VANGUARD GROUP INC
Rank #1
10.2%
- Shares
- 126.55M
- Change
- +1.32M
- Change %
- +106.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · TECHNOLOGY · Holders
Amphenol Corporation (APH) Institutional Ownership & Insider Trading History
Top APH institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 hr
Provider checked •
Source: Market data provider
Newsevery 15 min
Latest item •
Source: Market data provider
Ownership read
APH insider sentiment: Mixed, sale-heavy.
VANGUARD GROUP INC is the largest institutional holder. 66 sales and 54 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
APH
Purchases4.60M
Sales6.70M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
126.55M
VANGUARD GROUP INC
Insider stance
Mixed, sale-heavy
$403.08M sold / $80.40M bought
Latest filing
May 22, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- May 22, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 64
- 56 decreased
- Insider rows
- 120
- Market data source
Top 120 institutional holders
Amphenol Corporation (APH) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
BLACKROCK
Rank #2
8.25%
- Shares
- 101.97M
- Change
- -4.17M
- Change %
- -3.93%
- Filing
- Mar 31, 2026
Decreased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
6.47%
- Shares
- 79.88M
- Change
- +79.88M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
FMR LLC
Rank #4
6.43%
- Shares
- 79.48M
- Change
- -6.94M
- Change %
- -8.03%
- Filing
- Mar 31, 2026
Decreased
STATE STREET CORP
Rank #5
4.65%
- Shares
- 57.40M
- Change
- +482.82K
- Change %
- +85.00%
- Filing
- Mar 31, 2026
Increased
JPMORGAN CHASE & CO
Rank #6
3.99%
- Shares
- 49.27M
- Change
- +14.95M
- Change %
- +43.54%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #7
2.90%
- Shares
- 35.85M
- Change
- +35.85M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
CAPITAL INTERNATIONAL INVESTORS
Rank #8
2.86%
- Shares
- 35.33M
- Change
- +11.65M
- Change %
- +49.21%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #9
2.53%
- Shares
- 31.30M
- Change
- +977.32K
- Change %
- +3.22%
- Filing
- Mar 31, 2026
Increased
CAPITAL RESEARCH GLOBAL INVESTORS
Rank #10
2.16%
- Shares
- 26.63M
- Change
- +10.17M
- Change %
- +61.82%
- Filing
- Mar 31, 2026
Increased
PRICE T ROWE ASSOCIATES INC
Rank #11
2.12%
- Shares
- 26.19M
- Change
- -11.74M
- Change %
- -30.95%
- Filing
- Mar 31, 2026
Decreased
NORGES BANK
Rank #12
1.83%
- Shares
- 22.59M
- Change
- +1.28M
- Change %
- +5.99%
- Filing
- Dec 31, 2025
Increased
BANK OF AMERICA CORP
Rank #13
1.67%
- Shares
- 20.68M
- Change
- -1.28M
- Change %
- -5.84%
- Filing
- Mar 31, 2026
Decreased
MORGAN STANLEY
Rank #14
1.42%
- Shares
- 17.51M
- Change
- -673.50K
- Change %
- -3.70%
- Filing
- Mar 31, 2026
Decreased
BANK OF NEW YORK MELLON CORP
Rank #15
1.32%
- Shares
- 16.31M
- Change
- -1.40M
- Change %
- -7.89%
- Filing
- Mar 31, 2026
Decreased
WELLINGTON MANAGEMENT GROUP LLP
Rank #16
1.21%
- Shares
- 15.00M
- Change
- +2.58M
- Change %
- +20.79%
- Filing
- Mar 31, 2026
Increased
MASSACHUSETTS FINANCIAL SERVICES CO
Rank #17
1.13%
- Shares
- 13.96M
- Change
- -1.95M
- Change %
- -12.24%
- Filing
- Mar 31, 2026
Decreased
NORTHERN TRUST CORP
Rank #18
1.09%
- Shares
- 13.47M
- Change
- -40.73K
- Change %
- -30.00%
- Filing
- Mar 31, 2026
Decreased
NUVEEN
Rank #19
1.06%
- Shares
- 13.12M
- Change
- +5.32M
- Change %
- +68.24%
- Filing
- Mar 31, 2026
Increased
ARROWSTREET CAPITAL
Rank #20
0.96%
- Shares
- 11.88M
- Change
- +26.17K
- Change %
- +22.00%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #21
0.95%
- Shares
- 11.78M
- Change
- +2.83M
- Change %
- +31.58%
- Filing
- Mar 31, 2026
Increased
GOLDMAN SACHS GROUP INC
Rank #22
0.92%
- Shares
- 11.41M
- Change
- +2.87M
- Change %
- +33.55%
- Filing
- Mar 31, 2026
Increased
JENNISON ASSOCIATES LLC
Rank #23
0.83%
- Shares
- 10.24M
- Change
- -18.86K
- Change %
- -18.00%
- Filing
- Mar 31, 2026
Decreased
ROYAL BANK OF CANADA
Rank #24
0.79%
- Shares
- 9.77M
- Change
- -869.66K
- Change %
- -8.18%
- Filing
- Mar 31, 2026
Decreased
JANUS HENDERSON GROUP PLC
Rank #25
0.77%
- Shares
- 9.46M
- Change
- -446.14K
- Change %
- -4.50%
- Filing
- Mar 31, 2026
Decreased
FRANKLIN RESOURCES INC
Rank #26
0.75%
- Shares
- 9.31M
- Change
- -2.16M
- Change %
- -18.80%
- Filing
- Mar 31, 2026
Decreased
UBS AM
Rank #27
0.75%
- Shares
- 9.29M
- Change
- +912.45K
- Change %
- +10.89%
- Filing
- Mar 31, 2026
Increased
LEGAL & GENERAL GROUP PLC
Rank #28
0.66%
- Shares
- 8.11M
- Change
- -200.17K
- Change %
- -2.41%
- Filing
- Mar 31, 2026
Decreased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #29
0.60%
- Shares
- 7.39M
- Change
- +152.10K
- Change %
- +2.10%
- Filing
- Mar 31, 2026
Increased
VANGUARD FIDUCIARY TRUST CO
Rank #30
0.57%
- Shares
- 7.09M
- Change
- +7.09M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
WELLS FARGO & COMPANY
Rank #31
0.57%
- Shares
- 7.07M
- Change
- +376.64K
- Change %
- +5.63%
- Filing
- Mar 31, 2026
Increased
VICTORY CAPITAL MANAGEMENT INC
Rank #32
0.52%
- Shares
- 6.44M
- Change
- -2.02M
- Change %
- -23.88%
- Filing
- Mar 31, 2026
Decreased
DEUTSCHE BANK AG\
Rank #33
0.52%
- Shares
- 6.41M
- Change
- -89.88K
- Change %
- -138.00%
- Filing
- Mar 31, 2026
Decreased
AMUNDI
Rank #34
0.52%
- Shares
- 6.38M
- Change
- +604.26K
- Change %
- +10.46%
- Filing
- Mar 31, 2026
Increased
UBS GROUP AG
Rank #35
0.51%
- Shares
- 6.30M
- Change
- +1.72M
- Change %
- +37.66%
- Filing
- Mar 31, 2026
Increased
NEUBERGER BERMAN GROUP LLC
Rank #36
0.48%
- Shares
- 5.91M
- Change
- -790.55K
- Change %
- -11.80%
- Filing
- Mar 31, 2026
Decreased
AQR CAPITAL MANAGEMENT LLC
Rank #37
0.46%
- Shares
- 5.65M
- Change
- +2.06M
- Change %
- +57.46%
- Filing
- Mar 31, 2026
Increased
FLOSSBACH VON STORCH SE
Rank #38
0.45%
- Shares
- 5.57M
- Change
- -1.71M
- Change %
- -23.52%
- Filing
- Mar 31, 2026
Decreased
AMERICAN CENTURY COMPANIES INC
Rank #39
0.43%
- Shares
- 5.31M
- Change
- -525.32K
- Change %
- -9.01%
- Filing
- Mar 31, 2026
Decreased
ENVESTNET ASSET MANAGEMENT INC
Rank #40
0.42%
- Shares
- 5.23M
- Change
- -213.65K
- Change %
- -3.92%
- Filing
- Mar 31, 2026
Decreased
BARCLAYS PLC
Rank #41
0.41%
- Shares
- 5.03M
- Change
- -79.02K
- Change %
- -1.55%
- Filing
- Mar 31, 2026
Decreased
VOYA INVESTMENT MANAGEMENT LLC
Rank #42
0.38%
- Shares
- 4.70M
- Change
- -936.00K
- Change %
- -16.60%
- Filing
- Mar 31, 2026
Decreased
ALKEON CAPITAL MANAGEMENT LLC
Rank #43
0.37%
- Shares
- 4.62M
- Change
- +873.35K
- Change %
- +23.32%
- Filing
- Mar 31, 2026
Increased
EDGEWOOD MANAGEMENT LLC
Rank #44
0.37%
- Shares
- 4.60M
- Change
- +1.48M
- Change %
- +47.51%
- Filing
- Mar 31, 2026
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #45
0.35%
- Shares
- 4.33M
- Change
- +813.75K
- Change %
- +23.16%
- Filing
- Mar 31, 2026
Increased
AXIOM INVESTORS LLC
Rank #46
0.35%
- Shares
- 4.27M
- Change
- +272.97K
- Change %
- +6.83%
- Filing
- Mar 31, 2026
Increased
SG AMERICAS SECURITIES
Rank #47
0.34%
- Shares
- 4.16M
- Change
- +3.10M
- Change %
- +294.30%
- Filing
- Mar 31, 2026
Increased
SUMITOMO MITSUI TRUST GROUP
Rank #48
0.33%
- Shares
- 4.14M
- Change
- -930.00K
- Change %
- -18.36%
- Filing
- Mar 31, 2026
Decreased
ALLIANCEBERNSTEIN L.P.
Rank #49
0.33%
- Shares
- 4.07M
- Change
- -1.10M
- Change %
- -21.25%
- Filing
- Mar 31, 2026
Decreased
MAWER INVESTMENT MANAGEMENT LTD.
Rank #50
0.32%
- Shares
- 3.99M
- Change
- -1.10M
- Change %
- -21.61%
- Filing
- Mar 31, 2026
Decreased
STIFEL FINANCIAL CORP
Rank #51
0.30%
- Shares
- 3.71M
- Change
- +56.05K
- Change %
- +1.53%
- Filing
- Mar 31, 2026
Increased
TD ASSET MANAGEMENT INC
Rank #52
0.29%
- Shares
- 3.61M
- Change
- -479.81K
- Change %
- -11.73%
- Filing
- Mar 31, 2026
Decreased
SWISS NATIONAL BANK
Rank #53
0.29%
- Shares
- 3.59M
- Change
- +246.60K
- Change %
- +7.37%
- Filing
- Mar 31, 2026
Increased
DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK
Rank #54
0.28%
- Shares
- 3.51M
- Change
- +3.08M
- Change %
- +715.04%
- Filing
- Mar 31, 2026
Increased
NATIONAL PENSION SERVICE
Rank #55
0.27%
- Shares
- 3.32M
- Change
- +83.78K
- Change %
- +2.58%
- Filing
- Mar 31, 2026
Increased
SWEDBANK AB
Rank #56
0.26%
- Shares
- 3.24M
- Change
- -934.04K
- Change %
- -22.38%
- Filing
- Mar 31, 2026
Decreased
LAZARD ASSET MANAGEMENT LLC
Rank #57
0.26%
- Shares
- 3.18M
- Change
- -574.09K
- Change %
- -15.30%
- Filing
- Mar 31, 2026
Decreased
ALECTA TJANSTEPENSION OMSESIDIGT
Rank #58
0.26%
- Shares
- 3.17M
- Change
- -3.52M
- Change %
- -52.54%
- Filing
- Mar 31, 2026
Decreased
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM
Rank #59
0.25%
- Shares
- 3.12M
- Change
- -1.02M
- Change %
- -24.61%
- Filing
- Mar 31, 2026
Decreased
RAYMOND JAMES FINANCIAL INC
Rank #60
0.25%
- Shares
- 3.10M
- Change
- +135.66K
- Change %
- +4.57%
- Filing
- Mar 31, 2026
Increased
RATHBONES GROUP PLC
Rank #61
0.25%
- Shares
- 3.08M
- Change
- +244.11K
- Change %
- +8.60%
- Filing
- Mar 31, 2026
Increased
NATIXIS ADVISORS
Rank #62
0.25%
- Shares
- 3.05M
- Change
- +33.92K
- Change %
- +112.00%
- Filing
- Mar 31, 2026
Increased
PRINCIPAL FINANCIAL GROUP INC
Rank #63
0.23%
- Shares
- 2.90M
- Change
- +145.85K
- Change %
- +5.30%
- Filing
- Mar 31, 2026
Increased
EGERTON CAPITAL
Rank #64
0.23%
- Shares
- 2.87M
- Change
- -836.56K
- Change %
- -22.56%
- Filing
- Mar 31, 2026
Decreased
MITSUBISHI UFJ ASSET MANAGEMENT CO.
Rank #65
0.23%
- Shares
- 2.85M
- Change
- +215.19K
- Change %
- +8.17%
- Filing
- Mar 31, 2026
Increased
ALYESKA INVESTMENT GROUP
Rank #66
0.23%
- Shares
- 2.84M
- Change
- +984.86K
- Change %
- +53.18%
- Filing
- Mar 31, 2026
Increased
CIBC PRIVATE WEALTH GROUP LLC
Rank #67
0.23%
- Shares
- 2.83M
- Change
- -64.57K
- Change %
- -2.23%
- Filing
- Dec 31, 2025
Decreased
JONES FINANCIAL COMPANIES LLLP
Rank #68
0.23%
- Shares
- 2.79M
- Change
- +2.42M
- Change %
- +667.09%
- Filing
- Mar 31, 2026
Increased
CANADA PENSION PLAN INVESTMENT BOARD
Rank #69
0.22%
- Shares
- 2.71M
- Change
- +1.15M
- Change %
- +73.34%
- Filing
- Mar 31, 2026
Increased
VANGUARD GLOBAL ADVISERS
Rank #70
0.22%
- Shares
- 2.69M
- Change
- +2.69M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
ALLIANZ ASSET MANAGEMENT GMBH
Rank #71
0.22%
- Shares
- 2.66M
- Change
- -123.38K
- Change %
- -4.43%
- Filing
- Mar 31, 2026
Decreased
QUBE RESEARCH & TECHNOLOGIES LTD
Rank #72
0.21%
- Shares
- 2.55M
- Change
- +1.94M
- Change %
- +316.70%
- Filing
- Mar 31, 2026
Increased
BLAIR WILLIAM & CO
Rank #73
0.20%
- Shares
- 2.52M
- Change
- -133.57K
- Change %
- -5.03%
- Filing
- Mar 31, 2026
Decreased
HSBC HOLDINGS PLC
Rank #74
0.19%
- Shares
- 2.34M
- Change
- +36.73K
- Change %
- +1.59%
- Filing
- Mar 31, 2026
Increased
MARSHALL WACE
Rank #75
0.19%
- Shares
- 2.34M
- Change
- +1.85M
- Change %
- +375.46%
- Filing
- Mar 31, 2026
Increased
WORLDQUANT MILLENNIUM ADVISORS LLC
Rank #76
0.19%
- Shares
- 2.33M
- Change
- +650.09K
- Change %
- +38.75%
- Filing
- Mar 31, 2026
Increased
MILLENNIUM MANAGEMENT LLC
Rank #77
0.19%
- Shares
- 2.32M
- Change
- +998.49K
- Change %
- +75.51%
- Filing
- Mar 31, 2026
Increased
RHUMBLINE ADVISERS
Rank #78
0.19%
- Shares
- 2.32M
- Change
- -22.41K
- Change %
- -96.00%
- Filing
- Mar 31, 2026
Decreased
CIBC BANCORP USA INC.
Rank #79
0.18%
- Shares
- 2.17M
- Change
- +2.00M
- Change %
- +1190.15%
- Filing
- Mar 31, 2026
Increased
VANGUARD ASSET MANAGEMENT
Rank #80
0.16%
- Shares
- 1.96M
- Change
- +1.96M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
LOCAL PENSIONS PARTNERSHIP INVESTMENT LTD
Rank #81
0.16%
- Shares
- 1.95M
- Change
- -292.90K
- Change %
- -13.05%
- Filing
- Mar 31, 2026
Decreased
LOS ANGELES CAPITAL MANAGEMENT LLC
Rank #82
0.16%
- Shares
- 1.95M
- Change
- -273.44K
- Change %
- -12.30%
- Filing
- Mar 31, 2026
Decreased
AMERIPRISE FINANCIAL INC
Rank #83
0.16%
- Shares
- 1.93M
- Change
- +140.04K
- Change %
- +7.83%
- Filing
- Mar 31, 2026
Increased
MAN GROUP PLC
Rank #84
0.16%
- Shares
- 1.93M
- Change
- +46.33K
- Change %
- +2.46%
- Filing
- Mar 31, 2026
Increased
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
Rank #85
0.15%
- Shares
- 1.88M
- Change
- -42.33K
- Change %
- -2.21%
- Filing
- Mar 31, 2026
Decreased
ALLSPRING GLOBAL INVESTMENTS HOLDINGS
Rank #86
0.15%
- Shares
- 1.87M
- Change
- +156.77K
- Change %
- +9.16%
- Filing
- Mar 31, 2026
Increased
BANK OF MONTREAL
Rank #87
0.15%
- Shares
- 1.86M
- Change
- -177.49K
- Change %
- -8.70%
- Filing
- Mar 31, 2026
Decreased
ADAGE CAPITAL PARTNERS GP
Rank #88
0.14%
- Shares
- 1.78M
- Change
- +692.27K
- Change %
- +63.36%
- Filing
- Mar 31, 2026
Increased
VONTOBEL HOLDING LTD.
Rank #89
0.14%
- Shares
- 1.78M
- Change
- -722.00K
- Change %
- -28.82%
- Filing
- Mar 31, 2026
Decreased
USS INVESTMENT MANAGEMENT LTD
Rank #90
0.14%
- Shares
- 1.74M
- Change
- +249.16K
- Change %
- +16.72%
- Filing
- Mar 31, 2026
Increased
BANK JULIUS BAER & CO. LTD
Rank #91
0.14%
- Shares
- 1.69M
- Change
- +606.15K
- Change %
- +55.90%
- Filing
- Mar 31, 2026
Increased
FIRST TRUST ADVISORS LP
Rank #92
0.14%
- Shares
- 1.69M
- Change
- +501.00K
- Change %
- +42.15%
- Filing
- Mar 31, 2026
Increased
BAMCO INC
Rank #93
0.13%
- Shares
- 1.66M
- Change
- -51.05K
- Change %
- -2.98%
- Filing
- Mar 31, 2026
Decreased
RUSSELL INVESTMENTS GROUP
Rank #94
0.13%
- Shares
- 1.60M
- Change
- +177.03K
- Change %
- +12.40%
- Filing
- Mar 31, 2026
Increased
SCHRODER INVESTMENT MANAGEMENT GROUP
Rank #95
0.13%
- Shares
- 1.60M
- Change
- -111.28K
- Change %
- -6.52%
- Filing
- Mar 31, 2026
Decreased
NAVERA INVESTMENT MANAGEMENT LTD.
Rank #96
0.13%
- Shares
- 1.59M
- Change
- -71.34K
- Change %
- -4.28%
- Filing
- Mar 31, 2026
Decreased
WEALTH ENHANCEMENT ADVISORY SERVICES
Rank #97
0.13%
- Shares
- 1.56M
- Change
- +1.30M
- Change %
- +500.67%
- Filing
- Mar 31, 2026
Increased
CAPITAL WORLD INVESTORS
Rank #98
0.13%
- Shares
- 1.55M
- Change
- +1.55M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
FENIMORE ASSET MANAGEMENT INC
Rank #99
0.13%
- Shares
- 1.55M
- Change
- -115.22K
- Change %
- -6.92%
- Filing
- Mar 31, 2026
Decreased
LORD
Rank #100
0.12%
- Shares
- 1.54M
- Change
- -84.09K
- Change %
- -5.18%
- Filing
- Mar 31, 2026
Decreased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.2% | 126.55M | +1.32M Increased | +106.00% | Dec 31, 2025 | |
| 2 | 8.25% | 101.97M | -4.17M Decreased | -3.93% | Mar 31, 2026 | |
| 3 | 6.47% | 79.88M | +79.88M Initiated | — | Mar 31, 2026 | |
| 4 | 6.43% | 79.48M | -6.94M Decreased | -8.03% | Mar 31, 2026 | |
| 5 | 4.65% | 57.40M | +482.82K Increased | +85.00% | Mar 31, 2026 | |
| 6 | 3.99% | 49.27M | +14.95M Increased | +43.54% | Mar 31, 2026 | |
| 7 | 2.90% | 35.85M | +35.85M Initiated | — | Mar 31, 2026 | |
| 8 | CAPITAL INTERNATIONAL INVESTORS | 2.86% | 35.33M | +11.65M Increased | +49.21% | Mar 31, 2026 |
| 9 | 2.53% | 31.30M | +977.32K Increased | +3.22% | Mar 31, 2026 | |
| 10 | 2.16% | 26.63M | +10.17M Increased | +61.82% | Mar 31, 2026 | |
| 11 | 2.12% | 26.19M | -11.74M Decreased | -30.95% | Mar 31, 2026 | |
| 12 | 1.83% | 22.59M | +1.28M Increased | +5.99% | Dec 31, 2025 | |
| 13 | 1.67% | 20.68M | -1.28M Decreased | -5.84% | Mar 31, 2026 | |
| 14 | 1.42% | 17.51M | -673.50K Decreased | -3.70% | Mar 31, 2026 | |
| 15 | BANK OF NEW YORK MELLON CORP | 1.32% | 16.31M | -1.40M Decreased | -7.89% | Mar 31, 2026 |
| 16 | 1.21% | 15.00M | +2.58M Increased | +20.79% | Mar 31, 2026 | |
| 17 | MASSACHUSETTS FINANCIAL SERVICES CO | 1.13% | 13.96M | -1.95M Decreased | -12.24% | Mar 31, 2026 |
| 18 | 1.09% | 13.47M | -40.73K Decreased | -30.00% | Mar 31, 2026 | |
| 19 | NUVEEN | 1.06% | 13.12M | +5.32M Increased | +68.24% | Mar 31, 2026 |
| 20 | ARROWSTREET CAPITAL | 0.96% | 11.88M | +26.17K Increased | +22.00% | Mar 31, 2026 |
| 21 | 0.95% | 11.78M | +2.83M Increased | +31.58% | Mar 31, 2026 | |
| 22 | 0.92% | 11.41M | +2.87M Increased | +33.55% | Mar 31, 2026 | |
| 23 | 0.83% | 10.24M | -18.86K Decreased | -18.00% | Mar 31, 2026 | |
| 24 | ROYAL BANK OF CANADA | 0.79% | 9.77M | -869.66K Decreased | -8.18% | Mar 31, 2026 |
| 25 | JANUS HENDERSON GROUP PLC | 0.77% | 9.46M | -446.14K Decreased | -4.50% | Mar 31, 2026 |
| 26 | 0.75% | 9.31M | -2.16M Decreased | -18.80% | Mar 31, 2026 | |
| 27 | 0.75% | 9.29M | +912.45K Increased | +10.89% | Mar 31, 2026 | |
| 28 | 0.66% | 8.11M | -200.17K Decreased | -2.41% | Mar 31, 2026 | |
| 29 | 0.60% | 7.39M | +152.10K Increased | +2.10% | Mar 31, 2026 | |
| 30 | 0.57% | 7.09M | +7.09M Initiated | — | Mar 31, 2026 | |
| 31 | WELLS FARGO & COMPANY | 0.57% | 7.07M | +376.64K Increased | +5.63% | Mar 31, 2026 |
| 32 | VICTORY CAPITAL MANAGEMENT INC | 0.52% | 6.44M | -2.02M Decreased | -23.88% | Mar 31, 2026 |
| 33 | DEUTSCHE BANK AG\ | 0.52% | 6.41M | -89.88K Decreased | -138.00% | Mar 31, 2026 |
| 34 | 0.52% | 6.38M | +604.26K Increased | +10.46% | Mar 31, 2026 | |
| 35 | 0.51% | 6.30M | +1.72M Increased | +37.66% | Mar 31, 2026 | |
| 36 | NEUBERGER BERMAN GROUP LLC | 0.48% | 5.91M | -790.55K Decreased | -11.80% | Mar 31, 2026 |
| 37 | AQR CAPITAL MANAGEMENT LLC | 0.46% | 5.65M | +2.06M Increased | +57.46% | Mar 31, 2026 |
| 38 | FLOSSBACH VON STORCH SE | 0.45% | 5.57M | -1.71M Decreased | -23.52% | Mar 31, 2026 |
| 39 | AMERICAN CENTURY COMPANIES INC | 0.43% | 5.31M | -525.32K Decreased | -9.01% | Mar 31, 2026 |
| 40 | ENVESTNET ASSET MANAGEMENT INC | 0.42% | 5.23M | -213.65K Decreased | -3.92% | Mar 31, 2026 |
| 41 | BARCLAYS PLC | 0.41% | 5.03M | -79.02K Decreased | -1.55% | Mar 31, 2026 |
| 42 | VOYA INVESTMENT MANAGEMENT LLC | 0.38% | 4.70M | -936.00K Decreased | -16.60% | Mar 31, 2026 |
| 43 | ALKEON CAPITAL MANAGEMENT LLC | 0.37% | 4.62M | +873.35K Increased | +23.32% | Mar 31, 2026 |
| 44 | EDGEWOOD MANAGEMENT LLC | 0.37% | 4.60M | +1.48M Increased | +47.51% | Mar 31, 2026 |
| 45 | 0.35% | 4.33M | +813.75K Increased | +23.16% | Mar 31, 2026 | |
| 46 | AXIOM INVESTORS LLC | 0.35% | 4.27M | +272.97K Increased | +6.83% | Mar 31, 2026 |
| 47 | SG AMERICAS SECURITIES | 0.34% | 4.16M | +3.10M Increased | +294.30% | Mar 31, 2026 |
| 48 | SUMITOMO MITSUI TRUST GROUP | 0.33% | 4.14M | -930.00K Decreased | -18.36% | Mar 31, 2026 |
| 49 | 0.33% | 4.07M | -1.10M Decreased | -21.25% | Mar 31, 2026 | |
| 50 | MAWER INVESTMENT MANAGEMENT LTD. | 0.32% | 3.99M | -1.10M Decreased | -21.61% | Mar 31, 2026 |
| 51 | STIFEL FINANCIAL CORP | 0.30% | 3.71M | +56.05K Increased | +1.53% | Mar 31, 2026 |
| 52 | TD ASSET MANAGEMENT INC | 0.29% | 3.61M | -479.81K Decreased | -11.73% | Mar 31, 2026 |
| 53 | SWISS NATIONAL BANK | 0.29% | 3.59M | +246.60K Increased | +7.37% | Mar 31, 2026 |
| 54 | DZ BANK AG DEUTSCHE ZENTRAL GENOSSENSCHAFTS BANK | 0.28% | 3.51M | +3.08M Increased | +715.04% | Mar 31, 2026 |
| 55 | NATIONAL PENSION SERVICE | 0.27% | 3.32M | +83.78K Increased | +2.58% | Mar 31, 2026 |
| 56 | SWEDBANK AB | 0.26% | 3.24M | -934.04K Decreased | -22.38% | Mar 31, 2026 |
| 57 | LAZARD ASSET MANAGEMENT LLC | 0.26% | 3.18M | -574.09K Decreased | -15.30% | Mar 31, 2026 |
| 58 | ALECTA TJANSTEPENSION OMSESIDIGT | 0.26% | 3.17M | -3.52M Decreased | -52.54% | Mar 31, 2026 |
| 59 | CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 0.25% | 3.12M | -1.02M Decreased | -24.61% | Mar 31, 2026 |
| 60 | RAYMOND JAMES FINANCIAL INC | 0.25% | 3.10M | +135.66K Increased | +4.57% | Mar 31, 2026 |
| 61 | RATHBONES GROUP PLC | 0.25% | 3.08M | +244.11K Increased | +8.60% | Mar 31, 2026 |
| 62 | NATIXIS ADVISORS | 0.25% | 3.05M | +33.92K Increased | +112.00% | Mar 31, 2026 |
| 63 | PRINCIPAL FINANCIAL GROUP INC | 0.23% | 2.90M | +145.85K Increased | +5.30% | Mar 31, 2026 |
| 64 | EGERTON CAPITAL | 0.23% | 2.87M | -836.56K Decreased | -22.56% | Mar 31, 2026 |
| 65 | MITSUBISHI UFJ ASSET MANAGEMENT CO. | 0.23% | 2.85M | +215.19K Increased | +8.17% | Mar 31, 2026 |
| 66 | ALYESKA INVESTMENT GROUP | 0.23% | 2.84M | +984.86K Increased | +53.18% | Mar 31, 2026 |
| 67 | CIBC PRIVATE WEALTH GROUP LLC | 0.23% | 2.83M | -64.57K Decreased | -2.23% | Dec 31, 2025 |
| 68 | JONES FINANCIAL COMPANIES LLLP | 0.23% | 2.79M | +2.42M Increased | +667.09% | Mar 31, 2026 |
| 69 | CANADA PENSION PLAN INVESTMENT BOARD | 0.22% | 2.71M | +1.15M Increased | +73.34% | Mar 31, 2026 |
| 70 | 0.22% | 2.69M | +2.69M Initiated | — | Mar 31, 2026 | |
| 71 | ALLIANZ ASSET MANAGEMENT GMBH | 0.22% | 2.66M | -123.38K Decreased | -4.43% | Mar 31, 2026 |
| 72 | QUBE RESEARCH & TECHNOLOGIES LTD | 0.21% | 2.55M | +1.94M Increased | +316.70% | Mar 31, 2026 |
| 73 | BLAIR WILLIAM & CO | 0.20% | 2.52M | -133.57K Decreased | -5.03% | Mar 31, 2026 |
| 74 | HSBC HOLDINGS PLC | 0.19% | 2.34M | +36.73K Increased | +1.59% | Mar 31, 2026 |
| 75 | MARSHALL WACE | 0.19% | 2.34M | +1.85M Increased | +375.46% | Mar 31, 2026 |
| 76 | WORLDQUANT MILLENNIUM ADVISORS LLC | 0.19% | 2.33M | +650.09K Increased | +38.75% | Mar 31, 2026 |
| 77 | MILLENNIUM MANAGEMENT LLC | 0.19% | 2.32M | +998.49K Increased | +75.51% | Mar 31, 2026 |
| 78 | RHUMBLINE ADVISERS | 0.19% | 2.32M | -22.41K Decreased | -96.00% | Mar 31, 2026 |
| 79 | CIBC BANCORP USA INC. | 0.18% | 2.17M | +2.00M Increased | +1190.15% | Mar 31, 2026 |
| 80 | 0.16% | 1.96M | +1.96M Initiated | — | Mar 31, 2026 | |
| 81 | LOCAL PENSIONS PARTNERSHIP INVESTMENT LTD | 0.16% | 1.95M | -292.90K Decreased | -13.05% | Mar 31, 2026 |
| 82 | LOS ANGELES CAPITAL MANAGEMENT LLC | 0.16% | 1.95M | -273.44K Decreased | -12.30% | Mar 31, 2026 |
| 83 | AMERIPRISE FINANCIAL INC | 0.16% | 1.93M | +140.04K Increased | +7.83% | Mar 31, 2026 |
| 84 | MAN GROUP PLC | 0.16% | 1.93M | +46.33K Increased | +2.46% | Mar 31, 2026 |
| 85 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 0.15% | 1.88M | -42.33K Decreased | -2.21% | Mar 31, 2026 |
| 86 | ALLSPRING GLOBAL INVESTMENTS HOLDINGS | 0.15% | 1.87M | +156.77K Increased | +9.16% | Mar 31, 2026 |
| 87 | BANK OF MONTREAL | 0.15% | 1.86M | -177.49K Decreased | -8.70% | Mar 31, 2026 |
| 88 | ADAGE CAPITAL PARTNERS GP | 0.14% | 1.78M | +692.27K Increased | +63.36% | Mar 31, 2026 |
| 89 | VONTOBEL HOLDING LTD. | 0.14% | 1.78M | -722.00K Decreased | -28.82% | Mar 31, 2026 |
| 90 | USS INVESTMENT MANAGEMENT LTD | 0.14% | 1.74M | +249.16K Increased | +16.72% | Mar 31, 2026 |
| 91 | BANK JULIUS BAER & CO. LTD | 0.14% | 1.69M | +606.15K Increased | +55.90% | Mar 31, 2026 |
| 92 | FIRST TRUST ADVISORS LP | 0.14% | 1.69M | +501.00K Increased | +42.15% | Mar 31, 2026 |
| 93 | BAMCO INC | 0.13% | 1.66M | -51.05K Decreased | -2.98% | Mar 31, 2026 |
| 94 | RUSSELL INVESTMENTS GROUP | 0.13% | 1.60M | +177.03K Increased | +12.40% | Mar 31, 2026 |
| 95 | SCHRODER INVESTMENT MANAGEMENT GROUP | 0.13% | 1.60M | -111.28K Decreased | -6.52% | Mar 31, 2026 |
| 96 | NAVERA INVESTMENT MANAGEMENT LTD. | 0.13% | 1.59M | -71.34K Decreased | -4.28% | Mar 31, 2026 |
| 97 | WEALTH ENHANCEMENT ADVISORY SERVICES | 0.13% | 1.56M | +1.30M Increased | +500.67% | Mar 31, 2026 |
| 98 | 0.13% | 1.55M | +1.55M Initiated | — | Mar 31, 2026 | |
| 99 | FENIMORE ASSET MANAGEMENT INC | 0.13% | 1.55M | -115.22K Decreased | -6.92% | Mar 31, 2026 |
| 100 | LORD | 0.12% | 1.54M | -84.09K Decreased | -5.18% | Mar 31, 2026 |
Showing 100 of 120 matching institutional rows.Load more institutions
Recent insider transactions
Amphenol Corporation (APH) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
WALTER, LUC
President, HES Division
- Shares
- 108.81K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
LAMBA, SANJIV
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
LANE, RITA S.
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
LIVINGSTON, ROBERT
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
FALCK, DAVID P
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
ALTOBELLO, NANCY A.
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
SINGH, PRAHLAD R.
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
WOLFF, ANNE CLARKE
Director
- Shares
- 1.55K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
D'AMICO, LANCE E
EVP, Secretary & GenCounsel
- Shares
- 83.02K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
DOHERTY, WILLIAM J
President, CS Division
- Shares
- 108.81K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
IVAS, MICHAEL R.
SVP & Corporate Controller
- Shares
- 51.13K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
LAMPO, CRAIG A
Executive VP & CFO
- Shares
- 133.16K
- % company
- 0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 22, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | WALTER, LUC President, HES Division | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 108.81K | Not reported | Not reported | May 22, 2026 |
| 2 | LAMBA, SANJIV Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 3 | LANE, RITA S. Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 4 | LIVINGSTON, ROBERT Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 5 | FALCK, DAVID P Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 6 | ALTOBELLO, NANCY A. Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 7 | SINGH, PRAHLAD R. Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 8 | WOLFF, ANNE CLARKE Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.55K | Not reported | Not reported | May 22, 2026 |
| 9 | D'AMICO, LANCE E EVP, Secretary & GenCounsel | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 83.02K | Not reported | Not reported | May 22, 2026 |
| 10 | DOHERTY, WILLIAM J President, CS Division | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 108.81K | Not reported | Not reported | May 22, 2026 |
| 11 | IVAS, MICHAEL R. SVP & Corporate Controller | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 51.13K | Not reported | Not reported | May 22, 2026 |
| 12 | LAMPO, CRAIG A Executive VP & CFO | 0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 133.16K | Not reported | Not reported | May 22, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest APH shareholders?
VANGUARD GROUP INC is the largest institutional holder of APH, with 126.55 million shares, or about 10.24% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of APH?
Amphenol Corporation (APH) has 120 institutional holders on file — 64 that increased or initiated positions and 56 that reduced them, as of the latest filing on Mar 31, 2026.
Where can I see Amphenol Corporation insider transactions?
Amphenol Corporation (APH) has 120 Form 4 insider transactions on file, most recently on May 22, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are APH insiders buying or selling?
Recent APH insider activity reads Mixed, sale-heavy: 66 sales and 54 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active APH insider?
NORWITT, RICHARD ADAM is the most active APH insider by absolute share movement, with 2.98 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.