VANGUARD GROUP INC
Rank #1
11.5%
- Shares
- 99.28M
- Change
- +580.68K
- Change %
- +59.00%
- Filing
- Dec 31, 2025
Increased
Recent
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Top GLW institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 24, 4:04 PM EDT · Statements Mar 30, 8:00 PM EDT
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.
Ownership read
VANGUARD GROUP INC is the largest institutional holder. 65 sales and 55 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
GLW
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
99.28M
VANGUARD GROUP INC
Insider stance
Mixed, sale-heavy
$147.48M sold / $6.96M bought
Latest filing
Jun 9, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
Top 120 institutional holders
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
VANGUARD GROUP INC
Rank #1
11.5%
Increased
BLACKROCK
Rank #2
7.76%
Increased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #3
5.87%
Initiated
STATE STREET CORP
Rank #4
4.22%
Decreased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #5
3.29%
Initiated
FMR LLC
Rank #6
2.90%
Increased
CAPITAL RESEARCH GLOBAL INVESTORS
Rank #7
2.54%
Increased
GEODE CAPITAL MANAGEMENT
Rank #8
2.44%
Increased
MORGAN STANLEY
Rank #9
1.82%
Increased
BANK OF AMERICA CORP
Rank #10
1.69%
Decreased
STATE FARM MUTUAL AUTOMOBILE INSURANCE CO
Rank #11
1.56%
Decreased
JPMORGAN CHASE & CO
Rank #12
1.38%
Increased
NORGES BANK
Rank #13
1.22%
Increased
WELLINGTON MANAGEMENT GROUP LLP
Rank #14
1.02%
Decreased
NORTHERN TRUST CORP
Rank #15
1.01%
Decreased
WCM INVESTMENT MANAGEMENT
Rank #16
0.94%
Decreased
GOLDMAN SACHS GROUP INC
Rank #17
0.93%
Increased
PRICE T ROWE ASSOCIATES INC
Rank #18
0.88%
Decreased
AMERIPRISE FINANCIAL INC
Rank #19
0.81%
Decreased
BANK OF NEW YORK MELLON CORP
Rank #20
0.72%
Decreased
UBS AM
Rank #21
0.64%
Increased
DEUTSCHE BANK AG\
Rank #22
0.58%
Increased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #23
0.58%
Increased
LEGAL & GENERAL GROUP PLC
Rank #24
0.57%
Decreased
VANGUARD FIDUCIARY TRUST CO
Rank #25
0.51%
Initiated
UBS GROUP AG
Rank #26
0.51%
Increased
INVESCO LTD.
Rank #27
0.51%
Decreased
DIMENSIONAL FUND ADVISORS LP
Rank #28
0.49%
Decreased
PRIMECAP MANAGEMENT CO
Rank #29
0.48%
Decreased
AMUNDI
Rank #30
0.46%
Decreased
LONDON CO OF VIRGINIA
Rank #31
0.44%
Decreased
LONE PINE CAPITAL LLC
Rank #32
0.43%
Initiated
MARINER
Rank #33
0.41%
Increased
POLAR CAPITAL HOLDINGS PLC
Rank #34
0.39%
Increased
VOYA INVESTMENT MANAGEMENT LLC
Rank #35
0.35%
Decreased
ANTHER CAPITAL LTD
Rank #36
0.35%
Initiated
JANE STREET GROUP
Rank #37
0.35%
Increased
ROYAL BANK OF CANADA
Rank #38
0.32%
Decreased
STIFEL FINANCIAL CORP
Rank #39
0.31%
Decreased
RAYMOND JAMES FINANCIAL INC
Rank #40
0.30%
Decreased
ASPEX MANAGEMENT
Rank #41
0.30%
Initiated
BARCLAYS PLC
Rank #42
0.29%
Increased
SWISS NATIONAL BANK
Rank #43
0.28%
Increased
ASSENAGON ASSET MANAGEMENT S.A.
Rank #44
0.28%
Increased
AGF MANAGEMENT LTD
Rank #45
0.27%
Increased
WHALE ROCK CAPITAL MANAGEMENT LLC
Rank #46
0.27%
Decreased
MASSACHUSETTS FINANCIAL SERVICES CO
Rank #47
0.26%
Decreased
NUVEEN
Rank #48
0.26%
Increased
NATIONAL PENSION SERVICE
Rank #49
0.26%
Decreased
ARROWSTREET CAPITAL
Rank #50
0.25%
Decreased
EVERGREEN QUALITY FUND GP
Rank #51
0.23%
Decreased
SG AMERICAS SECURITIES
Rank #52
0.23%
Increased
WT ASSET MANAGEMENT LTD
Rank #53
0.23%
Increased
WELLS FARGO & COMPANY
Rank #54
0.22%
Decreased
MARSHALL WACE
Rank #55
0.21%
Increased
MITSUBISHI UFJ ASSET MANAGEMENT CO.
Rank #56
0.21%
Increased
LPL FINANCIAL LLC
Rank #57
0.20%
Increased
SUMITOMO MITSUI TRUST GROUP
Rank #58
0.20%
Decreased
VANGUARD GLOBAL ADVISERS
Rank #59
0.20%
Initiated
TD ASSET MANAGEMENT INC
Rank #60
0.20%
Decreased
BNP PARIBAS FINANCIAL MARKETS
Rank #61
0.19%
Increased
AQR CAPITAL MANAGEMENT LLC
Rank #62
0.18%
Increased
HSBC HOLDINGS PLC
Rank #63
0.18%
Decreased
ALLIANCEBERNSTEIN L.P.
Rank #64
0.17%
Increased
CAPITAL WORLD INVESTORS
Rank #65
0.17%
Initiated
KBC GROUP NV
Rank #66
0.17%
Increased
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM
Rank #67
0.16%
Decreased
BOWEN HANES & CO INC
Rank #68
0.16%
Decreased
VANGUARD ASSET MANAGEMENT
Rank #69
0.16%
Initiated
BANK OF MONTREAL
Rank #70
0.16%
Decreased
MILLENNIUM MANAGEMENT LLC
Rank #71
0.15%
Decreased
RHUMBLINE ADVISERS
Rank #72
0.14%
Decreased
ENVESTNET ASSET MANAGEMENT INC
Rank #73
0.14%
Decreased
CITIGROUP INC
Rank #74
0.14%
Increased
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
Rank #75
0.13%
Decreased
APPALOOSA LP
Rank #76
0.13%
Decreased
KOREA INVESTMENT CORP
Rank #77
0.12%
Increased
XN LP
Rank #78
0.12%
Initiated
COOKSON PEIRCE & CO INC
Rank #79
0.11%
Decreased
CANADA PENSION PLAN INVESTMENT BOARD
Rank #80
0.11%
Decreased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 11.5% | 99.28M | +580.68K Increased | +59.00% | Dec 31, 2025 | |
| 2 | 7.76% | 66.71M | +3.13M Increased | +4.92% | Mar 31, 2026 | |
| 3 | 5.87% | 50.46M | +50.46M Initiated | — | Mar 31, 2026 | |
| 4 | 4.22% | 36.26M | -525.00K Decreased | -143.00% | Mar 31, 2026 | |
| 5 | 3.29% | 28.27M | +28.27M Initiated | — | Mar 31, 2026 | |
| 6 | 2.90% | 24.91M | +10.46M Increased | +72.38% | Mar 31, 2026 | |
| 7 | 2.54% | 21.85M | +4.96M Increased | +29.35% | Mar 31, 2026 | |
| 8 | 2.44% | 20.96M | +552.86K Increased | +2.71% | Mar 31, 2026 | |
| 9 | 1.82% | 15.67M | +460.37K Increased | +3.03% | Mar 31, 2026 | |
| 10 | 1.69% | 14.50M | -2.88M Decreased | -16.59% | Mar 31, 2026 | |
| 11 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 1.56% | 13.42M | -496.63K Decreased | -3.57% | Mar 31, 2026 |
| 12 | 1.38% | 11.87M | +101.88K Increased | +87.00% | Mar 31, 2026 | |
| 13 | 1.22% | 10.52M | +351.66K Increased | +3.46% | Dec 31, 2025 | |
| 14 | 1.02% | 8.73M | -3.84M Decreased | -30.58% | Mar 31, 2026 | |
| 15 | 1.01% | 8.70M | -452.89K Decreased | -4.95% | Mar 31, 2026 | |
| 16 | WCM INVESTMENT MANAGEMENT | 0.94% | 8.11M | -117.90K Decreased | -143.00% | Mar 31, 2026 |
| 17 | 0.93% | 7.97M | +2.14M Increased | +36.74% | Mar 31, 2026 | |
| 18 | 0.88% | 7.56M | -479.42K Decreased | -5.97% | Mar 31, 2026 | |
| 19 | AMERIPRISE FINANCIAL INC | 0.81% | 6.95M | -3.02M Decreased | -30.32% | Mar 31, 2026 |
| 20 | BANK OF NEW YORK MELLON CORP | 0.72% | 6.18M | -586.83K Decreased | -8.67% | Mar 31, 2026 |
| 21 | 0.64% | 5.53M | +419.68K Increased | +8.21% | Mar 31, 2026 | |
| 22 | DEUTSCHE BANK AG\ | 0.58% | 5.02M | +2.94M Increased | +141.17% | Mar 31, 2026 |
| 23 | 0.58% | 5.01M | +45.00K Increased | +91.00% | Mar 31, 2026 | |
| 24 | 0.57% | 4.89M | -197.12K Decreased | -3.88% | Mar 31, 2026 | |
| 25 | 0.51% | 4.39M | +4.39M Initiated | — | Mar 31, 2026 | |
| 26 | 0.51% | 4.38M | +455.46K Increased | +11.60% | Mar 31, 2026 | |
| 27 | 0.51% | 4.36M | -804.73K Decreased | -15.57% | Mar 31, 2026 | |
| 28 | 0.49% | 4.24M | -1.87M Decreased | -30.53% | Mar 31, 2026 | |
| 29 | PRIMECAP MANAGEMENT CO | 0.48% | 4.13M | -3.40K Decreased | -8.00% | Mar 31, 2026 |
| 30 | 0.46% | 3.96M | -696.93K Decreased | -14.97% | Mar 31, 2026 | |
| 31 | LONDON CO OF VIRGINIA | 0.44% | 3.80M | -2.03M Decreased | -34.82% | Mar 31, 2026 |
| 32 | LONE PINE CAPITAL LLC | 0.43% | 3.72M | +3.72M Initiated | — | Mar 31, 2026 |
| 33 | MARINER | 0.41% | 3.56M | +40.85K Increased | +116.00% | Mar 31, 2026 |
| 34 | POLAR CAPITAL HOLDINGS PLC | 0.39% | 3.33M | +1.05M Increased | +45.84% | Mar 31, 2026 |
| 35 | VOYA INVESTMENT MANAGEMENT LLC | 0.35% | 3.01M | -94.84K Decreased | -3.06% | Mar 31, 2026 |
| 36 | ANTHER CAPITAL LTD | 0.35% | 3.00M | +3.00M Initiated | — | Mar 31, 2026 |
| 37 | JANE STREET GROUP | 0.35% | 2.97M | +1.31M Increased | +78.85% | Mar 31, 2026 |
| 38 | ROYAL BANK OF CANADA | 0.32% | 2.74M | -851.65K Decreased | -23.70% | Mar 31, 2026 |
| 39 | STIFEL FINANCIAL CORP | 0.31% | 2.67M | -276.70K Decreased | -9.38% | Mar 31, 2026 |
| 40 | RAYMOND JAMES FINANCIAL INC | 0.30% | 2.62M | -1.02M Decreased | -27.97% | Mar 31, 2026 |
| 41 | ASPEX MANAGEMENT | 0.30% | 2.54M | +2.54M Initiated | — | Mar 31, 2026 |
| 42 | BARCLAYS PLC | 0.29% | 2.48M | +1.05M Increased | +73.73% | Mar 31, 2026 |
| 43 | SWISS NATIONAL BANK | 0.28% | 2.39M | +160.40K Increased | +7.19% | Mar 31, 2026 |
| 44 | ASSENAGON ASSET MANAGEMENT S.A. | 0.28% | 2.38M | +496.57K Increased | +26.39% | Mar 31, 2026 |
| 45 | AGF MANAGEMENT LTD | 0.27% | 2.35M | +126.95K Increased | +5.71% | Mar 31, 2026 |
| 46 | WHALE ROCK CAPITAL MANAGEMENT LLC | 0.27% | 2.30M | -372.36K Decreased | -13.95% | Mar 31, 2026 |
| 47 | MASSACHUSETTS FINANCIAL SERVICES CO | 0.26% | 2.28M | -1.25M Decreased | -35.48% | Mar 31, 2026 |
| 48 | NUVEEN | 0.26% | 2.22M | +55.88K Increased | +2.58% | Mar 31, 2026 |
| 49 | NATIONAL PENSION SERVICE | 0.26% | 2.19M | -95.83K Decreased | -4.19% | Mar 31, 2026 |
| 50 | ARROWSTREET CAPITAL | 0.25% | 2.16M | -2.40M Decreased | -52.64% | Mar 31, 2026 |
| 51 | EVERGREEN QUALITY FUND GP | 0.23% | 2.01M | -106.80K Decreased | -5.05% | Mar 31, 2026 |
| 52 | SG AMERICAS SECURITIES | 0.23% | 2.00M | +1.39M Increased | +223.97% | Mar 31, 2026 |
| 53 | WT ASSET MANAGEMENT LTD | 0.23% | 1.98M | +995.95K Increased | +101.41% | Mar 31, 2026 |
| 54 | WELLS FARGO & COMPANY | 0.22% | 1.93M | -737.47K Decreased | -27.62% | Mar 31, 2026 |
| 55 | MARSHALL WACE | 0.21% | 1.84M | +370.51K Increased | +25.30% | Mar 31, 2026 |
| 56 | MITSUBISHI UFJ ASSET MANAGEMENT CO. | 0.21% | 1.80M | +128.23K Increased | +7.66% | Mar 31, 2026 |
| 57 | LPL FINANCIAL LLC | 0.20% | 1.76M | +74.03K Increased | +4.40% | Mar 31, 2026 |
| 58 | SUMITOMO MITSUI TRUST GROUP | 0.20% | 1.74M | -87.66K Decreased | -4.79% | Mar 31, 2026 |
| 59 | 0.20% | 1.72M | +1.72M Initiated | — | Mar 31, 2026 | |
| 60 | TD ASSET MANAGEMENT INC | 0.20% | 1.72M | -646.83K Decreased | -27.36% | Mar 31, 2026 |
| 61 | BNP PARIBAS FINANCIAL MARKETS | 0.19% | 1.67M | +266.84K Increased | +19.06% | Mar 31, 2026 |
| 62 | AQR CAPITAL MANAGEMENT LLC | 0.18% | 1.56M | +72.97K Increased | +4.91% | Mar 31, 2026 |
| 63 | HSBC HOLDINGS PLC | 0.18% | 1.52M | -130.49K Decreased | -7.92% | Mar 31, 2026 |
| 64 | 0.17% | 1.43M | +9.97K Increased | +70.00% | Mar 31, 2026 | |
| 65 | 0.17% | 1.42M | +1.42M Initiated | — | Mar 31, 2026 | |
| 66 | KBC GROUP NV | 0.17% | 1.42M | +72.36K Increased | +5.37% | Mar 31, 2026 |
| 67 | CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 0.16% | 1.41M | -543.50K Decreased | -27.81% | Mar 31, 2026 |
| 68 | BOWEN HANES & CO INC | 0.16% | 1.38M | -53.76K Decreased | -3.76% | Mar 31, 2026 |
| 69 | 0.16% | 1.36M | +1.36M Initiated | — | Mar 31, 2026 | |
| 70 | BANK OF MONTREAL | 0.16% | 1.33M | -49.93K Decreased | -3.61% | Mar 31, 2026 |
| 71 | MILLENNIUM MANAGEMENT LLC | 0.15% | 1.26M | -194.65K Decreased | -13.34% | Mar 31, 2026 |
| 72 | RHUMBLINE ADVISERS | 0.14% | 1.24M | -41.06K Decreased | -3.20% | Mar 31, 2026 |
| 73 | ENVESTNET ASSET MANAGEMENT INC | 0.14% | 1.20M | -189.99K Decreased | -13.63% | Mar 31, 2026 |
| 74 | CITIGROUP INC | 0.14% | 1.18M | +38.03K Increased | +3.33% | Mar 31, 2026 |
| 75 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 0.13% | 1.15M | -27.66K Decreased | -2.35% | Mar 31, 2026 |
| 76 | APPALOOSA LP | 0.13% | 1.13M | -440.70K Decreased | -28.07% | Mar 31, 2026 |
| 77 | KOREA INVESTMENT CORP | 0.12% | 1.07M | +54.44K Increased | +5.36% | Mar 31, 2026 |
| 78 | XN LP | 0.12% | 1.01M | +1.01M Initiated | — | Mar 31, 2026 |
| 79 | COOKSON PEIRCE & CO INC | 0.11% | 939.37K | -14.21K Decreased | -149.00% | Mar 31, 2026 |
| 80 | CANADA PENSION PLAN INVESTMENT BOARD | 0.11% | 934.73K | -212.68K Decreased | -18.54% | Mar 31, 2026 |
Recent insider transactions
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
WEEKS, WENDELL P
Director, Chairman, CEO and President
Filed Jun 9, 2026
WEEKS, WENDELL P
Director, Chairman, CEO and President
Filed Jun 9, 2026
WEEKS, WENDELL P
Director, Chairman, CEO and President
Filed Jun 9, 2026
AMIN, JAYMIN
SVP and Chief Tech. Officer
Filed May 22, 2026
AMIN, JAYMIN
SVP and Chief Tech. Officer
Filed May 22, 2026
AMIN, JAYMIN
SVP and Chief Tech. Officer
Filed May 22, 2026
NELSON, AVERY H III
Executive Vice President & COO
Filed May 15, 2026
FANG, LI
SVP, Corning Intl & NBD, Solar
Filed May 14, 2026
FANG, LI
SVP, Corning Intl & NBD, Solar
Filed May 14, 2026
BECKER, STEFAN
SVP, Finance & Corp Controller
Filed May 13, 2026
VERKLEEREN, RONALD L
SVP Emerging Innovations Group
Filed May 13, 2026
ZHANG, JOHN Z
Exec. Vice President & CCDO
Filed May 11, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | WEEKS, WENDELL P Director, Chairman, CEO and President | 0.01% | SaleOpen-market or direct sale reported on Form 4. | 100.00K | $186.46 | $18,646,070 | Jun 9, 2026 |
| 2 | WEEKS, WENDELL P Director, Chairman, CEO and President | 0.01% | SaleOpen-market or direct sale reported on Form 4. | 100.00K | Not reported | Not reported | Jun 9, 2026 |
| 3 | WEEKS, WENDELL P Director, Chairman, CEO and President | 0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 100.00K | $27.03 | $2,703,000 | Jun 9, 2026 |
| 4 | AMIN, JAYMIN SVP and Chief Tech. Officer | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 7.92K | $27.00 | $213,759 | May 22, 2026 |
| 5 | AMIN, JAYMIN SVP and Chief Tech. Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 27.39K | $192.14 | $5,263,637 | May 22, 2026 |
| 6 | AMIN, JAYMIN SVP and Chief Tech. Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 7.92K | Not reported | Not reported | May 22, 2026 |
| 7 | NELSON, AVERY H III Executive Vice President & COO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 20.00K | $195.93 | $3,918,600 | May 15, 2026 |
| 8 | FANG, LI SVP, Corning Intl & NBD, Solar | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 8.72K | Not reported | Not reported | May 14, 2026 |
| 9 | FANG, LI SVP, Corning Intl & NBD, Solar | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 8.72K | $19.65 | $171,446 | May 14, 2026 |
| 10 | BECKER, STEFAN SVP, Finance & Corp Controller | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 126 | Not reported | Not reported | May 13, 2026 |
| 11 | VERKLEEREN, RONALD L SVP Emerging Innovations Group | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 10.00K | $207.77 | $2,077,708 | May 13, 2026 |
| 12 | ZHANG, JOHN Z Exec. Vice President & CCDO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 10.00K | $198.34 | $1,983,383 | May 11, 2026 |
Frequently asked
VANGUARD GROUP INC is the largest institutional holder of GLW, with 99.28 million shares, or about 11.55% of shares outstanding. Additional institutions are ranked by reported share count.
Corning Incorporated (GLW) has 120 institutional holders on file — 65 that increased or initiated positions and 55 that reduced them, as of the latest filing on Mar 31, 2026.
Corning Incorporated (GLW) has 120 Form 4 insider transactions on file, most recently on Jun 9, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Recent GLW insider activity reads Mixed, sale-heavy: 65 sales and 55 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
WEEKS, WENDELL P is the most active GLW insider by absolute share movement, with 1.61 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.