FMR LLC
Rank #1
14.9%
- Shares
- 58.16M
- Change
- -1.21M
- Change %
- -2.04%
- Filing
- Mar 31, 2026
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NasdaqGS · Technology · Holders
ON Semiconductor Corp (ON) Institutional Ownership & Insider Trading History
Top ON institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jul 17, 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.
PriceAt close
Last traded •
Source: Market data provider
Fundamentalsevery 1 hr
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
ON insider sentiment: Mixed, buy-heavy.
FMR LLC is the largest institutional holder. 64 sales and 56 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
ON
Purchases945.80K
Sales758.60K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
58.16M
FMR LLC
Insider stance
Mixed, buy-heavy
$49.54M sold / $93.39K bought
Latest filing
Jul 2, 2026
Most recent holder or insider filing date
Filings shown
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Jul 2, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 65
- 53 decreased
- Insider rows
- 120
- Market data source
Top 120 institutional holders
ON Semiconductor Corp (ON) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
VANGUARD GROUP INC
Rank #2
13.1%
- Shares
- 51.07M
- Change
- -232.42K
- Change %
- -45.00%
- Filing
- Dec 31, 2025
Decreased
BLACKROCK
Rank #3
10.3%
- Shares
- 39.91M
- Change
- -491.03K
- Change %
- -122.00%
- Filing
- Mar 31, 2026
Decreased
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
6.59%
- Shares
- 25.63M
- Change
- +25.63M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #5
5.16%
- Shares
- 20.06M
- Change
- +20.06M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #6
4.71%
- Shares
- 18.31M
- Change
- -542.47K
- Change %
- -2.88%
- Filing
- Mar 31, 2026
Decreased
JPMORGAN CHASE & CO
Rank #7
4.14%
- Shares
- 16.11M
- Change
- +8.36M
- Change %
- +107.85%
- Filing
- Mar 31, 2026
Increased
JANUS HENDERSON GROUP LTD.
Rank #8
3.52%
- Shares
- 13.70M
- Change
- +1.35M
- Change %
- +10.89%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #9
2.77%
- Shares
- 10.76M
- Change
- -244.54K
- Change %
- -2.22%
- Filing
- Mar 31, 2026
Decreased
SLATE PATH CAPITAL LP
Rank #10
2.00%
- Shares
- 7.80M
- Change
- -2.68M
- Change %
- -25.59%
- Filing
- Mar 31, 2026
Decreased
GOLDMAN SACHS GROUP INC
Rank #11
1.71%
- Shares
- 6.64M
- Change
- +299.00K
- Change %
- +4.72%
- Filing
- Mar 31, 2026
Increased
AMERIPRISE FINANCIAL INC
Rank #12
1.66%
- Shares
- 6.45M
- Change
- +319.39K
- Change %
- +5.21%
- Filing
- Mar 31, 2026
Increased
NORGES BANK
Rank #13
1.57%
- Shares
- 6.11M
- Change
- +1.74M
- Change %
- +39.95%
- Filing
- Dec 31, 2025
Increased
MORGAN STANLEY
Rank #14
1.57%
- Shares
- 6.11M
- Change
- -597.31K
- Change %
- -8.91%
- Filing
- Mar 31, 2026
Decreased
ALLSPRING GLOBAL INVESTMENTS HOLDINGS
Rank #15
1.57%
- Shares
- 6.10M
- Change
- -263.87K
- Change %
- -4.15%
- Filing
- Mar 31, 2026
Decreased
INVESCO LTD.
Rank #16
1.55%
- Shares
- 6.04M
- Change
- -123.71K
- Change %
- -2.01%
- Filing
- Mar 31, 2026
Decreased
BANK OF AMERICA CORP
Rank #17
1.34%
- Shares
- 5.23M
- Change
- -1.55M
- Change %
- -22.85%
- Filing
- Mar 31, 2026
Decreased
AMUNDI
Rank #18
1.25%
- Shares
- 4.85M
- Change
- +1.49M
- Change %
- +44.53%
- Filing
- Mar 31, 2026
Increased
CITIGROUP INC
Rank #19
1.20%
- Shares
- 4.66M
- Change
- +40.80K
- Change %
- +88.00%
- Filing
- Mar 31, 2026
Increased
PICTET ASSET MANAGEMENT HOLDING SA
Rank #20
1.18%
- Shares
- 4.60M
- Change
- +615.90K
- Change %
- +15.47%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 14.9% | 58.16M | -1.21M Decreased | -2.04% | Mar 31, 2026 | |
| 2 | 13.1% | 51.07M | -232.42K Decreased | -45.00% | Dec 31, 2025 | |
| 3 | 10.3% | 39.91M | -491.03K Decreased | -122.00% | Mar 31, 2026 | |
| 4 | 6.59% | 25.63M | +25.63M Initiated | — | Mar 31, 2026 | |
| 5 | 5.16% | 20.06M | +20.06M Initiated | — | Mar 31, 2026 | |
| 6 | 4.71% | 18.31M | -542.47K Decreased | -2.88% | Mar 31, 2026 | |
| 7 | 4.14% | 16.11M | +8.36M Increased | +107.85% | Mar 31, 2026 | |
| 8 | JANUS HENDERSON GROUP LTD. | 3.52% | 13.70M | +1.35M Increased | +10.89% | Mar 31, 2026 |
| 9 | 2.77% | 10.76M | -244.54K Decreased | -2.22% | Mar 31, 2026 | |
| 10 | SLATE PATH CAPITAL LP | 2.00% | 7.80M | -2.68M Decreased | -25.59% | Mar 31, 2026 |
| 11 | 1.71% | 6.64M | +299.00K Increased | +4.72% | Mar 31, 2026 | |
| 12 | AMERIPRISE FINANCIAL INC | 1.66% | 6.45M | +319.39K Increased | +5.21% | Mar 31, 2026 |
| 13 | 1.57% | 6.11M | +1.74M Increased | +39.95% | Dec 31, 2025 | |
| 14 | 1.57% | 6.11M | -597.31K Decreased | -8.91% | Mar 31, 2026 | |
| 15 | ALLSPRING GLOBAL INVESTMENTS HOLDINGS | 1.57% | 6.10M | -263.87K Decreased | -4.15% | Mar 31, 2026 |
| 16 | 1.55% | 6.04M | -123.71K Decreased | -2.01% | Mar 31, 2026 | |
| 17 | 1.34% | 5.23M | -1.55M Decreased | -22.85% | Mar 31, 2026 | |
| 18 | 1.25% | 4.85M | +1.49M Increased | +44.53% | Mar 31, 2026 | |
| 19 | CITIGROUP INC | 1.20% | 4.66M | +40.80K Increased | +88.00% | Mar 31, 2026 |
| 20 | PICTET ASSET MANAGEMENT HOLDING SA | 1.18% | 4.60M | +615.90K Increased | +15.47% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.
Recent insider transactions
ON Semiconductor Corp (ON) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
MASCARENAS, PAUL ANTHONY
Director
- Shares
- 116
- % company
- <0.01%
- Price
- $91.22
- Value
- $10,582
Filed Jul 2, 2026
GOPALSWAMY, SUDHIR
Group President, AMG & ISG
- Shares
- 470
- % company
- <0.01%
- Price
- $127.00
- Value
- $59,690
Filed May 26, 2026
WATERS, GREGORY L
Director
- Shares
- 1.99K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 14, 2026
CARTER, SUSAN K
Director
- Shares
- 1.99K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 14, 2026
KIDDOO, BRUCE E
Director
- Shares
- 1.99K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 14, 2026
MASCARENAS, PAUL ANTHONY
Director
- Shares
- 1.99K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 14, 2026
DEITRICH, THOMAS
Director
- Shares
- 1.99K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 14, 2026
YAN, CHRISTINE Y
Director
- Shares
- 1.99K
- % company
- <0.01%
- Price
- Not reported
- Value
- Not reported
Filed May 14, 2026
THAD, TRENT
Exec VP & CFO
- Shares
- 30.00K
- % company
- <0.01%
- Price
- $100.00
- Value
- $3,000,000
Filed Apr 24, 2026
THAD, TRENT
Exec VP & CFO
- Shares
- 30.00K
- % company
- <0.01%
- Price
- $93.00
- Value
- $2,790,000
Filed Apr 23, 2026
THAD, TRENT
Exec VP & CFO
- Shares
- 30.00K
- % company
- <0.01%
- Price
- $80.00
- Value
- $2,400,000
Filed Apr 16, 2026
MASCARENAS, PAUL ANTHONY
Director
- Shares
- 168
- % company
- <0.01%
- Price
- $62.19
- Value
- $10,448
Filed Apr 3, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | MASCARENAS, PAUL ANTHONY Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 116 | $91.22 | $10,582 | Jul 2, 2026 |
| 2 | GOPALSWAMY, SUDHIR Group President, AMG & ISG | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 470 | $127.00 | $59,690 | May 26, 2026 |
| 3 | WATERS, GREGORY L Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.99K | Not reported | Not reported | May 14, 2026 |
| 4 | CARTER, SUSAN K Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.99K | Not reported | Not reported | May 14, 2026 |
| 5 | KIDDOO, BRUCE E Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.99K | Not reported | Not reported | May 14, 2026 |
| 6 | MASCARENAS, PAUL ANTHONY Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.99K | Not reported | Not reported | May 14, 2026 |
| 7 | DEITRICH, THOMAS Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.99K | Not reported | Not reported | May 14, 2026 |
| 8 | YAN, CHRISTINE Y Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 1.99K | Not reported | Not reported | May 14, 2026 |
| 9 | THAD, TRENT Exec VP & CFO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 30.00K | $100.00 | $3,000,000 | Apr 24, 2026 |
| 10 | THAD, TRENT Exec VP & CFO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 30.00K | $93.00 | $2,790,000 | Apr 23, 2026 |
| 11 | THAD, TRENT Exec VP & CFO | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 30.00K | $80.00 | $2,400,000 | Apr 16, 2026 |
| 12 | MASCARENAS, PAUL ANTHONY Director | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4. | 168 | $62.19 | $10,448 | Apr 3, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.
Frequently asked
Common questions.
Who are the largest ON shareholders?
FMR LLC is the largest institutional holder of ON, with 58.16 million shares, or about 14.95% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of ON?
ON Semiconductor Corp (ON) has 120 institutional holders on file — 65 that increased or initiated positions and 53 that reduced them, as of the latest filing on Jun 30, 2026.
Where can I see ON Semiconductor Corp insider transactions?
ON Semiconductor Corp (ON) has 120 Form 4 insider transactions on file, most recently on Jul 2, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are ON insiders buying or selling?
Recent ON insider activity reads Mixed, buy-heavy: 64 sales and 56 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 ON insider?
EL-KHOURY, HASSANE is the most active ON insider by absolute share movement, with 698,232 shares moving across the filing history. Review the action labels before treating that activity as buying or selling.