FMR, LLC
Rank #1
14.6%
- Shares
- 56.68M
- Change %
- -2.54%
- Filing
- Jun 30, 2026
Decreased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
Holders
ON Semiconductor (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
Prices as of Sep 17, 11:54 AM EDT · Fundamentals checked Sep 17, 11:04 AM EDT · Statements Jul 3, 2026
Ownership read
ON insider sentiment: Net selling.
FMR, LLC is the largest institutional holder. 17 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
ON
Purchases0
Sales351.43K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
56.68M
FMR, LLC
Insider stance
Net selling
$25.31M sold / $0.0000 bought
Latest filing
Aug 31, 2026
Most recent holder or insider filing date
Filings shown
85
30 holder / 55 insider
- Holder rows
- 30
- Market data source
- Latest filing
- Aug 31, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 10
- 9 decreased
- Insider rows
- 55
- Market data source
Top 30 institutional holders
ON Semiconductor (ON) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
Blackrock Inc.
Rank #2
10.5%
- Shares
- 40.98M
- Change %
- +2.68%
- Filing
- Jun 30, 2026
Increased
Vanguard Capital Management LLC
Rank #3
6.58%
- Shares
- 25.62M
- Change %
- -0.07%
- Filing
- Jun 30, 2026
Decreased
Vanguard Portfolio Management LLC
Rank #4
5.04%
- Shares
- 19.64M
- Change %
- -2.11%
- Filing
- Jun 30, 2026
Decreased
State Street Corporation
Rank #5
4.77%
- Shares
- 18.56M
- Change %
- +1.36%
- Filing
- Jun 30, 2026
Increased
Jupiter Topco LLC
Rank #6
3.45%
- Shares
- 13.43M
- Change %
- +100.00%
- Filing
- Jun 30, 2026
Increased
Geode Capital Management, LLC
Rank #7
2.78%
- Shares
- 10.84M
- Change %
- +0.68%
- Filing
- Jun 30, 2026
Increased
JPMORGAN CHASE & CO
Rank #8
2.60%
- Shares
- 10.13M
- Change %
- -37.12%
- Filing
- Jun 30, 2026
Decreased
NORGES BANK
Rank #9
2.02%
- Shares
- 7.86M
- Change %
- +28.59%
- Filing
- Jun 30, 2026
Increased
Goldman Sachs Group Inc
Rank #10
2.02%
- Shares
- 7.88M
- Change %
- +18.69%
- Filing
- Jun 30, 2026
Increased
Fidelity Select Portfolios-Select Semiconductors Portfolio
Rank #11
5.90%
- Shares
- 22.95M
- Change %
- +1.36%
- Filing
- Jul 31, 2026
Increased
Fidelity Select Portfolios-Technology Portfolio
Rank #12
4.18%
- Shares
- 16.28M
- Change %
- -7.69%
- Filing
- Jul 31, 2026
Decreased
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
Rank #13
3.20%
- Shares
- 12.44M
- Change %
- -0.59%
- Filing
- Jun 30, 2026
Decreased
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund
Rank #14
2.61%
- Shares
- 10.15M
- Change %
- +1.43%
- Filing
- Jun 30, 2026
Increased
iShares Trust-iShares Semiconductor ETF
Rank #15
2.53%
- Shares
- 9.84M
- Change %
- +18.15%
- Filing
- Jul 31, 2026
Increased
VANGUARD INDEX FUNDS-Vanguard Mid-Cap Index Fund
Rank #16
2.18%
- Shares
- 8.49M
- Change %
- -0.22%
- Filing
- Jun 30, 2026
Decreased
JANUS INVESTMENT FUND-Janus Henderson Enterprise Fund
Rank #17
1.93%
- Shares
- 7.51M
- Change %
- 0.00%
- Filing
- Jun 30, 2026
Unchanged
iShares Trust-iShares Core S&P 500 ETF
Rank #18
1.36%
- Shares
- 5.29M
- Change %
- -1.91%
- Filing
- Jul 31, 2026
Decreased
Fidelity Concord Street Trust-Fidelity 500 Index Fund
Rank #19
1.30%
- Shares
- 5.07M
- Change %
- +0.80%
- Filing
- Jul 31, 2026
Increased
VanEck ETF Trust-VanEck Semiconductor ETF
Rank #20
1.26%
- Shares
- 4.90M
- Change %
- -1.78%
- Filing
- Aug 31, 2026
Decreased
| # | Institution | % held | Shares | Filing date |
|---|---|---|---|---|
| 1 | 14.6% | 56.68M | Jun 30, 2026 | |
| 2 | 10.5% | 40.98M | Jun 30, 2026 | |
| 3 | 6.58% | 25.62M | Jun 30, 2026 | |
| 4 | 5.04% | 19.64M | Jun 30, 2026 | |
| 5 | 4.77% | 18.56M | Jun 30, 2026 | |
| 6 | Jupiter Topco LLC | 3.45% | 13.43M | Jun 30, 2026 |
| 7 | 2.78% | 10.84M | Jun 30, 2026 | |
| 8 | 2.60% | 10.13M | Jun 30, 2026 | |
| 9 | 2.02% | 7.86M | Jun 30, 2026 | |
| 10 | 2.02% | 7.88M | Jun 30, 2026 | |
| 11 | 5.90% | 22.95M | Jul 31, 2026 | |
| 12 | 4.18% | 16.28M | Jul 31, 2026 | |
| 13 | 3.20% | 12.44M | Jun 30, 2026 | |
| 14 | 2.61% | 10.15M | Jun 30, 2026 | |
| 15 | iShares Trust-iShares Semiconductor ETF | 2.53% | 9.84M | Jul 31, 2026 |
| 16 | 2.18% | 8.49M | Jun 30, 2026 | |
| 17 | JANUS INVESTMENT FUND-Janus Henderson Enterprise Fund | 1.93% | 7.51M | Jun 30, 2026 |
| 18 | iShares Trust-iShares Core S&P 500 ETF | 1.36% | 5.29M | Jul 31, 2026 |
| 19 | 1.30% | 5.07M | Jul 31, 2026 | |
| 20 | VanEck ETF Trust-VanEck Semiconductor ETF | 1.26% | 4.90M | Aug 31, 2026 |
Showing 20 of 30 matching institutional rows.
Recent insider transactions
ON Semiconductor (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
MASCARENAS PAUL ANTHONY
Director
- Shares
- 1.99K
- % company
- <0.01%
Filed May 14, 2026
YAN CHRISTINE YINGLI
Director
- Shares
- 1.99K
- % company
- <0.01%
Filed May 14, 2026
DEITRICH THOMAS
Director
- Shares
- 1.99K
- % company
- <0.01%
Filed May 14, 2026
CARTER SUSAN K
Director
- Shares
- 1.99K
- % company
- <0.01%
Filed May 14, 2026
KIDDOO BRUCE E
Director
- Shares
- 1.99K
- % company
- <0.01%
Filed May 14, 2026
WATERS GREGORY L
Director
- Shares
- 1.99K
- % company
- <0.01%
Filed May 14, 2026
THAD TRENT
Chief Financial Officer
- Shares
- 60.00K
- % company
- 0.02%
- Price
- $96.50
- Value
- $5,790,000
Filed Apr 24, 2026
THAD TRENT
Chief Financial Officer
- 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 2, 2026
GOPALSWAMY SUDHIR
Officer
- Shares
- 6.11K
- % company
- <0.01%
- Price
- $58.67
- Value
- $358,708
Filed Mar 13, 2026
GOPALSWAMY SUDHIR
Officer
- Shares
- 31.83K
- % company
- <0.01%
Filed Feb 20, 2026
| # | Insider | % company | Action | Shares | Filing date |
|---|---|---|---|---|---|
| 1 | MASCARENAS PAUL ANTHONY Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 116 | Jul 2, 2026 |
| 2 | MASCARENAS PAUL ANTHONY Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.99K | May 14, 2026 |
| 3 | YAN CHRISTINE YINGLI Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.99K | May 14, 2026 |
| 4 | DEITRICH THOMAS Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.99K | May 14, 2026 |
| 5 | CARTER SUSAN K Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.99K | May 14, 2026 |
| 6 | KIDDOO BRUCE E Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.99K | May 14, 2026 |
| 7 | WATERS GREGORY L Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 1.99K | May 14, 2026 |
| 8 | THAD TRENT Chief Financial Officer | 0.02% | SaleOpen-market or direct sale reported on Form 4. | 60.00K | Apr 24, 2026 |
| 9 | THAD TRENT Chief Financial Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 30.00K | Apr 16, 2026 |
| 10 | MASCARENAS PAUL ANTHONY Director | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 168 | Apr 2, 2026 |
| 11 | GOPALSWAMY SUDHIR Officer | <0.01% | SaleOpen-market or direct sale reported on Form 4. | 6.11K | Mar 13, 2026 |
| 12 | GOPALSWAMY SUDHIR Officer | <0.01% | Stock Award(Grant)Provider-supplied Form 4 action code. Review the original filing before making a trading judgment. | 31.83K | Feb 20, 2026 |
Showing 12 of 55 matching Form 4 rows. Percent of company uses current shares outstanding.
Frequently asked
Common questions.
Who are the largest ON shareholders?
FMR, LLC is the largest reported institutional holder of ON, with 56.68 million shares, or about 14.56% of shares outstanding.
What does the institutional filing activity show for ON?
ON Semiconductor has 30 institutional rows on file: 10 increased or initiated positions and 9 reduced them as of Aug 31, 2026.
What insider transactions are available for ON?
TECHi shows 55 dated ON insider transactions through Jul 2, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are ON insiders buying or selling?
The displayed ON activity reads Net selling: 17 sales and 0 purchases. Other transaction types remain separate.
Who is the most active reported ON insider?
EL KHOURY HASSANE has the largest absolute share movement in the displayed ON filing rows, totaling 495,778 shares. The action labels provide the transaction context.