ON Semiconductor Corporation (ON) ownership: Top institutional holder: FMR LLC ($3.60B). Insider activity: Net Seller (7 buys, 13 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| FMR LLC | 58158341.00 | $3.60B | 2026-03-31 |
| VANGUARD GROUP INC | 51066453.00 | $2.77B | 2025-12-31 |
| BlackRock, Inc. | 39911681.00 | $2.47B | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 25633199.00 | $1.59B | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 20062560.00 | $1.24B | 2026-03-31 |
| STATE STREET CORP | 18307578.00 | $1.13B | 2026-03-31 |
| JPMORGAN CHASE & CO | 16107943.00 | $896.57M | 2026-03-31 |
| JANUS HENDERSON GROUP PLC | 13700884.00 | $848.39M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-05-26 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-04-24 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.