Who owns onsemi (ON)?
154 holders named in SEC filings declare between 78.9% and 98.2% of onsemi's shares outstanding, as of Jun 30, 2026. The largest are Fidelity (FMR) (14.6%), Vanguard (12.7%) and BlackRock (10.5%); the five largest hold 46.0% together. Another 843 institutions hold small positions worth 5.2%. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 10.1% and sold 13.4% of the shares, a net sale of 3.4%; 218 opened a position, 292 added, 326 reduced and 63 sold out. Biggest buyers: Jericho Capital Asset Management L.P. (+4.9M shares) and Jane Street (+2.7M shares). Biggest sellers: Slate Path Capital LP (-6.5M) and JPMorgan (-6.0M). Over time, 987 managers declared onsemi in their 13F for Q2 2026, against 408 for Q4 2019: together at most 102.3% of the shares outstanding, against 99.3%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| Fidelity (FMR) | 13F | 14.6% | Jun 30, 2026 | Q4 2019 or earlier |
| Vanguard | 13F | 12.7% | Jun 30, 2026 | Q4 2019 or earlier |
| BlackRock | 13F | 10.5% | Jun 30, 2026 | Q4 2019 or earlier |
| State Street | 13F | 4.8% | Jun 30, 2026 | Q4 2019 or earlier |
| Janus Henderson | 13F | 3.4% | Jun 30, 2026 | Q4 2019 or earlier |
| Geode Capital | 13F | 2.8% | Jun 30, 2026 | Q4 2019 or earlier |
| JPMorgan | 13F | 2.6% | Jun 30, 2026 | Q4 2019 or earlier |
| Goldman Sachs | 13F | 2.0% | Jun 30, 2026 | Q4 2019 or earlier |
| Norges Bank | 13F | 2.0% | Jun 30, 2026 | Q4 2019 or earlier |
| Bank of America | 13F | 1.6% | Jun 30, 2026 | Q4 2019 or earlier |
| Morgan Stanley | 13F | 1.5% | Jun 30, 2026 | Q4 2019 or earlier |
| UBS | 13F | 1.5% | Jun 30, 2026 | Q4 2019 or earlier |
| Ameriprise Financial, Inc. | 13F | 1.4% | Jun 30, 2026 | Q4 2019 or earlier |
| VanEck | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Amundi | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Invesco | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Jericho Capital Asset Management L.P. | 13F | 1.3% | Jun 30, 2026 | Q2 2026 |
| PICTET ASSET MANAGEMENT SA | 13F | 1.1% | Jun 30, 2026 | Q3 2023 |
| Two Sigma | 13F | 1.0% | Jun 30, 2026 | Q3 2020 |
| CITIGROUP INC | 13F | 0.98% | Jun 30, 2026 | Q4 2019 or earlier |
| Rafferty Asset Management, LLC | 13F | 0.95% | Jun 30, 2026 | Q4 2019 or earlier |
| Barclays | 13F | 0.94% | Jun 30, 2026 | Q4 2019 or earlier |
| BAILLIE GIFFORD & CO | 13F | 0.88% | Jun 30, 2026 | Q1 2025 |
| Northern Trust | 13F | 0.85% | Jun 30, 2026 | Q4 2019 or earlier |
| Allspring Global Investments Holdings, LLC | 13F | 0.79% | Jun 30, 2026 | Q4 2021 |
onsemi institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2019 | 408 | 99.3% | $9.9B | 65.9% |
| Q4 2020 | 449 | 100.6% | $13.5B | 71.8% |
| Q4 2021 | 673 | 94.0% | $27.5B | 65.4% |
| Q4 2022 | 794 | 99.0% | $26.7B | 60.2% |
| Q4 2023 | 864 | 96.9% | $34.9B | 55.6% |
| Q4 2024 | 833 | 98.3% | $26.4B | 52.5% |
| Q4 2025 | 791 | 104.8% | $22.9B | 54.5% |
| Q2 2026 | 987 | 102.3% | $37.8B | 52.6% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.