ON
ON Semiconductor Corporation · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +5.6% ·
share flow -2.1% ·
net new positions +5.3%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | +1 | 3.10M | $237.83M | +1 | n/a |
| Q2 2026 | 162 | +9 | 309.37M | $29.16B | +12 | −4 |
| Q1 2026 | 157 | -3 | 323.63M | $19.91B | +2 | −6 |
| Q4 2025 | 159 | +2 | 354.95M | $19.24B | +3 | n/a |
| Q3 2025 | 21 | 0 | 241.60M | $11.91B | +1 | −2 |
| Q2 2025 | 19 | +1 | 196.13M | $10.28B | +1 | n/a |
| Q1 2025 | 15 | -1 | 49.17M | $2.00B | +1 | −2 |
| Q4 2024 | 16 | 0 | 45.49M | $2.87B | n/a | n/a |
| Q3 2024 | 15 | -1 | 29.79M | $2.16B | n/a | −1 |
| Q2 2024 | 16 | n/a | 29.30M | $2.01B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 55.81M | n/a | $2.92B | 0.2% | n/c | 1 | SEC ↗ ×6 |
| 2 | The Vanguard Group ✦ (passive) | 51.37M | n/a | $2.69B | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 3 | BlackRock ✦ (passive) | 43.99M | n/a | $2.31B | 0.0% | n/c | 1 | SEC ↗ ×22 |
| 4 | State Street Global Advisors ✦ (passive) | 19.39M | -9.0% | $1.02B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 11.30M | +0.7% | $590.38M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 6 | Baillie Gifford ✦ | 5.34M | -0.9% | $279.65M | 0.2% | ▼ Trim | 2 | SEC ↗ ×4 |
| 7 | Norges Bank ✦ (passive) | 4.37M | +9.8% | $228.83M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | Millennium Management ✦ | 953.00K | +30.9% | $49.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | Renaissance Technologies ✦ | 925.90K | -61.5% | $48.53M | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 750.34K | -50.1% | $39.33M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 11 | Two Sigma Investments ✦ | 509.38K | +51.8% | $26.70M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 339.41K | +103.9% | $17.79M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 13 | AQR Capital Management ✦ | 267.43K | +120.4% | $14.02M | 0.0% | ▲ Add | 5 | SEC ↗ ×5 |
| 14 | Wellington Management ✦ | 238.39K | +545.0% | $12.49M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 15 | Adage Capital Partners ✦ | 232.70K | -22.3% | $12.20M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | Glenview Capital ✦ | 174.19K | New | $9.13M | 0.3% | New | 1 | SEC ↗ |
| 17 | Citadel Advisors ✦ | 130.65K | -50.6% | $6.85M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 18 | D. E. Shaw & Co. ✦ | 34.58K | -94.7% | $1.81M | 0.0% | ▼ Trim | 5 | SEC ↗ ×2 |
| 19 | Marshall Wace ✦ | 29.90K | -96.2% | $1.57M | 0.0% | ▼ Trim | 5 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Glenview Capital | $9.13M | 0.3% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 46.00K shares, $2,848 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.