ON
ON Semiconductor Corporation · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -6.2% ·
share flow +8.1% ·
net new positions -6.7%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 4 | +1 | 3.10M | $237.83M | +1 | −2 |
| 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 | State Street Global Advisors ✦ (passive) | 21.31M | +0.5% | $867.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 11.22M | +6.7% | $455.65M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 3 | Baillie Gifford ✦ | 5.38M | New | $219.00M | 0.2% | New | 1 | SEC ↗ ×4 |
| 4 | Norges Bank ✦ (passive) | 3.98M | -33.7% | $161.83M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 2.40M | +314.7% | $97.76M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 1.50M | +94.0% | $61.15M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 7 | Marshall Wace ✦ | 776.82K | +123.2% | $31.61M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 8 | Millennium Management ✦ | 727.84K | +16.5% | $29.62M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 654.30K | -30.1% | $26.62M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 10 | Two Sigma Investments ✦ | 335.54K | +63.0% | $13.65M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | Adage Capital Partners ✦ | 299.60K | -11.3% | $12.19M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 264.41K | -89.1% | $10.76M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | Gotham Asset Management ✦ | 166.49K | +210.1% | $6.77M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 121.36K | +187.9% | $4.86M | 0.0% | ▲ Add | 4 | SEC ↗ ×5 |
| 15 | Wellington Management ✦ | 36.96K | -88.0% | $1.50M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Baillie Gifford | $219.00M | 0.2% |
Exited
| Bridgewater Associates | $42.67M | was 0.2% |
| Fisher Asset Management | $28.12M | was 0.0% |
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.