POWI
Power Integrations, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow +10.4% ·
net new positions +9.1%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 111 | +14 | 40.75M | $3.41B | +16 | −2 |
| Q1 2026 | 100 | +1 | 41.12M | $2.10B | +7 | −6 |
| Q4 2025 | 99 | -1 | 45.11M | $1.60B | +1 | −2 |
| Q3 2025 | 18 | +1 | 28.18M | $1.13B | +1 | −1 |
| Q2 2025 | 15 | +1 | 22.48M | $1.26B | +1 | — |
| Q1 2025 | 11 | 0 | 7.44M | $375.63M | +1 | −1 |
| Q4 2024 | 11 | -1 | 8.05M | $496.70M | — | −1 |
| Q3 2024 | 11 | +1 | 6.15M | $394.14M | +1 | — |
| Q2 2024 | 10 | — | 5.57M | $390.90M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Wellington Management ✦ | 2.34M | +25.6% | $150.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Wellington Management ✦ | 2.34M | +25.6% | $150.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Wellington Management ✦ | 2.34M | +25.6% | $150.06M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.58M | +4.2% | $101.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.58M | +4.2% | $101.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 637.77K | +39.4% | $40.89M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 579.89K | +24.3% | $37.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 414.17K | +5.6% | $26.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 414.17K | +5.6% | $26.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Millennium Management ✦ | 396.06K | -33.2% | $25.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Renaissance Technologies ✦ | 55.50K | New | $3.56M | 0.0% | New | 1 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 54.12K | +191.7% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 38.56K | -5.1% | $2.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | AQR Capital Management ✦ | 37.73K | +13.5% | $2.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 37.73K | +13.5% | $2.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Marshall Wace ✦ | 17.10K | -91.1% | $1.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | Marshall Wace ✦ | 17.10K | -91.1% | $1.10M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Renaissance Technologies | $3.56M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 305 holders, 62.17M shares, $3.07B 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.