FORM
FormFactor, Inc. · Technology · Semiconductors
Momentum inputs (comparable managers):
holder breadth -14.3% ·
share flow -10.9% ·
net new positions -16.7%
· formula
Broad distribution: falling shares and 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 | 3 | +1 | 83.16K | $9.45M | +1 | −2 |
| Q2 2026 | 128 | +8 | 49.23M | $7.76B | +16 | −10 |
| Q1 2026 | 125 | +13 | 52.00M | $4.95B | +16 | −4 |
| Q4 2025 | 112 | +3 | 57.86M | $3.23B | +4 | n/a |
| Q3 2025 | 17 | 0 | 33.04M | $1.20B | +1 | −2 |
| Q2 2025 | 15 | 0 | 30.26M | $1.04B | +2 | −2 |
| Q1 2025 | 12 | -2 | 9.43M | $266.77M | +1 | −3 |
| Q4 2024 | 14 | -2 | 10.58M | $465.48M | +1 | −3 |
| Q3 2024 | 15 | 0 | 7.81M | $359.35M | +1 | −1 |
| Q2 2024 | 15 | n/a | 8.23M | $498.09M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 2.91M | -4.5% | $82.29M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | PRIMECAP Management ✦ | 2.78M | -0.5% | $78.77M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 2.15M | +2.4% | $60.94M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 4 | T. Rowe Price ✦ | 547.72K | +0.5% | $15.50M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 5 | D. E. Shaw & Co. ✦ | 474.56K | +87.6% | $13.43M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Fisher Asset Management ✦ | 160.29K | -4.5% | $4.53M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 157.28K | -44.4% | $4.45M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | Two Sigma Investments ✦ | 137.61K | +132.0% | $3.89M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 39.25K | -35.3% | $1.11M | 0.0% | ▼ Trim | 4 | SEC ↗ ×4 |
| 10 | Marshall Wace ✦ | 31.10K | +263.1% | $879,819 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Millennium Management ✦ | 19.74K | New | $558,360 | 0.0% | New | 1 | SEC ↗ |
| 12 | Gotham Asset Management ✦ | 14.91K | +177.9% | $421,776 | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Millennium Management | $558,360 | 0.0% |
Exited
| Wellington Management | $50.97M | was 0.0% |
| Citadel Advisors | $2.27M | was 0.0% |
| Renaissance Technologies | $1.61M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 389 holders, 74.32M shares, $6.80B 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 1.20K sh · $151,104
Officer, Director · 2.19K sh · $272,685
Officer, Director · 7.70K sh · $965,648
Officer, Director · 1.00K sh · $105,800
Officer, Director · 8.74K sh · $910,920
Officer, Director · 7.77K sh · $817,098
Director · 2.10K sh · $201,810
Officer, Director · 2.48K sh · $319,483
Officer, Director · 2.89K sh · $374,659
Officer, Director · 3.28K sh · $428,432
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology