Security record · archived quarter
FORM
FormFactor, Inc. · Technology · Semiconductors
17Tracked holders
0Δ holders
33.04MShares held
$1.20BReported value
+1New positions
−2Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +2.0% · net new positions -5.9% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 129 | +7 | 49.15M | $7.75B | +15 | −8 |
| Q1 2026 | 125 | +13 | 52.00M | $4.95B | +16 | −4 |
| Q4 2025 | 112 | +3 | 57.86M | $3.23B | +4 | — |
| 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 | — | 8.23M | $498.09M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 11.24M | -1.1% | $409.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 10.30M | +0.1% | $375.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 10.30M | +0.1% | $375.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 10.30M | +0.1% | $375.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 10.30M | +0.1% | $375.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 10.30M | +0.1% | $375.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 2.92M | +0.1% | $106.26M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 21 | PRIMECAP Management ✦ | 2.32M | +0.1% | $84.66M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 1.88M | -12.7% | $68.43M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 1.88M | -12.7% | $68.43M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Morgan Stanley ✦ | 1.14M | — | $41.68M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | T. Rowe Price ✦ | 655.75K | +622.0% | $23.88M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 35 | T. Rowe Price ✦ | 655.75K | +622.0% | $23.88M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 543.07K | — | $19.78M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Goldman Sachs Group ✦ | 512.42K | — | $18.66M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Goldman Sachs Group ✦ | 512.42K | — | $18.66M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | D. E. Shaw & Co. ✦ | 508.81K | +27.1% | $18.53M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 47 | Two Sigma Investments ✦ | 358.14K | +542.6% | $13.04M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 48 | AQR Capital Management ✦ | 167.96K | -13.6% | $6.12M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 167.96K | -13.6% | $6.12M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 167.96K | -13.6% | $6.12M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 167.96K | -13.6% | $6.12M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 167.96K | -13.6% | $6.12M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 53 | Fisher Asset Management ✦ | 142.30K | -5.9% | $5.18M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 54 | Point72 Asset Management ✦ | 115.12K | New | $4.19M | 0.0% | New | 1 | SEC ↗ |
| 55 | Millennium Management ✦ | 113.18K | +357.3% | $4.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Citadel Advisors ✦ | 105.91K | +95.1% | $3.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Fidelity (FMR) ✦ | 18.91K | -5.4% | $688,856 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Fidelity (FMR) ✦ | 18.91K | -5.4% | $688,856 | 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
| Point72 Asset Management | $4.19M | 0.0% |
Exited
| Renaissance Technologies | $4.92M | was 0.0% |
| Norges Bank | $2.87M | 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.
Frequently co-owned
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)
Aug 14
SLESSOR MIKE
Officer, Director · 2.48K sh · $319,483
Aug 14
SLESSOR MIKE
Officer, Director · 2.89K sh · $374,659
Aug 14
SLESSOR MIKE
Officer, Director · 3.28K sh · $428,432
Aug 14
SLESSOR MIKE
Officer, Director · 1.12K sh · $148,106
Aug 14
SLESSOR MIKE
Officer, Director · 5.54K sh · $733,388
Aug 14
SLESSOR MIKE
Officer, Director · 686 sh · $91,464
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — EARNEST PARTNERS LLC
Jul 28
SC 13G/A — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2025 ·
Methodology ·
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