Security record
FORM
FormFactor, Inc. · Technology · Semiconductors
130Tracked holders
+7Δ holders
49.25MShares held
$7.76BReported value
+15New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +5.7% ·
share flow -6.9% ·
net new positions +6.2%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 130 | +7 | 49.25M | $7.76B | +15 | −7 |
| 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 · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 10.48M | -14.4% | $1.68B | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 3.52M | +1.2% | $562.19M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 2.58M | -11.8% | $412.86M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 1.83M | -16.2% | $294.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 1.83M | -16.2% | $294.52M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 23 | Bank Of America Corp /De/ | 1.78M | -28.1% | $285.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Bank Of America Corp /De/ | 1.78M | -28.1% | $285.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 25 | Bank Of America Corp /De/ | 1.78M | -28.1% | $285.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Bank Of America Corp /De/ | 1.78M | -28.1% | $285.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Bank Of America Corp /De/ | 1.78M | -28.1% | $285.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Bank Of America Corp /De/ | 1.78M | -28.1% | $285.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | PRIMECAP Management ✦ | 1.69M | -5.5% | $270.30M | 0.2% | ▼ Trim | 9 | SEC ↗ |
| 30 | Invesco Ltd. | 1.58M | +27.5% | $252.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Invesco Ltd. | 1.58M | +27.5% | $252.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Invesco Ltd. | 1.58M | +27.5% | $252.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Invesco Ltd. | 1.58M | +27.5% | $252.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Invesco Ltd. | 1.58M | +27.5% | $252.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Dimensional Fund Advisors Lp | 1.42M | +0.5% | $226.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Dimensional Fund Advisors Lp | 1.42M | +0.5% | $226.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Dimensional Fund Advisors Lp | 1.42M | +0.5% | $226.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Dimensional Fund Advisors Lp | 1.42M | +0.5% | $226.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Dimensional Fund Advisors Lp | 1.42M | +0.5% | $226.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Sei Investments Co | 1.34M | -20.2% | $214.79M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 41 | Sei Investments Co | 1.34M | -20.2% | $214.79M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 42 | Jane Street Group, Llc | 1.31M | +41.5% | $209.49M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 43 | Jane Street Group, Llc | 1.31M | +41.5% | $209.49M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 44 | Jane Street Group, Llc | 1.31M | +41.5% | $209.49M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 45 | Norges Bank ✦ (passive) | 1.02M | New | $163.78M | 0.0% | New | 1 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 899.95K | -31.2% | $143.93M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | Alliancebernstein L.P. | 1.46M | -34.7% | $141.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Charles Schwab Investment… | 750.03K | -20.9% | $119.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 58 | T. Rowe Price ✦ | 721.75K | -14.1% | $115.43M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 59 | T. Rowe Price ✦ | 721.75K | -14.1% | $115.43M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 60 | Millennium Management ✦ | 670.87K | +270.8% | $107.29M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 61 | Goldman Sachs Group ✦ | 661.40K | -24.3% | $105.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 62 | Goldman Sachs Group ✦ | 661.40K | -24.3% | $105.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 63 | Goldman Sachs Group ✦ | 661.40K | -24.3% | $105.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 64 | Goldman Sachs Group ✦ | 661.40K | -24.3% | $105.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 65 | Pictet Asset Management Holding SA | 654.00K | +5215.8% | $104.33M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 66 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Bank of New York Mellon Corp | 649.31K | +2.5% | $103.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Nuveen, LLC | 649.29K | -23.6% | $103.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | Nuveen, LLC | 649.29K | -23.6% | $103.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Nuveen, LLC | 649.29K | -23.6% | $103.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Nuveen, LLC | 649.29K | -23.6% | $103.84M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Northern Trust Corp | 588.02K | -29.6% | $94.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Northern Trust Corp | 588.02K | -29.6% | $94.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Northern Trust Corp | 588.02K | -29.6% | $94.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Northern Trust Corp | 588.02K | -29.6% | $94.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Northern Trust Corp | 588.02K | -29.6% | $94.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Assenagon Asset Management S.A. | 519.04K | +22.8% | $83.01M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 88 | Assenagon Asset Management S.A. | 519.04K | +22.8% | $83.01M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 89 | Hrt Financial Lp | 493.87K | +378.0% | $78.98M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 90 | Hrt Financial Lp | 493.87K | +378.0% | $78.98M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 91 | Ameriprise Financial Inc | 435.96K | -69.0% | $69.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Ameriprise Financial Inc | 435.96K | -69.0% | $69.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Ameriprise Financial Inc | 435.96K | -69.0% | $69.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Ameriprise Financial Inc | 435.96K | -69.0% | $69.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Ameriprise Financial Inc | 435.96K | -69.0% | $69.72M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Two Sigma Investments ✦ | 425.69K | +99.4% | $68.08M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 97 | D. E. Shaw & Co. ✦ | 421.38K | +73.7% | $67.39M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 98 | D. E. Shaw & Co. ✦ | 421.38K | +73.7% | $67.39M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 99 | Principal Financial Group Inc | 413.69K | +9.3% | $66.16M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Capital World Investors ✦ | 411.03K | New | $65.74M | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $163.78M | 0.0% |
| Capital World Investors | $65.74M | 0.0% |
Exited
| Wellington Management | $7.79M | was 0.0% |
| 1832 Asset Management L.P. | $4.84M | was 0.0% |
| MIRAE ASSET GLOBAL ETFS… | $3.54M | was 0.0% |
| ProShare Advisors LLC | $1.18M | was 0.0% |
| Capstone Investment Advisors… | $677,572 | was 0.0% |
| CIBC Bancorp USA Inc. | $387,864 | was 0.0% |
| Focus Partners Wealth | $262,757 | 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: Q2 2026 ·
Methodology ·
Get this via the API