FormfactorFORM
13F holders, Q1 2026 (March 31)396holders +61
97new positions
38sold out
9famous investors
$95.72avg. 13F price*
At the end of Q1 2026, 396 institutions reported holding Formfactor Inc. (FORM) in their 13F filings, up 61 from Q4 2025. 97 opened new positions and 38 sold out. The largest holders were BlackRock, Inc. ($1.2B), Vanguard Portfolio Management LLC ($570.3M) and Earnest Partners LLC ($472.8M). 9 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Ray Dalio (0.0% of Bridgewater Associates's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Formfactor Inc.
- CUSIP
- 346375108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 97 | $365.9M |
| Exits | 38 | $82.9M |
All 13F filers, Q4 2025 → Q1 2026: 11,260,687 shares bought and 11,858,726 shares sold, net −598,039 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 396 holders
| BlackRock, Inc. | 0.02% | Add +5.9% | 12,247,574 | $1.2B |
| Vanguard Portfolio Management LLC | 0.03% | — | 5,880,008 | $570.3M |
| Earnest Partners LLC | 1.95% | Reduce -15.6% | 4,875,165 | $472.8M |
| Vanguard Capital Management LLC | 0.01% | — | 3,472,491 | $336.8M |
| State Street Corp. | 0.01% | Add +2.0% | 2,928,139 | $284.0M |
| Bank of America Corp. | 0.02% | Reduce -1.4% | 2,481,059 | $240.6M |
| Polar Capital Holdings Plc | 0.97% | New | 2,292,313 | $222.3M |
| Geode Capital Management, LLC | 0.01% | Add +16.0% | 2,187,865 | $212.2M |
| Primecap Management Co. | 0.14% | Reduce -14.1% | 1,788,644 | $173.5M |
| Sei Investments Co. | 0.15% | Reduce -0.2% | 1,682,322 | $163.2M |
| Dimensional Fund Advisors LP | 0.03% | Reduce -18.0% | 1,412,119 | $136.9M |
| Ameriprise Financial Inc. | 0.03% | Add +6.7% | 1,404,359 | $136.2M |
| Morgan Stanley | 0.01% | Reduce -42.4% | 1,308,918 | $127.0M |
| Alliancebernstein L.P. | 0.04% | Add +57.7% | 2,231,533 | $124.5M |
| Invesco Ltd. | 0.01% | Add +272.0% | 1,238,363 | $120.1M |
| Reinhart Partners, Llc. | 3.23% | Reduce -46.1% | 1,159,698 | $112.5M |
| Fuller & Thaler Asset Management, Inc. | 0.37% | Add +4.9% | 1,137,356 | $110.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -0.4% | 947,544 | $91.9M |
| Jane Street Group, LLC | 0.10% | Add +680.9% | 925,617 | $89.8M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -1.3% | 873,521 | $84.7M |
| T. Rowe Price Investment Management, Inc. | 0.06% | Add +137.2% | 852,833 | $82.7M |
| Nuveen, LLC | 0.02% | Add +20.4% | 849,717 | $82.4M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -12.8% | 840,631 | $81.5M |
| Northern Trust Corp. | 0.01% | Add +1.3% | 835,307 | $81.0M |
| Massachusetts Financial Services Co. | 0.02% | Reduce -46.4% | 733,338 | $71.1M |
| Bank of New York Mellon Corp | 0.01% | Reduce -15.7% | 633,543 | $61.4M |
| Needham Investment Management LLC | 2.99% | Reduce -13.1% | 603,500 | $58.5M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 530,780 | $51.5M |
| Arrowstreet Capital, Limited Partnership | 0.03% | Reduce -15.5% | 508,642 | $49.3M |
| Franklin Resources Inc. | 0.01% | Add +71.7% | 493,767 | $47.9M |
| Natixis Advisors, LLC | 0.06% | Add +9.0% | 456,210 | $44.2M |
| Royce & Associates LP | 0.43% | Reduce -61.0% | 451,863 | $43.8M |
| Jones Financial Companies LLLP | 0.02% | Add +40273.7% | 429,980 | $42.1M |
| Royal Bank of Canada | 0.01% | Reduce -26.9% | 428,907 | $41.6M |
| Fisher Asset Management | 0.01% | Reduce -2.3% | 425,994 | $41.3M |
| Assenagon Asset Management S.A. | 0.07% | Reduce -24.9% | 422,827 | $41.0M |
| Bessemer Group Inc. | 0.06% | Reduce -30.3% | 391,959 | $38.0M |
| Principal Financial Group Inc. | 0.02% | Add +2.2% | 378,495 | $36.7M |
| Victory Capital Management Inc. | 0.02% | Reduce -70.9% | 365,810 | $35.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.07% | Add +64.3% | 333,086 | $32.3M |
| FMR LLC | 0.00% | Add +1400.4% | 325,832 | $31.6M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -21.6% | 281,158 | $27.3M |
| Public Sector Pension Investment Board | 0.08% | Add +3.4% | 277,316 | $26.9M |
| Select Equity Group, L.P. | 0.13% | Reduce -39.7% | 257,414 | $25.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -15.3% | 265,122 | $24.2M |
| D. E. Shaw & Co. | 0.02% | Add +304.0% | 242,643 | $23.5M |
| Nomura Asset Management Co. Ltd. | 0.06% | New | 239,900 | $23.3M |
| Prudential Financial Inc. | 0.03% | Add +76.3% | 238,732 | $23.2M |
| Wells Fargo & Company | 0.00% | Reduce -28.8% | 224,531 | $21.8M |
| AQR Capital Management | 0.01% | Add +5.0% | 215,013 | $20.9M |
| Two Sigma Investments, LP | 0.02% | Add +87.7% | 213,456 | $20.7M |
| Rhumbline Advisers | 0.02% | Add +0.3% | 204,980 | $19.9M |
| Citadel Advisors | 0.01% | Add +4.1% | 200,874 | $19.5M |
| Federated Hermes, Inc. | 0.03% | Add +472.9% | 200,528 | $19.4M |
| UBS Group AG | 0.00% | Reduce -29.3% | 200,381 | $19.4M |
| Trexquant Investment LP | 0.13% | Add +119.1% | 190,878 | $18.5M |
| Pinnacle Associates Ltd. | 0.24% | Reduce -20.9% | 189,562 | $18.4M |
| Legal & General Group Plc | 0.00% | Reduce -8.4% | 185,084 | $18.0M |
| Millennium Management | 0.01% | Add +119.7% | 180,937 | $17.5M |
| First Eagle Investment Management, LLC | 0.03% | Reduce -33.2% | 179,848 | $17.4M |
| Acadian Asset Management LLC | 0.02% | Add +153.6% | 172,200 | $16.7M |
| Man Group plc | 0.03% | Add +2042.2% | 161,011 | $15.6M |
| Qube Research & Technologies Ltd | 0.02% | New | 160,369 | $15.6M |
| Deutsche Bank AG | 0.01% | Reduce -26.6% | 160,093 | $15.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.6% | 157,769 | $15.3M |
| Citigroup Inc. | 0.01% | Add +561.3% | 154,622 | $15.0M |
| Swiss National Bank | 0.01% | Add +0.8% | 153,400 | $14.9M |
| American Century Companies Inc. | 0.01% | Reduce -12.8% | 152,645 | $14.8M |
| KADENSA CAPITAL Ltd | 2.00% | New | 147,926 | $14.3M |
| Tudor Investment Corporation | 0.07% | Add +178.4% | 141,282 | $13.7M |
| Peregrine Capital Management LLC | 0.47% | Reduce -27.8% | 131,096 | $12.7M |
| BNP Paribas Financial Markets | 0.01% | Add +25.9% | 120,820 | $11.7M |
| California Public Employees Retirement System | 0.01% | New | 116,977 | $11.3M |
| Barclays PLC | 0.00% | Reduce -10.7% | 109,667 | $10.6M |
| HRT Financial LP | 0.03% | Add +205.3% | 103,326 | $10.0M |
| Squarepoint Ops LLC | 0.02% | Add +497.6% | 101,752 | $9.9M |
| First Trust Advisors LP | 0.01% | Add +410.9% | 100,373 | $9.7M |
| Marshall Wace, LLP | 0.01% | Add +45.3% | 99,719 | $9.7M |
| Russell Investments Group, Ltd. | 0.01% | Add +107.1% | 92,253 | $8.9M |
| California State Teachers Retirement System | 0.01% | Add +22.3% | 89,629 | $8.7M |
| CANADA LIFE ASSURANCE Co | 0.02% | Reduce -6.7% | 87,739 | $8.5M |
| Allspring Global Investments Holdings, LLC | 0.01% | Reduce -47.5% | 83,511 | $8.4M |
| Susquehanna Portfolio Strategies, LLC | 0.12% | Reduce -5.0% | 84,887 | $8.2M |
| Wellington Management Group LLP | 0.00% | New | 80,333 | $7.8M |
| Intech Investment Management LLC | 0.07% | Add +58.0% | 76,890 | $7.5M |
| HERALD INVESTMENT MANAGEMENT Ltd | 1.02% | Reduce -30.5% | 75,300 | $7.3M |
| Informed Momentum Co LLC | 0.82% | Add +4.3% | 73,580 | $7.1M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -58.5% | 71,055 | $6.9M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.01% | — | 69,888 | $6.8M |
| Fifth Third Bancorp | 0.01% | Add +184.1% | 66,370 | $6.4M |
| Algert Global LLC | 0.10% | Reduce -17.2% | 66,060 | $6.4M |
| Creative Planning | 0.00% | Add +40.7% | 62,132 | $6.0M |
| Hillsdale Investment Management Inc. | 0.16% | Add +43978.6% | 61,710 | $6.0M |
| Jump Financial, LLC | 0.10% | New | 60,600 | $5.9M |
| Farallon Capital Management, L.L.C. | 0.03% | New | 56,500 | $5.5M |
| State of Wisconsin Investment Board | 0.01% | Reduce -25.2% | 54,861 | $5.3M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -2.9% | 51,741 | $5.0M |
| PDT Partners, LLC | 0.29% | No change | 51,112 | $5.0M |
| Pier Capital, LLC | 0.82% | Reduce -40.8% | 51,061 | $5.0M |
| Bridgewater Associates | 0.02% | Add +93.3% | 50,221 | $4.9M |
"% of holder's portfolio" is FORM's weight in each manager's 13F, not the share of Formfactor Inc. the manager owns.