Formfactor Inc
FORM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001039399
In the last 90 days, Formfactor Inc insiders filed 0 open-market purchases and 4 sales; 511 institutions reported holding it in 13F filings for Q2 2026, worth $11.4B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Formfactor Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 396
- +68 vs. Q4 2025
- Shares held
- 74.6M
- +9.42M (+14.5%) vs. Q4 2025
- Total value
- $7.14B
- +$3.50B (+96.3%) vs. Q4 2025
- New holders
- 107
- 133 more added
- Sold out
- 39
- 117 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting FORM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 511 | $11.4B |
| Q1 2026 | 396 | $7.14B |
| Q4 2025 | 335 | $4.24B |
| Q3 2025 | 277 | $2.73B |
| Q2 2025 | 301 | $2.60B |
| Q1 2025 | 277 | $2.14B |
| Q4 2024 | 300 | $3.35B |
| Q3 2024 | 320 | $3.41B |
| Q2 2024 | 310 | $4.54B |
| Q1 2024 | 264 | $3.46B |
| Q4 2023 | 246 | $3.20B |
| Q3 2023 | 232 | $2.64B |
| Q2 2023 | 233 | $2.51B |
| Q1 2023 | 224 | $2.39B |
| Q4 2022 | 210 | $1.64B |
| Q3 2022 | 240 | $1.84B |
| Q2 2022 | 237 | $2.88B |
| Q1 2022 | 238 | $3.11B |
| Q4 2021 | 232 | $3.32B |
| Q3 2021 | 227 | $2.69B |
| Q2 2021 | 230 | $2.57B |
| Q1 2021 | 248 | $3.21B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Formfactor Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −74,495−100.0% | Sold out |
| Sora Investors LLC | 0 | $0 | 0.00% | −60,699−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −38,775−100.0% | Sold out |
| Polymer Capital Management (US) LLC | 0 | $0 | 0.00% | −35,319−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −28,652−100.0% | Sold out |
| CastleKnight Management LP | 0 | $0 | 0.00% | −27,800−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −26,019−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −24,910−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −21,280−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −21,200−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −15,863−100.0% | Sold out |
| Sunstone Asset Management, L.P. | 0 | $0 | 0.00% | −15,409−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −12,684−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −9,236−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −7,115−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −6,710−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −5,794−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −4,851−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −4,766−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −4,710−100.0% | Sold out |
| Massar Capital Management, LP | 0 | $0 | 0.00% | −4,500−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −3,733−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −3,701−100.0% | Sold out |
| LRI Investments, LLC | 0 | $0 | 0.00% | −2,842−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −956−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −435−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −249−100.0% | Sold out |
| Ameriflex Group, Inc. | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −54−100.0% | Sold out |
| Tompkins Financial Corp | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| Financial Network Wealth Advisors LLC | 0 | $0 | 0.00% | −31−100.0% | Sold out |
| ROSS\JOHNSON & Associates LLC | 0 | $0 | 0.00% | −13−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Trust Co of Vermont | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |