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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, Q4 2025

Institutional positions in Formfactor Inc as of Dec 31, 2025. 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
335
+64 vs. Q3 2025
Shares held
76.0M
+1.06M (+1.4%) vs. Q3 2025
Total value
$4.24B
+$1.51B (+55.4%) vs. Q3 2025
New holders
94
101 more added
Sold out
30
106 more reduced

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2025: 335 institutions
Q1 2021: 248 institutionsQ2 2021: 230 institutionsQ3 2021: 227 institutionsQ4 2021: 232 institutionsQ1 2022: 238 institutionsQ2 2022: 237 institutionsQ3 2022: 240 institutionsQ4 2022: 210 institutionsQ1 2023: 224 institutionsQ2 2023: 233 institutionsQ3 2023: 232 institutionsQ4 2023: 246 institutionsQ1 2024: 264 institutionsQ2 2024: 310 institutionsQ3 2024: 320 institutionsQ4 2024: 300 institutionsQ1 2025: 277 institutionsQ2 2025: 301 institutionsQ3 2025: 277 institutionsQ4 2025: 335 institutionsQ1 2026: 396 institutionsQ2 2026: 511 institutions
Value heldQ4 2025: $4.24B
Q1 2021: $3.21BQ2 2021: $2.57BQ3 2021: $2.69BQ4 2021: $3.32BQ1 2022: $3.11BQ2 2022: $2.88BQ3 2022: $1.84BQ4 2022: $1.64BQ1 2023: $2.39BQ2 2023: $2.51BQ3 2023: $2.64BQ4 2023: $3.20BQ1 2024: $3.46BQ2 2024: $4.54BQ3 2024: $3.41BQ4 2024: $3.35BQ1 2025: $2.14BQ2 2025: $2.60BQ3 2025: $2.73BQ4 2025: $4.24BQ1 2026: $7.14BQ2 2026: $11.4B
Institutions holding FORM and their total value by quarter
QuarterHoldersValue
Q2 2026511$11.4B
Q1 2026396$7.14B
Q4 2025335$4.24B
Q3 2025277$2.73B
Q2 2025301$2.60B
Q1 2025277$2.14B
Q4 2024300$3.35B
Q3 2024320$3.41B
Q2 2024310$4.54B
Q1 2024264$3.46B
Q4 2023246$3.20B
Q3 2023232$2.64B
Q2 2023233$2.51B
Q1 2023224$2.39B
Q4 2022210$1.64B
Q3 2022240$1.84B
Q2 2022237$2.88B
Q1 2022238$3.11B
Q4 2021232$3.32B
Q3 2021227$2.69B
Q2 2021230$2.57B
Q1 2021248$3.21B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Formfactor Inc; share changes are against Q3 2025.

Institutions holding FORM in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Xponance, Inc.6,630$369.8K0.00%+519+8.5%Added
VARCOV Co.6,547$365.2K0.14%+6,547New
O'Shaughnessy Asset Management, LLC6,379$355.8K0.00%+6,379New
Ameritas Investment Partners, Inc.6,327$352.9K0.01%−373−5.6%Reduced
Pallas Capital Advisors LLC6,047$337.3K0.01%00.0%Unchanged
Tower Research Capital LLC (TRC)5,896$328.9K0.01%+4,175+242.6%Added
Two Sigma Securities, LLC5,794$323.2K0.04%−2,812−32.7%Reduced
RSM US Wealth Management LLC5,655$322.9K0.00%+5,655New
Skopos Labs, Inc.5,250$301.5K0.01%+5,250New
Beverly Hills Private Wealth, LLC5,306$296.0K0.05%+5,306New
Bank of Montreal5,243$292.5K0.00%+5,243New
Commonwealth Equity Services, LLC5,236$292.1K0.00%+5,236New
GAMMA Investing LLC5,184$289.2K0.01%+579+12.6%Added
Abel Hall, LLC5,169$288.3K0.07%+5,169New
CIBC World Markets Corp5,156$287.6K0.00%+5,156New
Savant Capital, LLC5,057$282.1K0.00%+5,057New
Crossmark Global Holdings, Inc.4,994$278.6K0.00%+4,994New
Headlands Technologies LLC4,964$276.9K0.02%+4,964New
D.A. Davidson & Co.4,951$276.2K0.00%+4,951New
Boothbay Fund Management, LLC4,851$270.6K0.01%+4,851New
MML Investors Services, LLC4,768$266.0K0.00%+4,768New
Kestra Private Wealth Services, LLC4,766$265.8K0.00%+4,766New
Ensign Peak Advisors, Inc4,725$263.6K0.00%−6,550−58.1%Reduced
Sciencast Management LP4,710$262.7K0.04%+4,710New
Rockefeller Capital Management L.P.4,622$257.8K0.00%+891+23.9%Added
Callan Family Office, LLC4,592$256.1K0.01%+4,592New
Cim Investment Mangement Inc4,578$255.4K0.07%+4,578New
Vident Advisory, LLC4,523$252.3K0.00%−1,099−19.5%Reduced
Massar Capital Management, LP4,500$251.0K0.05%+4,500New
CI Private Wealth, LLC4,389$244.8K0.00%−1,243−22.1%Reduced
Zacks Investment Management4,315$240.7K0.00%+4,315New
Journey Strategic Wealth LLC4,182$233.3K0.01%+4,182New
Kemnay Advisory Services Inc.4,081$227.6K0.03%+4,081New
New Age Alpha Advisors, LLC4,018$224.1K0.01%−1,993−33.2%Reduced
Fieldview Capital Management, LLC3,733$208.2K0.04%+3,733New
PharVision Advisers, LLC3,701$206.4K0.10%+3,701New
Advisor Group Holdings, Inc.3,650$203.6K0.00%+930+34.2%Added
LRI Investments, LLC2,842$158.5K0.01%−889−23.8%Reduced
Smartleaf Asset Management LLC2,641$150.8K0.01%+841+46.7%Added
KBC Group NV2,532$141.0K0.00%00.0%Unchanged
US Bancorp2,386$133.1K0.00%+5+0.2%Added
Signaturefd, LLC2,344$130.7K0.00%+13+0.6%Added
Nisa Investment Advisors, LLC2,238$124.8K0.00%+130+6.2%Added
Pinnacle Wealth Planning Services, Inc.1,954$109.0K0.01%+1,954New
Hantz Financial Services, Inc.1,671$93.0K0.00%+628+60.2%Added
Sterling Capital Management LLC1,511$84.3K0.00%+12+0.8%Added
Versant Capital Management, Inc1,313$73.2K0.01%00.0%Unchanged
EverSource Wealth Advisors, LLC1,141$63.6K0.00%−393−25.6%Reduced
Jones Financial Companies LLLP1,065$59.4K0.00%+75+7.6%Added
Clearstead Advisors, LLC1,050$58.6K0.00%+389+58.9%Added
Wellington Grp LLC1,048$58.5K0.02%+1,048New
BNP PARIBAS ASSET MANAGEMENT Holding S.A.974$54.0K0.00%+352+56.6%Added
Kestra Advisory Services, LLC956$53.3K0.00%+956New
Public Employees Retirement System of Ohio849$47.4K0.00%−62−6.8%Reduced
Torren Management, LLC739$41.2K0.02%+739New
Massmutual Trust Co FSB725$40.4K0.00%−2−0.3%Reduced
Salomon & Ludwin, LLC621$38.9K0.00%00.0%Unchanged
Advisors Asset Management, Inc.580$32.4K0.00%−11−1.9%Reduced
Parallel Advisors, LLC542$30.2K0.00%00.0%Unchanged
Essential Partners LLC516$28.8K0.01%+7+1.4%Added
Umb Bank N A499$27.8K0.00%+281+128.9%Added
SRS Capital Advisors, Inc.485$27.1K0.00%−4,104−89.4%Reduced
Los Angeles Capital Management LLC429$25.4K0.00%+429New
Flagship Harbor Advisors, LLC435$24.3K0.00%+435New
SBI Securities Co., Ltd.433$24.2K0.00%−61−12.3%Reduced
Larson Financial Group LLC403$22.5K0.00%00.0%Unchanged
Covestor Ltd370$21.0K0.01%00.0%Unchanged
Allworth Financial LP372$20.8K0.00%+147+65.3%Added
Parkside Financial Bank & Trust344$19.2K0.00%+55+19.0%Added
Farther Finance Advisors, LLC309$17.2K0.00%+216+232.3%Added
Geneos Wealth Management Inc.300$16.7K0.00%00.0%Unchanged
Key Financial Inc298$16.6K0.00%00.0%Unchanged
True Wealth Design, LLC286$16.0K0.00%−1−0.3%Reduced
Quarry LP249$13.9K0.00%+249New
HHM Wealth Advisors, LLC221$12.3K0.00%00.0%Unchanged
Sunbelt Securities, Inc.208$11.6K0.00%+70+50.7%Added
Rothschild Investment LLC194$10.8K0.00%+24+14.1%Added
Root Financial Partners, LLC180$10.0K0.00%+98+119.5%Added
Ancora Advisors, LLC152$8.48K0.00%+152New
Bare Financial Services, Inc142$7.92K0.00%+9+6.8%Added
Bell Investment Advisors, Inc142$7.92K0.00%+75+111.9%Added
Hillsdale Investment Management Inc.140$7.81K0.00%+140New
Ameriflex Group, Inc.131$7.31K0.00%−131−50.0%Reduced
IFP Advisors, Inc118$6.58K0.00%−400−77.2%Reduced
Danske Bank A/S100$5.58K0.00%00.0%Unchanged
Quantbot Technologies LP100$5.58K0.00%+100New
C M Bidwell & Associates Ltd93$5.19K0.00%+93New
Optiver Holding B.V.86$4.80K0.00%−187−68.5%Reduced
Bravera Wealth86$4.80K0.00%+86New
Fortitude Family Office, LLC74$4.13K0.00%+10+15.6%Added
Assetmark, Inc73$4.07K0.00%+12+19.7%Added
CVA Family Office, LLC62$3.46K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.62$3.46K0.00%+62New
Northwestern Mutual Wealth Management Co59$3.29K0.00%+59New
Trust Co of Vermont57$3.18K0.00%00.0%Unchanged
Optima Capital LLC54$3.01K0.00%+54New
Annis Gardner Whiting Capital Advisors, LLC52$2.90K0.00%00.0%Unchanged
Sound Income Strategies, LLC37$2.90K0.00%+37New
Farmers & Merchants Investments Inc51$2.85K0.00%00.0%Unchanged
UMA Financial Services, Inc.51$2.85K0.00%+12+30.8%Added