Equibles

FORM

Formfactor Inc

Company with tickers: FORM

CIK
1039399
CUSIP
346375108
Shares Outstanding
77,954,772
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 387
Total Value: $6,097,134,765
Total Shares: 62,863,543
Showing 1–100 of 399 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 387 13F filers · Δ vs Dec 31, 2025
Top Holder
19.5%
+0.9 pts
Top 5
39.5%
−0.5 pts
Top 10
54.3%
+0.2 pts
HHI
576
Broadly held +11

Quarterly Activity

vs Dec 31, 2025
New
375
Increased
7
Decreased
3
Sold Out
324
Unchanged
2
Holder count: +51
Institutional value: +75.5%
Shares held: +0.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
Large HRT FINANCIAL LP +69,477 103,326
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC +19,096 35,169
Small Caitong International Asset Management Co., Ltd +4,657 4,685
Small Informed Momentum Co LLC +3,026 73,580
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. +352 1,326

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mega VICTORY CAPITAL MANAGEMENT INC −890,735 365,810
Mega GOLDMAN SACHS GROUP INC −11,206 873,521
Large Rockefeller Capital Management L.P. −1,150 3,472

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Mega BlackRock, Inc. 12,247,574 $1,187,892,193
Large EARNEST PARTNERS LLC 4,875,165 $472,842,253
Mega STATE STREET CORP 2,928,139 $284,000,201
Mega BANK OF AMERICA CORP /DE/ 2,481,059 $240,637,910
Large Polar Capital Holdings Plc 2,292,313 $222,331,437

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD)
Mega BlackRock, Inc. 11,569,639 $645,354,456
Large EARNEST PARTNERS LLC 5,774,992 $322,129,053
Mega STATE STREET CORP 2,869,544 $160,063,164
Mega BANK OF AMERICA CORP /DE/ 2,516,390 $140,364,231
Mid REINHART PARTNERS, INC. 2,152,348 $120,057,971
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mega BlackRock, Inc. $1,187,892,193 19.48% 12,247,574 View
Large EARNEST PARTNERS LLC $472,842,253 7.76% 4,875,165 View
Mega STATE STREET CORP $284,000,201 4.66% 2,928,139 View
Mega BANK OF AMERICA CORP /DE/ $240,637,910 3.95% 2,481,059 View
Large Polar Capital Holdings Plc $222,331,437 3.65% 2,292,313 View
Mega ALLIANCEBERNSTEIN L.P. $216,436,385 3.55% 2,231,533 View
Mega GEODE CAPITAL MANAGEMENT, LLC $212,201,025 3.48% 2,187,865 View
Mega PRIMECAP MANAGEMENT CO/CA/ $173,480,581 2.85% 1,788,644 View
Large SEI INVESTMENTS CO $163,168,410 2.68% 1,682,322 View
Mega DIMENSIONAL FUND ADVISORS LP $136,961,419 2.25% 1,412,119 View
Mega AMERIPRISE FINANCIAL INC $136,208,776 2.23% 1,404,359 View
Mega Invesco Ltd. $120,108,826 1.97% 1,238,363 View
Mid REINHART PARTNERS, LLC. $112,479,109 1.84% 1,159,698 View
Large FULLER & THALER ASSET MANAGEMENT, INC. $110,312,158 1.81% 1,137,356 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $91,902,292 1.51% 947,544 View
Mega JANE STREET GROUP, LLC $89,775,591 1.47% 925,617 View
Mega GOLDMAN SACHS GROUP INC $84,722,798 1.39% 873,521 View
Mega T. Rowe Price Investment Management, Inc. $82,716,272 1.36% 852,833 View
Mega Nuveen, LLC $82,414,050 1.35% 849,717 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $81,532,800 1.34% 840,631 View
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $71,126,451 1.17% 733,338 View
Mega Bank of New York Mellon Corp $61,447,330 1.01% 633,543 View
Mid NEEDHAM INVESTMENT MANAGEMENT LLC $58,533,465 0.96% 603,500 View
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $49,333,187 0.81% 508,642 View
Mega FRANKLIN RESOURCES INC $47,890,459 0.79% 493,767 View
Mega MORGAN STANLEY $45,995,469 0.75% 474,229 View
Large NATIXIS ADVISORS, LLC $44,247,807 0.73% 456,210 View
Mid ROYCE & ASSOCIATES LP $43,826,192 0.72% 451,863 View
Mega ROYAL BANK OF CANADA $41,599,687 0.68% 428,907 View
Mega Fisher Asset Management, LLC $41,317,158 0.68% 425,994 View
Large Assenagon Asset Management S.A. $41,009,990 0.67% 422,827 View
Large BESSEMER GROUP INC $38,016,098 0.62% 391,959 View
Mega PRINCIPAL FINANCIAL GROUP INC $36,710,229 0.60% 378,495 View
Mega VICTORY CAPITAL MANAGEMENT INC $35,479,911 0.58% 365,810 View
Large Connor, Clark & Lunn Investment Management Ltd. $32,306,011 0.53% 333,086 View
Mega FMR LLC $31,602,445 0.52% 325,832 View
Mega ENVESTNET ASSET MANAGEMENT INC $27,269,514 0.45% 281,158 View
Large Public Sector Pension Investment Board $26,896,878 0.44% 277,316 View
Mega JPMORGAN CHASE & CO $25,714,180 0.42% 265,122 View
Large Select Equity Group, L.P. $24,966,583 0.41% 257,414 View
Mega D. E. Shaw & Co., Inc. $23,533,944 0.39% 242,643 View
Large NOMURA ASSET MANAGEMENT CO LTD $23,267,901 0.38% 239,900 View
Large PRUDENTIAL FINANCIAL INC $23,154,616 0.38% 238,732 View
Mega WELLS FARGO & COMPANY/MN $21,777,260 0.36% 224,531 View
Mega AQR CAPITAL MANAGEMENT LLC $20,854,109 0.34% 215,013 View
Mega TWO SIGMA INVESTMENTS, LP $20,703,097 0.34% 213,456 View
Mega RHUMBLINE ADVISERS $19,881,010 0.33% 204,980 View
Mega CITADEL ADVISORS LLC $19,482,769 0.32% 200,874 View
Large FEDERATED HERMES, INC. $19,449,210 0.32% 200,528 View
Mega UBS Group AG $19,434,951 0.32% 200,381 View
Large Trexquant Investment LP $18,513,257 0.30% 190,878 View
Mid PINNACLE ASSOCIATES LTD $18,385,618 0.30% 189,562 View
Mega Legal & General Group Plc $17,951,296 0.29% 185,084 View
Mega MILLENNIUM MANAGEMENT LLC $17,549,079 0.29% 180,937 View
Large First Eagle Investment Management, LLC $17,443,457 0.29% 179,848 View
Large ACADIAN ASSET MANAGEMENT LLC $16,701,678 0.27% 172,200 View
Large Man Group plc $15,616,456 0.26% 161,011 View
Large Qube Research & Technologies Ltd $15,554,189 0.26% 160,369 View
Mega DEUTSCHE BANK AG\ $15,527,418 0.25% 160,093 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $15,302,013 0.25% 157,769 View
Mega CITIGROUP INC $14,996,787 0.25% 154,622 View
Mega Swiss National Bank $14,878,266 0.24% 153,400 View
Mega AMERICAN CENTURY COMPANIES INC $14,805,038 0.24% 152,645 View
Small KADENSA CAPITAL Ltd $14,347,342 0.24% 147,926 View
Large TUDOR INVESTMENT CORP ET AL $13,702,941 0.22% 141,282 View
Mid PEREGRINE CAPITAL MANAGEMENT LLC $12,715,001 0.21% 131,096 View
Mega BNP PARIBAS ARBITRAGE, SA $11,718,331 0.19% 120,820 View
Mega California Public Employees Retirement System $11,345,599 0.19% 116,977 View
Mega BARCLAYS PLC $10,636,601 0.17% 109,667 View
Large HRT FINANCIAL LP $10,021,588 0.16% 103,326 View
Large Squarepoint Ops LLC $9,868,926 0.16% 101,752 View
Mega FIRST TRUST ADVISORS LP $9,735,177 0.16% 100,373 View
Large MARSHALL WACE, LLP $9,671,745 0.16% 99,719 View
Large Russell Investments Group, Ltd. $8,947,615 0.15% 92,253 View
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $8,693,116 0.14% 89,629 View
Large CANADA LIFE ASSURANCE Co $8,509,805 0.14% 87,739 View
Mid Susquehanna Portfolio Strategies, LLC $8,233,190 0.14% 84,887 View
Large Allspring Global Investments Holdings, LLC $8,099,731 0.13% 83,511 View
Mega WELLINGTON MANAGEMENT GROUP LLP $7,791,496 0.13% 80,333 View
Mid INTECH INVESTMENT MANAGEMENT LLC $7,457,561 0.12% 76,890 View
Small HERALD INVESTMENT MANAGEMENT Ltd $7,303,347 0.12% 75,300 View
Small Informed Momentum Co LLC $7,136,524 0.12% 73,580 View
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND $6,891,624 0.11% 71,055 View
Mega JANE STREET GROUP, LLC $6,886,290 0.11% 71,000 View
Large FIFTH THIRD BANCORP $6,437,226 0.11% 66,370 View
Mid ALGERT GLOBAL LLC $6,407,159 0.11% 66,060 View
Large Creative Planning $6,026,182 0.10% 62,132 View
Mid Hillsdale Investment Management Inc. $5,985,252 0.10% 61,710 View
Mid Jump Financial, LLC $5,877,594 0.10% 60,600 View
Large FARALLON CAPITAL MANAGEMENT LLC $5,479,935 0.09% 56,500 View
Small Kultura Capital Management LP $5,373,246 0.09% 55,400 View
Large STATE OF WISCONSIN INVESTMENT BOARD $5,320,968 0.09% 54,861 View
Mega CITADEL ADVISORS LLC $5,315,052 0.09% 54,800 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $5,082,276 0.08% 52,400 View
Large Thrivent Financial for Lutherans $5,018,359 0.08% 51,741 View
Mid PDT Partners, LLC $4,957,352 0.08% 51,112 View
Small Pier Capital, LLC $4,952,406 0.08% 51,061 View
Large Bridgewater Associates, LP $4,870,934 0.08% 50,221 View
Small Polymer Capital Management (US) LLC $4,849,500 0.08% 50,000 View
Large 1832 Asset Management L.P. $4,839,801 0.08% 49,900 View
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