FORMFACTOR INC (FORM) Stock

TechnologySemiconductor Equipment & Materials Website

8 of the hedge funds AlphaScala tracks reported FORM in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Millennium Management's at $107.29M. Company insiders reported 0 open-market buys and 13 sales on SEC Form 4 in the 90 days to Oct 21, 2026.

Which hedge funds own FORM?

From 13F filings
FundShares HeldPosition ValueChange vs prior Q
Millennium Management
Israel Englander
671K$107.29M+271%
D.E. Shaw
David Shaw
421K$67.39M+74%
Renaissance Technologies
Jim Simons (founder)
296K$47.27MNEW
Citadel
Ken Griffin
240K$38.43M+20%
Marshall Wace191K$30.55M+92%
Bridgewater Associates
Ray Dalio
163K$26.00M+224%
Point72
Steve Cohen
124K$19.91M+342%
Maverick Capital
Lee Ainslie
5K$728.3KNEW

13F holdings as of Jun 30, 2026

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Are FORMFACTOR INC insiders buying or selling?

SEC Form 4 filings
90 days to Oct 21, 2026
Buys
0
Sells
13
Net $
-$5.5M
Unique insiders
2
DateInsiderRoleTypeSharesValue
Oct 14, 26Slessor MikeCEOSELL2.2K$273K
Oct 14, 26Slessor MikeCEOSELL7.7K$966K
Oct 14, 26Slessor MikeCEOSELL1.2K$151K
Sep 16, 26Slessor MikeCEOSELL8.7K$911K
Sep 16, 26Slessor MikeCEOSELL7.8K$817K
Sep 16, 26Slessor MikeCEOSELL1.0K$106K
Sep 3, 26Steven-Waiss KelleyDirectorSELL2.1K$202K
Aug 14, 26Slessor MikeCEOSELL2.5K$319K
Aug 14, 26Slessor MikeCEOSELL2.9K$375K
Aug 14, 26Slessor MikeCEOSELL3.3K$428K

SEC Form 4 filings as of Oct 21, 2026

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What does FORMFACTOR INC do?

FormFactor Inc. provides electrical and optical test and measurement solutions for semiconductor manufacturers throughout the product lifecycle, from design and characterization through qualification and production. The company operates through two primary segments: Probe Cards and Systems. Its Probe Cards segment delivers probe cards and analytical probes designed to test various semiconductor device types, including processors, microcontrollers, graphic processors, and radio frequency components. The Systems segment offers probe stations, thermal systems, and cryogenic equipment for on-wafer, board, and package testing. FormFactor serves a diversified customer base across the Foundry/Logic and Dynamic Random Access Memory markets globally. Headquartered in Livermore, California, and founded in 1993, the company continues to expand its technological capabilities, including advanced test solutions for emerging applications in silicon photonics and high-bandwidth memory sectors. FormFactor's products enable chip manufacturers to validate device performance, reliability, and quality with precision at multiple stages of semiconductor production and development.

CEO
Dr. Michael D. Slessor Ph.D.
Employees
2,153
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