FORMFACTOR INC (FORM) Stock
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| Fund | Shares Held | Position Value | Change 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 | $47.27M | NEW |
| Citadel Ken Griffin | 240K | $38.43M | +20% |
| Marshall Wace | 191K | $30.55M | +92% |
| Bridgewater Associates Ray Dalio | 163K | $26.00M | +224% |
| Point72 Steve Cohen | 124K | $19.91M | +342% |
| Maverick Capital Lee Ainslie | 5K | $728.3K | NEW |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are FORMFACTOR INC insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Oct 14, 26 | Slessor Mike | CEO | SELL | 2.2K | $273K |
| Oct 14, 26 | Slessor Mike | CEO | SELL | 7.7K | $966K |
| Oct 14, 26 | Slessor Mike | CEO | SELL | 1.2K | $151K |
| Sep 16, 26 | Slessor Mike | CEO | SELL | 8.7K | $911K |
| Sep 16, 26 | Slessor Mike | CEO | SELL | 7.8K | $817K |
| Sep 16, 26 | Slessor Mike | CEO | SELL | 1.0K | $106K |
| Sep 3, 26 | Steven-Waiss Kelley | Director | SELL | 2.1K | $202K |
| Aug 14, 26 | Slessor Mike | CEO | SELL | 2.5K | $319K |
| Aug 14, 26 | Slessor Mike | CEO | SELL | 2.9K | $375K |
| Aug 14, 26 | Slessor Mike | CEO | SELL | 3.3K | $428K |
SEC Form 4 filings as of Oct 21, 2026
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Powered by TradingViewWhat 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.