Who owns FormFactor, Inc.?
Institutional ownership of FORM from SEC Form 13F filings across 329 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
329
13F holders
$8.36B
value, 2026 filers
71%
of shares outstanding (55.3M sh)
86
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of FORM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 10.5M | $1.68B | 0.0% | 13.4% | -14.4% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2M | $838.4M | 0.0% | 6.7% | -10.8% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 3.5M | $562.2M | 0.0% | 4.5% | -49.4% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $294.5M | 0.0% | 2.4% | -16.2% |
| 5 | BANK OF AMERICA CORP /DE/ | 1.8M | $285.3M | 0.0% | 2.3% | -28.1% |
| 6 | PRIMECAP MANAGEMENT CO/CA/ | 1.7M | $270.3M | 0.2% | 2.2% | -5.5% |
| 7 | Invesco Ltd. | 1.6M | $252.5M | 0.0% | 2% | +27.5% |
| 8 | ALLIANCEBERNSTEIN L.P. | 1.5M | $141.3M | 0.0% | 1.9% | -34.7% |
| 9 | SEI INVESTMENTS CO | 1.3M | $214.8M | 0.2% | 1.7% | -20.2% |
| 10 | JANE STREET GROUP, LLC | 1.3M | $209.5M | 0.0% | 1.7% | +41.5% |
| 11 | NORGES BANKNEW | 1.0M | $163.8M | 0.0% | 1.3% | new |
| 12 | MORGAN STANLEY | 899,947 | $143.9M | 0.0% | 1.2% | -31.2% |
| 13 | GF FUND MANAGEMENT CO. LTD. | 776,000 | $124.1M | 1.5% | 1% | +6366.7% |
| 14 | Sixth Street Partners Management Company, L.P.NEW | 750,027 | $120.0M | 20.7% | 1% | new |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 750,027 | $120.0M | 0.0% | 1% | -20.8% |
| 16 | PRICE T ROWE ASSOCIATES INC /MD/ | 721,754 | $115,431 | 0.0% | 0.9% | -14.1% |
| 17 | MILLENNIUM MANAGEMENT LLC | 670,867 | $107.3M | 0.0% | 0.9% | +270.8% |
| 18 | GOLDMAN SACHS GROUP INC | 661,399 | $105.8M | 0.0% | 0.8% | -24.3% |
| 19 | Pictet Asset Management Holding SA | 653,999 | $104.3M | 0.1% | 0.8% | +5215.8% |
| 20 | Bank of New York Mellon Corp | 649,307 | $103.8M | 0.0% | 0.8% | +2.5% |
| 21 | Nuveen, LLC | 649,293 | $103.8M | 0.0% | 0.8% | -23.6% |
| 22 | NORTHERN TRUST CORP | 588,018 | $94.0M | 0.0% | 0.8% | -29.6% |
| 23 | Public Sector Pension Investment Board | 535,736 | $85.7M | 0.2% | 0.7% | +93.2% |
| 24 | WT Asset Management LtdNEW | 534,492 | $85.5M | 1.7% | 0.7% | new |
| 25 | VANGUARD FIDUCIARY TRUST CO | 504,235 | $80.6M | 0.0% | 0.6% | -5.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.