FormFactor Ownership | Who Owns FormFactor?
FormFactor Ownership Summary
FormFactor is owned by 93.13% institutional investors, 0.78% insiders, and 6.09% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 13.47% of FORM shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.96% of its assets in FormFactor shares.
FORM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | FormFactor | 93.13% | 0.78% | 6.09% |
| Sector | Technology Stocks | 78.14% | 14.97% | 6.89% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 10.48M | 13.47% | $1.68B |
| Vanguard group | 10.22M | 13.21% | $570.16M |
| Earnest partners | 3.76M | 4.84% | $601.85M |
| Vanguard capital management | 3.52M | 4.52% | $562.19M |
| State street | 2.58M | 3.32% | $412.86M |
| Polar capital | 2.15M | 2.76% | $343.23M |
| Geode capital management | 1.80M | 2.31% | $270.64M |
| Bank of america corp /de/ | 1.78M | 2.29% | $285.26M |
| Primecap management co/ca/ | 1.69M | 2.17% | $270.30M |
| Invesco | 1.58M | 2.03% | $252.45M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Grand alliance asset management | 74.65K | 7.17% | $11.94M |
| Panview capital | 228.65K | 6.44% | $36.57M |
| Shannon river fund management | 968.16K | 5.68% | $35.26M |
| Tremblant capital group | 713.45K | 3.28% | $114.10M |
| Scalar gauge management | 33.00K | 2.91% | $5.28M |
| Needham investment management | 547.50K | 2.63% | $87.56M |
| Corvid peak capital management | 24.50K | 2.42% | $3.92M |
| Reinhart partners | 659.67K | 2.40% | $98.49M |
| Amitell capital pte | 15.27K | 2.18% | $2.28M |
| Earnest partners | 3.76M | 2.17% | $601.85M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Norges bank | 1.02M | 0.02% | 1.02M |
| Shannon river fund management | 968.16K | 5.68% | 968.16K |
| Sixth street partners management company | 750.03K | 0.02% | 750.03K |
| Tremblant capital group | 713.45K | 3.28% | 713.45K |
| Millennium management | 670.87K | 0.04% | 489.93K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 10.48M | 0.02% | -1.76M |
| Earnest partners | 3.76M | 2.17% | -1.11M |
| Ameriprise financial | 435.96K | 0.01% | -968.40K |
| Alliancebernstein | 1.46M | 0.05% | -774.47K |
| Bank of america corp /de/ | 1.78M | 0.02% | -697.42K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.02M | 0.02% | 1.02M | $163.78M |
| Shannon river fund management | 968.16K | 5.68% | 968.16K | $35.26M |
| Sixth street partners management company | 750.03K | 0.02% | 750.03K | $119.95M |
| Tremblant capital group | 713.45K | 3.28% | 713.45K | $114.10M |
| Capital world investors | 411.03K | 0.01% | 411.03K | $65.74M |
Sold Out
| Holder | Change |
|---|---|
| Steward partners investment advisory | -1.00 |
| Curio wealth | -1.00 |
| Thurston, springer, miller, herd & titak | -2.00 |
| Wealth preservation advisors | -3.00 |
| Cbiz investment advisory services | -3.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 523 | 27.25% | 72,479,485 | -2.85% | 93 | 1.00% | 300 | 25.00% | 172 | 43.33% |
| Mar 31, 2026 | 343 | 0.29% | 59,795,744 | -21.34% | 77 | 0.81% | 198 | 1.54% | 104 | -3.70% |
| Dec 31, 2025 | 103 | -63.73% | 15,476,595 | -79.37% | 20 | 0.21% | 52 | -60.90% | 33 | -68.57% |
| Sep 30, 2025 | 110 | -63.93% | 22,602,276 | -70.00% | 29 | 0.31% | 39 | -75.78% | 49 | -51.49% |
| Jun 30, 2025 | 300 | 6.76% | 75,260,965 | -0.29% | 97 | 1.02% | 160 | 10.34% | 97 | 6.59% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.65M | 5.96% | 966.00 |
| iShares Core S&P Mid-Cap ETF | 2.81M | 3.58% | 1.51K |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.48M | 3.18% | 6.64K |
| Vanguard Morn Total Stk Mkt Idx Investor | 2.48M | 3.18% | -5.85K |
| Vanguard Total Stock Mkt Idx Inv | 2.48M | 3.18% | -5.85K |
| Vanguard US Total Market Shares ETF | 2.45M | 3.18% | 1.94K |
| iShares Russell 2000 ETF | 1.86M | 2.39% | 17.21K |
| Vanguard Small Cap Index | 1.76M | 2.25% | -35.16K |
| EARNEST Partners Smid Cap Core Founders | 1.47M | 1.88% | -107.02K |
| Polar Capital Global Tech Inc | 1.30M | 1.66% | 86.03K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 14, 2026 | SLESSOR MIKE | CEO | Sell | $151.10K |
| Oct 14, 2026 | SLESSOR MIKE | CEO | Sell | $965.65K |
| Oct 14, 2026 | SLESSOR MIKE | CEO | Sell | $272.68K |
| Sep 16, 2026 | SLESSOR MIKE | CEO | Sell | $105.80K |
| Sep 16, 2026 | SLESSOR MIKE | CEO | Sell | $910.92K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 3 |
| 2026 Q3 | - | 16 |
| 2026 Q2 | - | 31 |
| 2026 Q1 | - | 19 |
| 2025 Q4 | - | 6 |
FORM Ownership FAQ
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