FormFactor Ownership | Who Owns FormFactor?
FormFactor Ownership Summary
FormFactor is owned by 77.31% institutional investors, 0.73% insiders, and 21.97% 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 6.08% of its assets in FormFactor shares.
FORM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | FormFactor | 77.31% | 0.73% | 21.97% |
| Sector | Technology Stocks | 36.06% | 15.18% | 48.76% |
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 | 4.88M | 6.30% | $472.84M |
| State street | 2.58M | 3.32% | $412.86M |
| Polar capital | 2.29M | 2.96% | $222.33M |
| Alliancebernstein | 2.23M | 2.89% | $124.47M |
| Geode capital management | 2.19M | 2.83% | $212.23M |
| Primecap management co/ca/ | 1.79M | 2.31% | $173.48M |
| Sei investments | 1.68M | 2.17% | $163.17M |
| Dimensional fund advisors lp | 1.41M | 1.83% | $136.94M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Shannon river fund management | 968.16K | 5.68% | $35.26M |
| Needham investment management | 603.50K | 2.99% | $58.53M |
| Reinhart partners | 639.92K | 2.34% | $102.35M |
| Kadensa capital | 147.93K | 2.00% | $14.35M |
| Earnest partners | 4.88M | 1.95% | $472.84M |
| Andar capital management hk | 27.00K | 1.94% | $4.32M |
| Wt asset management | 534.49K | 1.69% | $85.48M |
| Hanseatic management services | 14.17K | 1.67% | $2.27M |
| Gf fund management | 776.00K | 1.49% | $124.11M |
| Lisanti capital growth | 41.43K | 1.46% | $6.63M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Polar capital | 2.29M | 0.79% | 2.29M |
| Shannon river fund management | 968.16K | 5.68% | 968.16K |
| Invesco | 1.24M | 0.02% | 905.44K |
| Alliancebernstein | 2.23M | 0.04% | 816.85K |
| Jane street group | 925.62K | 0.01% | 807.08K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 10.48M | 0.02% | -1.76M |
| Hood river capital management | - | - | -1.63M |
| Morgan stanley | 1.31M | 0.01% | -962.64K |
| Earnest partners | 4.88M | 1.95% | -899.83K |
| Royce & associates lp | 451.86K | 0.43% | -706.03K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Polar capital | 2.29M | 0.79% | 2.29M | $222.33M |
| Shannon river fund management | 968.16K | 5.68% | 968.16K | $35.26M |
| Norges bank | 563.84K | 0.00% | 563.84K | $31.45M |
| Wt asset management | 534.49K | 1.69% | 534.49K | $85.48M |
| Vanguard fiduciary trust | 530.78K | 0.01% | 530.78K | $51.48M |
Sold Out
| Holder | Change |
|---|---|
| Curio wealth | -1.00 |
| Steward partners investment advisory | -1.00 |
| Thurston, springer, miller, herd & titak | -2.00 |
| Cbiz investment advisory services | -3.00 |
| Claris advisors, llc / mo / | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 11 | -96.45% | 1,938,858 | -97.45% | 2 | 0.03% | 6 | -96.32% | 4 | -96.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.75M | 6.08% | -1.73K |
| 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 | 1.79M | 2.29% | -4.84K |
| EARNEST Partners Smid Cap Core Founders | 1.47M | 1.88% | -107.02K |
| Polar Capital Global Tech Inc | 1.33M | 1.71% | - |
| EARNEST Partners Smid Cap Core Fdrs | 1.19M | 1.52% | - |
| Vanguard Information Technology ETF | 1.14M | 1.46% | 8.33K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jul 15, 2026 | SLESSOR MIKE | CEO | Sell | $20.24K |
| Jul 15, 2026 | SLESSOR MIKE | CEO | Sell | $83.46K |
| Jul 15, 2026 | SLESSOR MIKE | CEO | Sell | $193.69K |
| Jul 15, 2026 | SLESSOR MIKE | CEO | Sell | $121.34K |
| Jul 15, 2026 | SLESSOR MIKE | CEO | Sell | $36.17K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 6 |
| 2026 Q2 | - | 31 |
| 2026 Q1 | - | 19 |
| 2025 Q4 | - | 6 |
| 2025 Q3 | - | 3 |
FORM Ownership FAQ
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