FormFactor Ownership | Who Owns FormFactor?
FormFactor Ownership Summary
FormFactor is owned by 20.01% institutional investors, 0.88% insiders, and 79.11% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 14.96% of FORM shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.06% of its assets in FormFactor shares.
FORM Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | FormFactor | 20.01% | 0.88% | 79.11% |
| Sector | Technology Stocks | 35.36% | 13.13% | 51.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 11.57M | 14.96% | $645.35M |
| Vanguard group | 10.22M | 13.21% | $570.16M |
| Earnest partners | 5.77M | 7.44% | $322.13M |
| State street | 2.92M | 3.78% | $106.26M |
| Alliancebernstein | 2.40M | 3.10% | $87.30M |
| Morgan stanley | 2.27M | 2.94% | $126.71M |
| Geode capital management | 1.89M | 2.44% | $105.21M |
| Primecap management co/ca/ | 1.79M | 2.31% | $173.48M |
| Sei investments | 1.69M | 2.18% | $93.99M |
| 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 |
| Reinhart partners | 1.16M | 3.23% | $112.48M |
| Needham investment management | 740.00K | 1.88% | $26.95M |
| Decker retirement planning | 38.35K | 1.69% | $3.72M |
| Earnest partners | 5.77M | 1.38% | $322.13M |
| Hanseatic management services | 13.75K | 1.28% | $1.33M |
| Montanaro asset management | 125.00K | 1.14% | $4.55B |
| Pier capital | 86.30K | 0.77% | $4.81M |
| Lisanti capital growth | 29.30K | 0.72% | $2.84M |
| Herald investment management | 118.30K | 0.57% | $4.31M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Morgan stanley | 2.27M | 0.01% | 1.13M |
| Fuller & thaler asset management | 1.08M | 0.21% | 1.08M |
| Shannon river fund management | 968.16K | 5.68% | 968.16K |
| Invesco | 1.24M | 0.02% | 905.44K |
| Jane street group | 925.62K | 0.01% | 807.08K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Hood river capital management | - | - | -1.63M |
| Wellington management group llp | - | - | -1.16M |
| Reinhart partners | 1.16M | 3.23% | -992.65K |
| Silvercrest asset management group | 17.91K | 0.00% | -890.49K |
| Massachusetts financial services co /ma/ | 1.37M | 0.02% | -762.01K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Fuller & thaler asset management | 1.08M | 0.21% | 1.08M | $60.49M |
| Shannon river fund management | 968.16K | 5.68% | 968.16K | $35.26M |
| Norges bank | 563.84K | 0.00% | 563.84K | $31.45M |
| Vanguard fiduciary trust | 530.78K | 0.01% | 530.78K | $51.48M |
| Nomura asset management | 239.90K | 0.06% | 239.90K | $23.27M |
Sold Out
| Holder | Change |
|---|---|
| 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 |
| Global financial private client | -5.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 306 | -4.67% | 75,988,961 | 2.98% | 98 | 1.08% | 160 | -11.11% | 100 | -0.99% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.72M | 6.06% | 972.00 |
| Vanguard US Total Market Shares ETF | 2.45M | 3.18% | 1.94K |
| Vanguard Total Stock Mkt Idx Inv | 2.47M | 3.16% | 20.58K |
| iShares Russell 2000 ETF | 1.84M | 2.35% | 15.46K |
| Vanguard Small Cap Index | 1.80M | 2.31% | 38.19K |
| Polar Capital Global Tech Inc | 1.54M | 1.97% | -201.50K |
| Vanguard Information Technology ETF | 1.49M | 1.91% | -1.73K |
| EARNEST Partners Smid Cap Core Founders | 1.47M | 1.88% | -107.02K |
| Vanguard Capital Opportunity Inv | 1.10M | 1.41% | -94.70K |
| Vanguard Small Cap Growth Index Inv | 1.01M | 1.29% | 29.09K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Apr 15, 2026 | SLESSOR MIKE | CEO | Sell | $698.34K |
| Apr 15, 2026 | SLESSOR MIKE | CEO | Sell | $302.40K |
| Apr 15, 2026 | SLESSOR MIKE | CEO | Sell | $228.69K |
| Apr 15, 2026 | SLESSOR MIKE | CEO | Sell | $113.92K |
| Apr 15, 2026 | SLESSOR MIKE | CEO | Sell | $99.11K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 5 |
| 2026 Q1 | - | 19 |
| 2025 Q4 | - | 6 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | 4 |
FORM Ownership FAQ
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