2m 2m 2m 2m 2m 2m 2m
FormFactor (FORM)
NASDAQ
$143.61-$13.05 (-8.33%)
Price as of Jun 23, 2026 10:42 AM EDT- $12.2BMarket Cap
- 373.01%1-Year Change
- Semiconductor Equipment & MaterialsIndustry
FormFactor (FORM)
$143.61-$13.05 (-8.33%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 15.71% | 12.2M | +677,935 (+5.54%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 15.60% | 12.2M | +229,552 (+1.89%) | Dec 31, 2024 |
BLACKROCK INC. | 15.05% | 11.7M | -138,385 (-1.18%) | Jun 30, 2024 |
VANGUARD GROUP INC | 13.11% | 10.2M | -78,334 (-0.77%) | Dec 31, 2025 |
N/A | 7.54% | 5.9M | +5.9M (+100.00%) | Mar 31, 2026 |
EARNEST PARTNERS LLC | 6.25% | 4.9M | -899,827 (-18.46%) | Mar 31, 2026 |
WELLINGTON MANAGEMENT CO LLP | 3.82% | 3.0M | +45,237 (+1.52%) | Dec 31, 2021 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
iSHARES TRUST | 10.31% | 8.0M | -42,401 (-0.53%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 7.86% | 6.1M | +111,084 (+1.81%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 2.50% | 1.9M | +47,384 (+2.43%) | Feb 28, 2026 |
VANGUARD HORIZON FUNDS | 1.56% | 1.2M | -94,700 (-7.81%) | Mar 31, 2026 |
SPDR SERIES TRUST | 1.45% | 1.1M | +59,345 (+5.25%) | Mar 31, 2026 |
HARBOR FUNDS | 1.21% | 943,494 | -631,392 (-66.92%) | Jan 31, 2026 |
Manager Directed Portfolios | 1.18% | 917,858 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions1.4B (73.79%)
- Mutual Funds479.3M (26.03%)
- Insiders3.3M (0.18%)
- Other0 (0.00%)
Insider Transactions
- 0.18% (3.3M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 7Number of InsiderSelling (last 12 months)
- $346.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
St Dennis Thomas | Gift | Jun 16, 2026 | $0.00 | 740 | $0.00 | 28,333 |
St Dennis Thomas | Sell | Jun 15, 2026 | $424,172.00 | 2,800 | $151.49 | 29,073 |
SLESSOR MIKE CEO | Sell | Mar 18, 2026 | $178,790.00 | 1,900 | $94.10 | 469,186 |
SLESSOR MIKE CEO | Sell | Mar 18, 2026 | $523,178.95 | 5,495 | $95.21 | 463,691 |
SLESSOR MIKE CEO | Sell | Mar 18, 2026 | $271,107.36 | 2,832 | $95.73 | 460,859 |
McKinnis Aric Brendan CFO, SVP Global Finance | Sell | Mar 05, 2026 | $313,034.04 | 3,462 | $90.42 | 11,140 |
McKinnis Aric Brendan CFO, SVP Global Finance | Exempt | Mar 02, 2026 | $0.00 | 773 | $0.00 | 773 |
McKinnis Aric Brendan CFO, SVP Global Finance | Exempt | Mar 02, 2026 | $0.00 | 773 | $0.00 | 14,795 |
McKinnis Aric Brendan CFO, SVP Global Finance | In Kind | Mar 02, 2026 | $19,242.10 | 193 | $99.70 | 14,602 |
WHITE BRIAN C | Sell | Feb 24, 2026 | $230,023.00 | 2,300 | $100.01 | 10,556 |
BREWER KEVIN J | Sell | Feb 11, 2026 | $288,600.00 | 3,000 | $96.20 | 8,105 |
Rhodes Sheri | Sell | Feb 10, 2026 | $706,973.29 | 7,634 | $92.61 | 10,356 |
St Dennis Thomas | Sell | Feb 10, 2026 | $524,894.35 | 5,601 | $93.71 | 33,356 |
St Dennis Thomas | Sell | Feb 10, 2026 | $172,460.30 | 1,830 | $94.24 | 31,526 |
Titinger Jorge | Sell | Feb 09, 2026 | $177,680.00 | 2,000 | $88.84 | 17,498 |
WHITE BRIAN C | Sell | Feb 09, 2026 | $500,225.00 | 5,500 | $90.95 | 12,856 |
SLESSOR MIKE CEO | Exempt | Feb 09, 2026 | $0.00 | 5,908 | $0.00 | 11,816 |
SLESSOR MIKE CEO | Exempt | Feb 09, 2026 | $0.00 | 5,908 | $0.00 | 483,038 |
SLESSOR MIKE CEO | In Kind | Feb 09, 2026 | $311,965.44 | 3,288 | $94.88 | 479,750 |
SLESSOR MIKE CEO | Exempt | Feb 06, 2026 | $0.00 | 6,031 | $0.00 | 60,310 |
SLESSOR MIKE CEO | Exempt | Feb 06, 2026 | $0.00 | 6,031 | $0.00 | 480,487 |
SLESSOR MIKE CEO | In Kind | Feb 06, 2026 | $303,103.53 | 3,357 | $90.29 | 477,130 |
SLESSOR MIKE CEO | Exempt | Feb 05, 2026 | $0.00 | 3,644 | $0.00 | 476,551 |
SLESSOR MIKE CEO | In Kind | Feb 05, 2026 | $175,707.65 | 2,095 | $83.87 | 474,456 |
SLESSOR MIKE CEO | Exempt | Feb 05, 2026 | $0.00 | 3,644 | $0.00 | 21,864 |
SLESSOR MIKE CEO | Sell | Jan 15, 2026 | $533,175.68 | 6,976 | $76.43 | 479,019 |
SLESSOR MIKE CEO | Sell | Jan 15, 2026 | $472,090.88 | 6,112 | $77.24 | 472,907 |
SLESSOR MIKE CEO | Sell | Dec 17, 2025 | $315,001.14 | 5,606 | $56.19 | 527,664 |
SLESSOR MIKE CEO | Sell | Dec 17, 2025 | $117,219.66 | 2,063 | $56.82 | 525,601 |
SLESSOR MIKE CEO | Sell | Nov 19, 2025 | $235,291.35 | 4,739 | $49.65 | 536,934 |