FORMNasdaqSemiconductors & Related DevicesFiscal year ends December 26
FORMFACTOR INC
Financials through Q2 FY2026, quarter ended Jun 27, 2026Last filing: 10-Q on Aug 4, 2026
$110.16+5.15 (+4.90%)
Close on Oct 19, 2026
- Market cap
- $8.77B
- P/E (TTM)
- 75.5
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
92.4%
72M of 78M shares
Institutional holders
508
160 new, 40 sold out
Net institutional buying
-2M
In Q2 2026
Insider trades, 12 months
0 buys · 72 sales
Net sold $22.05M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 9,682,927 | 12.40% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Portfolio Management | 5,939,602 | 7.61% | 13G (passive) | Mar 31, 2026 |
| Vanguard Capital Management | 4,065,830 | 5.21% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of FORM | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10,484,409 | 13.42% | $1.68B | −1,763,165 | 0.02% |
| Vanguard Portfolio Management LLC | 5,242,203 | 6.71% | $838.39M | −637,805 | 0.04% |
| Earnest Partners LLC | 3,763,214 | 4.82% | $601.85M | −1,111,951 | 2.17% |
| Vanguard Capital Management LLC | 3,515,254 | 4.50% | $562.19M | +42,763 | 0.01% |
| State Street Corp | 2,581,477 | 3.30% | $412.86M | −346,662 | 0.01% |
| Polar Capital Holdings Plc | 2,146,098 | 2.75% | $343.23M | −146,215 | 0.81% |
| Geode Capital Management, LLC | 1,833,001 | 2.35% | $294.52M | −354,864 | 0.02% |
| Bank Of America Corp /De/ | 1,783,638 | 2.28% | $285.26M | −697,421 | 0.02% |
| Primecap Management Co/Ca/ | 1,690,114 | 2.16% | $270.30M | −98,530 | 0.16% |
| Invesco Ltd. | 1,578,533 | 2.02% | $252.45M | +340,170 | 0.02% |
| Alliancebernstein L.P. | 1,457,060 | 1.87% | $141.32M | −774,473 | 0.05% |
| Dimensional Fund Advisors LP | 1,418,910 | 1.82% | $226.84M | +6,791 | 0.04% |
| Sei Investments Co | 1,343,056 | 1.72% | $214.79M | −339,266 | 0.19% |
| Jane Street Group, LLC | 1,309,873 | 1.68% | $209.49M | +384,256 | 0.02% |
| Fuller & Thaler Asset Management, Inc. | 1,184,611 | 1.52% | $189.45M | +47,255 | 0.52% |
| Norges Bank | 1,024,043 | 1.31% | $163.78M | New | 0.02% |
| Morgan Stanley | 899,947 | 1.15% | $143.93M | −408,971 | 0.01% |
| Gf Fund Management Co. Ltd. | 776,000 | 0.99% | $124.11M | +764,000 | 1.49% |
| Charles Schwab Investment Management Inc | 750,027 | 0.96% | $119.95M | −197,517 | 0.02% |
| Price T Rowe Associates Inc /Md/ | 721,754 | 0.92% | $115.43K | −118,877 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 508 | 72M | 92.4% | 160 / 146 | 168 / 40 | 11M | 14M |
| Q1 2026 | 396 | 75M | 95.5% | 107 / 131 | 119 / 40 | 21M | 13M |
| Q4 2025 | 335 | 77M | 98.9% | 94 / 101 | 106 / 30 | 12M | 10M |
| Q3 2025 | 277 | 75M | 96.3% | 41 / 92 | 102 / 61 | 7M | 8M |
| Q2 2025 | 301 | 76M | 97.8% | 56 / 108 | 102 / 28 | 9M | 8M |
| Q1 2025 | 277 | 76M | 96.9% | 40 / 106 | 91 / 60 | 7M | 6M |
| Q4 2024 | 300 | 76M | 97.3% | 43 / 119 | 101 / 60 | 8M | 6M |
| Q3 2024 | 320 | 74M | 95.2% | 57 / 124 | 102 / 46 | 18M | 7M |
| Q2 2024 | 310 | 75M | 96.6% | 69 / 90 | 116 / 21 | 6M | 9M |
| Q1 2024 | 264 | 78M | 100.0% | 45 / 95 | 89 / 26 | 6M | 6M |
| Q4 2023 | 246 | 78M | 100.0% | 39 / 70 | 105 / 23 | 7M | 5M |
| Q3 2023 | 231 | 76M | 97.8% | 28 / 77 | 85 / 29 | 6M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of FORM | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 4,694,824 | 6.01% | $750.84M | 0.67% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 2,476,100 | 3.17% | $396.00M | 0.02% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 1,787,235 | 2.29% | $285.83M | 0.15% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 1,142,318 | 1.46% | $142.32M | 0.08% | May 31, 2026 |
| Vanguard Capital Opportunity Fund | 1,044,841 | 1.34% | $167.10M | 0.51% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 1,030,099 | 1.32% | $164.74M | 0.35% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 893,755 | 1.14% | $142.94M | 0.15% | Jun 30, 2026 |
| Fullerthaler Behavioral Small-Cap Growth | 780,000 | 1.00% | $124.75M | 2.02% | Jun 30, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 715,246 | 0.92% | $114.39M | 0.68% | Jun 30, 2026 |
| iShares S&P Small-Cap 600 Growth ETF | 700,530 | 0.90% | $112.04M | 1.36% | Jun 30, 2026 |
| Vanguard Mid-Cap Growth Fund | 682,709 | 0.87% | $72.50M | 2.69% | Jul 31, 2026 |
| Invesco S&P SmallCap Momentum ETF | 565,831 | 0.72% | $60.09M | 1.98% | Jul 31, 2026 |
| Harbor Small Cap Value Fund | 561,807 | 0.72% | $59.66M | 2.38% | Jul 31, 2026 |
| Invesco Semiconductors ETF | 557,346 | 0.71% | $59.19M | 2.49% | Jul 31, 2026 |
| Vanguard Tax-Managed Small-Cap Fund | 502,173 | 0.64% | $80.31M | 0.70% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Mike Slessor | CEO, Director | 467,694 | 0.60% | Sep 17, 2026 |
| Aric Brendan McKinnis | CFO, SVP Global Finance | 14,426 | 0.02% | Aug 10, 2026 |
| Shai Shahar | CFO, SVP Global Finance | 57,610 | 0.07% | Aug 8, 2025 |
| Kelley Steven-Waiss | Director | 24,426 | 0.03% | Sep 4, 2026 |
| Dennis Thomas St | Director | 74,333 | 0.10% | Jun 16, 2026 |
| Sheri Rhodes | Director | 5,375 | 0.01% | Jun 4, 2026 |
| Rebeca Obregon-Jimenez | Director | 7,875 | 0.01% | May 22, 2026 |
| Brian C. White | Director | 8,653 | 0.01% | May 21, 2026 |
| Jorge Titinger | Director | 14,836 | 0.02% | May 19, 2026 |
| Kevin J. Brewer | Director | 8,105 | 0.01% | Feb 12, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Mike Slessor CEO, Director | Sep 16, 2026 | Sale(10b5-1 plan) | −7,773 | $105.12 | $817.10K | 467,694 |
| Mike Slessor CEO, Director | Sep 16, 2026 | Sale(10b5-1 plan) | −8,737 | $104.26 | $910.92K | 475,467 |
| Mike Slessor CEO, Director | Sep 16, 2026 | Sale(10b5-1 plan) | −1,000 | $105.80 | $105.80K | 466,694 |
| Kelley Steven-Waiss Director | Sep 3, 2026 | Sale | −2,100 | $96.10 | $201.81K | 24,426 |
| Mike Slessor CEO, Director | Aug 14, 2026 | Sale(10b5-1 plan) | −3,282 | $130.54 | $428.43K | 491,550 |
| Mike Slessor CEO, Director | Aug 14, 2026 | Sale(10b5-1 plan) | −5,535 | $132.50 | $733.39K | 484,890 |
| Mike Slessor CEO, Director | Aug 14, 2026 | Sale(10b5-1 plan) | −1,125 | $131.65 | $148.11K | 490,425 |
| Mike Slessor CEO, Director | Aug 14, 2026 | Sale(10b5-1 plan) | −686 | $133.33 | $91.46K | 484,204 |
| Mike Slessor CEO, Director | Aug 14, 2026 | Sale(10b5-1 plan) | −2,892 | $129.55 | $374.66K | 494,832 |
| Mike Slessor CEO, Director | Aug 14, 2026 | Sale(10b5-1 plan) | −2,482 | $128.72 | $319.48K | 497,724 |
| Mike Slessor CEO, Director | Aug 7, 2026 | Tax withholding | −3,288 | $117.39 | $385.98K | 500,206 |
| Mike Slessor CEO, Director | Aug 7, 2026 | Option exercise | +5,908 | – | – | 503,494 |
| Mike Slessor CEO, Director | Aug 7, 2026 | Tax withholding | −78,908 | $117.39 | $9.26M | 497,586 |
| Mike Slessor CEO, Director | Aug 7, 2026 | Option exercise | +141,792 | – | – | 576,494 |
| Mike Slessor CEO, Director | Aug 6, 2026 | Tax withholding | −3,357 | $115.21 | $386.76K | 434,702 |
| Mike Slessor CEO, Director | Aug 6, 2026 | Option exercise | +6,031 | – | – | 438,059 |
| Aric Brendan McKinnis CFO, SVP Global Finance | Aug 6, 2026 | Option exercise | +1,099 | – | – | 14,426 |
| Aric Brendan McKinnis CFO, SVP Global Finance | Aug 6, 2026 | Tax withholding | −274 | $115.21 | $31.57K | 14,152 |
| Mike Slessor CEO, Director | Aug 5, 2026 | Option exercise | +3,644 | – | – | 434,056 |
| Mike Slessor CEO, Director | Aug 5, 2026 | Tax withholding | −2,028 | $114.44 | $232.08K | 432,028 |
| Aric Brendan McKinnis CFO, SVP Global Finance | Aug 5, 2026 | Option exercise | +521 | – | – | 13,457 |
| Aric Brendan McKinnis CFO, SVP Global Finance | Aug 5, 2026 | Tax withholding | −130 | $114.44 | $14.88K | 13,327 |
| Mike Slessor CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −170 | $119.08 | $20.24K | 431,580 |
| Mike Slessor CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −1,041 | $116.56 | $121.34K | 434,106 |
| Mike Slessor CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −868 | $121.30 | $105.29K | 430,412 |
| Mike Slessor CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −300 | $120.58 | $36.17K | 431,280 |
| Mike Slessor CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −706 | $118.21 | $83.46K | 431,750 |
| Mike Slessor CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −1,650 | $117.39 | $193.69K | 432,456 |
| Dennis Thomas St Director | Jun 16, 2026 | Gift | −740 | – | – | 28,333 |
| Dennis Thomas St Director | Jun 15, 2026 | Sale | −2,800 | $151.49 | $424.17K | 29,073 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −1,399 | $117.70 | $164.66K | 445,638 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −975 | $121.00 | $117.98K | 443,496 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −400 | $119.46 | $47.78K | 444,471 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −1,629 | $123.37 | $200.97K | 435,147 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −767 | $119.00 | $91.27K | 444,871 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −2,500 | $122.63 | $306.58K | 436,776 |
| Mike Slessor CEO, Director | Jun 10, 2026 | Sale(10b5-1 plan) | −4,220 | $121.72 | $513.66K | 439,276 |
| Aric Brendan McKinnis CFO, SVP Global Finance | Jun 2, 2026 | Option exercise | +773 | – | – | 13,129 |
| Aric Brendan McKinnis CFO, SVP Global Finance | Jun 2, 2026 | Tax withholding | −193 | $125.11 | $24.15K | 12,936 |
| Sheri Rhodes Director | Jun 2, 2026 | Sale | −6,328 | $125.40 | $793.53K | 5,375 |
| Rebeca Obregon-Jimenez Director | May 21, 2026 | Sale | −3,828 | $126.48 | $484.17K | 7,875 |
| Brian C. White Director | May 20, 2026 | Sale | −3,250 | $126.00 | $409.50K | 8,653 |
| Dennis Thomas St Director | May 19, 2026 | Sale | −1,000 | $115.84 | $115.84K | 31,873 |
| Sheri Rhodes Director | May 15, 2026 | Award | +1,347 | – | – | 11,703 |
| Jorge Titinger Director | May 15, 2026 | Award | +1,347 | – | – | 14,836 |
| Brian C. White Director | May 15, 2026 | Award | +1,347 | – | – | 11,903 |
| Dennis Thomas St Director | May 15, 2026 | Award | +1,347 | – | – | 32,873 |
| Rebeca Obregon-Jimenez Director | May 15, 2026 | Award | +1,347 | – | – | 11,703 |
| Kelley Steven-Waiss Director | May 15, 2026 | Award | +1,347 | – | – | 26,526 |
| Kelley Steven-Waiss Director | May 15, 2026 | Sale | −5,400 | $125.60 | $678.24K | 25,179 |
| Jorge Titinger Director | May 13, 2026 | Sale | −4,009 | $128.79 | $516.32K | 13,489 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −702 | $136.15 | $95.58K | 447,037 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −66 | $135.73 | $8.96K | 447,739 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −200 | $132.63 | $26.53K | 447,805 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −200 | $130.57 | $26.11K | 448,005 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −700 | $129.33 | $90.53K | 448,205 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −700 | $128.52 | $89.96K | 448,905 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −100 | $127.47 | $12.75K | 449,605 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −398 | $126.59 | $50.38K | 449,705 |
| Mike Slessor CEO, Director | May 13, 2026 | Sale(10b5-1 plan) | −1,388 | $125.58 | $174.31K | 450,103 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Slessor Mike Officer, Director | Oct 14, 2026 | 11,098 | $1.39M | Oct 14, 2026 | Performance Shares |
| Slessor Mike Officer, Director | Sep 16, 2026 | 17,510 | $1.83M | Sep 16, 2026 | Restricted Stock |
| Lynne Steven-Waiss Kelley Director | Sep 3, 2026 | 2,100 | $201.81K | Sep 3, 2026 | Restricted Stock |
| Slessor Mike Officer, Director | Aug 14, 2026 | 16,002 | $2.10M | Aug 14, 2026 | Performance Shares |
| Slessor Mike Officer, Director | Jul 15, 2026 | 4,735 | $560.20K | Jul 15, 2026 | Restricted Stock |
| M. St. Dennis Thomas Director | Jun 15, 2026 | 2,800 | $424.17K | Jun 15, 2026 | Restricted Stock |
| Slessor Mike Officer, Director | Jun 10, 2026 | 11,890 | $1.44M | Jun 10, 2026 | Restricted Stock |
| J. Brewer Kevin Former Director | Jun 4, 2026 | 2,528 | $326.11K | Jun 4, 2026 | Restricted Stock Vesting Under a Registered Plan |
| Lynn Rhodes Sheri Director | Jun 2, 2026 | 6,328 | $793.53K | Jun 2, 2026 | Restricted Stock |
| J. Brewer Kevin Former Director | May 26, 2026 | 4,000 | $547.41K | May 26, 2026 | Restricted stock vesting under a registered plan |
| Obregon-Jimenez Rebeca Director | May 21, 2026 | 3,828 | $484.15K | May 21, 2026 | Restricted Stock |
| C. White Brian Director | May 20, 2026 | 3,250 | $409.50K | May 20, 2026 | Restricted Stock |
| J. Brewer Revocable Trust Kevin Board Member | May 20, 2026 | 1,577 | $195.98K | May 20, 2026 | Restricted stock vesting under a registered plan |
| M. St. Dennis Thomas Director | May 19, 2026 | 1,000 | $115.84K | May 19, 2026 | Restricted Stock |
| Lynne Steven-Waiss Kelley Director | May 15, 2026 | 5,400 | $678.24K | May 15, 2026 | Restricted Stock |