Latest Period
Q1 2026
Security Snapshot
FORMFACTOR INC - Common Stock (FORM) Institutional Ownership
CUSIP: 346375108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
389
Shares (Excl. Options)
74,553,767
Price
$96.99
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- Security type / class
- Equity / Common Stock
- Symbol
- FORM on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 74,553,767
- Total 13F value
- $7,138,234,349
- Portfolio coverage rank
- 0%
- Share change
- -1,231,359
- Value change
- -$67,511,085
- Number of holders
- 389
- Shares outstanding
- 77,383,571
- SEC-reported price per share
- $128.00
- Insider filing price
- $128.00
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- FORM - FORMFACTOR INC - Common Stock is tracked under CUSIP 346375108.
- 389 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 335 to 389 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $4,242,560,059 to $7,138,234,349.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 389 institutions filings for Q1 2026.
Security key
346375108
Latest holder period
Q1 2026
13F holders
389
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
FORM full holder history
FORMFACTOR INC SEC filings
FORMFACTOR INC company facts
FORMFACTOR INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 346375108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
FORM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.6% | $576,081,998 | 5,939,602 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| EARNEST PARTNERS LLC | 6.3% | $512,477,345 | 4,875,165 | EARNEST PARTNERS LLC | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $394,344,852 | 4,065,830 | Vanguard Capital Management | 31 Mar 2026 |
As of 31 Mar 2026, 389 institutional investors reported holding 74,553,767 shares of FORMFACTOR INC - Common Stock (FORM). This represents 96% of the company’s total 77,383,571 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
73%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 12,247,574 | +5.9% | 0.02% | $1,187,892,242 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.6% | 5,880,008 | 0% | 0.03% | $570,301,976 |
| EARNEST PARTNERS LLC | 6.3% | 4,875,165 | -16% | 1.9% | $472,842,253 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 3,472,491 | 0% | 0.01% | $336,796,902 |
| STATE STREET CORP | 3.8% | 2,928,139 | +2% | 0.01% | $284,000,202 |
| BANK OF AMERICA CORP /DE/ | 3.2% | 2,481,059 | -1.4% | 0.02% | $240,637,911 |
| Polar Capital Holdings Plc | 3% | 2,292,313 | 0.97% | $222,331,438 | |
| ALLIANCEBERNSTEIN L.P. | 2.9% | 2,231,533 | +58% | 0.04% | $124,474,911 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.8% | 2,187,865 | +16% | 0.01% | $212,234,235 |
| PRIMECAP MANAGEMENT CO/CA/ | 2.3% | 1,788,644 | -14% | 0.14% | $173,480,582 |
| SEI INVESTMENTS CO | 2.2% | 1,682,322 | -0.16% | 0.15% | $163,168,380 |
| DIMENSIONAL FUND ADVISORS LP | 1.8% | 1,412,119 | -18% | 0.03% | $136,941,040 |
| AMERIPRISE FINANCIAL INC | 1.8% | 1,404,359 | +6.7% | 0.03% | $136,208,779 |
| MORGAN STANLEY | 1.7% | 1,308,917 | -42% | 0.01% | $126,952,017 |
| Invesco Ltd. | 1.6% | 1,238,363 | +272% | 0.02% | $120,108,827 |
| REINHART PARTNERS, LLC. | 1.5% | 1,159,698 | -46% | 3.2% | $112,480,588 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.5% | 1,137,356 | +4.9% | 0.37% | $110,312,125 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 947,544 | -0.44% | 0.01% | $91,902,293 |
| JANE STREET GROUP, LLC | 1.2% | 925,617 | +681% | 0.1% | $89,775,593 |
| GOLDMAN SACHS GROUP INC | 1.1% | 873,521 | -1.3% | 0.01% | $84,722,802 |
| T. Rowe Price Investment Management, Inc. | 1.1% | 852,833 | +137% | 0.06% | $82,717,000 |
| Nuveen, LLC | 1.1% | 849,717 | +20% | 0.02% | $82,414,052 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.1% | 840,631 | -13% | 0.01% | $81,534,000 |
| NORTHERN TRUST CORP | 1.1% | 835,307 | +1.3% | 0.01% | $81,016,427 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.95% | 733,338 | -46% | 0.03% | $71,126,453 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 74,553,767 | $7,138,234,349 | -$67,511,085 | $96.99 | 389 |
| 2025 Q4 | 76,022,089 | $4,242,560,059 | +$104,273,747 | $55.78 | 335 |
| 2025 Q3 | 74,974,025 | $2,731,169,242 | -$11,408,349 | $36.42 | 271 |
| 2025 Q2 | 75,461,849 | $2,597,022,950 | +$6,406,361 | $34.41 | 296 |
| 2025 Q1 | 75,533,689 | $2,136,801,856 | -$66,502,036 | $28.29 | 272 |
| 2024 Q4 | 76,022,852 | $3,345,042,106 | +$74,447,696 | $44.00 | 298 |
| 2024 Q3 | 74,069,555 | $3,405,394,989 | -$73,561,410 | $46.00 | 317 |
| 2024 Q2 | 74,999,264 | $4,539,866,088 | -$35,958,817 | $60.53 | 304 |
| 2024 Q1 | 75,836,475 | $3,460,229,821 | -$18,389,737 | $45.63 | 260 |
| 2023 Q4 | 76,618,725 | $3,195,679,469 | +$45,704,742 | $41.71 | 245 |
| 2023 Q3 | 75,599,222 | $2,641,397,812 | +$77,120,324 | $34.94 | 231 |
| 2023 Q2 | 73,358,117 | $2,510,124,314 | -$45,448,893 | $34.22 | 233 |
| 2023 Q1 | 74,898,262 | $2,385,623,856 | +$43,187,408 | $31.85 | 221 |
| 2022 Q4 | 74,089,315 | $1,647,181,981 | +$5,820,331 | $22.23 | 206 |
| 2022 Q3 | 73,522,180 | $1,841,832,500 | +$5,264,041 | $25.05 | 226 |
| 2022 Q2 | 74,310,307 | $2,878,023,564 | +$20,397,851 | $38.73 | 231 |
| 2022 Q1 | 74,124,444 | $3,114,974,539 | +$62,854,052 | $42.03 | 231 |
| 2021 Q4 | 72,589,732 | $3,316,117,270 | +$20,938,782 | $45.72 | 227 |
| 2021 Q3 | 72,000,652 | $2,688,575,649 | +$68,177,880 | $37.33 | 218 |
| 2021 Q2 | 70,148,347 | $2,557,395,521 | -$62,540,204 | $36.46 | 225 |
| 2021 Q1 | 71,142,403 | $3,210,627,180 | +$18,118,867 | $45.11 | 241 |
| 2020 Q4 | 70,793,285 | $3,046,335,359 | +$89,732,390 | $43.02 | 236 |
| 2020 Q3 | 69,176,281 | $1,725,044,906 | -$16,662,106 | $24.93 | 215 |
| 2020 Q2 | 69,548,436 | $2,040,183,061 | -$42,149,560 | $29.33 | 224 |
| 2020 Q1 | 71,172,835 | $1,429,902,310 | -$6,287,252 | $20.09 | 201 |