# FORMFACTOR INC COM

FORMFACTOR INC COM is a security (CUSIP 346375108) tracked across SEC portfolio filings. 459 institutional managers reported $6.5B on Form 13F as of 2026-06-30; 44 registered fund positions totaling $419.3M via N-PORT as of 2026-05-31.

## Summary

- Issuer: FORMFACTOR INC
- Class: COM
- CUSIP: 346375108
- Asset category: EC
- 13F holders: 459
- 13F value: $6.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 44
- N-PORT value: $419.3M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 459 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $1.2B | 12,247,574 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $570.2M | 10,221,530 |
| [EARNEST PARTNERS LLC](https://search.stillhousedata.com/firm/107926) | ATLANTA, GA | $472.8M | 4,875,165 |
| STATE STREET CORP | BOSTON, MA | $284.0M | 2,928,139 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $240.6M | 2,481,059 |
| [Polar Capital Holdings Plc](https://search.stillhousedata.com/firm/136133) | London, X0 | $222.3M | 2,292,313 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $212.2M | 2,187,865 |
| [PRIMECAP MANAGEMENT CO/CA/](https://search.stillhousedata.com/firm/105516) | PASADENA, CA | $173.5M | 1,788,644 |
| SEI INVESTMENTS CO | OAKS, PA | $163.2M | 1,682,322 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $136.9M | 1,412,119 |
| MORGAN STANLEY | NEW YORK, NY | $127.0M | 1,308,918 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $124.5M | 2,231,533 |
| FULLER & THALER ASSET MANAGEMENT, INC. | San Mateo, CA | $110.3M | 1,137,356 |
| Pictet Asset Management Holding SA | CAROUGE, V8 | $104.3M | 653,999 |
| Bank of New York Mellon Corp | NEW YORK, NY | $103.8M | 649,307 |

## Top fund holders (N-PORT)

_Showing 15 of 44 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $83.9M | 10.29% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $49.9M | 28.45% |
| [T. Rowe Price Science & Technology Fund, Inc.](https://search.stillhousedata.com/fund/S000002119) | T. ROWE PRICE SCIENCE & TECHNOLOGY FUND, INC. | $28.0M | 26.07% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $27.2M | 21.28% |
| [AB DISCOVERY GROWTH FUND, INC.](https://search.stillhousedata.com/fund/S000010117) | AB DISCOVERY GROWTH FUND, INC. | $26.1M | 96.82% |
| [PRIMECAP Odyssey Growth Fund](https://search.stillhousedata.com/fund/S000005540) | PRIMECAP Odyssey Funds | $22.0M | 40.45% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $21.3M | 26.40% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $18.9M | 20.45% |
| [Needham Growth Fund](https://search.stillhousedata.com/fund/S000003649) | Needham Funds Inc | $14.5M | 778.00% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $13.6M | 54.76% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $12.3M | 25.47% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $12.1M | 5.58% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $11.0M | 49.38% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $10.4M | 23.93% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $9.9M | 32.81% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/346375108.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.