# PDF SOLUTIONS INC COM

PDF SOLUTIONS INC COM is a security (CUSIP 693282105) tracked across SEC portfolio filings. 238 institutional managers reported $1.4B on Form 13F as of 2026-06-30; 23 registered fund positions totaling $105.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: PDF SOLUTIONS INC
- Class: COM
- CUSIP: 693282105
- Asset category: EC
- 13F holders: 238
- 13F value: $1.4B
- 13F period: 2026-06-30
- N-PORT fund positions: 23
- N-PORT value: $105.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 238 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $159.2M | 4,866,177 |
| [WASATCH ADVISORS LP](https://search.stillhousedata.com/firm/6081) | SALT LAKE CITY, UT | $97.7M | 1,380,739 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $88.1M | 3,089,519 |
| [NEEDHAM INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/106783) | NEW YORK, NY | $66.2M | 2,022,700 |
| [EMERALD ADVISERS, LLC](https://search.stillhousedata.com/firm/107496) | LEOLA, PA | $62.6M | 884,294 |
| [JENNISON ASSOCIATES LLC](https://search.stillhousedata.com/firm/107959) | NEW YORK, NY | $50.7M | 716,075 |
| [Ranger Investment Management, L.P.](https://search.stillhousedata.com/firm/124414) | DALLAS, TX | $41.9M | 1,279,630 |
| [WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC](https://search.stillhousedata.com/firm/173961) | CHICAGO, IL | $41.1M | 1,255,559 |
| [EMERALD MUTUAL FUND ADVISERS TRUST](https://search.stillhousedata.com/firm/135130) | LEOLA, PA | $40.1M | 566,429 |
| STATE STREET CORP | BOSTON, MA | $39.0M | 1,192,408 |
| [BARROW HANLEY MEWHINNEY & STRAUSS LLC](https://search.stillhousedata.com/firm/105519) | DALLAS, TX | $37.3M | 1,140,547 |
| [Ophir Asset Management Pty Ltd](https://search.stillhousedata.com/firm/312619) | SYDNEY, C3 | $37.2M | 1,137,349 |
| [SNYDER CAPITAL MANAGEMENT L P](https://search.stillhousedata.com/firm/108518) | San Francisco, CA | $34.7M | 1,060,478 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $33.9M | 1,035,666 |
| [Silverberg Bernstein Capital Management LLC](https://search.stillhousedata.com/firm/327151) | ARMONK, NY | $33.0M | 465,823 |

## Top fund holders (N-PORT)

_Showing 15 of 23 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Janus Henderson Venture Fund](https://search.stillhousedata.com/fund/S000010488) | JANUS INVESTMENT FUND | $27.5M | 89.68% |
| [Needham Growth Fund](https://search.stillhousedata.com/fund/S000003649) | Needham Funds Inc | $15.5M | 833.99% |
| [Meridian Contrarian Fund](https://search.stillhousedata.com/fund/S000001463) | Meridian Fund Inc | $14.4M | 244.56% |
| [Emerald Growth Fund](https://search.stillhousedata.com/fund/S000036390) | FINANCIAL INVESTORS TRUST | $11.9M | 84.77% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $11.7M | 1.43% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $8.0M | 4.57% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $5.4M | 7.25% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $1.9M | 0.85% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.7M | 3.48% |
| [Iman Fund](https://search.stillhousedata.com/fund/S000005190) | Allied Asset Advisors Funds | $1.6M | 59.62% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $1.3M | 7.12% |
| [Russell Investments U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000089990) | Russell Investments Exchange Traded Funds | $1.2M | 252.34% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $777K | 7.88% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $678K | 8.00% |
| [Ranger Small Cap Fund](https://search.stillhousedata.com/fund/S000033849) | SPEND LIFE WISELY FUNDS INVESTMENT TRUST | $667K | 308.00% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/693282105.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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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.