PDF SolutionsPDFS
13F holders, Q4 2025 (December 31)188holders +5
25new positions
23sold out
4famous investors
$28.53avg. 13F price*
At the end of Q4 2025, 188 institutions reported holding PDF Solutions Inc. (PDFS) in their 13F filings, up 5 from Q3 2025. 25 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($139.4M), Vanguard Group Inc. ($88.1M) and Needham Investment Management LLC ($56.1M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and Ken Fisher (0.0% of Fisher Asset Management's portfolio).
- Company
- PDF Solutions Inc.
- CUSIP
- 693282105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 25 | $32.2M |
| Exits | 23 | $23.0M |
All 13F filers, Q3 2025 → Q4 2025: 2,341,675 shares bought and 1,756,819 shares sold, net +584,856 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 188 holders
| BlackRock, Inc. | 0.00% | Add +0.5% | 4,885,246 | $139.4M |
| Vanguard Group Inc. | 0.00% | Reduce -2.1% | 3,089,519 | $88.1M |
| Needham Investment Management LLC | 3.54% | Reduce -2.6% | 1,965,000 | $56.1M |
| William Blair Investment Management, LLC | 0.11% | Add +0.7% | 1,358,481 | $38.8M |
| Ranger Investment Management, L.P. | 2.29% | Add +10.7% | 1,170,014 | $33.4M |
| State Street Corp. | 0.00% | Add +0.5% | 1,151,576 | $32.9M |
| Samjo Management, LLC | 12.69% | Add +2.7% | 1,151,019 | $32.8M |
| Snyder Capital Management L P | 0.51% | Add +19.4% | 955,435 | $27.3M |
| Emerald Advisers, LLC | 0.83% | Add +0.1% | 943,372 | $26.9M |
| Janus Henderson Group PLC | 0.01% | Add +16.4% | 912,135 | $26.0M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.3% | 800,963 | $22.9M |
| Geode Capital Management, LLC | 0.00% | Add +0.6% | 770,152 | $22.0M |
| Divisar Capital Management LLC | 6.09% | Add +11.1% | 759,815 | $21.7M |
| Ophir Asset Management Pty Ltd | 2.31% | New | 723,127 | $20.6M |
| Emerald Mutual Fund Advisers Trust | 0.83% | No change | 594,610 | $17.0M |
| Wasatch Advisors LP | 0.09% | Reduce -4.7% | 522,320 | $14.9M |
| ArrowMark Colorado Holdings LLC | 0.31% | Add +9.2% | 493,343 | $14.1M |
| Silverberg Bernstein Capital Management LLC | 7.81% | Add +3.3% | 473,883 | $13.5M |
| Loomis Sayles & Co. L P | 0.02% | Add +28.1% | 465,182 | $13.3M |
| Russell Investments Group, Ltd. | 0.01% | Add +8.8% | 407,370 | $11.6M |
| Morgan Stanley | 0.00% | Add +11.7% | 399,222 | $11.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | Reduce -1.7% | 388,337 | $11.1M |
| Pillsbury Lake Capital LLC | 4.37% | — | 376,069 | $10.7M |
| Northern Trust Corp. | 0.00% | Reduce -4.4% | 347,934 | $9.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.8% | 306,825 | $8.8M |
| FMR LLC | 0.00% | Add +12.1% | 267,075 | $7.6M |
| HERALD INVESTMENT MANAGEMENT Ltd | 0.84% | Add +12.5% | 225,000 | $6.4M |
| Roubaix Capital, LLC | 2.68% | Add +6.6% | 220,022 | $6.3M |
| Squarepoint Ops LLC | 0.01% | Reduce -14.5% | 217,560 | $6.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.5% | 197,821 | $5.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +35.1% | 189,818 | $5.4M |
| Principal Financial Group Inc. | 0.00% | Reduce -1.1% | 153,048 | $4.4M |
| Rice Hall James & Associates, LLC | 0.23% | Reduce -7.9% | 147,655 | $4.2M |
| Invesco Ltd. | 0.00% | Add +26.6% | 136,138 | $3.9M |
| Brown Capital Management LLC | 0.29% | New | 125,137 | $3.6M |
| Prelude Capital Management, LLC | 0.24% | Add +15.2% | 116,450 | $3.3M |
| Public Sector Pension Investment Board | 0.01% | Reduce -11.2% | 110,729 | $3.2M |
| Nuveen, LLC | 0.00% | Add +37.6% | 110,629 | $3.2M |
| Mutual of America Capital Management LLC | 0.03% | Reduce -0.5% | 107,649 | $3.1M |
| Lisanti Capital Growth, LLC | 0.71% | New | 105,540 | $3.0M |
| Gem Investment Advisors, LLC | 2.85% | — | 105,526 | $3.0M |
| Bridge City Capital, LLC | 0.86% | Reduce -12.4% | 102,324 | $2.9M |
| Rhumbline Advisers | 0.00% | Reduce -5.1% | 82,477 | $2.4M |
| Legal & General Group Plc | 0.00% | Reduce -6.3% | 81,420 | $2.3M |
| Wells Fargo & Company | 0.00% | Add +22.9% | 80,702 | $2.3M |
| Bank of America Corp. | 0.00% | Add +4.7% | 79,873 | $2.3M |
| Two Sigma Investments, LP | 0.00% | Add +504.1% | 64,986 | $1.9M |
| UBS Group AG | 0.00% | Reduce -36.7% | 63,081 | $1.8M |
| Deutsche Bank AG | 0.00% | Add +0.2% | 62,770 | $1.8M |
| Swiss National Bank | 0.00% | Add +3.8% | 62,400 | $1.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -7.0% | 58,808 | $1.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +18.2% | 57,878 | $1.7M |
| Boothbay Fund Management, LLC | 0.04% | Reduce -3.5% | 55,432 | $1.6M |
| Dana Investment Advisors, Inc. | 0.05% | Reduce -35.3% | 55,277 | $1.6M |
| Dark Forest Capital Management LP | 0.07% | Add +7.3% | 55,068 | $1.6M |
| Legato Capital Management LLC | 0.13% | Add +96.3% | 53,530 | $1.5M |
| Acadian Asset Management LLC | 0.00% | Reduce -40.7% | 53,169 | $1.5M |
| Voya Investment Management LLC | 0.00% | Add +1.8% | 52,828 | $1.5M |
| Barclays PLC | 0.00% | Add +1.9% | 50,556 | $1.4M |
| Jane Street Group, LLC | 0.00% | Add +212.2% | 49,156 | $1.4M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -55.0% | 48,553 | $1.4M |
| Raymond James Financial Inc. | 0.00% | Add +43.7% | 48,548 | $1.4M |
| AQR Capital Management | 0.00% | Reduce -29.7% | 46,232 | $1.3M |
| Alliancebernstein L.P. | 0.00% | Add +31.2% | 43,780 | $1.2M |
| Sei Investments Co. | 0.00% | New | 42,209 | $1.2M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -9.0% | 42,129 | $1.2M |
| Fisher Asset Management | 0.00% | Add +6.6% | 40,603 | $1.2M |
| Citadel Advisors | 0.00% | Add +6.9% | 39,856 | $1.1M |
| Creative Planning | 0.00% | Reduce -3.5% | 37,604 | $1.1M |
| Verition Fund Management LLC | 0.01% | Add +169.9% | 37,536 | $1.1M |
| Victory Capital Management Inc. | 0.00% | Reduce -3.5% | 36,300 | $1.0M |
| New York State Common Retirement Fund | 0.00% | No change | 35,411 | $1.0M |
| CenterBook Partners LP | 0.05% | Reduce -80.5% | 34,476 | $984K |
| Susquehanna Fundamental Investments, LLC | 0.03% | Add +2.6% | 32,230 | $920K |
| Williams Jones Wealth Management, LLC. | 0.01% | No change | 32,000 | $913K |
| California State Teachers Retirement System | 0.00% | Add +7.8% | 30,945 | $883K |
| Two Sigma Advisers, LP | 0.00% | New | 30,900 | $882K |
| Prudential Financial Inc. | 0.00% | Reduce -7.5% | 30,492 | $870K |
| Gsa Capital Partners LLP | 0.07% | Reduce -60.1% | 26,752 | $763K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -37.8% | 25,033 | $714K |
| Kings Path Partners LLC | 0.24% | No change | 24,500 | $699K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -4.7% | 21,992 | $627K |
| Assenagon Asset Management S.A. | 0.00% | Add +4.0% | 21,329 | $609K |
| M&T Bank Corp | 0.00% | Add +28.8% | 20,165 | $575K |
| Prescott Group Capital Management, L.L.C. | 0.05% | No change | 20,000 | $571K |
| Penn Capital Management Company, LLC | 0.05% | Reduce -83.0% | 19,976 | $570K |
| Nano Cap New Millennium Growth Fund L P | 0.47% | — | 19,500 | $556K |
| Federated Hermes, Inc. | 0.00% | New | 19,300 | $551K |
| T. Rowe Price Associates Inc. | 0.00% | Add +13.8% | 19,156 | $547K |
| SG Americas Securities, LLC | 0.00% | Add +36.1% | 18,959 | $541K |
| MetLife Investment Management, LLC | 0.00% | No change | 18,692 | $533K |
| Quantinno Capital Management LP | 0.00% | Add +27.0% | 18,438 | $526K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Reduce -0.3% | 16,045 | $515K |
| CVA Family Office, LLC | 0.06% | New | 17,774 | $507K |
| State of Alaska, Department of Revenue | 0.01% | Add +1.1% | 17,587 | $501K |
| Inspire Investing, LLC | 0.04% | Reduce -8.5% | 16,270 | $464K |
| Natixis Advisors, LLC | 0.00% | Add +26.4% | 16,070 | $458K |
| Susquehanna International Group, LLP | 0.00% | Reduce -26.5% | 15,702 | $448K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.1% | 14,802 | $422K |
| Louisiana State Employees Retirement System | 0.01% | No change | 14,700 | $419K |
"% of holder's portfolio" is PDFS's weight in each manager's 13F, not the share of PDF Solutions Inc. the manager owns.