PDF Solutions Inc
PDFS- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001120914
In the last 90 days, PDF Solutions Inc insiders filed 0 open-market purchases and 2 sales; 283 institutions reported holding it in 13F filings for Q2 2026, worth $2.75B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in PDF Solutions Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 208
- +24 vs. Q4 2025
- Shares held
- 32.2M
- +4.69M (+17.0%) vs. Q4 2025
- Total value
- $1.05B
- +$268.2M (+34.1%) vs. Q4 2025
- New holders
- 40
- 72 more added
- Sold out
- 16
- 59 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PDFS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 283 | $2.75B |
| Q1 2026 | 208 | $1.05B |
| Q4 2025 | 188 | $874.0M |
| Q3 2025 | 183 | $767.5M |
| Q2 2025 | 173 | $624.1M |
| Q1 2025 | 168 | $530.0M |
| Q4 2024 | 178 | $766.0M |
| Q3 2024 | 176 | $901.4M |
| Q2 2024 | 173 | $1.02B |
| Q1 2024 | 180 | $989.4M |
| Q4 2023 | 198 | $939.7M |
| Q3 2023 | 184 | $891.9M |
| Q2 2023 | 180 | $1.25B |
| Q1 2023 | 178 | $1.15B |
| Q4 2022 | 151 | $752.9M |
| Q3 2022 | 136 | $643.7M |
| Q2 2022 | 127 | $557.5M |
| Q1 2022 | 129 | $742.9M |
| Q4 2021 | 134 | $839.9M |
| Q3 2021 | 112 | $598.3M |
| Q2 2021 | 116 | $508.8M |
| Q1 2021 | 102 | $457.1M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,866,177 | $159.2M | 0.00% | −19,069−0.4% | Reduced |
| Needham Investment Management LLC | 2,022,700 | $66.2M | 3.38% | +57,700+2.9% | Added |
| Vanguard Portfolio Management LLC | 1,400,722 | $45.8M | 0.00% | +1,400,722 | New |
| Vanguard Capital Management LLC | 1,388,122 | $45.4M | 0.00% | +1,388,122 | New |
| Ranger Investment Management, L.P. | 1,279,630 | $41.9M | 3.03% | +109,616+9.4% | Added |
| William Blair Investment Management, LLC | 1,255,559 | $41.1M | 0.14% | −102,922−7.6% | Reduced |
| State Street Corp | 1,192,408 | $39.0M | 0.00% | +40,832+3.5% | Added |
| Barrow Hanley Mewhinney & Strauss LLC | 1,140,547 | $37.3M | 0.12% | +1,140,547 | New |
| Ophir Asset Management Pty Ltd | 1,137,349 | $37.2M | 4.33% | +414,222+57.3% | Added |
| Snyder Capital Management L P | 1,060,478 | $34.7M | 0.67% | +105,043+11.0% | Added |
| Janus Henderson Group PLC | 1,035,666 | $33.9M | 0.02% | +123,531+13.5% | Added |
| Samjo Management, LLC | 919,955 | $30.1M | 13.01% | −231,064−20.1% | Reduced |
| Emerald Advisers, LLC | 860,819 | $28.2M | 0.89% | −82,553−8.8% | Reduced |
| Dimensional Fund Advisors LP | 845,693 | $27.7M | 0.01% | +44,730+5.6% | Added |
| Loomis Sayles & Co L P | 827,109 | $27.1M | 0.04% | +361,927+77.8% | Added |
| Geode Capital Management, LLC | 802,223 | $26.2M | 0.00% | +32,071+4.2% | Added |
| Divisar Capital Management LLC | 623,364 | $20.4M | 5.20% | −136,451−18.0% | Reduced |
| Emerald Mutual Fund Advisers Trust | 594,610 | $19.4M | 0.94% | 00.0% | Unchanged |
| Wasatch Advisors Inc | 507,737 | $16.6M | 0.11% | −14,583−2.8% | Reduced |
| Silverberg Bernstein Capital Management LLC | 472,883 | $15.5M | 8.52% | −1,000−0.2% | Reduced |
| Russell Investments Group, Ltd. | 441,716 | $14.4M | 0.02% | +34,346+8.4% | Added |
| ArrowMark Colorado Holdings LLC | 356,620 | $11.7M | 0.31% | −136,723−27.7% | Reduced |
| DF Dent & Co Inc | 352,960 | $11.5M | 0.22% | +352,960 | New |
| Northern Trust Corp | 352,559 | $11.5M | 0.00% | +4,625+1.3% | Added |
| Morgan Stanley | 341,780 | $11.2M | 0.00% | −57,442−14.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 328,905 | $10.8M | 0.02% | −59,432−15.3% | Reduced |
| Charles Schwab Investment Management Inc | 308,174 | $10.1M | 0.00% | +1,349+0.4% | Added |
| FMR LLC | 302,209 | $9.89M | 0.00% | +35,134+13.2% | Added |
| Pillsbury Lake Capital LLC | 270,668 | $8.85M | 4.01% | −105,401−28.0% | Reduced |
| Vanguard Fiduciary Trust Co | 221,080 | $7.23M | 0.00% | +221,080 | New |
| Herald Investment Management Ltd | 200,000 | $6.54M | 0.91% | −25,000−11.1% | Reduced |
| Bank of New York Mellon Corp | 190,498 | $6.23M | 0.00% | −7,323−3.7% | Reduced |
| Roubaix Capital, LLC | 181,937 | $5.95M | 2.78% | −38,085−17.3% | Reduced |
| Principal Financial Group Inc | 156,515 | $5.12M | 0.00% | +3,467+2.3% | Added |
| Goldman Sachs Group Inc | 151,048 | $4.94M | 0.00% | −38,770−20.4% | Reduced |
| Rice Hall James & Associates, LLC | 147,782 | $4.83M | 0.27% | +127+0.1% | Added |
| Invesco Ltd. | 144,340 | $4.72M | 0.00% | +8,202+6.0% | Added |
| Squarepoint Ops LLC | 130,919 | $4.28M | 0.01% | −86,641−39.8% | Reduced |
| Public Sector Pension Investment Board | 114,525 | $3.75M | 0.01% | +3,796+3.4% | Added |
| Nuveen, LLC | 111,994 | $3.66M | 0.00% | +1,365+1.2% | Added |
| Gem Investment Advisors, LLC | 105,526 | $3.45M | 3.39% | 00.0% | Unchanged |
| Brown Capital Management LLC | 104,322 | $3.41M | 0.48% | −20,815−16.6% | Reduced |
| UBS Group AG | 101,285 | $3.31M | 0.00% | +38,204+60.6% | Added |
| Bridge City Capital, LLC | 100,771 | $3.30M | 0.91% | −1,553−1.5% | Reduced |
| Prelude Capital Management, LLC | 90,779 | $2.97M | 0.23% | −25,671−22.0% | Reduced |
| SEI Investments Co | 90,393 | $2.96M | 0.00% | +48,184+114.2% | Added |
| Bank of America Corp | 85,776 | $2.81M | 0.00% | +5,903+7.4% | Added |
| Rhumbline Advisers | 84,547 | $2.77M | 0.00% | +2,070+2.5% | Added |
| Inspire Advisors, LLC | 84,169 | $2.75M | 0.22% | +84,169 | New |
| Lisanti Capital Growth, LLC | 81,365 | $2.66M | 0.67% | −24,175−22.9% | Reduced |
| Legal & General Group Plc | 74,387 | $2.43M | 0.00% | −7,033−8.6% | Reduced |
| Raymond James Financial Inc | 72,357 | $2.37M | 0.00% | +23,809+49.0% | Added |
| Wells Fargo & Company | 67,161 | $2.20M | 0.00% | −13,541−16.8% | Reduced |
| Deutsche Bank AG | 65,812 | $2.15M | 0.00% | +3,042+4.8% | Added |
| LPL Financial LLC | 62,530 | $2.05M | 0.00% | +52,131+501.3% | Added |
| Swiss National Bank | 62,400 | $2.04M | 0.00% | 00.0% | Unchanged |
| Dana Investment Advisors, Inc. | 62,088 | $2.03M | 0.06% | +6,811+12.3% | Added |
| UBS Asset Management Americas Inc | 59,839 | $1.96M | 0.00% | +1,961+3.4% | Added |
| Ameriprise Financial Inc | 52,322 | $1.71M | 0.00% | −6,486−11.0% | Reduced |
| Fisher Asset Management, LLC | 51,444 | $1.68M | 0.00% | +10,841+26.7% | Added |
| Acadian Asset Management LLC | 50,988 | $1.66M | 0.00% | −2,181−4.1% | Reduced |
| AQR Capital Management LLC | 48,572 | $1.59M | 0.00% | +2,340+5.1% | Added |
| Envestnet Asset Management Inc | 48,467 | $1.59M | 0.00% | +6,338+15.0% | Added |
| Legato Capital Management LLC | 43,760 | $1.43M | 0.13% | −9,770−18.3% | Reduced |
| Voya Investment Management LLC | 41,191 | $1.35M | 0.00% | −11,637−22.0% | Reduced |
| Boothbay Fund Management, LLC | 39,824 | $1.30M | 0.03% | −15,608−28.2% | Reduced |
| Alliancebernstein L.P. | 44,980 | $1.28M | 0.00% | +1,200+2.7% | Added |
| Creative Planning | 38,927 | $1.27M | 0.00% | +1,323+3.5% | Added |
| Susquehanna International Group, LLP | 38,752 | $1.27M | 0.00% | +23,050+146.8% | Added |
| New York State Common Retirement Fund | 36,911 | $1.21M | 0.00% | +1,500+4.2% | Added |
| Lazard Asset Management LLC | 36,349 | $1.19M | 0.00% | +36,349 | New |
| Victory Capital Management Inc | 36,300 | $1.19M | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 34,588 | $1.13M | 0.00% | −5,268−13.2% | Reduced |
| Prudential Financial Inc | 33,562 | $1.10M | 0.00% | +3,070+10.1% | Added |
| Williams Jones Wealth Management, LLC. | 32,000 | $1.05M | 0.01% | 00.0% | Unchanged |
| California State Teachers Retirement System | 30,707 | $1.00M | 0.00% | −238−0.8% | Reduced |
| Gsa Capital Partners LLP | 30,378 | $994.0K | 0.06% | +3,626+13.6% | Added |
| Great West Life Assurance Co | 25,033 | $820.0K | 0.00% | 00.0% | Unchanged |
| Crown Advisors Management, Inc. | 25,000 | $817.0K | 0.54% | +25,000 | New |
| Kings Path Partners LLC | 24,500 | $801.4K | 0.28% | 00.0% | Unchanged |
| M&T Bank Corp | 23,996 | $784.5K | 0.00% | +3,831+19.0% | Added |
| Price T Rowe Associates Inc | 22,884 | $749.0K | 0.00% | +3,728+19.5% | Added |
| Campbell & CO Investment Adviser LLC | 22,117 | $723.4K | 0.04% | +22,117 | New |
| Quantinno Capital Management LP | 21,657 | $708.4K | 0.00% | +3,219+17.5% | Added |
| Thrivent Financial for Lutherans | 21,363 | $699.0K | 0.00% | −629−2.9% | Reduced |
| Vanguard Asset Management, Ltd | 21,145 | $691.7K | 0.00% | +21,145 | New |
| Assenagon Asset Management S.A. | 20,503 | $670.7K | 0.00% | −826−3.9% | Reduced |
| Penn Capital Management Co Inc | 19,976 | $653.4K | 0.05% | 00.0% | Unchanged |
| Numerai GP LLC | 19,573 | $640.2K | 0.06% | +12,081+161.3% | Added |
| Federated Hermes, Inc. | 19,300 | $631.3K | 0.00% | 00.0% | Unchanged |
| Vident Advisory, LLC | 19,211 | $628.4K | 0.01% | +19,211 | New |
| Man Group plc | 18,777 | $614.2K | 0.00% | +18,777 | New |
| MetLife Investment Management | 18,692 | $611.4K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 18,301 | $598.6K | 0.01% | +18,301 | New |
| CVA Family Office, LLC | 17,774 | $581.4K | 0.06% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 16,418 | $569.9K | 0.00% | +373+2.3% | Added |
| CenterBook Partners LP | 17,405 | $569.3K | 0.03% | −17,071−49.5% | Reduced |
| State of Alaska, Department of Revenue | 17,253 | $563.0K | 0.01% | −334−1.9% | Reduced |
| Natixis Advisors, L.P. | 17,019 | $557.0K | 0.00% | +949+5.9% | Added |
| Illinois Municipal Retirement Fund | 16,385 | $536.0K | 0.01% | +1,718+11.7% | Added |