PDF Solutions Inc: which funds bought and sold
Institutions that bought and sold PDF Solutions shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 185 institutions that filed 13F reports for both quarters added to or opened positions in PDF Solutions, and 81 cut or closed them. Together they added a net 6.8M shares, +21.9% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 4.0M shares (+56.5%); index fund managers were net buyers of 1.5M shares (+13.9%). 92 opened a new position and 20 sold out entirely.
Bought, Q2 2026 185 institutions, 92 of them new holders Sold, Q2 2026 81 institutions, 20 of them sold out
Net change, all compared +6.8M shares (+21.9%)
Net change, active managers +4.0M shares (+56.5%), 25 bought, 19 sold
Buyers versus sellers
185 bought 28 81 sold
Active managers and hedge funds 25 bought · 19 sold · +4.0M
Index fund managers 9 bought · 2 sold · +1.5M
Other institutions 151 bought · 60 sold · +1.4M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jpmorgan Chase & Co | +913K +6221.7% | 927K | $61.1M |
| Wasatch Advisors LP Active manager | +873K +171.9% | 1.4M | $97.7M |
| Jennison Associates LLC Active manager | +716K New position | 716K | $50.7M |
| Blackrock, Inc. Index funds | +684K +14.1% | 5.6M | $393M |
| Atreides Management, LP Hedge fund | +659K New position | 659K | $46.6M |
| Point72 Asset Management, L.P. Hedge fund | +599K New position | 599K | $42.4M |
| Oberweis Asset Management Inc/ Active manager | +426K New position | 426K | $30.2M |
| Shannon River Fund Management LLC Hedge fund | +370K New position | 370K | $26.2M |
| Segall Bryant & Hamill, LLC Active manager | +347K New position | 347K | $24.6M |
| Baillie Gifford & Co Active manager | +345K New position | 345K | $24.5M |
| Invesco Ltd. | +279K +193.0% | 423K | $29.9M |
| Vanguard Capital Management LLC Index funds | +276K +19.9% | 1.7M | $118M |
| First Trust Advisors LP | +262K New position | 262K | $18.5M |
| Goldman Sachs Group Inc | +220K +145.9% | 371K | $26.3M |
| T. Rowe Price Investment Management, Inc. Active manager | +203K New position | 203K | $14.4M |
| State Street Corp Index funds | +194K +16.3% | 1.4M | $98.2M |
| Penn Capital Management Company, LLC Active manager | +183K +916.9% | 203K | $14.4M |
| Rockefeller Capital Management L.P. | +182K +57271.7% | 182K | $12.9M |
| Barrow Hanley Mewhinney & Strauss LLC Active manager | +179K +15.7% | 1.3M | $93.4M |
| Davenport & Co LLC | +150K New position | 150K | $10.6M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Wasatch Advisors LP Active manager | +873K +171.9% | 1.4M | $97.7M |
| Jennison Associates LLC Active manager | +716K New position | 716K | $50.7M |
| Atreides Management, LP Hedge fund | +659K New position | 659K | $46.6M |
| Point72 Asset Management, L.P. Hedge fund | +599K New position | 599K | $42.4M |
| Oberweis Asset Management Inc/ Active manager | +426K New position | 426K | $30.2M |
| Shannon River Fund Management LLC Hedge fund | +370K New position | 370K | $26.2M |
| Segall Bryant & Hamill, LLC Active manager | +347K New position | 347K | $24.6M |
| Baillie Gifford & Co Active manager | +345K New position | 345K | $24.5M |
| T. Rowe Price Investment Management, Inc. Active manager | +203K New position | 203K | $14.4M |
| Penn Capital Management Company, LLC Active manager | +183K +916.9% | 203K | $14.4M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| William Blair Investment Management, LLC Active manager | −701K −55.9% | 554K | $39.2M |
| Ophir Asset Management Pty Ltd | −530K −46.6% | 607K | $43M |
| Samjo Management, LLC | −372K −40.4% | 548K | $38.8M |
| Divisar Capital Management LLC | −315K −50.6% | 308K | $21.8M |
| Loomis Sayles & Co L P Active manager | −184K −22.2% | 643K | $45.5M |
| Pillsbury Lake Capital LLC | −153K −56.5% | 118K | $8.3M |
| Connor, Clark & Lunn Investment Management Ltd. | −135K −41.2% | 194K | $13.7M |
| Ranger Investment Management, L.P. Active manager | −130K −10.2% | 1.1M | $81.4M |
| Roubaix Capital, LLC | −128K −70.6% | 54K | $3.8M |
| Inspire Advisors, LLC | −84K Sold out | 0 | — |
| Arrowmark Colorado Holdings LLC | −82K −23.0% | 275K | $19.4M |
| Lisanti Capital Growth, LLC | −81K Sold out | 0 | — |
| Herald Investment Management Ltd | −80K −40.2% | 120K | $8.5M |
| Prelude Capital Management, LLC | −52K −57.6% | 38K | $2.7M |
| Russell Investments Group, Ltd. | −47K −10.6% | 395K | $28M |
| Lazard Asset Management LLC Active manager | −36K Sold out | 0 | — |
| Squarepoint Ops LLC Hedge fund | −36K −27.2% | 95K | $6.7M |
| Legato Capital Management LLC | −33K −75.1% | 11K | $772,814 |
| Gsa Capital Partners LLP | −30K Sold out | 0 | — |
| Emerald Mutual Fund Advisers Trust | −28K −4.7% | 566K | $40.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| William Blair Investment Management, LLC Active manager | −701K −55.9% | 554K | $39.2M |
| Loomis Sayles & Co L P Active manager | −184K −22.2% | 643K | $45.5M |
| Ranger Investment Management, L.P. Active manager | −130K −10.2% | 1.1M | $81.4M |
| Lazard Asset Management LLC Active manager | −36K Sold out | 0 | — |
| Squarepoint Ops LLC Hedge fund | −36K −27.2% | 95K | $6.7M |
| Snyder Capital Management L P Active manager | −26K −2.5% | 1.0M | $73.2M |
| Boothbay Fund Management, LLC Hedge fund | −25K −61.8% | 15K | $1.1M |
| Fisher Asset Management, LLC Active manager | −21K −40.5% | 31K | $2.2M |
| Victory Capital Management Inc Active manager | −18K −49.3% | 18K | $1.3M |
| Centerbook Partners LP Hedge fund | −17K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Jennison Associates LLCActive manager | 716K | $50.7M |
| Atreides Management, LPHedge fund | 659K | $46.6M |
| Point72 Asset Management, L.P.Hedge fund | 599K | $42.4M |
| Oberweis Asset Management Inc/Active manager | 426K | $30.2M |
| Shannon River Fund Management LLCHedge fund | 370K | $26.2M |
| Segall Bryant & Hamill, LLCActive manager | 347K | $24.6M |
| Baillie Gifford & CoActive manager | 345K | $24.5M |
| First Trust Advisors LP | 262K | $18.5M |
| T. Rowe Price Investment Management, Inc.Active manager | 203K | $14.4M |
| Davenport & Co LLC | 150K | $10.6M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Inspire Advisors, LLC | 84K | $2.8M |
| Lisanti Capital Growth, LLC | 81K | $2.7M |
| Lazard Asset Management LLCActive manager | 36K | $1.2M |
| Gsa Capital Partners LLP | 30K | $994,000 |
| Centerbook Partners LPHedge fund | 17K | $569,318 |
| Nano Cap New Millennium Growth Fund L P | 13K | $408,875 |
| Dark Forest Capital Management LP | 12K | $379,076 |
| Voloridge Investment Management, LLCHedge fund | 12K | $378,880 |
| Polymer Capital Management (US) LLC | 11K | $357,030 |
| Inceptionr LLC | 9,475 | $309,927 |
Who holds the shares
- Institutions reporting
- 279
- Ten largest holders
- 46.1% of 13F-reported shares
- Index fund managers
- 31.1% of 13F-reported shares
- Active managers and hedge funds
- 28.1% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 25 | 19 | 18 | 4 | +4.0M | +56.5% |
| Index fund managers | 9 | 2 | 1 | 0 | +1.5M | +13.9% |
| Other institutions | 151 | 60 | 73 | 16 | +1.4M | +10.3% |