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, Q3 2021
Institutional positions in PDF Solutions Inc as of Sep 30, 2021. 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
- 112
- −3 vs. Q2 2021
- Shares held
- 26.0M
- −119.9K (−0.5%) vs. Q2 2021
- Total value
- $598.3M
- +$123.9M (+26.1%) vs. Q2 2021
- New holders
- 7
- 38 more added
- Sold out
- 10
- 44 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 | $767.2M |
| Q2 2025 | 173 | $623.7M |
| Q1 2025 | 168 | $528.9M |
| Q4 2024 | 178 | $766.0M |
| Q3 2024 | 176 | $899.0M |
| Q2 2024 | 173 | $1.02B |
| Q1 2024 | 180 | $942.8M |
| Q4 2023 | 198 | $907.8M |
| 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 | $838.0M |
| Q3 2021 | 112 | $598.3M |
| Q2 2021 | 116 | $508.8M |
| Q1 2021 | 102 | $457.1M |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tortoise Investment Management, LLC | 250 | $6.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 237 | $5.00K | 0.00% | +237 | New |
| Eaton Vance Management | 2,112 | $3.00K | 0.00% | +208+10.9% | Added |
| Sageworth Trust Co | 150 | $3.00K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 150 | $3.00K | 0.00% | +24+19.0% | Added |
| Parkside Financial Bank & Trust | 67 | $2.00K | 0.00% | −15−18.3% | Reduced |
| TCI Wealth Advisors, Inc. | 77 | $2.00K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 33 | $1.00K | 0.00% | +33 | New |
| Ellevest, Inc. | 46 | $1.00K | 0.00% | +46 | New |
| FMR LLC | 13 | $0 | 0.00% | 00.0% | Unchanged |
| O'Shaughnessy Asset Management, LLC | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Norges Bank | 0 | $0 | 0.00% | −112,574−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −23,456−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −15,026−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −12,424−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −12,080−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −10,375−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −350−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Cowen Prime Services LLC | – | – | – | – | Not filed |