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, Q4 2023
Institutional positions in PDF Solutions Inc as of Dec 31, 2023. 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
- 198
- +16 vs. Q3 2023
- Shares held
- 28.2M
- +1.81M (+6.9%) vs. Q3 2023
- Total value
- $907.8M
- +$51.8M (+6.1%) vs. Q3 2023
- New holders
- 39
- 83 more added
- Sold out
- 23
- 52 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding PDF Solutions Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −54,213−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −32,070−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −31,810−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −30,631−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −19,400−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −16,567−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −13,429−100.0% | Sold out |
| RPg Family Wealth Advisory, LLC | 0 | $0 | 0.00% | −13,328−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −12,607−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −12,142−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −10,593−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −9,722−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −8,935−100.0% | Sold out |
| Regions Financial Corp | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −6,765−100.0% | Sold out |
| Robeco Institutional Asset Management B.V. | 0 | $0 | 0.00% | −4,083−100.0% | Sold out |
| West Tower Group, LLC | 0 | $0 | 0.00% | −1,660−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −684−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −170−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −79−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Samjo Capital LLC | – | – | – | – | Not filed |
| Advisor Partners II, LLC | – | – | – | – | Not filed |