PDF SOLUTIONS INC's ticker is PDFS and the CUSIP is 693282105. A total of 136 filers reported holding PDF SOLUTIONS INC in Q4 2021. The put-call ratio across all filers is 0.32 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,105,935 | -64.1% | 64,998 | -50.0% | 0.01% | -62.9% |
| Q2 2023 | $5,861,512 | +5.9% | 129,967 | -0.4% | 0.04% | 0.0% |
| Q1 2023 | $5,535,405 | +51.7% | 130,552 | +2.1% | 0.04% | +45.8% |
| Q4 2022 | $3,647,993 | +40.5% | 127,910 | +20.8% | 0.02% | +33.3% |
| Q3 2022 | $2,596,000 | +11.1% | 105,843 | -2.5% | 0.02% | +20.0% |
| Q2 2022 | $2,336,000 | -20.6% | 108,611 | +2.9% | 0.02% | -6.2% |
| Q1 2022 | $2,941,000 | +42.5% | 105,511 | +62.5% | 0.02% | +45.5% |
| Q4 2021 | $2,064,000 | +801.3% | 64,932 | +554.4% | 0.01% | +1000.0% |
| Q3 2021 | $229,000 | +4480.0% | 9,923 | +3575.2% | 0.00% | – |
| Q2 2021 | $5,000 | -96.4% | 270 | -96.6% | 0.00% | -100.0% |
| Q1 2021 | $140,000 | -92.4% | 7,877 | -90.8% | 0.00% | -90.9% |
| Q4 2020 | $1,840,000 | -47.4% | 85,206 | -54.4% | 0.01% | -50.0% |
| Q3 2020 | $3,498,000 | -5.1% | 186,934 | -0.8% | 0.02% | -4.3% |
| Q2 2020 | $3,686,000 | +96.7% | 188,445 | +17.9% | 0.02% | +76.9% |
| Q1 2020 | $1,874,000 | -50.2% | 159,889 | -28.2% | 0.01% | -23.5% |
| Q4 2019 | $3,763,000 | +58.4% | 222,775 | +22.6% | 0.02% | +54.5% |
| Q3 2019 | $2,375,000 | -4.1% | 181,741 | -3.7% | 0.01% | 0.0% |
| Q2 2019 | $2,477,000 | +151.0% | 188,800 | +136.2% | 0.01% | +175.0% |
| Q1 2019 | $987,000 | +294.8% | 79,923 | +169.1% | 0.00% | +300.0% |
| Q4 2018 | $250,000 | -6.7% | 29,695 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $268,000 | +106.2% | 29,695 | +266.4% | 0.00% | 0.0% |
| Q2 2015 | $130,000 | -51.9% | 8,104 | -46.2% | 0.00% | 0.0% |
| Q1 2015 | $270,000 | -45.7% | 15,064 | -61.8% | 0.00% | -50.0% |
| Q3 2014 | $497,000 | +1320.0% | 39,397 | +2276.2% | 0.00% | – |
| Q2 2014 | $35,000 | – | 1,658 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Samjo Capital LLC | 545,000 | $24,579,500 | 20.60% |
| Cowen Prime Advisors LLC | 940,175 | $42,401,893 | 14.60% |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 657,500 | $29,653,250 | 4.89% |
| Divisar Capital Management LLC | 305,459 | $13,776,201 | 2.90% |
| Mesirow Financial Investment Management, Inc. | 10,152 | $457,855 | 1.94% |
| G2 Investment Partners Management LLC | 120,464 | $5,432,926 | 1.31% |
| SNYDER CAPITAL MANAGEMENT L P | 1,194,319 | $53,863,787 | 1.15% |
| Aquila Investment Management LLC | 29,000 | $1,307,900 | 1.07% |
| EMERALD ADVISERS, LLC | 531,557 | $23,973,221 | 1.05% |
| EMERALD MUTUAL FUND ADVISERS TRUST | 413,215 | $18,635,997 | 1.01% |