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 | $5,187,143 | +39.8% | 160,097 | +94.6% | 0.00% | 0.0% |
| Q2 2023 | $3,710,242 | +55.4% | 82,267 | +46.1% | 0.00% | 0.0% |
| Q1 2023 | $2,386,908 | +33.6% | 56,295 | -10.1% | 0.00% | – |
| Q4 2022 | $1,786,635 | +82.9% | 62,645 | +57.3% | 0.00% | – |
| Q3 2022 | $977,000 | -37.8% | 39,814 | -45.5% | 0.00% | – |
| Q2 2022 | $1,571,000 | -0.3% | 73,003 | +29.2% | 0.00% | – |
| Q1 2022 | $1,575,000 | +37.9% | 56,522 | +57.4% | 0.00% | – |
| Q4 2021 | $1,142,000 | -57.8% | 35,908 | -69.4% | 0.00% | -100.0% |
| Q3 2021 | $2,707,000 | +6.2% | 117,493 | -16.2% | 0.00% | 0.0% |
| Q2 2021 | $2,549,000 | +178.9% | 140,216 | +172.7% | 0.00% | – |
| Q1 2021 | $914,000 | +4.9% | 51,410 | +27.4% | 0.00% | – |
| Q4 2020 | $871,000 | -54.0% | 40,354 | -60.1% | 0.00% | -100.0% |
| Q3 2020 | $1,894,000 | +47.0% | 101,247 | +53.7% | 0.00% | – |
| Q2 2020 | $1,288,000 | -32.3% | 65,867 | -59.4% | 0.00% | -100.0% |
| Q1 2020 | $1,902,000 | -1.7% | 162,277 | +41.7% | 0.00% | – |
| Q4 2019 | $1,934,000 | +221.8% | 114,513 | +148.9% | 0.00% | – |
| Q3 2019 | $601,000 | +224.9% | 46,003 | +227.0% | 0.00% | – |
| Q2 2019 | $185,000 | -81.4% | 14,068 | -82.6% | 0.00% | – |
| Q1 2019 | $997,000 | +40.0% | 80,733 | -4.5% | 0.00% | – |
| Q4 2018 | $712,000 | -15.6% | 84,499 | -9.6% | 0.00% | – |
| Q3 2018 | $844,000 | -13.0% | 93,426 | +15.4% | 0.00% | – |
| Q2 2018 | $970,000 | +2.8% | 80,967 | +0.0% | 0.00% | – |
| Q1 2018 | $944,000 | -7.4% | 80,950 | +24.7% | 0.00% | – |
| Q4 2017 | $1,019,000 | +177.7% | 64,894 | +190.2% | 0.00% | – |
| Q2 2017 | $367,000 | -54.9% | 22,365 | -37.7% | 0.00% | – |
| Q1 2017 | $813,000 | -22.5% | 35,919 | -22.8% | 0.00% | – |
| Q4 2016 | $1,049,000 | +6.3% | 46,535 | -14.4% | 0.00% | – |
| Q3 2016 | $987,000 | -12.0% | 54,354 | -32.2% | 0.00% | – |
| Q2 2016 | $1,121,000 | -5.5% | 80,174 | -9.5% | 0.00% | – |
| Q1 2016 | $1,186,000 | +812.3% | 88,629 | +637.3% | 0.00% | – |
| Q4 2015 | $130,000 | -43.5% | 12,020 | -47.7% | 0.00% | – |
| Q3 2015 | $230,000 | -34.7% | 22,995 | +4.4% | 0.00% | – |
| Q2 2015 | $352,000 | +62.2% | 22,019 | +81.6% | 0.00% | – |
| Q1 2015 | $217,000 | +19.2% | 12,124 | -15.8% | 0.00% | – |
| Q3 2014 | $182,000 | -53.7% | 14,394 | -22.3% | 0.00% | – |
| Q2 2014 | $393,000 | -35.5% | 18,530 | -44.7% | 0.00% | – |
| Q1 2014 | $609,000 | +24.3% | 33,511 | +75.1% | 0.00% | – |
| Q4 2013 | $490,000 | +29.3% | 19,143 | +7.2% | 0.00% | – |
| Q3 2013 | $379,000 | +34.4% | 17,855 | -12.6% | 0.00% | – |
| Q4 2012 | $282,000 | +89.3% | 20,440 | +87.7% | 0.00% | – |
| Q3 2012 | $149,000 | +7.2% | 10,892 | -22.9% | 0.00% | – |
| Q2 2012 | $139,000 | -34.7% | 14,130 | -44.1% | 0.00% | – |
| Q1 2012 | $213,000 | – | 25,298 | – | 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% |