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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,485,000 | +77.8% | 46,744 | +9.5% | 0.00% | -50.0% |
| Q2 2020 | $835,000 | -64.0% | 42,703 | -78.5% | 0.01% | -73.9% |
| Q1 2020 | $2,322,000 | -3.9% | 198,167 | +38.5% | 0.02% | +35.3% |
| Q4 2019 | $2,417,000 | +1544.2% | 143,099 | +1176.1% | 0.02% | +1600.0% |
| Q3 2019 | $147,000 | -66.4% | 11,214 | -53.5% | 0.00% | -87.5% |
| Q1 2014 | $438,000 | – | 24,130 | – | 0.01% | – |
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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% |