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EMERALD ADVISERS, LLC
> PDFS
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2023 | PDF SOLUTIONS INC | PDFS | 506,737 | 397,711 | 21,485,649,000 | 21,483,304,000 | $42,400.00 |
| 06/30/2022 | PDF SOLUTIONS INC | PDFS | 109,026 | 109,026 | 2,345,000 | 2,345,000 | $21.51 |
| 03/31/2016 | PDF SOLUTIONS INC | PDFS | 0 | -151,049 | 0 | -3,207,000 | |
| 12/31/2015 | PDF SOLUTIONS INC | PDFS | 0 | -151,049 | 0 | -3,207,000 | |
| 12/31/2014 | PDF SOLUTIONS INC | PDFS | 0 | -263,141 | 0 | -3,318,000 | |
| 09/30/2014 | PDF SOLUTIONS INC | PDFS | 263,141 | 112,092 | 3,318,000 | 111,000 | $12.61 |
| 06/30/2014 | PDF SOLUTIONS INC | PDFS | 263,141 | 112,092 | 5,584,000 | 2,377,000 | $21.22 |
| 03/31/2014 | PDF SOLUTIONS INC | PDFS | 264,381 | 113,332 | 4,804,000 | 1,597,000 | $18.17 |
| 12/31/2013 | PDF SOLUTIONS INC | PDFS | 270,744 | 119,695 | 6,936,000 | 3,729,000 | $25.62 |
| 09/30/2013 | PDF SOLUTIONS INC | PDFS | 151,049 | 151,049 | 3,207,000 | 3,207,000 | $21.23 |
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