News + Filings Holdings
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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
> POWI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2023 | POWER INTEGRATIONS INC | POWI | 213,577 | 60,402 | 18,077,157,000 | 7,091,446,000 | $84,640.00 |
| 12/31/2022 | POWER INTEGRATIONS INC | POWI | 153,175 | 3,399 | 10,985,711,000 | 10,976,077,000 | $71,720.00 |
| 09/30/2022 | POWER INTEGRATIONS INC | POWI | 149,776 | -265,971 | 9,634,000 | -21,551,000 | $64.32 |
| 06/30/2022 | POWER INTEGRATIONS INC | POWI | 415,747 | -45,174 | 31,185,000 | -11,533,000 | $75.01 |
| 03/31/2022 | POWER INTEGRATIONS INC | POWI | 460,921 | 79,718 | 42,718,000 | 7,308,000 | $92.68 |
| 12/31/2021 | POWER INTEGRATIONS INC | POWI | 381,203 | 210,984 | 35,410,000 | 18,560,000 | $92.89 |
| 09/30/2021 | POWER INTEGRATIONS INC | POWI | 170,219 | 170,219 | 16,850,000 | 16,850,000 | $98.99 |
| 09/30/2018 | POWER INTEGRATIONS INC | POWI | 0 | -3,510 | 0 | -256,000 | |
| 06/30/2018 | POWER INTEGRATIONS INC | POWI | 3,510 | 3,510 | 256,000 | 256,000 | $72.93 |
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