Power Integrations shares owned by William Blair Investment Management
Quarter-by-quarter ownership of Power Integrations (POWI) shares owned by William Blair Investment Management
from 13F filings
Historical chart of William Blair Investment Management investment in Power Integrations
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Quarterly reported holdings in Power Integrations by William Blair Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-03-31 | $354k | 7.0k | 50.50 |
| 2024-12-31 | $629k | 10k | 61.70 |
| 2024-09-30 | $658k | 10k | 64.12 |
| 2024-06-30 | $575k | 8.2k | 70.19 |
| 2024-03-31 | $21M | 296k | 71.55 |
| 2023-12-31 | $24M | 286k | 82.11 |
| 2023-09-30 | $19M | 251k | 76.31 |
| 2023-06-30 | $19M | 201k | 94.67 |
| 2023-03-31 | $18M | 214k | 84.64 |
| 2022-12-31 | $11M | 153k | 71.72 |
| 2022-09-30 | $9.6M | 150k | 64.32 |
| 2022-06-30 | $31M | 416k | 75.01 |
| 2022-03-31 | $43M | 461k | 92.68 |
| 2021-12-31 | $35M | 381k | 92.89 |
| 2021-09-30 | $17M | 170k | 98.99 |
| 2018-06-30 | $256k | 3.5k | 72.93 |
More positions owned by William Blair Investment Management
View all positions for William Blair Investment Management