POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q1 2025
Shares 7,005 Value ($000) $354 Avg Close $58.83 Range $48.83 - $66.96
Q4 2024
Shares 10,188 Value ($000) $629 Avg Close $62.30 Range $58.36 - $68.04
Q3 2024
Shares 10,268 Value ($000) $658 Avg Close $64.50 Range $55.42 - $77.20
Q2 2024
Shares 8,190 Value ($000) $575 Avg Close $69.91 Range $60.46 - $76.87
Q1 2024
Shares 295,981 Value ($000) $21,177 Avg Close $72.52 Range $66.34 - $82.47
Q4 2023
Shares 286,185 Value ($000) $23,499 Avg Close $74.26 Range $64.74 - $87.01
Q3 2023
Shares 250,477 Value ($000) $19,114 Avg Close $82.69 Range $71.82 - $96.17
Q2 2023
Shares 200,474 Value ($000) $18,979 Avg Close $80.51 Range $68.31 - $92.22
Q1 2023
Shares 213,577 Value ($000) $18,077 Avg Close $79.89 Range $68.31 - $88.42
Q4 2022
Shares 153,175 Value ($000) $10,986 Avg Close $68.50 Range $56.73 - $78.55
Q3 2022
Shares 149,776 Value ($000) $9,634 Avg Close $71.65 Range $61.14 - $82.05
Q2 2022
Shares 415,747 Value ($000) $31,185 Avg Close $77.53 Range $68.33 - $90.01
Q1 2022
Shares 460,921 Value ($000) $42,718 Avg Close $83.11 Range $69.07 - $94.42
Q4 2021
Shares 381,203 Value ($000) $35,410 Avg Close $93.47 Range $80.70 - $105.05
Q3 2021
Shares 170,219 Value ($000) $16,850 Avg Close $92.08 Range $72.50 - $105.27
Q2 2018
Shares 3,510 Value ($000) $256 Avg Close $33.57 Range $30.31 - $37.33