POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025
Shares 128 Value ($000) $5 Avg Close $37.75 Range $30.67 - $50.10
Q3 2025
Shares 212 Value ($000) $9 Avg Close $47.82 Range $38.91 - $59.47
Q2 2025
Shares 128 Value ($000) $7 Avg Close $50.63 Range $40.18 - $58.36
Q1 2022
Shares 140 Value ($000) $13 Avg Close $83.11 Range $69.07 - $94.42
Q4 2020
Shares 427 Value ($000) $35 Avg Close $64.22 Range $50.77 - $77.70
Q3 2020
Shares 427 Value ($000) $24 Avg Close $54.41 Range $47.61 - $60.12
Q4 2017
Shares 50 Value ($000) $4 Avg Close $35.18 Range $32.26 - $39.91