POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2025
Shares 6,812 Value ($000) $242 Avg Close $37.75 Range $30.67 - $50.10
Q3 2025
Shares 52 Value ($000) $0 Avg Close $47.82 Range $38.91 - $59.47
Q4 2023
Shares 547 Value ($000) $0 Avg Close $74.26 Range $64.74 - $87.01
Q3 2023
Shares 379 Value ($000) $0 Avg Close $82.69 Range $71.82 - $96.17
Q3 2021
Shares 3,484 Value ($000) $287 Avg Close $92.08 Range $72.50 - $105.27
Q2 2021
Shares 84 Value ($000) $6 Avg Close $76.63 Range $69.29 - $83.54
Q4 2020
Shares 3,051 Value ($000) $249 Avg Close $64.22 Range $50.77 - $77.70
Q3 2020
Shares 380 Value ($000) $21 Avg Close $54.41 Range $47.61 - $60.12
Q2 2020
Shares 751 Value ($000) $88 Avg Close $49.57 Range $37.10 - $57.79
Q4 2019
Shares 433 Value ($000) $42 Avg Close $43.28 Range $39.70 - $46.87
Q2 2018
Shares 3,687 Value ($000) $269 Avg Close $33.57 Range $30.31 - $37.33
Q4 2017
Shares 101 Value ($000) $7 Avg Close $35.18 Range $32.26 - $39.91
Q2 2016
Shares 1,679 Value ($000) $84 Avg Close $22.25 Range $20.39 - $24.96
Q1 2016
Shares 1,707 Value ($000) $84 Avg Close $20.90 Range $17.93 - $22.74
Q3 2015
Shares 2,264 Value ($000) $95 Avg Close $18.09 Range $16.26 - $20.65
Q2 2015
Shares 236 Value ($000) $10 Avg Close $22.52 Range $19.63 - $24.33
Q1 2015
Shares 1,076 Value ($000) $56 Avg Close $24.21 Range $22.14 - $26.42