POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025
Shares 52,426 Value ($000) $1,863 Avg Close $37.75 Range $30.67 - $50.10
Q3 2025
Shares 52,521 Value ($000) $2,112 Avg Close $47.82 Range $38.91 - $59.47
Q2 2025
Shares 52,519 Value ($000) $2,936 Avg Close $50.63 Range $40.18 - $58.36
Q1 2025
Shares 52,401 Value ($000) $2,646 Avg Close $58.83 Range $48.83 - $66.96
Q4 2024
Shares 53,125 Value ($000) $3,278 Avg Close $62.30 Range $58.36 - $68.04
Q3 2024
Shares 53,687 Value ($000) $3,442 Avg Close $64.50 Range $55.42 - $77.20
Q2 2024
Shares 55,486 Value ($000) $3,895 Avg Close $69.91 Range $60.46 - $76.87
Q1 2024
Shares 56,905 Value ($000) $4,072 Avg Close $72.52 Range $66.34 - $82.47
Q4 2023
Shares 60,521 Value ($000) $4,969 Avg Close $74.26 Range $64.74 - $87.01
Q3 2023
Shares 63,260 Value ($000) $4,827 Avg Close $82.69 Range $71.82 - $96.17
Q2 2023
Shares 69,236 Value ($000) $6,555 Avg Close $80.51 Range $68.31 - $92.22
Q1 2023
Shares 71,351 Value ($000) $6,039 Avg Close $79.89 Range $68.31 - $88.42
Q4 2022
Shares 72,413 Value ($000) $5,193 Avg Close $68.50 Range $56.73 - $78.55
Q3 2022
Shares 72,571 Value ($000) $4,668 Avg Close $71.65 Range $61.14 - $82.05
Q2 2022
Shares 75,246 Value ($000) $5,644 Avg Close $77.53 Range $68.33 - $90.01
Q1 2022
Shares 76,493 Value ($000) $7,089 Avg Close $83.11 Range $69.07 - $94.42
Q4 2021
Shares 84,077 Value ($000) $7,810 Avg Close $93.47 Range $80.70 - $105.05
Q3 2021
Shares 82,314 Value ($000) $8,148 Avg Close $92.08 Range $72.50 - $105.27
Q2 2021
Shares 83,207 Value ($000) $6,828 Avg Close $76.63 Range $69.29 - $83.54
Q1 2021
Shares 89,474 Value ($000) $7,290 Avg Close $82.50 Range $71.90 - $93.83
Q4 2020
Shares 89,296 Value ($000) $7,310 Avg Close $64.22 Range $50.77 - $77.70
Q3 2020
Shares 89,316 Value ($000) $4,948 Avg Close $54.41 Range $47.61 - $60.12
Q2 2020
Shares 44,446 Value ($000) $5,250 Avg Close $49.57 Range $37.10 - $57.79
Q1 2020
Shares 43,050 Value ($000) $3,803 Avg Close $45.43 Range $36.34 - $52.44
Q4 2019
Shares 43,515 Value ($000) $4,304 Avg Close $43.28 Range $39.70 - $46.87
Q3 2019
Shares 44,137 Value ($000) $3,991 Avg Close $40.65 Range $35.95 - $47.94
Q2 2019
Shares 43,610 Value ($000) $3,497 Avg Close $34.16 Range $30.41 - $38.00
Q1 2019
Shares 43,870 Value ($000) $3,068 Avg Close $31.72 Range $26.00 - $35.37
Q4 2018
Shares 45,649 Value ($000) $2,784 Avg Close $27.46 Range $22.01 - $30.60
Q3 2018
Shares 43,847 Value ($000) $2,771 Avg Close $33.39 Range $28.42 - $36.17
Q2 2018
Shares 43,849 Value ($000) $3,203 Avg Close $33.57 Range $30.31 - $37.33
Q1 2018
Shares 43,703 Value ($000) $2,987 Avg Close $32.97 Range $27.96 - $36.94
Q4 2017
Shares 45,235 Value ($000) $3,327 Avg Close $35.18 Range $32.26 - $39.91
Q3 2017
Shares 45,941 Value ($000) $3,363 Avg Close $33.61 Range $30.70 - $38.09
Q2 2017
Shares 50,818 Value ($000) $3,705 Avg Close $30.45 Range $28.41 - $34.96
Q1 2017
Shares 54,015 Value ($000) $3,551 Avg Close $30.47 Range $28.17 - $33.28
Q4 2016
Shares 56,515 Value ($000) $3,835 Avg Close $29.96 Range $27.74 - $32.06
Q3 2016
Shares 58,115 Value ($000) $3,663 Avg Close $25.95 Range $21.76 - $28.92
Q2 2016
Shares 57,515 Value ($000) $2,880 Avg Close $22.25 Range $20.39 - $24.96
Q1 2016
Shares 62,503 Value ($000) $3,104 Avg Close $20.90 Range $17.93 - $22.74
Q4 2015
Shares 54,548 Value ($000) $2,653 Avg Close $22.06 Range $18.20 - $23.98
Q3 2015
Shares 53,648 Value ($000) $2,262 Avg Close $18.09 Range $16.26 - $20.65
Q2 2015
Shares 53,748 Value ($000) $2,428 Avg Close $22.52 Range $19.63 - $24.33
Q1 2015
Shares 55,643 Value ($000) $2,898 Avg Close $24.21 Range $22.14 - $26.42
Q4 2014
Shares 56,743 Value ($000) $2,936 Avg Close $22.81 Range $19.04 - $25.19
Q3 2014
Shares 56,203 Value ($000) $3,030 Avg Close $25.20 Range $22.98 - $28.86
Q2 2014
Shares 55,584 Value ($000) $3,198 Avg Close $24.97 Range $16.99 - $30.03
Q1 2014
Shares 52,684 Value ($000) $3,466 Avg Close $27.03 Range $24.11 - $30.73
Q4 2013
Shares 52,484 Value ($000) $2,930 Avg Close $24.04 Range $22.49 - $26.82
Q3 2013
Shares 52,084 Value ($000) $2,820 Avg Close $23.02 Range $17.96 - $25.46
Q2 2013
Shares 50,503 Value ($000) $2,048 Avg Close $18.48 Range $16.68 - $20.17
Q1 2013
Shares 49,366 Value ($000) $2,143 Avg Close $17.79 Range $14.95 - $20.40