POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

NEW YORK STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0000314969)

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

Q4 2025

Shares 25,400 Value ($000) $1 Avg Close $37.75 Range $30.67 - $50.10

Q3 2025

Shares 23,345 Value ($000) $1 Avg Close $47.82 Range $38.91 - $59.47

Q2 2025

Shares 23,745 Value ($000) $1 Avg Close $50.63 Range $40.18 - $58.36

Q1 2025

Shares 23,745 Value ($000) $1 Avg Close $58.83 Range $48.83 - $66.96

Q4 2024

Shares 23,745 Value ($000) $1 Avg Close $62.30 Range $58.36 - $68.04

Q3 2024

Shares 23,745 Value ($000) $2 Avg Close $64.50 Range $55.42 - $77.20

Q2 2024

Shares 23,945 Value ($000) $2 Avg Close $69.91 Range $60.46 - $76.87

Q1 2024

Shares 24,145 Value ($000) $2 Avg Close $72.52 Range $66.34 - $82.47

Q4 2023

Shares 24,145 Value ($000) $2 Avg Close $74.26 Range $64.74 - $87.01

Q3 2023

Shares 24,145 Value ($000) $2 Avg Close $82.69 Range $71.82 - $96.17

Q2 2023

Shares 24,245 Value ($000) $2 Avg Close $80.51 Range $68.31 - $92.22

Q1 2023

Shares 26,124 Value ($000) $2 Avg Close $79.89 Range $68.31 - $88.42

Q4 2022

Shares 26,424 Value ($000) $2 Avg Close $68.50 Range $56.73 - $78.55

Q3 2022

Shares 26,424 Value ($000) $1,700 Avg Close $71.65 Range $61.14 - $82.05

Q2 2022

Shares 26,424 Value ($000) $1,982 Avg Close $77.53 Range $68.33 - $90.01

Q1 2022

Shares 26,424 Value ($000) $2,449 Avg Close $83.11 Range $69.07 - $94.42

Q4 2021

Shares 26,624 Value ($000) $2,473 Avg Close $93.47 Range $80.70 - $105.05

Q3 2021

Shares 35,211 Value ($000) $3,486 Avg Close $92.08 Range $72.50 - $105.27

Q2 2021

Shares 36,171 Value ($000) $2,968 Avg Close $76.63 Range $69.29 - $83.54

Q1 2021

Shares 36,271 Value ($000) $2,955 Avg Close $82.50 Range $71.90 - $93.83

Q4 2020

Shares 41,571 Value ($000) $3,403 Avg Close $64.22 Range $50.77 - $77.70

Q3 2020

Shares 41,671 Value ($000) $2,309 Avg Close $54.41 Range $47.61 - $60.12

Q2 2020

Shares 21,534 Value ($000) $2,544 Avg Close $49.57 Range $37.10 - $57.79

Q1 2020

Shares 18,014 Value ($000) $1,591 Avg Close $45.43 Range $36.34 - $52.44

Q4 2019

Shares 18,014 Value ($000) $1,782 Avg Close $43.28 Range $39.70 - $46.87

Q3 2019

Shares 18,014 Value ($000) $1,629 Avg Close $40.65 Range $35.95 - $47.94

Q2 2019

Shares 18,014 Value ($000) $1,444 Avg Close $34.16 Range $30.41 - $38.00

Q1 2019

Shares 18,014 Value ($000) $1,260 Avg Close $31.72 Range $26.00 - $35.37

Q4 2018

Shares 18,014 Value ($000) $1,098 Avg Close $27.46 Range $22.01 - $30.60

Q3 2018

Shares 18,014 Value ($000) $1,138 Avg Close $33.39 Range $28.42 - $36.17

Q2 2018

Shares 18,014 Value ($000) $1,316 Avg Close $33.57 Range $30.31 - $37.33

Q1 2018

Shares 18,014 Value ($000) $1,231 Avg Close $32.97 Range $27.96 - $36.94

Q4 2017

Shares 18,014 Value ($000) $1,325 Avg Close $35.18 Range $32.26 - $39.91

Q3 2017

Shares 18,014 Value ($000) $1,319 Avg Close $33.61 Range $30.70 - $38.09

Q2 2017

Shares 18,014 Value ($000) $1,313 Avg Close $30.45 Range $28.41 - $34.96

Q1 2017

Shares 18,014 Value ($000) $1,184 Avg Close $30.47 Range $28.17 - $33.28

Q4 2016

Shares 18,214 Value ($000) $1,236 Avg Close $29.96 Range $27.74 - $32.06

Q3 2016

Shares 18,214 Value ($000) $1,148 Avg Close $25.95 Range $21.76 - $28.92

Q2 2016

Shares 18,414 Value ($000) $922 Avg Close $22.25 Range $20.39 - $24.96

Q1 2016

Shares 18,514 Value ($000) $919 Avg Close $20.90 Range $17.93 - $22.74

Q4 2015

Shares 18,514 Value ($000) $900 Avg Close $22.06 Range $18.20 - $23.98

Q3 2015

Shares 18,632 Value ($000) $786 Avg Close $18.09 Range $16.26 - $20.65

Q2 2015

Shares 18,632 Value ($000) $842 Avg Close $22.52 Range $19.63 - $24.33

Q1 2015

Shares 18,632 Value ($000) $970 Avg Close $24.21 Range $22.14 - $26.42

Q4 2014

Shares 18,732 Value ($000) $969 Avg Close $22.81 Range $19.04 - $25.19

Q3 2014

Shares 18,732 Value ($000) $1,010 Avg Close $25.20 Range $22.98 - $28.86

Q2 2014

Shares 18,732 Value ($000) $1,078 Avg Close $24.97 Range $16.99 - $30.03

Q1 2014

Shares 18,732 Value ($000) $1,232 Avg Close $27.03 Range $24.11 - $30.73

Q4 2013

Shares 19,332 Value ($000) $1,079 Avg Close $24.04 Range $22.49 - $26.82

Q3 2013

Shares 20,332 Value ($000) $1,101 Avg Close $23.02 Range $17.96 - $25.46

Q2 2013

Shares 21,432 Value ($000) $869 Avg Close $18.48 Range $16.68 - $20.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,400	$1	$37.75	$30.67 - $50.10
Q3 2025	23,345	$1	$47.82	$38.91 - $59.47
Q2 2025	23,745	$1	$50.63	$40.18 - $58.36
Q1 2025	23,745	$1	$58.83	$48.83 - $66.96
Q4 2024	23,745	$1	$62.30	$58.36 - $68.04
Q3 2024	23,745	$2	$64.50	$55.42 - $77.20
Q2 2024	23,945	$2	$69.91	$60.46 - $76.87
Q1 2024	24,145	$2	$72.52	$66.34 - $82.47
Q4 2023	24,145	$2	$74.26	$64.74 - $87.01
Q3 2023	24,145	$2	$82.69	$71.82 - $96.17
Q2 2023	24,245	$2	$80.51	$68.31 - $92.22
Q1 2023	26,124	$2	$79.89	$68.31 - $88.42
Q4 2022	26,424	$2	$68.50	$56.73 - $78.55
Q3 2022	26,424	$1,700	$71.65	$61.14 - $82.05
Q2 2022	26,424	$1,982	$77.53	$68.33 - $90.01
Q1 2022	26,424	$2,449	$83.11	$69.07 - $94.42
Q4 2021	26,624	$2,473	$93.47	$80.70 - $105.05
Q3 2021	35,211	$3,486	$92.08	$72.50 - $105.27
Q2 2021	36,171	$2,968	$76.63	$69.29 - $83.54
Q1 2021	36,271	$2,955	$82.50	$71.90 - $93.83
Q4 2020	41,571	$3,403	$64.22	$50.77 - $77.70
Q3 2020	41,671	$2,309	$54.41	$47.61 - $60.12
Q2 2020	21,534	$2,544	$49.57	$37.10 - $57.79
Q1 2020	18,014	$1,591	$45.43	$36.34 - $52.44
Q4 2019	18,014	$1,782	$43.28	$39.70 - $46.87
Q3 2019	18,014	$1,629	$40.65	$35.95 - $47.94
Q2 2019	18,014	$1,444	$34.16	$30.41 - $38.00
Q1 2019	18,014	$1,260	$31.72	$26.00 - $35.37
Q4 2018	18,014	$1,098	$27.46	$22.01 - $30.60
Q3 2018	18,014	$1,138	$33.39	$28.42 - $36.17
Q2 2018	18,014	$1,316	$33.57	$30.31 - $37.33
Q1 2018	18,014	$1,231	$32.97	$27.96 - $36.94
Q4 2017	18,014	$1,325	$35.18	$32.26 - $39.91
Q3 2017	18,014	$1,319	$33.61	$30.70 - $38.09
Q2 2017	18,014	$1,313	$30.45	$28.41 - $34.96
Q1 2017	18,014	$1,184	$30.47	$28.17 - $33.28
Q4 2016	18,214	$1,236	$29.96	$27.74 - $32.06
Q3 2016	18,214	$1,148	$25.95	$21.76 - $28.92
Q2 2016	18,414	$922	$22.25	$20.39 - $24.96
Q1 2016	18,514	$919	$20.90	$17.93 - $22.74
Q4 2015	18,514	$900	$22.06	$18.20 - $23.98
Q3 2015	18,632	$786	$18.09	$16.26 - $20.65
Q2 2015	18,632	$842	$22.52	$19.63 - $24.33
Q1 2015	18,632	$970	$24.21	$22.14 - $26.42
Q4 2014	18,732	$969	$22.81	$19.04 - $25.19
Q3 2014	18,732	$1,010	$25.20	$22.98 - $28.86
Q2 2014	18,732	$1,078	$24.97	$16.99 - $30.03
Q1 2014	18,732	$1,232	$27.03	$24.11 - $30.73
Q4 2013	19,332	$1,079	$24.04	$22.49 - $26.82
Q3 2013	20,332	$1,101	$23.02	$17.96 - $25.46
Q2 2013	21,432	$869	$18.48	$16.68 - $20.17