OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

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

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

Q4 2025

Shares 12,603 Value ($000) $3 Avg Close $261.19 Range $231.66 - $292.34

Q3 2025

Shares 12,903 Value ($000) $3 Avg Close $228.27 Range $204.00 - $249.79

Q2 2025

Shares 12,903 Value ($000) $3 Avg Close $213.44 Range $164.08 - $241.64

Q1 2025

Shares 12,803 Value ($000) $2 Avg Close $190.49 Range $150.84 - $220.00

Q4 2024

Shares 12,903 Value ($000) $2 Avg Close $158.52 Range $129.84 - $189.13

Q3 2024

Shares 13,614 Value ($000) $2 Avg Close $143.78 Range $129.18 - $158.69

Q2 2024

Shares 13,714 Value ($000) $2 Avg Close $137.83 Range $126.57 - $145.25

Q1 2024

Shares 13,914 Value ($000) $2 Avg Close $131.26 Range $120.42 - $144.03

Q4 2023

Shares 14,014 Value ($000) $2 Avg Close $119.08 Range $103.04 - $132.60

Q3 2023

Shares 14,114 Value ($000) $2 Avg Close $120.57 Range $112.19 - $139.90

Q2 2023

Shares 14,214 Value ($000) $2 Avg Close $114.74 Range $99.11 - $127.07

Q1 2023

Shares 14,414 Value ($000) $1 Avg Close $92.62 Range $78.35 - $102.89

Q4 2022

Shares 14,514 Value ($000) $1 Avg Close $81.40 Range $69.31 - $90.71

Q3 2022

Shares 14,714 Value ($000) $1,060 Avg Close $87.60 Range $72.02 - $103.17

Q2 2022

Shares 14,714 Value ($000) $1,257 Avg Close $82.06 Range $76.09 - $87.38

Q1 2022

Shares 15,114 Value ($000) $1,287 Avg Close $84.05 Range $76.35 - $95.63

Q4 2021

Shares 15,214 Value ($000) $1,418 Avg Close $93.81 Range $87.97 - $98.88

Q3 2021

Shares 15,214 Value ($000) $1,442 Avg Close $97.38 Range $91.08 - $101.64

Q2 2021

Shares 15,114 Value ($000) $1,536 Avg Close $97.33 Range $91.95 - $102.24

Q1 2021

Shares 15,114 Value ($000) $1,452 Avg Close $94.91 Range $89.10 - $100.67

Q4 2020

Shares 16,114 Value ($000) $1,502 Avg Close $85.48 Range $76.31 - $94.87

Q3 2020

Shares 16,114 Value ($000) $1,251 Avg Close $74.61 Range $66.11 - $81.69

Q2 2020

Shares 17,114 Value ($000) $1,277 Avg Close $73.05 Range $63.09 - $85.01

Q1 2020

Shares 17,328 Value ($000) $1,194 Avg Close $85.46 Range $49.96 - $102.61

Q4 2019

Shares 17,328 Value ($000) $1,746 Avg Close $98.82 Range $93.98 - $102.81

Q3 2019

Shares 17,466 Value ($000) $1,774 Avg Close $108.01 Range $93.05 - $117.21

Q2 2019

Shares 16,166 Value ($000) $1,821 Avg Close $100.77 Range $85.22 - $114.42

Q1 2019

Shares 16,275 Value ($000) $1,426 Avg Close $83.70 Range $70.22 - $91.19

Q4 2018

Shares 16,380 Value ($000) $1,201 Avg Close $72.14 Range $67.15 - $76.91

Q3 2018

Shares 16,533 Value ($000) $1,262 Avg Close $77.62 Range $73.70 - $82.94

Q2 2018

Shares 16,707 Value ($000) $1,292 Avg Close $69.82 Range $61.72 - $80.19

Q1 2018

Shares 16,719 Value ($000) $1,091 Avg Close $64.89 Range $50.50 - $73.28

Q4 2017

Shares 16,719 Value ($000) $1,076 Avg Close $84.03 Range $53.80 - $96.64

Q3 2017

Shares 16,719 Value ($000) $1,528 Avg Close $81.30 Range $74.96 - $92.34

Q2 2017

Shares 16,919 Value ($000) $1,271 Avg Close $75.70 Range $69.08 - $82.26

Q1 2017

Shares 16,919 Value ($000) $1,235 Avg Close $74.27 Range $69.45 - $81.55

Q4 2016

Shares 16,919 Value ($000) $1,288 Avg Close $72.10 Range $65.00 - $78.86

Q3 2016

Shares 16,919 Value ($000) $1,106 Avg Close $63.03 Range $55.76 - $69.49

Q2 2016

Shares 16,919 Value ($000) $984 Avg Close $55.08 Range $48.76 - $66.43

Q1 2016

Shares 20,119 Value ($000) $1,318 Avg Close $66.19 Range $48.19 - $88.33

Q4 2015

Shares 20,119 Value ($000) $1,784 Avg Close $87.50 Range $75.60 - $96.75

Q3 2015

Shares 20,119 Value ($000) $1,548 Avg Close $72.21 Range $66.94 - $79.28

Q2 2015

Shares 20,201 Value ($000) $1,430 Avg Close $72.33 Range $66.03 - $76.70

Q1 2015

Shares 19,901 Value ($000) $1,478 Avg Close $71.68 Range $66.90 - $75.00

Q4 2014

Shares 17,301 Value ($000) $1,224 Avg Close $68.20 Range $58.54 - $74.79

Q3 2014

Shares 17,301 Value ($000) $1,098 Avg Close $66.39 Range $62.10 - $70.27

Q2 2014

Shares 17,401 Value ($000) $1,162 Avg Close $59.67 Range $52.68 - $67.44

Q1 2014

Shares 17,401 Value ($000) $1,042 Avg Close $59.85 Range $51.85 - $66.78

Q4 2013

Shares 18,501 Value ($000) $983 Avg Close $68.42 Range $39.00 - $78.50

Q3 2013

Shares 19,401 Value ($000) $1,443 Avg Close $71.00 Range $63.20 - $76.25

Q2 2013

Shares 20,201 Value ($000) $1,301 Avg Close $58.30 Range $48.10 - $67.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,603	$3	$261.19	$231.66 - $292.34
Q3 2025	12,903	$3	$228.27	$204.00 - $249.79
Q2 2025	12,903	$3	$213.44	$164.08 - $241.64
Q1 2025	12,803	$2	$190.49	$150.84 - $220.00
Q4 2024	12,903	$2	$158.52	$129.84 - $189.13
Q3 2024	13,614	$2	$143.78	$129.18 - $158.69
Q2 2024	13,714	$2	$137.83	$126.57 - $145.25
Q1 2024	13,914	$2	$131.26	$120.42 - $144.03
Q4 2023	14,014	$2	$119.08	$103.04 - $132.60
Q3 2023	14,114	$2	$120.57	$112.19 - $139.90
Q2 2023	14,214	$2	$114.74	$99.11 - $127.07
Q1 2023	14,414	$1	$92.62	$78.35 - $102.89
Q4 2022	14,514	$1	$81.40	$69.31 - $90.71
Q3 2022	14,714	$1,060	$87.60	$72.02 - $103.17
Q2 2022	14,714	$1,257	$82.06	$76.09 - $87.38
Q1 2022	15,114	$1,287	$84.05	$76.35 - $95.63
Q4 2021	15,214	$1,418	$93.81	$87.97 - $98.88
Q3 2021	15,214	$1,442	$97.38	$91.08 - $101.64
Q2 2021	15,114	$1,536	$97.33	$91.95 - $102.24
Q1 2021	15,114	$1,452	$94.91	$89.10 - $100.67
Q4 2020	16,114	$1,502	$85.48	$76.31 - $94.87
Q3 2020	16,114	$1,251	$74.61	$66.11 - $81.69
Q2 2020	17,114	$1,277	$73.05	$63.09 - $85.01
Q1 2020	17,328	$1,194	$85.46	$49.96 - $102.61
Q4 2019	17,328	$1,746	$98.82	$93.98 - $102.81
Q3 2019	17,466	$1,774	$108.01	$93.05 - $117.21
Q2 2019	16,166	$1,821	$100.77	$85.22 - $114.42
Q1 2019	16,275	$1,426	$83.70	$70.22 - $91.19
Q4 2018	16,380	$1,201	$72.14	$67.15 - $76.91
Q3 2018	16,533	$1,262	$77.62	$73.70 - $82.94
Q2 2018	16,707	$1,292	$69.82	$61.72 - $80.19
Q1 2018	16,719	$1,091	$64.89	$50.50 - $73.28
Q4 2017	16,719	$1,076	$84.03	$53.80 - $96.64
Q3 2017	16,719	$1,528	$81.30	$74.96 - $92.34
Q2 2017	16,919	$1,271	$75.70	$69.08 - $82.26
Q1 2017	16,919	$1,235	$74.27	$69.45 - $81.55
Q4 2016	16,919	$1,288	$72.10	$65.00 - $78.86
Q3 2016	16,919	$1,106	$63.03	$55.76 - $69.49
Q2 2016	16,919	$984	$55.08	$48.76 - $66.43
Q1 2016	20,119	$1,318	$66.19	$48.19 - $88.33
Q4 2015	20,119	$1,784	$87.50	$75.60 - $96.75
Q3 2015	20,119	$1,548	$72.21	$66.94 - $79.28
Q2 2015	20,201	$1,430	$72.33	$66.03 - $76.70
Q1 2015	19,901	$1,478	$71.68	$66.90 - $75.00
Q4 2014	17,301	$1,224	$68.20	$58.54 - $74.79
Q3 2014	17,301	$1,098	$66.39	$62.10 - $70.27
Q2 2014	17,401	$1,162	$59.67	$52.68 - $67.44
Q1 2014	17,401	$1,042	$59.85	$51.85 - $66.78
Q4 2013	18,501	$983	$68.42	$39.00 - $78.50
Q3 2013	19,401	$1,443	$71.00	$63.20 - $76.25
Q2 2013	20,201	$1,301	$58.30	$48.10 - $67.50