OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2025

Shares 4,466 Value ($000) $1,139 Avg Close $261.19 Range $231.66 - $292.34

Q3 2025

Shares 4,711 Value ($000) $1,174 Avg Close $228.27 Range $204.00 - $249.79

Q2 2025

Shares 4,640 Value ($000) $1,043 Avg Close $213.44 Range $164.08 - $241.64

Q1 2025

Shares 4,526 Value ($000) $880 Avg Close $190.49 Range $150.84 - $220.00

Q4 2024

Shares 4,567 Value ($000) $765 Avg Close $158.52 Range $129.84 - $189.13

Q3 2024

Shares 4,664 Value ($000) $708 Avg Close $143.78 Range $129.18 - $158.69

Q2 2024

Shares 4,532 Value ($000) $623 Avg Close $137.83 Range $126.57 - $145.25

Q1 2024

Shares 4,435 Value ($000) $633 Avg Close $131.26 Range $120.42 - $144.03

Q4 2023

Shares 4,462 Value ($000) $576 Avg Close $119.08 Range $103.04 - $132.60

Q3 2023

Shares 4,524 Value ($000) $534 Avg Close $120.57 Range $112.19 - $139.90

Q2 2023

Shares 4,497 Value ($000) $530 Avg Close $114.74 Range $99.11 - $127.07

Q1 2023

Shares 4,639 Value ($000) $475 Avg Close $92.62 Range $78.35 - $102.89

Q4 2022

Shares 4,534 Value ($000) $361 Avg Close $81.40 Range $69.31 - $90.71

Q3 2022

Shares 4,400 Value ($000) $317 Avg Close $87.60 Range $72.02 - $103.17

Q2 2022

Shares 4,551 Value ($000) $389 Avg Close $82.06 Range $76.09 - $87.38

Q1 2022

Shares 4,607 Value ($000) $392 Avg Close $84.05 Range $76.35 - $95.63

Q4 2021

Shares 4,575 Value ($000) $426 Avg Close $93.81 Range $87.97 - $98.88

Q3 2021

Shares 4,653 Value ($000) $441 Avg Close $97.38 Range $91.08 - $101.64

Q2 2021

Shares 4,641 Value ($000) $472 Avg Close $97.33 Range $91.95 - $102.24

Q1 2021

Shares 4,956 Value ($000) $476 Avg Close $94.91 Range $89.10 - $100.67

Q4 2020

Shares 4,981 Value ($000) $464 Avg Close $85.48 Range $76.31 - $94.87

Q3 2020

Shares 5,163 Value ($000) $401 Avg Close $74.61 Range $66.11 - $81.69

Q2 2020

Shares 3,925 Value ($000) $293 Avg Close $73.05 Range $63.09 - $85.01

Q1 2020

Shares 4,094 Value ($000) $282 Avg Close $85.46 Range $49.96 - $102.61

Q4 2019

Shares 11,384 Value ($000) $1,147 Avg Close $98.82 Range $93.98 - $102.81

Q3 2019

Shares 19,900 Value ($000) $2,021 Avg Close $108.01 Range $93.05 - $117.21

Q2 2019

Shares 26,119 Value ($000) $2,942 Avg Close $100.77 Range $85.22 - $114.42

Q1 2019

Shares 25,926 Value ($000) $2,271 Avg Close $83.70 Range $70.22 - $91.19

Q4 2018

Shares 25,999 Value ($000) $1,906 Avg Close $72.14 Range $67.15 - $76.91

Q3 2018

Shares 24,409 Value ($000) $1,863 Avg Close $77.62 Range $73.70 - $82.94

Q2 2018

Shares 24,767 Value ($000) $1,915 Avg Close $69.82 Range $61.72 - $80.19

Q1 2018

Shares 28,168 Value ($000) $1,839 Avg Close $64.89 Range $50.50 - $73.28

Q4 2017

Shares 29,968 Value ($000) $1,929 Avg Close $84.03 Range $53.80 - $96.64

Q3 2017

Shares 9,154 Value ($000) $836 Avg Close $81.30 Range $74.96 - $92.34

Q2 2017

Shares 9,254 Value ($000) $695 Avg Close $75.70 Range $69.08 - $82.26

Q1 2017

Shares 9,454 Value ($000) $690 Avg Close $74.27 Range $69.45 - $81.55

Q4 2016

Shares 9,354 Value ($000) $712 Avg Close $72.10 Range $65.00 - $78.86

Q3 2016

Shares 9,354 Value ($000) $612 Avg Close $63.03 Range $55.76 - $69.49

Q2 2016

Shares 9,154 Value ($000) $532 Avg Close $55.08 Range $48.76 - $66.43

Q1 2016

Shares 9,354 Value ($000) $613 Avg Close $66.19 Range $48.19 - $88.33

Q4 2015

Shares 9,054 Value ($000) $803 Avg Close $87.50 Range $75.60 - $96.75

Q3 2015

Shares 8,854 Value ($000) $681 Avg Close $72.21 Range $66.94 - $79.28

Q4 2014

Shares 13,000 Value ($000) $920 Avg Close $68.20 Range $58.54 - $74.79

Q3 2014

Shares 12,900 Value ($000) $818 Avg Close $66.39 Range $62.10 - $70.27

Q2 2014

Shares 13,600 Value ($000) $907 Avg Close $59.67 Range $52.68 - $67.44

Q1 2014

Shares 13,400 Value ($000) $802 Avg Close $59.85 Range $51.85 - $66.78

Q4 2013

Shares 15,100 Value ($000) $801 Avg Close $68.42 Range $39.00 - $78.50

Q3 2013

Shares 16,800 Value ($000) $1,251 Avg Close $71.00 Range $63.20 - $76.25

Q2 2013

Shares 16,500 Value ($000) $1,062 Avg Close $58.30 Range $48.10 - $67.50

Q1 2013

Shares 16,500 Value ($000) $1,027 Avg Close $61.66 Range $53.14 - $72.02

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,466	$1,139	$261.19	$231.66 - $292.34
Q3 2025	4,711	$1,174	$228.27	$204.00 - $249.79
Q2 2025	4,640	$1,043	$213.44	$164.08 - $241.64
Q1 2025	4,526	$880	$190.49	$150.84 - $220.00
Q4 2024	4,567	$765	$158.52	$129.84 - $189.13
Q3 2024	4,664	$708	$143.78	$129.18 - $158.69
Q2 2024	4,532	$623	$137.83	$126.57 - $145.25
Q1 2024	4,435	$633	$131.26	$120.42 - $144.03
Q4 2023	4,462	$576	$119.08	$103.04 - $132.60
Q3 2023	4,524	$534	$120.57	$112.19 - $139.90
Q2 2023	4,497	$530	$114.74	$99.11 - $127.07
Q1 2023	4,639	$475	$92.62	$78.35 - $102.89
Q4 2022	4,534	$361	$81.40	$69.31 - $90.71
Q3 2022	4,400	$317	$87.60	$72.02 - $103.17
Q2 2022	4,551	$389	$82.06	$76.09 - $87.38
Q1 2022	4,607	$392	$84.05	$76.35 - $95.63
Q4 2021	4,575	$426	$93.81	$87.97 - $98.88
Q3 2021	4,653	$441	$97.38	$91.08 - $101.64
Q2 2021	4,641	$472	$97.33	$91.95 - $102.24
Q1 2021	4,956	$476	$94.91	$89.10 - $100.67
Q4 2020	4,981	$464	$85.48	$76.31 - $94.87
Q3 2020	5,163	$401	$74.61	$66.11 - $81.69
Q2 2020	3,925	$293	$73.05	$63.09 - $85.01
Q1 2020	4,094	$282	$85.46	$49.96 - $102.61
Q4 2019	11,384	$1,147	$98.82	$93.98 - $102.81
Q3 2019	19,900	$2,021	$108.01	$93.05 - $117.21
Q2 2019	26,119	$2,942	$100.77	$85.22 - $114.42
Q1 2019	25,926	$2,271	$83.70	$70.22 - $91.19
Q4 2018	25,999	$1,906	$72.14	$67.15 - $76.91
Q3 2018	24,409	$1,863	$77.62	$73.70 - $82.94
Q2 2018	24,767	$1,915	$69.82	$61.72 - $80.19
Q1 2018	28,168	$1,839	$64.89	$50.50 - $73.28
Q4 2017	29,968	$1,929	$84.03	$53.80 - $96.64
Q3 2017	9,154	$836	$81.30	$74.96 - $92.34
Q2 2017	9,254	$695	$75.70	$69.08 - $82.26
Q1 2017	9,454	$690	$74.27	$69.45 - $81.55
Q4 2016	9,354	$712	$72.10	$65.00 - $78.86
Q3 2016	9,354	$612	$63.03	$55.76 - $69.49
Q2 2016	9,154	$532	$55.08	$48.76 - $66.43
Q1 2016	9,354	$613	$66.19	$48.19 - $88.33
Q4 2015	9,054	$803	$87.50	$75.60 - $96.75
Q3 2015	8,854	$681	$72.21	$66.94 - $79.28
Q4 2014	13,000	$920	$68.20	$58.54 - $74.79
Q3 2014	12,900	$818	$66.39	$62.10 - $70.27
Q2 2014	13,600	$907	$59.67	$52.68 - $67.44
Q1 2014	13,400	$802	$59.85	$51.85 - $66.78
Q4 2013	15,100	$801	$68.42	$39.00 - $78.50
Q3 2013	16,800	$1,251	$71.00	$63.20 - $76.25
Q2 2013	16,500	$1,062	$58.30	$48.10 - $67.50
Q1 2013	16,500	$1,027	$61.66	$53.14 - $72.02