OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2025

Shares 255,062 Value ($000) $65 Avg Close $261.19 Range $231.66 - $292.34

Q3 2025

Shares 244,918 Value ($000) $61 Avg Close $228.27 Range $204.00 - $249.79

Q2 2025

Shares 54,112 Value ($000) $12 Avg Close $213.44 Range $164.08 - $241.64

Q1 2025

Shares 11,986 Value ($000) $2 Avg Close $190.49 Range $150.84 - $220.00

Q4 2024

Shares 11,346 Value ($000) $2 Avg Close $158.52 Range $129.84 - $189.13

Q3 2024

Shares 10,413 Value ($000) $2 Avg Close $143.78 Range $129.18 - $158.69

Q2 2024

Shares 10,264 Value ($000) $1 Avg Close $137.83 Range $126.57 - $145.25

Q1 2024

Shares 17,392 Value ($000) $2 Avg Close $131.26 Range $120.42 - $144.03

Q4 2023

Shares 16,695 Value ($000) $2 Avg Close $119.08 Range $103.04 - $132.60

Q3 2023

Shares 15,892 Value ($000) $2 Avg Close $120.57 Range $112.19 - $139.90

Q2 2023

Shares 12,838 Value ($000) $2 Avg Close $114.74 Range $99.11 - $127.07

Q1 2023

Shares 12,364 Value ($000) $1 Avg Close $92.62 Range $78.35 - $102.89

Q4 2022

Shares 12,168 Value ($000) $1 Avg Close $81.40 Range $69.31 - $90.71

Q3 2022

Shares 13,950 Value ($000) $1,007 Avg Close $87.60 Range $72.02 - $103.17

Q2 2022

Shares 12,879 Value ($000) $1,100 Avg Close $82.06 Range $76.09 - $87.38

Q1 2022

Shares 12,792 Value ($000) $1,089 Avg Close $84.05 Range $76.35 - $95.63

Q4 2021

Shares 76,819 Value ($000) $7,160 Avg Close $93.81 Range $87.97 - $98.88

Q3 2021

Shares 238,278 Value ($000) $22,589 Avg Close $97.38 Range $91.08 - $101.64

Q2 2021

Shares 425,316 Value ($000) $43,229 Avg Close $97.33 Range $91.95 - $102.24

Q1 2021

Shares 428,991 Value ($000) $41,226 Avg Close $94.91 Range $89.10 - $100.67

Q4 2020

Shares 477,789 Value ($000) $44,539 Avg Close $85.48 Range $76.31 - $94.87

Q3 2020

Shares 569,564 Value ($000) $44,204 Avg Close $74.61 Range $66.11 - $81.69

Q2 2020

Shares 567,936 Value ($000) $42,391 Avg Close $73.05 Range $63.09 - $85.01

Q1 2020

Shares 564,965 Value ($000) $38,937 Avg Close $85.46 Range $49.96 - $102.61

Q4 2019

Shares 555,369 Value ($000) $55,948 Avg Close $98.82 Range $93.98 - $102.81

Q3 2019

Shares 542,455 Value ($000) $55,092 Avg Close $108.01 Range $93.05 - $117.21

Q2 2019

Shares 520,004 Value ($000) $58,568 Avg Close $100.77 Range $85.22 - $114.42

Q1 2019

Shares 489,990 Value ($000) $42,923 Avg Close $83.70 Range $70.22 - $91.19

Q4 2018

Shares 390,139 Value ($000) $28,597 Avg Close $72.14 Range $67.15 - $76.91

Q3 2018

Shares 323,242 Value ($000) $24,667 Avg Close $77.62 Range $73.70 - $82.94

Q2 2018

Shares 261,907 Value ($000) $20,253 Avg Close $69.82 Range $61.72 - $80.19

Q1 2018

Shares 262,696 Value ($000) $17,146 Avg Close $64.89 Range $50.50 - $73.28

Q4 2017

Shares 258,809 Value ($000) $16,662 Avg Close $84.03 Range $53.80 - $96.64

Q3 2017

Shares 256,480 Value ($000) $23,435 Avg Close $81.30 Range $74.96 - $92.34

Q2 2017

Shares 226,181 Value ($000) $16,998 Avg Close $75.70 Range $69.08 - $82.26

Q1 2017

Shares 223,728 Value ($000) $16,330 Avg Close $74.27 Range $69.45 - $81.55

Q4 2016

Shares 213,888 Value ($000) $16,281 Avg Close $72.10 Range $65.00 - $78.86

Q3 2016

Shares 213,088 Value ($000) $13,932 Avg Close $63.03 Range $55.76 - $69.49

Q2 2016

Shares 185,688 Value ($000) $10,794 Avg Close $55.08 Range $48.76 - $66.43

Q1 2016

Shares 189,838 Value ($000) $12,432 Avg Close $66.19 Range $48.19 - $88.33

Q4 2015

Shares 193,688 Value ($000) $17,172 Avg Close $87.50 Range $75.60 - $96.75

Q3 2015

Shares 162,338 Value ($000) $12,494 Avg Close $72.21 Range $66.94 - $79.28

Q2 2015

Shares 134,138 Value ($000) $9,496 Avg Close $72.33 Range $66.03 - $76.70

Q1 2015

Shares 3,938 Value ($000) $292 Avg Close $71.68 Range $66.90 - $75.00

Q4 2014

Shares 3,938 Value ($000) $279 Avg Close $68.20 Range $58.54 - $74.79

Q3 2014

Shares 3,938 Value ($000) $250 Avg Close $66.39 Range $62.10 - $70.27

Q2 2014

Shares 3,938 Value ($000) $263 Avg Close $59.67 Range $52.68 - $67.44

Q1 2014

Shares 3,938 Value ($000) $236 Avg Close $59.85 Range $51.85 - $66.78

Q4 2013

Shares 3,938 Value ($000) $209 Avg Close $68.42 Range $39.00 - $78.50

Q3 2013

Shares 5,038 Value ($000) $375 Avg Close $71.00 Range $63.20 - $76.25

Q2 2013

Shares 5,038 Value ($000) $325 Avg Close $58.30 Range $48.10 - $67.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	255,062	$65	$261.19	$231.66 - $292.34
Q3 2025	244,918	$61	$228.27	$204.00 - $249.79
Q2 2025	54,112	$12	$213.44	$164.08 - $241.64
Q1 2025	11,986	$2	$190.49	$150.84 - $220.00
Q4 2024	11,346	$2	$158.52	$129.84 - $189.13
Q3 2024	10,413	$2	$143.78	$129.18 - $158.69
Q2 2024	10,264	$1	$137.83	$126.57 - $145.25
Q1 2024	17,392	$2	$131.26	$120.42 - $144.03
Q4 2023	16,695	$2	$119.08	$103.04 - $132.60
Q3 2023	15,892	$2	$120.57	$112.19 - $139.90
Q2 2023	12,838	$2	$114.74	$99.11 - $127.07
Q1 2023	12,364	$1	$92.62	$78.35 - $102.89
Q4 2022	12,168	$1	$81.40	$69.31 - $90.71
Q3 2022	13,950	$1,007	$87.60	$72.02 - $103.17
Q2 2022	12,879	$1,100	$82.06	$76.09 - $87.38
Q1 2022	12,792	$1,089	$84.05	$76.35 - $95.63
Q4 2021	76,819	$7,160	$93.81	$87.97 - $98.88
Q3 2021	238,278	$22,589	$97.38	$91.08 - $101.64
Q2 2021	425,316	$43,229	$97.33	$91.95 - $102.24
Q1 2021	428,991	$41,226	$94.91	$89.10 - $100.67
Q4 2020	477,789	$44,539	$85.48	$76.31 - $94.87
Q3 2020	569,564	$44,204	$74.61	$66.11 - $81.69
Q2 2020	567,936	$42,391	$73.05	$63.09 - $85.01
Q1 2020	564,965	$38,937	$85.46	$49.96 - $102.61
Q4 2019	555,369	$55,948	$98.82	$93.98 - $102.81
Q3 2019	542,455	$55,092	$108.01	$93.05 - $117.21
Q2 2019	520,004	$58,568	$100.77	$85.22 - $114.42
Q1 2019	489,990	$42,923	$83.70	$70.22 - $91.19
Q4 2018	390,139	$28,597	$72.14	$67.15 - $76.91
Q3 2018	323,242	$24,667	$77.62	$73.70 - $82.94
Q2 2018	261,907	$20,253	$69.82	$61.72 - $80.19
Q1 2018	262,696	$17,146	$64.89	$50.50 - $73.28
Q4 2017	258,809	$16,662	$84.03	$53.80 - $96.64
Q3 2017	256,480	$23,435	$81.30	$74.96 - $92.34
Q2 2017	226,181	$16,998	$75.70	$69.08 - $82.26
Q1 2017	223,728	$16,330	$74.27	$69.45 - $81.55
Q4 2016	213,888	$16,281	$72.10	$65.00 - $78.86
Q3 2016	213,088	$13,932	$63.03	$55.76 - $69.49
Q2 2016	185,688	$10,794	$55.08	$48.76 - $66.43
Q1 2016	189,838	$12,432	$66.19	$48.19 - $88.33
Q4 2015	193,688	$17,172	$87.50	$75.60 - $96.75
Q3 2015	162,338	$12,494	$72.21	$66.94 - $79.28
Q2 2015	134,138	$9,496	$72.33	$66.03 - $76.70
Q1 2015	3,938	$292	$71.68	$66.90 - $75.00
Q4 2014	3,938	$279	$68.20	$58.54 - $74.79
Q3 2014	3,938	$250	$66.39	$62.10 - $70.27
Q2 2014	3,938	$263	$59.67	$52.68 - $67.44
Q1 2014	3,938	$236	$59.85	$51.85 - $66.78
Q4 2013	3,938	$209	$68.42	$39.00 - $78.50
Q3 2013	5,038	$375	$71.00	$63.20 - $76.25
Q2 2013	5,038	$325	$58.30	$48.10 - $67.50