OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q4 2025

Shares 185,146 Value ($000) $47,223 Avg Close $261.19 Range $231.66 - $292.34

Q3 2025

Shares 244,645 Value ($000) $60,975 Avg Close $228.27 Range $204.00 - $249.79

Q2 2025

Shares 255,418 Value ($000) $57,433 Avg Close $213.44 Range $164.08 - $241.64

Q1 2025

Shares 300,039 Value ($000) $58,310 Avg Close $190.49 Range $150.84 - $220.00

Q4 2024

Shares 348,821 Value ($000) $58,403 Avg Close $158.52 Range $129.84 - $189.13

Q3 2024

Shares 370,160 Value ($000) $56,201 Avg Close $143.78 Range $129.18 - $158.69

Q2 2024

Shares 365,730 Value ($000) $50,295 Avg Close $137.83 Range $126.57 - $145.25

Q1 2024

Shares 389,446 Value ($000) $55,621 Avg Close $131.26 Range $120.42 - $144.03

Q4 2023

Shares 390,734 Value ($000) $50,424 Avg Close $119.08 Range $103.04 - $132.60

Q3 2023

Shares 390,767 Value ($000) $46,126 Avg Close $120.57 Range $112.19 - $139.90

Q2 2023

Shares 392,189 Value ($000) $46,212 Avg Close $114.74 Range $99.11 - $127.07

Q1 2023

Shares 390,975 Value ($000) $40,020 Avg Close $92.62 Range $78.35 - $102.89

Q4 2022

Shares 384,280 Value ($000) $30,558 Avg Close $81.40 Range $69.31 - $90.71

Q3 2022

Shares 380,597 Value ($000) $27,426 Avg Close $87.60 Range $72.02 - $103.17

Q2 2022

Shares 378,863 Value ($000) $32,370 Avg Close $82.06 Range $76.09 - $87.38

Q1 2022

Shares 378,638 Value ($000) $32,230 Avg Close $84.05 Range $76.35 - $95.63

Q4 2021

Shares 377,444 Value ($000) $35,178 Avg Close $93.81 Range $87.97 - $98.88

Q3 2021

Shares 377,025 Value ($000) $35,742 Avg Close $97.38 Range $91.08 - $101.64

Q2 2021

Shares 378,098 Value ($000) $38,430 Avg Close $97.33 Range $91.95 - $102.24

Q1 2021

Shares 377,308 Value ($000) $36,259 Avg Close $94.91 Range $89.10 - $100.67

Q4 2020

Shares 379,280 Value ($000) $35,356 Avg Close $85.48 Range $76.31 - $94.87

Q3 2020

Shares 377,795 Value ($000) $29,321 Avg Close $74.61 Range $66.11 - $81.69

Q2 2020

Shares 377,755 Value ($000) $28,196 Avg Close $73.05 Range $63.09 - $85.01

Q1 2020

Shares 376,640 Value ($000) $25,958 Avg Close $85.46 Range $49.96 - $102.61

Q4 2019

Shares 384,193 Value ($000) $39,253 Avg Close $98.82 Range $93.98 - $102.81

Q3 2019

Shares 383,409 Value ($000) $38,939 Avg Close $108.01 Range $93.05 - $117.21

Q2 2019

Shares 383,175 Value ($000) $43,157 Avg Close $100.77 Range $85.22 - $114.42

Q1 2019

Shares 383,446 Value ($000) $33,590 Avg Close $83.70 Range $70.22 - $91.19

Q4 2018

Shares 383,094 Value ($000) $28,081 Avg Close $72.14 Range $67.15 - $76.91

Q3 2018

Shares 373,499 Value ($000) $28,502 Avg Close $77.62 Range $73.70 - $82.94

Q2 2018

Shares 368,549 Value ($000) $28,500 Avg Close $69.82 Range $61.72 - $80.19

Q1 2018

Shares 388,073 Value ($000) $25,330 Avg Close $64.89 Range $50.50 - $73.28

Q4 2017

Shares 387,889 Value ($000) $24,972 Avg Close $84.03 Range $53.80 - $96.64

Q3 2017

Shares 387,669 Value ($000) $35,421 Avg Close $81.30 Range $74.96 - $92.34

Q2 2017

Shares 406,987 Value ($000) $30,585 Avg Close $75.70 Range $69.08 - $82.26

Q1 2017

Shares 552,403 Value ($000) $40,320 Avg Close $74.27 Range $69.45 - $81.55

Q4 2016

Shares 571,798 Value ($000) $43,525 Avg Close $72.10 Range $65.00 - $78.86

Q3 2016

Shares 650,377 Value ($000) $42,522 Avg Close $63.03 Range $55.76 - $69.49

Q2 2016

Shares 718,662 Value ($000) $41,776 Avg Close $55.08 Range $48.76 - $66.43

Q1 2016

Shares 716,413 Value ($000) $46,918 Avg Close $66.19 Range $48.19 - $88.33

Q4 2015

Shares 629,841 Value ($000) $55,842 Avg Close $87.50 Range $75.60 - $96.75

Q3 2015

Shares 665,291 Value ($000) $51,201 Avg Close $72.21 Range $66.94 - $79.28

Q2 2015

Shares 689,556 Value ($000) $48,814 Avg Close $72.33 Range $66.03 - $76.70

Q1 2015

Shares 693,043 Value ($000) $51,465 Avg Close $71.68 Range $66.90 - $75.00

Q4 2014

Shares 688,638 Value ($000) $48,735 Avg Close $68.20 Range $58.54 - $74.79

Q3 2014

Shares 692,073 Value ($000) $43,933 Avg Close $66.39 Range $62.10 - $70.27

Q2 2014

Shares 687,532 Value ($000) $45,893 Avg Close $59.67 Range $52.68 - $67.44

Q1 2014

Shares 684,933 Value ($000) $41,000 Avg Close $59.85 Range $51.85 - $66.78

Q4 2013

Shares 366,750 Value ($000) $19,478 Avg Close $68.42 Range $39.00 - $78.50

Q3 2013

Shares 700 Value ($000) $52 Avg Close $71.00 Range $63.20 - $76.25

Q2 2013

Shares 700 Value ($000) $46 Avg Close $58.30 Range $48.10 - $67.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	185,146	$47,223	$261.19	$231.66 - $292.34
Q3 2025	244,645	$60,975	$228.27	$204.00 - $249.79
Q2 2025	255,418	$57,433	$213.44	$164.08 - $241.64
Q1 2025	300,039	$58,310	$190.49	$150.84 - $220.00
Q4 2024	348,821	$58,403	$158.52	$129.84 - $189.13
Q3 2024	370,160	$56,201	$143.78	$129.18 - $158.69
Q2 2024	365,730	$50,295	$137.83	$126.57 - $145.25
Q1 2024	389,446	$55,621	$131.26	$120.42 - $144.03
Q4 2023	390,734	$50,424	$119.08	$103.04 - $132.60
Q3 2023	390,767	$46,126	$120.57	$112.19 - $139.90
Q2 2023	392,189	$46,212	$114.74	$99.11 - $127.07
Q1 2023	390,975	$40,020	$92.62	$78.35 - $102.89
Q4 2022	384,280	$30,558	$81.40	$69.31 - $90.71
Q3 2022	380,597	$27,426	$87.60	$72.02 - $103.17
Q2 2022	378,863	$32,370	$82.06	$76.09 - $87.38
Q1 2022	378,638	$32,230	$84.05	$76.35 - $95.63
Q4 2021	377,444	$35,178	$93.81	$87.97 - $98.88
Q3 2021	377,025	$35,742	$97.38	$91.08 - $101.64
Q2 2021	378,098	$38,430	$97.33	$91.95 - $102.24
Q1 2021	377,308	$36,259	$94.91	$89.10 - $100.67
Q4 2020	379,280	$35,356	$85.48	$76.31 - $94.87
Q3 2020	377,795	$29,321	$74.61	$66.11 - $81.69
Q2 2020	377,755	$28,196	$73.05	$63.09 - $85.01
Q1 2020	376,640	$25,958	$85.46	$49.96 - $102.61
Q4 2019	384,193	$39,253	$98.82	$93.98 - $102.81
Q3 2019	383,409	$38,939	$108.01	$93.05 - $117.21
Q2 2019	383,175	$43,157	$100.77	$85.22 - $114.42
Q1 2019	383,446	$33,590	$83.70	$70.22 - $91.19
Q4 2018	383,094	$28,081	$72.14	$67.15 - $76.91
Q3 2018	373,499	$28,502	$77.62	$73.70 - $82.94
Q2 2018	368,549	$28,500	$69.82	$61.72 - $80.19
Q1 2018	388,073	$25,330	$64.89	$50.50 - $73.28
Q4 2017	387,889	$24,972	$84.03	$53.80 - $96.64
Q3 2017	387,669	$35,421	$81.30	$74.96 - $92.34
Q2 2017	406,987	$30,585	$75.70	$69.08 - $82.26
Q1 2017	552,403	$40,320	$74.27	$69.45 - $81.55
Q4 2016	571,798	$43,525	$72.10	$65.00 - $78.86
Q3 2016	650,377	$42,522	$63.03	$55.76 - $69.49
Q2 2016	718,662	$41,776	$55.08	$48.76 - $66.43
Q1 2016	716,413	$46,918	$66.19	$48.19 - $88.33
Q4 2015	629,841	$55,842	$87.50	$75.60 - $96.75
Q3 2015	665,291	$51,201	$72.21	$66.94 - $79.28
Q2 2015	689,556	$48,814	$72.33	$66.03 - $76.70
Q1 2015	693,043	$51,465	$71.68	$66.90 - $75.00
Q4 2014	688,638	$48,735	$68.20	$58.54 - $74.79
Q3 2014	692,073	$43,933	$66.39	$62.10 - $70.27
Q2 2014	687,532	$45,893	$59.67	$52.68 - $67.44
Q1 2014	684,933	$41,000	$59.85	$51.85 - $66.78
Q4 2013	366,750	$19,478	$68.42	$39.00 - $78.50
Q3 2013	700	$52	$71.00	$63.20 - $76.25
Q2 2013	700	$46	$58.30	$48.10 - $67.50