OSI Systems Inc

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OSI Systems Inc
TickerOSIS
CIK #0001039065
CUSIP671044105
SectorManufacturing - Semiconductors & Related Devices
Address12525 Chadron Ave, Hawthorne, CA 90250
Source [EDGAR]
CIK Filing 2011 - 2026
[0001039065] 10-K
[0001039065] 10-Q
[0001039065] 3
[0001039065] 4
[0001039065] 8-K
[0001039065] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Vanguard Portfolio Management LLC OSI Systems Inc [2026-04-29] 0.0
Mawer Investment Management Ltd OSI Systems Inc [2025-11-12] 0.0
FMR LLC OSI Systems Inc [2025-02-12] 0.0
BlackRock Inc OSI Systems Inc [2023-01-23] 19.5
BlackRock Inc OSI Systems Inc [2022-01-26] 19.2
Credit Suisse AG/ OSI Systems Inc [2019-02-13] 539.0
Janus Henderson Group PLC OSI Systems Inc [2018-02-13] 5.8
Dimensional Fund Advisors LP OSI Systems Inc [2017-02-09] 5.41
Earnest Partners LLC OSI Systems Inc [2016-02-11] 5.7
Janus Capital Management LLC OSI Systems Inc [2015-02-18] 7.2
Tremblant Capital Group OSI Systems Inc [2014-02-14] 6.81
Waddell & Reed Financial Inc OSI Systems Inc [2012-02-14] 2.9
Form 3/4/5 Filer 2011 - 2026
OSI Systems Inc
Hawkins James B
Bernard Kelli
Chizever Gerald M
Grindstaff Glenn
Morben Paul Keith
Constantine W Paul
SZE Victor S
Edrick Alan I
Okawa Cary M
Tropeano Michael
Mehra Ajay
Chopra Deepak
Ballhaus William Francis JR
Luskin Meyer/
Chandra Shalabh
Aliabadi Manoocher M
Maginnis Malcolm Peter
Good Steven C
Cegielski Deborah Lee
Thompson Michael Shawn
Green James W
Merritt Richard Edward
Kumar Sujit Shamsunder
Chin Pak Khong
Ong Chee Cheong Nicholas
Feinberg David T
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Chopra Deepak
Common Stock
2026-02-02 Sell 20,000 $250.91 5,018,200
SZE Victor S
Common Stock
2025-12-31 Grant 75 $140.61 10,546
Chopra Deepak
Common Stock
2025-12-31 Grant 75 $140.61 10,546
Morben Paul Keith
Common Stock
2025-12-31 Grant 75 $140.61 10,546
Okawa Cary M
Common Stock
2025-12-31 Grant 52 $109.61 5,700
Tropeano Michael
Common Stock
2025-12-31 Grant 75 $140.61 10,546
Constantine W Paul
Common Stock
2025-12-31 Grant 55 $192.73 10,600
Mehra Ajay
Common Stock
2025-12-31 Grant 75 $140.61 10,546
Edrick Alan I
Common Stock
2025-12-31 Grant 75 $140.61 10,546
Edrick Alan I
Common Stock
2025-12-23 Gift 1,500 $0.00
Hawkins James B
Common Stock
2025-12-13 Tax withheld 15 $259.44 3,892
SZE Victor S
Common Stock
2025-12-12 Gift 251 $0.00
Mehra Ajay
Common Stock
2025-12-11 Gift 3,000 $0.00
Constantine W Paul
Common Stock
2025-12-02 Grant 470 $266.17 125,100
Okawa Cary M
Common Stock
2025-11-22 Tax withheld 26 $251.10 6,529
Chopra Deepak
Common Stock
2025-11-10 Sell 20,000 $285.74 5,714,800
Hawkins James B
Common Stock
2025-11-07 Sell 1,500 $283.15 424,725
Morben Paul Keith
Common Stock
2025-11-07 Sell 416 $279.10 116,106
Ballhaus William Francis JR
Common Stock
2025-11-04 Gift 750 $0.00
Morben Paul Keith
Common Stock
2025-10-10 Grant 207 $241.50 49,990
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 373 18,564,813
2025-12-31 362 18,349,874
2025-09-30 351 18,452,167
2025-06-30 340 18,609,990
2025-03-31 313 19,281,415
2024-12-31 311 18,244,370
2024-09-30 274 16,525,431
2024-06-30 264 15,654,763
2024-03-31 250 15,689,023
2023-12-31 228 15,767,075
2023-09-30 238 15,155,809
2023-06-30 210 15,167,349
Form 13F Holdings
Firm Period DFND Voting Shares
Swedbank AB [2026-06-30] DFND 116,150 116,150
GHP Investment Advisors Inc [2026-06-30] SOLE 34,427 34,798
Chatham Capital Group Inc [2026-06-30] SOLE 16,405 16,405
Moody Aldrich Partners LLC [2026-06-30] SOLE 7,132 16,368
Wedge Capital Management L L P/NC [2026-06-30] SOLE 10,744 13,052
Argent Capital Management LLC [2026-06-30] SOLE 10,640 10,640
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 27 9,887
Cascade Investment Advisors Inc [2026-06-30] SOLE 9,263 9,263
NorthCrest Asset Manangement LLC [2026-06-30] SOLE 0 9,129
Register Financial Advisors LLC [2026-06-30] SOLE 0 7,420
Oliver Luxxe Assets LLC [2026-06-30] SOLE 0 7,088
Louisiana State Employees Retirement System [2026-06-30] SOLE 6,900 6,900
Alaska Retirement Management Board [2026-06-30] SOLE 5,103 5,103
Yousif Capital Management LLC [2026-06-30] SOLE 974 4,145
Commonwealth of Pennsylvania Public School Empls Retrmt SYS [2026-06-30] SOLE 3,674 3,674
Assenagon Asset Management SA [2026-06-30] SOLE 2,845 2,845
Guidance Capital Inc [2026-06-30] SOLE 0 2,505
Steel Peak Wealth Management LLC [2026-06-30] SOLE 1,928 2,383
Harbour Capital Advisors LLC [2026-06-30] SOLE 2,214 2,214
Fulton Bank NA [2026-06-30] SOLE 1,866 1,866
Empirical Financial Services LLC DBA Empirical Wealth Ma [2026-06-30] SOLE 1,709 1,765
Contravisory Investment Management Inc [2026-06-30] SOLE 1,369 1,369
Sequoia Financial Advisors LLC [2026-06-30] SOLE 0 1,186
Avanza Fonder AB [2026-06-30] SOLE 325 325
Harbor Investment Advisory LLC [2026-06-30] SOLE 311 311
Gamma Investing LLC [2026-06-30] DFND 242 242
Farther Finance Advisors LLC [2026-06-30] SOLE 0 204
West Paces Advisors Inc [2026-06-30] SOLE 196 196
Abound Wealth Management [2026-06-30] SOLE 0 78
IFP Advisors LLC [2026-06-30] SOLE 54 54
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