Osi Systems Inc (OSIS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

17,469,000Shares Outstanding

18,783,060Shares held by institutions

$5,495,172,034Value of institutional holdings

107.52%Institutional ownership %

2.45%Shares Changed QoQ

347No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Osi Systems Inc (NASDAQ:OSIS) is held by 346 institutional investors per 13F filings through December 2025.

These investors collectively held 106.9% of Osi Systems's outstanding shares in December 2025, down from 109.4% in September 2025.
They increased total shares held in Osi Systems by 2.19% from the prior quarter, while the number of investors in OSIS increased 14.95% year over year.
Activity in OSIS broke down as 185 buyers, 110 sellers, and 51 unchanged among 346 total holders.
Altogether, these fund groups held 18.67Mn shares in OSIS by December 2025, up by 399.76K shares quarter on quarter, and up 261.02K shares year over year.
As of December 31, 2025, the biggest holder of Osi Systems is GHP Investment Advisors, Inc. at 33.21K shares, representing 0.19% of shares outstanding.
The largest buyers of Osi Systems for the quarter ending December 2025 were WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (9.62K), RETIREMENT GUYS FORMULA LLC (797), Farther Finance Advisors, LLC (784), CANANDAIGUA NATIONAL CORP (777), WEDGE CAPITAL MANAGEMENT L L P/NC (616).
The largest sellers of Osi Systems for the quarter ending December 2025 were Oliver Luxxe Assets LLC (4.12K), Assenagon Asset Management S.A. (2.39K), CHATHAM CAPITAL GROUP, INC. (1.89K), SG Americas Securities, LLC (1.52K), MOODY ALDRICH PARTNERS LLC (520).
Per Business Quant data, the top 10 holders of Osi Systems for the quarter ending December 2025 are GHP Investment Advisors, Inc. (33.21K), Stanley-Laman Group, Ltd. (18.8K), MOODY ALDRICH PARTNERS LLC (18.23K), Oliver Luxxe Assets LLC (16.18K), CHATHAM CAPITAL GROUP, INC. (15.69K), Assenagon Asset Management S.A. (15.53K), WEDGE CAPITAL MANAGEMENT L L P/NC (12.09K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (9.62K), Cascade Investment Advisors, Inc. (9.32K), NorthCrest Asset Manangement, LLC (9.15K).

348 Institutional Holders

18,783,060 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	2,561,902	57,646	2.30%	$653,438,725.00
VANGUARD GROUP INC	31 Dec, 2025	2,106,595	-981	-0.05%	$537,308,121.00
FMR LLC	31 Dec, 2025	1,657,430	567,161	52.02%	$422,744,107.00
Mawer Investment Management Ltd.	31 Dec, 2025	803,602	-52,781	-6.16%	$204,966,726.00
Janus Henderson Group Plc	31 Dec, 2025	752,567	-247,724	-24.77%	$191,948,686.00
Capital International Investors	31 Dec, 2025	674,343	0	0.00%	$171,997,926.00
State Street Corp	31 Dec, 2025	658,174	-7,718	-1.16%	$167,873,860.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	498,252	-52,251	-9.49%	$127,084,154.00
Invesco Ltd.	31 Dec, 2025	425,197	73,787	21.00%	$108,450,747.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	410,963	16,692	4.23%	$104,836,009.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	406,892	-12,577	-3.00%	$103,790,223.00
Hood River Capital Management LLC	31 Dec, 2025	379,374	8,146	2.19%	$96,763,132.00
UBS Group AG	31 Dec, 2025	316,236	-98	-0.03%	$80,659,154.00
Neuberger Berman Group LLC	31 Dec, 2025	300,792	-3,203	-1.05%	$76,834,304.00
Bank Of America Corp /De/	31 Dec, 2025	286,253	-264,807	-48.05%	$73,011,690.00
PRIMECAP MANAGEMENT CO/CA/	31 Dec, 2025	267,710	-38,920	-12.69%	$68,282,113.00
Clark Capital Management Group, Inc.	31 Dec, 2025	266,114	6,663	2.57%	$67,875,037.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	235,768	88,714	60.33%	$60,134,986.00
SYSTEMATIC FINANCIAL MANAGEMENT LP	31 Dec, 2025	233,252	-23,370	-9.11%	$59,493,654.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	227,095	21,589	10.51%	$57,923.00

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