OSI SYSTEMS INC (OSIS) is held by 168 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling OSIS?

In Q1 2026, 83 institutions opened or increased positions in OSI SYSTEMS INC while 86 reduced or exited — a net selling quarter.

What is the Smart Money Verdict on OSIS?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for OSI SYSTEMS INC.

How many hedge funds hold OSIS?

168 institutional investors report holding OSI SYSTEMS INC (OSIS) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into OSIS?

As of Q1 2026, tracked institutions in OSI SYSTEMS INC show 83 buyers versus 86 sellers — net outflows.

OSI SYSTEMS INC

OSIS·671044105·US·Common Stock·Technology - Electronic Components-13D/G

168

Holders

Avg rating(38 Elite)

$4.5B

Total Value

49% (176)

Fund Consensus

83 buying - 86 selling

Smart Money Verdict

View all

Held by 168 funds

38 elite

Who's Trading

Activist

JANUS HENDERSON GROUP PLC4.7%May 15, 2026

Activist

FMR LLC12.6%May 6, 2026

InsiderCDCHOPRA DEEPAKSell $5.6MMay 4, 2026

ActivistVPVanguard Portfolio Management7.7%Apr 29, 2026

InsiderCPConstantine W PaulTax 65 shApr 23, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

Activist

Mawer Investment Management Ltd.4.7%Feb 11, 2026

InsiderCDCHOPRA DEEPAKSell $5.7MNov 10, 2025

InsiderMKMorben Paul KeithSell $116KNov 7, 2025

InsiderHBHAWKINS JAMES BSell $425KNov 7, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	2.5M(-1.3%)	$671.6M	0.0%	+27.81%	0
FMR LLC	Increased	2M(+18.7%)	$522.3M	0.0%	-0.63%	37
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.2M	$331.8M	0.0%	-24.53%	43
Janus Henderson Group Ltd.	Increased	772,314(+2.6%)	$205.1M	0.1%	+113.91%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	New	699,253	$185.7M	0.0%	-24.53%	42
Mawer Investment Management Ltd.	Decreased	662,634(-17.5%)	$175.9M	1.1%	+7.39%	0
STATE STREET CORP	Increased	662,141(+0.6%)	$175.8M	0.0%	+64.40%	31
Capital International Investors	Decreased	619,479(-8.1%)	$164.5M	0.0%	+26.72%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	440,723(+7.2%)	$117M	0.0%	+86.04%	32
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Decreased	430,561(-13.6%)	$114.3M	0.0%	+26.61%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	395,428(-2.8%)	$105M	0.0%	+113.35%	0
Invesco Ltd.	Decreased	373,274(-12.2%)	$99.1M	0.0%	+22.07%	0
Hood River Capital Management LLC	Decreased	372,074(-1.9%)	$98.8M	1.0%	+59.89%	0
Neuberger Berman Group LLC	Increased	303,923(+1.0%)	$80.7M	0.1%	+145.42%	30
Clark Capital Management Group, Inc.	Increased	270,420(+1.6%)	$71.8M	0.4%	+39.29%	36
BANK OF AMERICA CORP /DE/	Decreased	266,375(-6.9%)	$70.7M	0.0%	+13.78%	0
PRICE T ROWE ASSOCIATES INC /MD/	Increased	259,545(+1.8%)	$68.9M	0.0%	-6.42%	30
PRIMECAP MANAGEMENT CO/CA/	Decreased	244,660(-8.6%)	$65M	0.1%	+127.07%	0
MAMIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	Increased	232,497(+42.5%)	$61.6M	0.1%	-14.34%	40
MORGAN STANLEY	Decreased	210,377(-5.6%)	$55.9M	0.0%	+29.61%	0