OSI SYSTEMS INC

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

OSIS (OSI SYSTEMS INC) is held by 167 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($558.1M), FMR LLC ($380.1M), VANGUARD PORTFOLIO MANAGEMENT LLC ($278.2M). Net institutional sentiment: Mixed.

167

Holders

(13 Elite)

$3.7B

Total Value

51% (175)

Consensus

90 buying - 85 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)31

Insider (Form 4)85

Activist (13D/13G)45

Congressional (STOCK Act)75

Holder Quality

27

★★★★★

Elite

35

★★★★

Strong

35

★★★

Solid

73

★★

Below

20

★

Weak

Held by 167 funds

13 elite

Who's Trading

Source dates: Price Oct 15, 2026 · Insiders Aug 26, 2026 · Activists Aug 13, 2026 · Congress none

InsiderEIEDRICK ALAN IVest 22K shAug 24, 2026

InsiderOMOkawa Cary M.Tax 460 shAug 24, 2026

InsiderMKMorben Paul KeithTax 1K shAug 24, 2026

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Top Holders

Top Holders (167)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	2.6M(+0.9%)	$558.1M	0.0%	+26.69%	32
FMR LLC	Decreased	1.7M(-11.6%)	$380.1M	0.0%	-5.53%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	1.3M(+1.8%)	$278.2M	0.0%	-25.87%	31
JTJupiter Topco LLC	First report	905,925	$198.1M	0.1%	-10.28%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	703,070(+0.6%)	$153.8M	0.0%	-26.03%	30
STATE STREET CORP	Increased	674,053(+1.8%)	$147.4M	0.0%	+85.06%	31
Capital International Investors	Decreased	596,331(-3.7%)	$130.4M	0.0%	+14.64%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	463,787(+5.2%)	$101.4M	0.0%	+63.12%	32
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Increased	452,547(+5.1%)	$99M	0.0%	+12.82%	32
Hood River Capital Management LLC	Increased	414,304(+11.3%)	$90.6M	0.7%	+36.15%	47
DIMENSIONAL FUND ADVISORS LP	Increased	414,034(+4.7%)	$90.5M	0.0%	+82.83%	31
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Increased	379,351(+121.0%)	$83M	0.2%	-16.56%	57
Neuberger Berman Group LLC	Increased	324,715(+6.8%)	$70.9M	0.0%	+102.76%	32
PRICE T ROWE ASSOCIATES INC /MD/	Increased	314,717(+21.3%)	$68.8M	0.0%	-16.85%	35
MILLENNIUM MANAGEMENT LLC	Increased	298,480(+584.4%)	$65.3M	0.0%	-10.65%	48
Invesco Ltd.	Decreased	263,207(-29.5%)	$57.6M	0.0%	+10.36%	0
PRIMECAP MANAGEMENT CO/CA/	Increased	258,180(+5.5%)	$56.5M	0.0%	+92.00%	31
AMERICAN CENTURY COMPANIES INC	Increased	223,142(+337.6%)	$48.8M	0.0%	-11.56%	47
Clark Capital Management Group, Inc.	Decreased	218,913(-19.1%)	$47.9M	0.3%	+25.07%	0
UBS Group AG	Increased	210,866(+55.1%)	$46.1M	0.0%	+1.26%	41

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer