OSI SYSTEMS INC

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

OSIS (OSI SYSTEMS INC) is held by 162 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.

162

Holders

(16 Elite)

$3.4B

Total Value

51% (171)

Consensus

87 buying - 84 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 162 funds

16 elite

Who's Trading

Source dates: Price Aug 28, 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 (162)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	2.6M(+0.9%)	$558.1M	0.0%	+24.26%	32
FMR LLC	Decreased	1.7M(-11.6%)	$380.1M	0.0%	-3.14%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	1.3M(+1.8%)	$278.2M	0.0%	-26.13%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	703,070(+0.6%)	$153.8M	0.0%	-26.35%	30
STATE STREET CORP	Increased	674,053(+1.8%)	$147.4M	0.0%	+58.40%	31
Capital International Investors	Decreased	596,331(-3.7%)	$130.4M	0.0%	+23.51%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	463,787(+5.2%)	$101.4M	0.0%	+66.75%	32
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Increased	452,547(+5.1%)	$99M	0.0%	+21.76%	32
Hood River Capital Management LLC	Increased	414,304(+11.3%)	$90.6M	0.7%	+46.65%	47
DIMENSIONAL FUND ADVISORS LP	Increased	414,034(+4.7%)	$90.5M	0.0%	+97.70%	31
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Increased	379,351(+121.0%)	$83M	0.2%	-11.60%	57
Neuberger Berman Group LLC	Increased	324,715(+6.8%)	$70.9M	0.0%	+118.52%	32
MILLENNIUM MANAGEMENT LLC	Increased	298,480(+584.4%)	$65.3M	0.0%	-3.85%	48
Invesco Ltd.	Decreased	263,207(-29.5%)	$57.6M	0.0%	+18.99%	0
PRIMECAP MANAGEMENT CO/CA/	Increased	258,180(+5.5%)	$56.5M	0.0%	+107.29%	31
AMERICAN CENTURY COMPANIES INC	Increased	223,142(+337.6%)	$48.8M	0.0%	-5.53%	47
Clark Capital Management Group, Inc.	Decreased	218,913(-19.1%)	$47.9M	0.3%	+35.77%	0
UBS Group AG	Increased	210,866(+55.1%)	$46.1M	0.0%	+10.58%	41
MORGAN STANLEY	Decreased	197,990(-5.9%)	$43.3M	0.0%	+26.34%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	193,801(-3.6%)	$42.4M	0.0%	+135.10%	0

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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