Merit Medical Systems, Inc.

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TickerMMSI

Sector · IndustryHealthcareMedical Instruments & Supplies

13D/G

SecurityCommon Stock · US

CUSIP589889104

Ask AIAsk AI about MMSI

MMSI institutional ownership changes in Q2 2026: 116 institutions opened or added positions, 78 trimmed or exited. MMSI (Merit Medical Systems, Inc.) is held by 187 institutional investors as of Q2 2026. Top institutional shareholders: BlackRock, Inc. ($656.3M), Vanguard Portfolio Management LLC ($240.9M), Vanguard Capital Management LLC ($179.6M). Net institutional sentiment: Mixed.

187

Holders

(7 Elite)

$3.8B

Total Value

60% (194)

Consensus

116 buying - 78 selling

Fund holdings as of Jun 30, 2026

Smart Money Verdict

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Institutional (13F)75

Insider (Form 4)39

Activist (13D/13G)38

Congressional (STOCK Act)42

Holder Quality

35

★★★★★

Elite

11

★★★★

Strong

43

★★★

Solid

81

★★

Below

28

★

Weak

Held by 187 funds

7 elite

Who's Trading

Latest move

Source dates: Price Nov 5, 2026 · Insiders Sep 9, 2026 · Activists Apr 30, 2026 · Congress Oct 22, 2025

InsiderInsLSLewis SheriVest 8K shSep 4, 2026

InsiderInsPWPeterson Neil W.Sell $678KAug 24, 2026

InsiderInsVJVoigt Michel J.Gift 650 shAug 24, 2026

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Top Holders

FundsInsidersCongressActivists

Holdings (187)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	9.5M(+7.1%)	$656.3M	0.0%	-12.69%	34
VPVanguard Portfolio Management LLC	Decreased	3.5M(-1.4%)	$240.9M	0.0%	+22.09%	0
VAVanguard Capital Management LLC	Decreased	2.6M(-2.5%)	$179.6M	0.0%	+22.09%	0
State Street Corp.	Increased	2.5M(+4.8%)	$171.6M	0.0%	+83.38%	32
Geode Capital Management, LLC	Increased	1.6M(+7.8%)	$112.8M	0.0%	+32.51%	32
Fuller & Thaler Asset Management, Inc.	Decreased	1.6M(-23.8%)	$111.8M	0.3%	+14.46%	0
Dimensional Fund Advisors LP	Increased	1.5M(+17.9%)	$101.2M	0.0%	+89.11%	35
NANomura Asset Management International Inc.	Increased	1.3M(+6.8%)	$88.7M	0.1%	-2.33%	38
Congress Asset Management Co.	Increased	1.2M(+15.1%)	$82.1M	0.5%	-10.95%	48
William Blair Investment Management, LLC	Increased	1.1M(+46.3%)	$78.9M	0.2%	+27.92%	48
Citigroup Inc.	Decreased	1M(-3.8%)	$70.9M	0.0%	-4.45%	0
FMR LLC	Increased	1M(+0.8%)	$70.2M	0.0%	-7.02%	30
Westwood Holdings Group Inc.	Increased	1M(+6.9%)	$70.1M	0.5%	+18.01%	45
Morgan Stanley	Decreased	1M(-20.1%)	$69.8M	0.0%	-0.73%	0
Neuberger Berman Group LLC	Increased	1M(+180x)	$69.5M	0.0%	+21.11%	48
Maverick Capital Ltd.	Increased	978,617(+37.0%)	$67.9M	0.6%	-1.35%	55
T. Rowe Price Associates, Inc.	Increased	958,736(+46.4%)	$66.5M	0.0%	+72.99%	40
Citadel Advisors LLC	Decreased	909,863(-5.5%)	$63.1M	0.0%	-13.18%	0
Royal Bank of Canada	Decreased	826,944(-10.2%)	$57.3M	0.0%	+36.28%	0
Charles Schwab Investment Management Inc.	Increased	743,937(+10.1%)	$51.6M	0.0%	+31.86%	32

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MMSIMerit Medical Systems, Inc.

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Questions investors ask about MMSI

Who owns MMSI?

187 institutional investors held MMSI on June 30, 2026, led by BlackRock, Inc. ($656.3M), Vanguard Portfolio Management LLC ($240.9M) and Vanguard Capital Management LLC ($179.6M).

How many hedge funds hold MMSI?

187 institutional investors reported MMSI in their 13F filings for the quarter ended June 30, 2026, $3.8B in all. 7 of them are rated Elite.

Are institutions buying or selling MMSI?

Buying, on balance. In Q2 2026, 116 institutions opened or added to positions in MMSI and 78 institutions trimmed or exited.

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