MERCK & CO INC (MRK) is held by institutional investors who disclose positions via SEC 13F filings. View the full list of institutional holders on HoldingsIntel.

Are institutions buying or selling MRK?

HoldingsIntel tracks quarter-over-quarter changes in institutional positions for MERCK & CO INC, showing new buyers, position increases, decreases, and exits with conviction-weighted sentiment.

What is the Smart Money Verdict on MRK?

The Smart Money Verdict combines four independent signals (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MERCK & CO INC.

Is institutional money flowing into MRK?

371 institutional investors hold MERCK & CO INC (MRK). View detailed buyer/seller breakdown on HoldingsIntel.

What do hedge funds think about MRK?

Track institutional sentiment and conviction scores for MERCK & CO INC (MRK) including Smart Money Verdict and position changes on HoldingsIntel.

MERCK & CO INC

MRK·58933Y105·US·equity·Healthcare - Drug Manufacturers - General-13D/G

371

Holders

Avg rating(34 Elite)

$175.6B

Total Value

46% (381)

Fund Consensus

171 buying - 203 selling

Smart Money Verdict

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58Mixed MomentumSplit Signals

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See how MRK's score breaks down across 4 SEC sources

Held by 371 funds

34 elite

Who's Trading

InsiderMRMaraldo David R.Exercise 552 shMay 2, 2026

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

InsiderSISmart Dalton E. IIITax 132 shMay 2, 2026

ActivistVAVanguard Capital Management7.5%Apr 30, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

Congress

Rohit KhannaBuy $100,001 - $250,000Mar 10, 2026

Congress

Josh GottheimerBuy $1,001 - $15,000Feb 4, 2026

Congress

Michael T. McCaulBuy $1,000,001 - $5,000,000Jan 13, 2026

Congress

Gilbert CisnerosBuy $1,001 - $15,000Dec 19, 2025

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	225.8M(+3.1%)	$27.2B	0.5%	+16.21%	39
STATE STREET CORP	Decreased	119.3M(-0.6%)	$14.5B	0.5%	+8.54%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	84.3M(-2.5%)	$10.1B	1.9%	+9.34%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	59.6M(-0.8%)	$7.1B	0.4%	+56.22%	0
JPMORGAN CHASE & CO	Increased	53M(+81.4%)	$6.3B	0.4%	+6.81%	59
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	49.8M(+2.5%)	$6B	0.9%	+35.22%	46
MORGAN STANLEY	Increased	47.6M(+6.0%)	$5.7B	0.3%	-4.17%	41
FMR LLC	Increased	44.5M(+9.0%)	$5.4B	0.3%	+13.38%	42
BANK OF AMERICA CORP /DE/	Increased	30.8M(+10.5%)	$3.7B	0.3%	+13.78%	42
NORTHERN TRUST CORP	Decreased	27.1M(-0.5%)	$3.3B	0.4%	+57.93%	0
Fisher Asset Management, LLC	Increased	26.4M(+6.3%)	$3.2B	1.1%	+38.68%	54
Invesco Ltd.	Increased	21.9M(+6.4%)	$2.6B	0.4%	+38.40%	41
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Increased	20.4M(+5.0%)	$2.5B	0.5%	+33.73%	47
GOLDMAN SACHS GROUP INC	Increased	20.1M(+4.1%)	$2.4B	0.3%	+16.52%	40
Legal & General Group Plc	Decreased	19.5M(-1.2%)	$2.4B	0.5%	+49.65%	0
Bank of New York Mellon Corp	Decreased	18.7M(-2.4%)	$2.3B	0.4%	+52.81%	0
AMERIPRISE FINANCIAL INC	Increased	16.3M(+1.8%)	$2B	0.5%	+52.88%	39
FRANKLIN RESOURCES INC	Increased	16.3M(+1.3%)	$2B	0.5%	+17.73%	39
DIMENSIONAL FUND ADVISORS LP	Increased	15.5M(+23.8%)	$1.9B	0.4%	+8.20%	46
UBS Group AG	Decreased	13.9M(-27.4%)	$1.7B	0.3%	+30.58%	0

MERCK & CO INC

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