MERCK & CO INC

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

MRK (MERCK & CO INC) is held by 382 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($29.2B), VANGUARD CAPITAL MANAGEMENT LLC ($20.7B), STATE STREET CORP ($15.6B). Net institutional sentiment: Mixed. In Q2 2026, 15 members of Congress and 186 funds bought MRK.

382

Holders

(41 Elite)

$230.3B

Total Value

49% (380)

Consensus

186 buying - 194 selling

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

Smart Money Verdict

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Institutional (13F)63

Insider (Form 4)55

Activist (13D/13G)55

Congressional (STOCK Act)71

Holder Quality

67

★★★★★

Elite

43

★★★★

Strong

75

★★★

Solid

33

★★

Below

44

★

Weak

Held by 382 funds

41 elite

Who's Trading

Source dates: Price Oct 16, 2026 · Insiders Aug 13, 2026 · Activists Apr 30, 2026 · Congress Oct 7, 2026

CongressMaria Elvira SalazarSale $1,001 - $15,000Sep 24, 2026

CongressMaria Elvira SalazarBuy $15,001 - $50,000Aug 19, 2026

CongressMaria Elvira SalazarBuy $15,001 - $50,000Aug 19, 2026

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Top Holders

Top Holders (382)History

AllNewIncreasedHeldDecreasedExitedFirst report

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	227M(+0.5%)	$29.2B	0.4%	+37.71%	38
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	161.3M(+0.2%)	$20.7B	0.4%	+22.91%	38
STATE STREET CORP	Increased	120.4M(+0.9%)	$15.6B	0.5%	+113.73%	38
WELLINGTON MANAGEMENT GROUP LLP	Increased	86.2M(+2.3%)	$11.1B	1.9%	+65.28%	51
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	67.7M(+0.7%)	$8.7B	0.4%	+22.87%	38
GEODE CAPITAL MANAGEMENT, LLC	Increased	60.7M(+2.0%)	$7.8B	0.4%	+104.57%	39
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	54.4M(+9.2%)	$7B	0.9%	+71.88%	49
MORGAN STANLEY	Increased	48.6M(+2.1%)	$6.3B	0.3%	+27.97%	39
FMR LLC	Increased	45.4M(+2.1%)	$5.8B	0.3%	+52.75%	39
JPMORGAN CHASE & CO	Decreased	43.9M(-17.1%)	$5.7B	0.3%	+34.48%	0
Fisher Asset Management, LLC	Increased	38.5M(+45.7%)	$4.9B	1.5%	+54.71%	68
BANK OF AMERICA CORP /DE/	Decreased	30.5M(-0.8%)	$3.9B	0.3%	+42.49%	0
NORTHERN TRUST CORP	Decreased	26.3M(-3.0%)	$3.4B	0.4%	+111.12%	0
GOLDMAN SACHS GROUP INC	Increased	22.1M(+9.6%)	$2.8B	0.2%	+54.81%	42
FRANKLIN TEMPLETON INC	Increased	19.5M(+20.2%)	$2.5B	0.5%	+48.47%	53
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Decreased	19.5M(-4.3%)	$2.5B	0.5%	+78.21%	0
Legal & General Group Plc	Decreased	18.9M(-3.4%)	$2.4B	0.5%	+120.32%	0
Invesco Ltd.	Decreased	18.6M(-14.8%)	$2.4B	0.2%	+82.90%	0
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	18.5M(-19.6%)	$2.4B	0.2%	+55.72%	0
Bank of New York Mellon Corp	Decreased	18.3M(-2.0%)	$2.4B	0.4%	+103.42%	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