Merck Ownership | Who Owns Merck?

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Merck Ownership Summary

Merck is owned by 21.52% institutional investors, 0.06% insiders, and 78.42% retail investors. Vanguard group is the largest institutional shareholder, holding 10.21% of MRK shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.19% of its assets in Merck shares.

MRK Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Merck	21.52%	0.06%	78.42%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Drug Manufacturers - General Stocks	26.93%	1.98%	71.09%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	254.32M	10.21%	$26.77B
Blackrock funding, inc. /de	219.10M	8.74%	$23.06B
Blackrock	207.30M	8.18%	$25.66B
State street	118.18M	4.72%	$10.01B
Wellington management group llp	75.28M	3.01%	$6.32B
Geode capital management	60.05M	2.39%	$6.31B
Charles schwab investment management	53.70M	2.15%	$4.51B
Morgan stanley	44.95M	1.79%	$4.73B
Norges bank	37.98M	1.51%	$4.00B
Fmr	33.43M	1.34%	$2.81B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Wallace advisory group	115.43K	12.75%	$12.15M
Sector gamma as	363.65K	8.72%	$38.28M
Tri locum partners lp	446.87K	8.62%	$37.51M
Radnor capital management	519.56K	8.12%	$54.69M
Kahn brothers group	430.10K	8.02%	$45.27M
Clark & stuart	106.38K	7.77%	$11.28M
Slocum, gordon & co llp	95.80K	7.30%	$10.08M
Healthinvest partners ab	195.77K	6.57%	$20.61M
Smead capital management	2.84M	6.20%	$298.76M
Karpas strategies	133.01K	5.16%	$16.47M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	37.98M	0.43%	37.98M
Jennison associates	5.56M	0.35%	5.56M
Goldman sachs group	19.34M	0.25%	4.32M
Blackrock funding, inc. /de	219.10M	0.39%	4.22M
Invesco	19.84M	0.26%	2.82M

Top Sellers

Holder	Shares	% Assets	Change
Dld asset management, lp	-	-	-47.50M
Capital world investors	-	-	-7.91M
Alphinity investment management pty	-	-	-6.97M
Jpmorgan chase	29.20M	0.19%	-6.00M
Pacer advisors	-	-	-5.24M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	37.98M	0.43%	37.98M	$4.00B
Jennison associates	5.56M	0.35%	5.56M	$585.19M
Axa investment managers	1.21M	0.27%	1.21M	$101.48M
Fjarde ap-fonden (the fourth swedish national pensionfund)	530.73K	0.74%	530.73K	$65.70M
Camber capital management lp	500.00K	3.72%	500.00K	$39.58M

Sold Out

Holder	Change
Financial life planners	-1.00
Davidson capital management	-1.00
Bayforest capital	-2.00
New millennium group	-4.00
Enrich financial partners	-5.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	2,028	-40.23%	535,809,039	-72.47%	21	0.36%	1,039	-32.62%	781	-44.53%
Sep 30, 2025	2,170	-35.84%	639,181,127	-66.41%	25	0.45%	1,005	-31.02%	924	-38.97%
Jun 30, 2025	3,337	-4.47%	1,989,017,310	2.53%	79	1.35%	1,434	-5.53%	1,491	-5.15%
Mar 31, 2025	3,440	-5.34%	1,927,587,269	-2.09%	76	1.26%	1,491	-10.83%	1,553	-0.19%
Dec 31, 2024	3,233	-8.62%	1,792,585,188	-6.55%	70	1.23%	1,453	-12.10%	1,407	1.22%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	80.32M	3.19%	128.13K
Vanguard Total Stock Mkt Idx Inv	78.17M	3.16%	167.63K
Vanguard 500 Index Investor	63.23M	2.56%	394.37K
iShares Core S&P 500 ETF	31.61M	1.28%	5.28M
Fidelity 500 Index	31.39M	1.27%	-156.06K
SPDR® S&P 500 ETF	31.47M	1.25%	-460.97K
SPDR® S&P 500® ETF	30.32M	1.21%	373.18K
SPDR® S&P 500® ETF Trust	30.64M	1.21%	-160.60K
Schwab US Dividend Equity ETF™	29.32M	1.19%	64.50K
State Street® SPDR® S&P 500® ETF	29.30M	1.19%	-52.06K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 12, 2026	Guindo Chirfi	Chief Marketing Officer	Sell	$1.21M
Feb 10, 2026	Li Dean Y	Executive VP & President, MRL	Sell	$1.20M
Feb 09, 2026	Guindo Chirfi	Chief Marketing Officer	Sell	$1.18M
Feb 09, 2026	Zachary Jennifer	EVP, General Counsel	Sell	$4.63M
Feb 06, 2026	Williams David Michael	EVP,Chief Info&Digital Officer	Sell	$609.52K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	14
2025 Q4	-	2
2025 Q3	-	-
2025 Q2	-	1
2025 Q1	2	3

MRK Ownership FAQ

Who Owns Merck?

Merck shareholders are primarily institutional investors at 21.52%, followed by 0.06% insiders and 78.42% retail investors. The average institutional ownership in Merck's industry, Drug Manufacturers - General Stocks, is 26.93%, which Merck falls below.

Who owns the most shares of Merck?

Merck’s largest shareholders are Vanguard group (254.32M shares, 10.21%), Blackrock funding, inc. /de (219.1M shares, 8.74%), and Blackrock (207.3M shares, 8.18%). Together, they hold 27.14% of Merck’s total shares outstanding.

Does Blackrock own Merck?

Yes, BlackRock owns 8.18% of Merck, totaling 207.3M shares as of Jun 2024. This represents 0.58% of BlackRock's total assets, with a market value of 25.66B$. In the last quarter, BlackRock increased its holdings by 279.84K shares, a 0.14% change.

Who is Merck’s biggest shareholder by percentage of total assets invested?

Wallace advisory group is Merck’s biggest shareholder by percentage of total assets invested, with 12.75% of its assets in 115.43K Merck shares, valued at 12.15M$.

Who is the top mutual fund holder of Merck shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Merck shares, with 3.19% of its total shares outstanding invested in 80.32M Merck shares.

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