Merck Ownership | Who Owns Merck?

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Merck Ownership Summary

Merck is owned by 79.15% institutional investors, 0.07% insiders, and 20.78% retail investors. Vanguard group is the largest institutional shareholder, holding 10.07% 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	79.15%	0.07%	20.78%
Sector	Healthcare Stocks	492.67%	11.09%	-403.76%
Industry	Drug Manufacturers - General Stocks	50.22%	2.50%	47.29%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	252.14M	10.07%	$21.16B
Blackrock funding, inc. /de	214.88M	8.58%	$18.03B
Blackrock	207.30M	8.18%	$25.66B
State street	117.49M	4.64%	$14.63B
Wellington management group llp	80.74M	3.19%	$8.03B
Geode capital management	59.80M	2.39%	$5.01B
Charles schwab investment management	53.70M	2.15%	$4.51B
Dld asset management, lp	47.50M	1.90%	$47.14B
Morgan stanley	42.22M	1.67%	$5.23B
Jpmorgan chase	35.20M	1.41%	$2.95B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Pks advisory services	5.84K	10.24%	$49.00M
Srb	1.33M	9.74%	$164.36M
Wallace advisory group	115.66K	7.36%	$9.16M
Kahn brothers group	433.75K	6.85%	$36.40M
Sector gamma as	322.50K	6.71%	$27.07M
Radnor capital management	521.05K	6.65%	$43.73M
Clark & stuart	108.15K	6.55%	$9.16M
Optimas capital	122.30K	6.49%	$10.26M
Slocum, gordon & co llp	94.97K	6.36%	$7.97M
Adalta capital management	90.18K	6.11%	$11.23M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	34.98M	0.46%	34.98M
Dld asset management, lp	47.50M	3.38%	11.00M
Wellington management group llp	80.74M	1.47%	4.93M
Ubs asset management americas	21.55M	0.50%	3.79M
Assenagon asset management	5.50M	0.63%	3.62M

Top Sellers

Holder	Shares	% Assets	Change
Franklin resources	16.75M	0.35%	-10.29M
Price t rowe associates inc /md/	12.51M	0.14%	-9.96M
Raymond james financial	7.64M	0.21%	-8.00M
Capital world investors	-	-	-7.91M
Alphinity investment management pty	-	-	-6.97M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	34.98M	0.46%	34.98M	$3.48B
Mondrian investment partners	1.65M	2.31%	1.65M	$138.34M
Hrt financial lp	1.11M	0.39%	1.11M	$88.22M
Deerfield management company, l.p. (series c)	857.72K	1.23%	857.72K	$67.90M
Susquehanna portfolio strategies	800.75K	1.38%	800.75K	$63.39M

Sold Out

Holder	Change
Davidson capital management	-1.00
Bayforest capital	-2.00
Enrich financial partners	-5.00
Virtus investment advisers	-13.00
Atlantic private wealth	-13.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Sep 30, 2024	3,491	-2.16%	1,913,848,352	-1.86%	75	1.28%	1,628	-6.11%	1,369	0.81%
Jun 30, 2024	3,504	-1.49%	1,945,602,474	1.71%	76	1.35%	1,705	3.96%	1,334	-9.00%

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	78.91M	3.16%	-1.82M
Vanguard 500 Index Investor	62.16M	2.49%	-9.11M
Schwab US Dividend Equity ETF™	34.76M	1.39%	7.35K
Fidelity 500 Index	31.83M	1.27%	13.67K
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
iShares Core S&P 500 ETF	30.22M	1.21%	-
Vanguard Value Index Inv	22.26M	0.89%	-25.43K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 10, 2025	Downing Cristal N	Chief Comm. & Public Afrs Ofcr	Sell	$616.39K
Nov 03, 2025	Williams David Michael	EVP,Chief Info&Digital Officer	Sell	$720.04K
Apr 25, 2025	Smart Dalton E. III	SVP Fin. - Global Controller	Sell	$352.72K
Feb 19, 2025	Oosthuizen Johannes Jacobus	President, U.S. Market	Sell	$714.74K
Feb 13, 2025	Williams David Michael	EVP,Chief Info&Digital Officer	Sell	$512.06K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	2
2025 Q3	-	-
2025 Q2	-	1
2025 Q1	2	3
2024 Q4	-	-

MRK Ownership FAQ

Who Owns Merck?

Merck shareholders are primarily institutional investors at 79.15%, followed by 0.07% insiders and 20.78% retail investors. The average institutional ownership in Merck's industry, Drug Manufacturers - General Stocks, is 50.22%, which Merck exceeds.

Who owns the most shares of Merck?

Merck’s largest shareholders are Vanguard group (252.14M shares, 10.07%), Blackrock funding, inc. /de (214.88M shares, 8.58%), and Blackrock (207.3M shares, 8.18%). Together, they hold 26.84% 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?

Pks advisory services is Merck’s biggest shareholder by percentage of total assets invested, with 10.24% of its assets in 5.84K Merck shares, valued at 49M$.

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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