MRK

Merck & Co
D

MRK

Arincen67/100B

Who owns Merck & Co?

Institutions own 82.3% of Merck & Co's shares, through 3,954 funds, banks and other managers that report their holdings to the SEC; individual investors and others hold the rest. The largest on 30 June 2026 were BlackRock, Inc. (9.2%), Vanguard Capital Management LLC (6.5%), State Street Corp (4.9%).

Institutions own
82.3%
Institutional holders
3,954
The 10 largest hold
37.5%
Free float
99.9%
Holdings as of
30 Jun 2026

Who owns the shares

10 largest holders 37.5% Other institutions 44.8% Individuals and others 17.7%

Shares free to trade

Free float 2.46B shares ·99.9% Closely held 2.55M shares ·0.1%

Closely held shares belong to insiders, founders and owners of more than 5%, and seldom change hands. The free float is the rest: the shares anyone can buy and sell.

The largest shareholders

#HolderSharesOf the companyValueChange last quarter (shares)
1BlackRock, Inc.226,999,8379.18%29.17B USD+1,169,507
2Vanguard Capital Management LLC161,323,1746.53%20.73B USD+335,550
3State Street Corp120,413,2564.87%15.57B USD+1,087,583
4Wellington Management Group LLP86,249,2833.49%11.08B USD+1,934,312
5Vanguard Portfolio Management LLC67,738,9692.74%8.70B USD+434,664
6Geode Capital Management, LLC60,744,2142.46%7.79B USD+1,186,060
7Sixth Street Partners Management Company, L.P.54,365,2892.20%6.99B USDNew position
8Charles Schwab Investment Management Inc54,365,2892.20%6.99B USD+4,600,064
9Morgan Stanley48,641,1581.97%6.25B USD+1,008,671
10FMR LLC45,440,3551.84%5.84B USD+924,345

All institutions last quarter

Bought or added
2,059 · 214 new
Sold or cut
1,698 · 177 sold out
Net shares bought
+102.07M · 13.12B USD
Institutional ownership
78.1% → 82.3%

Biggest buyers last quarter

  • Sixth Street Partners Management Company, L.P.New position
  • Norges BankNew position
  • Capital International Investors+14,516,428
  • Fisher Asset Management, LLC+12,079,979
  • Charles Schwab Investment Management Inc+4,600,064

Biggest sellers last quarter

  • JPMorgan Chase & Co-9,086,563
  • Nordea Investment Management Ab-5,024,243
  • Price T Rowe Associates Inc-4,524,046
  • Jennison Associates LLC-3,520,379
  • Invesco Ltd.-3,243,930

From the holders' 13F filings with the SEC for the quarter to 30 Jun 2026, filed up to 45 days after it; the buyers and sellers are among the 100 largest holders.

Common questions about Merck & Co's shareholders

Source: Financial Modeling Prep

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