Merck & Co., Inc. (MRK) 13F Holdings

Healthcare · Pharmaceutical Preparations

Institutional ownership and 13F holdings context for Merck & Co., Inc. (MRK) on InvestAtlant.

Top institutional holders (2026-Q2)

InstitutionSharesValue% Outstanding
BlackRock, Inc. 226,999,837 $29.17B 6.35%
VANGUARD CAPITAL MANAGEMENT LLC 161,323,174 $20.73B 4.51%
State Street Corp 120,413,256 5.57B 3.37%
WELLINGTON MANAGEMENT GROUP LLP 86,249,283 1.08B 2.41%
VANGUARD PORTFOLIO MANAGEMENT LLC 67,738,969 $8.70B 1.89%
GEODE CAPITAL MANAGEMENT, LLC 60,744,214 $7.79B 1.70%
Charles Schwab Investment Management Inc 54,365,289 $6.99B 1.52%
Morgan Stanley 48,641,158 $6.25B 1.36%

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Holdings from SEC 13F. Insider trades from Form 4. Congress from House and Senate PTRs. Real-time market prices via TradingView.