MRK Institutional Ownership
Top institutional (13F) holders of MRK and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
67
Institutional value
$177.99B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 9.2% | Aug 7, 2026 | $29.17B |
| Vanguard Capital Managementinvestment advisor | 6.5% | Aug 13, 2026 | $20.73B |
| STATE STREET CORPORATIONholding company | 4.9% | Sep 22, 2026 | $15.57B |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 3.5% | Aug 14, 2026 | $11.08B |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.5% | Nov 6, 2026 | $8.93B |
| Vanguard Portfolio Managementinvestment advisor | 2.7% | Aug 13, 2026 | $8.7B |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 2.2% | Aug 14, 2026 | $6.99B |
| MORGAN STANLEYholding company | 2.0% | Aug 13, 2026 | $6.25B |
| Fisher Asset Management, LLCinvestment advisor | 1.7% | Nov 6, 2026 | $6.06B |
| FMR LLCinvestment advisor | 1.8% | Aug 13, 2026 | $5.84B |
| JPMORGAN CHASE & COholding company | 1.8% | Aug 12, 2026 | $5.68B |
| Norges Bankother | 1.5% | Aug 12, 2026 | $4.75B |
| BANK OF AMERICA CORP /DE/holding company | 1.2% | Aug 14, 2026 | $3.92B |
| NORTHERN TRUST CORPinvestment advisor | 1.1% | Aug 13, 2026 | $3.38B |
| GOLDMAN SACHS GROUP INCinvestment advisor | 1.0% | Aug 14, 2026 | $3.04B |
| Bank of New York Mellon Corpholding company | 0.7% | Nov 5, 2026 | $2.65B |
| FRANKLIN RESOURCES INCinvestment advisor | 0.8% | Aug 13, 2026 | $2.51B |
| Invesco Ltd.holding company | 0.8% | Aug 14, 2026 | $2.39B |
| T. Rowe Price Associates, Inc.investment advisor | 0.8% | Aug 14, 2026 | $2.38B |
| Dimensional Fund Advisors LPinvestment advisor | 0.7% | Nov 4, 2026 | $2.37B |
| Ameriprise Financial, Inc.holding company | 0.7% | Aug 14, 2026 | $2.24B |
| Capital International Investorsinvestment advisor | 0.6% | Aug 12, 2026 | $1.98B |
| ROYAL BANK OF CANADAholding company | 0.6% | Aug 14, 2026 | $1.92B |
| UBS Group AGbank | 0.6% | Aug 13, 2026 | $1.9B |
| AllianceBernstein L.P.investment advisor | 0.5% | Aug 14, 2026 | $1.58B |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| Vanguard Capital Managementinvestment advisor | SC 13G | 7.5% | Apr 30, 2026 |
Institutional ownership for companies related to MRK
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.