Merck & Co., Inc. MRK
144.67 USD -3.69 (-2.49%)
At closeNov 3, 2026, 7:40 PM EST
143.85 -0.82 -0.57%
After hours · Nov 3, 7:40 PM ET
143.47 Day range 147.62
82.01 52-week range 156.92
- YTD
- +37.44%
- 1 year
- +75.38%
Held by funds
698 US ETFs and mutual funds hold MRK · largest positions
Ownership
Held by insiders 0.06%
Held by institutions 82.65%
Float held by institutions 82.69%
Institutions 4,917
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 9.20% | 226,999,837 | 32.84B | Jun 29, 2026 |
| Vanguard Capital Management LLC | 6.54% | 161,323,174 | 23.34B | Jun 29, 2026 |
| State Street Corporation | 4.88% | 120,413,256 | 17.42B | Jun 29, 2026 |
| Wellington Management Group, LLP | 3.50% | 86,249,283 | 12.48B | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 2.75% | 67,738,969 | 9.80B | Jun 29, 2026 |
| Geode Capital Management, LLC | 2.46% | 60,744,214 | 8.79B | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.18% | 78,411,374 | 11.34B | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard 500 Index Fund | 2.59% | 63,996,884 | 9.26B | Jun 29, 2026 |
| SCHWAB STRATEGIC TRUST-Schwab US Dividend Equity ETF | 1.47% | 36,188,606 | 5.24B | Aug 30, 2026 |
| iShares Trust-iShares Core S&P 500 ETF | 1.33% | 32,874,367 | 4.76B | Sep 29, 2026 |
| Fidelity Concord Street Trust-Fidelity 500 Index Fund | 1.30% | 32,060,543 | 4.64B | Aug 30, 2026 |
| SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust | 1.24% | 30,514,312 | 4.41B | Sep 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| CHATTOPADHYAY SANAT | Officer | Conversion of Exercise of derivative security | Apr 28, 2026 | 200,675 |
| DAVIS ROBERT M | Chief Executive Officer | Conversion of Exercise of derivative security | Apr 28, 2026 | 450,351 |
| DELUCA RICHARD ROBERT JR. | Officer | Sale | Aug 11, 2026 | 110,167 |
| GUINDO CHIRFI | Officer | Sale | Aug 12, 2026 | 36,613 |
| LI DEAN Y | Officer | Conversion of Exercise of derivative security | Apr 28, 2026 | 94,431 |
| LITCHFIELD CAROLINE | Chief Financial Officer | Conversion of Exercise of derivative security | Apr 28, 2026 | 92,300 |