MRK
Merck (MRK)
NYSE
$123.94+$0.40 (+0.32%)
Price as of Jul 13, 2026 7:23 PM EDT
  • $305.1B
    Market Cap
  • 53.16%
    1-Year Change
  • Drug Manufacturers - General
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
VANGUARD GROUP INC
10.30%
254.3M
+2.2M (+0.86%)
Dec 31, 2025
BLACKROCK, INC.
9.14%
225.8M
+6.7M (+2.98%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
8.99%
222.1M
+10.0M (+4.51%)
Dec 31, 2024
BLACKROCK INC.
8.39%
207.3M
+279,840 (+0.13%)
Jun 30, 2024
STATE STREET CORP
4.83%
119.3M
-714,495 (-0.60%)
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
3.41%
84.3M
-2.1M (-2.51%)
Mar 31, 2026
BLACKROCK INSTITUTIONAL TRUST COMPANY, N.A.
3.06%
75.6M
+1.2M (+1.57%)
Dec 31, 2016

Current Ownership Distribution

  • Institutions34.3B (77.29%)
  • Mutual Funds10.1B (22.70%)
  • Insiders5.3M (0.01%)
  • Other0 (0.00%)

Insider Transactions

  • 0.01% (5.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Seidman Christine E
Award
Jun 30, 2026
$8,125.00
63
$128.50
21,291
Coe Mary Ellen
Award
Jun 30, 2026
$30,000.00
233
$128.50
31,999
Karsanbhai Surendralal Lanca
Award
Jun 30, 2026
$16,249.99
126
$128.50
5,519