Merck & Co. Inc.
MRK | NYSE
$149.52
+$3.19 (+2.18%)
At close: Oct 30, 2026, 4:02 PM ET
$149.26
-$0.26 (-0.17%)
Pre-market:
Nov 2, 2026, 3:53 AM ET
Institutional Ownership
Net InflowTotal Institutions
3,951
Total Ownership
82.27%
Capital Flow
+$29.36B
Shares Change
+102.07M
Ownership Distribution
Institutions (82.27%)
Others (17.73%)
Institutional Sentiment
Overall: bullishEquity Sentiment & Activity
bullishNew Positions
215
Increased Positions
1,847
Reduced Positions
1,517
Closed Positions
178
New (215)
Increased (1,847)
Reduced (1,517)
Closed (178)
Options Sentiment & Activity
neutralPut/Call Ratio
1.080
Call Flow
20,574,477
Put Flow
22,221,333
Calls (48%)
Puts (52%)
Super Investors
| Super Investor / Fund | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Harris Associates L.P. | 0.49% -2.38% | 2.18% | 12.07M | 1.75B | |
| Auxier Asset Management | < 0.01% -1.25% | 2.21% | 115.78K | 16.83M | |
| Bridgewater Associates LP | < 0.01% 0.00% | 0.02% | 30.25K | 4.43M |
Top Shareholders
| Institution | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 9.18% +0.52% | 0.43% -8.67% | 227M +0.52% | 29.17B +7.38% | |
| Vanguard Capital Management LLC | 6.53% +0.21% | 0.44% -7.53% | 161.32M +0.21% | 20.73B +7.05% | |
| State Street Corp | 4.87% +0.91% | 0.46% -7.80% | 120.41M +0.91% | 15.57B +7.75% |
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