Merck
MRK
3,871 hedge funds and large institutions have $254B invested in Merck in 2026 Q2 according to their latest regulatory filings, with 216 funds opening new positions, 1,639 increasing their positions, 1,517 reducing their positions, and 120 closing their positions.
80% more first-time investments, than exits
New positions opened: 216 | Existing positions closed: 120
71% more capital inflows, than outflows
Capital inflows: $15.4B | Capital outflows: $9.05B
2.1% more ownership
Funds ownership: 78.06% → 80.17% (+2.1%)
1% more funds holding
Funds holding: 3,822 → 3,871 (+49)
8% more repeat investments, than reductions
Existing positions increased: 1,639 | Existing positions reduced: 1,517
0% less call options, than puts
Call options by funds: $3.18B | Put options by funds: $3.18B
11% less funds holding in top 10
Funds holding in top 10: 88 → 78 (-10)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital International Investors
Los Angeles,
California
|
+$1.7B |
| 2 |
Fisher Asset Management
Camas,
Washington
|
+$1.41B |
| 3 |
Charles Schwab
San Francisco,
California
|
+$538M |
| 4 |
Franklin Resources
San Mateo,
California
|
+$384M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$238M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
-$1.06B |
| 2 |
Nordea Investment Management
Stockholm,
Sweden
|
-$588M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$530M |
| 4 |
Jennison Associates
New York
|
-$412M |
| 5 |
Invesco
Atlanta,
Georgia
|
-$380M |
MRK Hedge Fund Activity: Q2 2026 in Review
3,871 of the 8,384 institutional investors tracked by Wall St. Rank reported a position in Merck (MRK) for Q2 2026, worth a combined $254B — up 9.6% from $232B a quarter earlier.
Buyers outnumbered sellers: 216 funds opened new MRK positions and 120 closed out — a net gain of 96 holders — while 1,639 added to existing stakes and 1,517 trimmed.
The largest buyer was Capital International Investors, adding an estimated $1.7B. The largest seller was JP Morgan Chase, cutting an estimated $1.06B.
- 3,871 institutional investors held Merck (MRK) as of Q2 2026, up from 3,822 in Q1 2026.
- Funds reported $254B of Merck stock for Q2 2026, up 9.6% quarter-over-quarter.
- 216 funds opened new Merck positions in Q2 2026 and 120 closed out, a net change of +96 holders.
- The largest Merck buyer in Q2 2026 was Capital International Investors, an estimated $1.7B added.
- The largest Merck seller in Q2 2026 was JP Morgan Chase, an estimated $1.06B sold.
Based on aggregated 13F filings for Q2 2026.