Merck
MRK
3,851 hedge funds and large institutions have $254B invested in Merck in 2026 Q2 according to their latest regulatory filings, with 214 funds opening new positions, 1,635 increasing their positions, 1,507 reducing their positions, and 120 closing their positions.
78% more first-time investments, than exits
New positions opened: 214 | Existing positions closed: 120
10% more capital invested
Capital invested by funds: $232B → $254B (+$22.4B)
2.11% more ownership
Funds ownership: 78.05% → 80.16% (+2.1%)
1% more funds holding
Funds holding: 3,810 → 3,851 (+41)
8% more repeat investments, than reductions
Existing positions increased: 1,635 | Existing positions reduced: 1,507
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
3,851 of the 8,344 institutional investors tracked by Wall St. Rank reported a position in Merck (MRK) for Q2 2026, worth a combined $254B — up 9.7% from $232B a quarter earlier.
Buyers outnumbered sellers: 214 funds opened new MRK positions and 120 closed out — a net gain of 94 holders — while 1,635 added to existing stakes and 1,507 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.
- 3,851 institutional investors held Merck (MRK) as of Q2 2026, up from 3,810 in Q1 2026.
- Funds reported $254B of Merck stock for Q2 2026, up 9.7% quarter-over-quarter.
- 214 funds opened new Merck positions in Q2 2026 and 120 closed out, a net change of +94 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.