Merck
MRK
3,818 hedge funds and large institutions have $253B invested in Merck in 2026 Q2 according to their latest regulatory filings, with 209 funds opening new positions, 1,628 increasing their positions, 1,491 reducing their positions, and 117 closing their positions.
79% more first-time investments, than exits
New positions opened: 209 | Existing positions closed: 117
8% more capital invested
Capital invested by funds: $234B → $253B (+$19.7B)
1.83% more ownership
Funds ownership: 78.1% → 79.93% (+1.8%)
9% more repeat investments, than reductions
Existing positions increased: 1,628 | Existing positions reduced: 1,491
1% more funds holding
Funds holding: 3,796 → 3,818 (+22)
0% less call options, than puts
Call options by funds: $3.18B | Put options by funds: $3.18B
12% less funds holding in top 10
Funds holding in top 10: 89 → 78 (-11)
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
3,818 of the 8,276 institutional investors tracked by Wall St. Rank reported a position in Merck (MRK) for Q2 2026, worth a combined $253B — up 8.4% from $234B a quarter earlier.
Buyers outnumbered sellers: 209 funds opened new MRK positions and 117 closed out — a net gain of 92 holders — while 1,628 added to existing stakes and 1,491 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.
- 3,818 institutional investors held Merck (MRK) as of Q2 2026, up from 3,796 in Q1 2026.
- Funds reported $253B of Merck stock for Q2 2026, up 8.4% quarter-over-quarter.
- 209 funds opened new Merck positions in Q2 2026 and 117 closed out, a net change of +92 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.