Merck
MRK
3,340 hedge funds and large institutions have $156B invested in Merck in 2025 Q2 according to their latest regulatory filings, with 177 funds opening new positions, 1,303 increasing their positions, 1,544 reducing their positions, and 251 closing their positions.
3% more call options, than puts
Call options by funds: $2.52B | Put options by funds: $2.44B
0.35% less ownership
Funds ownership: 78.69% → 78.33% (-0.35%)
4% less funds holding
Funds holding: 3,462 → 3,340 (-122)
15% less capital inflows, than outflows
Capital inflows: $7.78B | Capital outflows: $9.11B
16% less repeat investments, than reductions
Existing positions increased: 1,303 | Existing positions reduced: 1,544
29% less first-time investments, than exits
New positions opened: 177 | Existing positions closed: 251
35% less funds holding in top 10
Funds holding in top 10: 65 → 42 (-23)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Franklin Resources
San Mateo,
California
|
+$408M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$405M |
| 3 |
Charles Schwab
San Francisco,
California
|
+$369M |
| 4 |
UBS AM
Chicago,
Illinois
|
+$349M |
| 5 |
Goldman Sachs
New York
|
+$320M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Raymond James Financial
St Petersburg,
Florida
|
-$636M |
| 2 |
BlackRock
New York
|
-$561M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
-$383M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$331M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
-$243M |
MRK Hedge Fund Activity: Q2 2025 in Review
3,340 of the 7,630 institutional investors tracked by Wall St. Rank reported a position in Merck (MRK) for Q2 2025, worth a combined $156B — down 13% from $178B a quarter earlier.
Sellers outnumbered buyers: 251 funds closed out of MRK and 177 opened new positions — a net loss of 74 holders — while 1,544 trimmed existing stakes and 1,303 added.
The largest buyer was Franklin Resources, adding an estimated $408M. The largest seller was Raymond James Financial, cutting an estimated $636M.
- 3,340 institutional investors held Merck (MRK) as of Q2 2025, down from 3,462 in Q1 2025.
- Funds reported $156B of Merck stock for Q2 2025, down 13% quarter-over-quarter.
- 177 funds opened new Merck positions in Q2 2025 and 251 closed out, a net change of -74 holders.
- The largest Merck buyer in Q2 2025 was Franklin Resources, an estimated $408M added.
- The largest Merck seller in Q2 2025 was Raymond James Financial, an estimated $636M sold.
Based on aggregated 13F filings for Q2 2025.