Merck
MRK
3,329 hedge funds and large institutions have $158B invested in Merck in 2025 Q2 according to their latest regulatory filings, with 179 funds opening new positions, 1,298 increasing their positions, 1,537 reducing their positions, and 252 closing their positions.
3% more call options, than puts
Call options by funds: $2.52B | Put options by funds: $2.44B
0.28% less ownership
Funds ownership: 78.7% → 78.42% (-0.28%)
3% less funds holding
Funds holding: 3,449 → 3,329 (-120)
13% less capital invested
Capital invested by funds: $181B → $158B (-$22.6B)
16% less repeat investments, than reductions
Existing positions increased: 1,298 | Existing positions reduced: 1,537
29% less first-time investments, than exits
New positions opened: 179 | Existing positions closed: 252
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
3,329 of the 7,598 institutional investors tracked by Wall St. Rank reported a position in Merck (MRK) for Q2 2025, worth a combined $158B — down 13% from $181B a quarter earlier.
Sellers outnumbered buyers: 252 funds closed out of MRK and 179 opened new positions — a net loss of 73 holders — while 1,537 trimmed existing stakes and 1,298 added.
The largest buyer was Franklin Resources, adding an estimated $408M. The largest seller was Raymond James Financial, cutting an estimated $636M.
- 3,329 institutional investors held Merck (MRK) as of Q2 2025, down from 3,449 in Q1 2025.
- Funds reported $158B of Merck stock for Q2 2025, down 13% quarter-over-quarter.
- 179 funds opened new Merck positions in Q2 2025 and 252 closed out, a net change of -73 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.