Merus
MRUS
MRUS was delisted on the 29th of December, 2025.
156 hedge funds and large institutions have $2.31B invested in Merus in 2024 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 49 increasing their positions, 52 reducing their positions, and 11 closing their positions.
236% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 11
62% more capital invested
Capital invested by funds: $1.42B → $2.31B (+$887M)
56% more funds holding in top 10
Funds holding in top 10: 9 → 14 (+5)
19% more funds holding
Funds holding: 131 → 156 (+25)
0.92% less ownership
Funds ownership: 89.43% → 88.52% (-0.92%)
6% less repeat investments, than reductions
Existing positions increased: 49 | Existing positions reduced: 52
52% less call options, than puts
Call options by funds: $4.79M | Put options by funds: $9.88M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
+$70.4M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$48.1M |
| 3 |
Holocene Advisors
New York
|
+$38.1M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$37.8M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$29.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BI
BVF Inc
San Francisco,
California
|
-$64.1M |
| 2 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$56.3M |
| 3 |
SC
Samlyn Capital
New York
|
-$54.2M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$33.9M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$30.9M |
MRUS Hedge Fund Activity: Q1 2024 in Review
156 institutional investors reported a position in Merus (MRUS) for Q1 2024, worth a combined $2.31B — up 62% from $1.42B a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new MRUS positions and 11 closed out — a net gain of 26 holders — while 49 added to existing stakes and 52 trimmed.
The largest buyer was RTW Investments, adding an estimated $70.4M. The largest seller was BVF Inc, cutting an estimated $64.1M.
- 156 institutional investors held Merus (MRUS) as of Q1 2024, up from 131 in Q4 2023.
- Funds reported $2.31B of Merus stock for Q1 2024, up 62% quarter-over-quarter.
- 37 funds opened new Merus positions in Q1 2024 and 11 closed out, a net change of +26 holders.
- The largest Merus buyer in Q1 2024 was RTW Investments, an estimated $70.4M added.
- The largest Merus seller in Q1 2024 was BVF Inc, an estimated $64.1M sold.
Based on aggregated 13F filings for Q1 2024.