Merus
MRUS
MRUS was delisted on the 29th of December, 2025.
192 hedge funds and large institutions have $2.96B invested in Merus in 2024 Q4 according to their latest regulatory filings, with 37 funds opening new positions, 72 increasing their positions, 54 reducing their positions, and 32 closing their positions.
36% more call options, than puts
Call options by funds: $5.1M | Put options by funds: $3.75M
33% more repeat investments, than reductions
Existing positions increased: 72 | Existing positions reduced: 54
16% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 32
8% more funds holding in top 10
Funds holding in top 10: 12 → 13 (+1)
2% more funds holding
Funds holding: 189 → 192 (+3)
1.59% more ownership
Funds ownership: 101.2% → 102.79% (+1.6%)
14% less capital invested
Capital invested by funds: $3.45B → $2.96B (-$494M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$52.7M |
| 2 |
ACA
Avoro Capital Advisors
New York
|
+$37M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
+$29.3M |
| 4 |
CC
Commodore Capital
New York
|
+$25.2M |
| 5 |
PCH
Polar Capital Holdings
London,
United Kingdom
|
+$21.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$37.2M |
| 2 |
PBA
Paradigm Biocapital Advisors
New York
|
-$36.7M |
| 3 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$36.2M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$27.2M |
| 5 |
Goldman Sachs
New York
|
-$23.9M |
MRUS Hedge Fund Activity: Q4 2024 in Review
192 institutional investors reported a position in Merus (MRUS) for Q4 2024, worth a combined $2.96B — down 14% from $3.45B a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new MRUS positions and 32 closed out — a net gain of 5 holders — while 72 added to existing stakes and 54 trimmed.
The largest buyer was UBS Group, adding an estimated $52.7M. The largest seller was Morgan Stanley, cutting an estimated $37.2M.
- 192 institutional investors held Merus (MRUS) as of Q4 2024, up from 189 in Q3 2024.
- Funds reported $2.96B of Merus stock for Q4 2024, down 14% quarter-over-quarter.
- 37 funds opened new Merus positions in Q4 2024 and 32 closed out, a net change of +5 holders.
- The largest Merus buyer in Q4 2024 was UBS Group, an estimated $52.7M added.
- The largest Merus seller in Q4 2024 was Morgan Stanley, an estimated $37.2M sold.
Based on aggregated 13F filings for Q4 2024.