Merus
MRUS
MRUS was delisted on the 29th of December, 2025.
68 hedge funds and large institutions have $564M invested in Merus in 2021 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 22 increasing their positions, 15 reducing their positions, and 8 closing their positions.
113% more first-time investments, than exits
New positions opened: 17 | Existing positions closed: 8
47% more repeat investments, than reductions
Existing positions increased: 22 | Existing positions reduced: 15
15% more funds holding
Funds holding: 59 → 68 (+9)
1% more capital invested
Capital invested by funds: $558M → $564M (+$6.02M)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
0.25% less ownership
Funds ownership: 70.09% → 69.84% (-0.25%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$6.77M |
| 2 |
VC
Vivo Capital
Palo Alto,
California
|
+$5.9M |
| 3 |
Axa
Paris,
France
|
+$5.84M |
| 4 |
SFM
Sphera Funds Management
Tel Aviv,
Israel
|
+$4.63M |
| 5 |
Millennium Management
New York
|
+$4.01M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SI
Sofinnova Investments
Menlo Park,
California
|
-$27.4M |
| 2 |
APM
Avidity Partners Management
Dallas,
Texas
|
-$10.2M |
| 3 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$2.41M |
| 4 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$2.32M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
-$2.13M |
MRUS Hedge Fund Activity: Q2 2021 in Review
68 of the 5,768 institutional investors tracked by Wall St. Rank reported a position in Merus (MRUS) for Q2 2021, worth a combined $564M — up 1.1% from $558M a quarter earlier.
Buyers outnumbered sellers: 17 funds opened new MRUS positions and 8 closed out — a net gain of 9 holders — while 22 added to existing stakes and 15 trimmed.
The largest buyer was Wellington Management Group, adding an estimated $6.77M. The largest seller was Sofinnova Investments, exiting entirely with an estimated $27.4M sold.
- 68 institutional investors held Merus (MRUS) as of Q2 2021, up from 59 in Q1 2021.
- Funds reported $564M of Merus stock for Q2 2021, up 1.1% quarter-over-quarter.
- 17 funds opened new Merus positions in Q2 2021 and 8 closed out, a net change of +9 holders.
- The largest Merus buyer in Q2 2021 was Wellington Management Group, an estimated $6.77M added.
- The largest Merus seller in Q2 2021 was Sofinnova Investments, an estimated $27.4M sold.
Based on aggregated 13F filings for Q2 2021.