Merus
MRUS
MRUS was delisted on the 29th of December, 2025.
26 hedge funds and large institutions have $212M invested in Merus in 2019 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 4 increasing their positions, 9 reducing their positions, and 5 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
22% more capital invested
Capital invested by funds: $173M → $212M (+$38.3M)
0.18% more ownership
Funds ownership: 50.6% → 50.78% (+0.18%)
0% more funds holding
Funds holding: 26 → 26 (0)
0% more first-time investments, than exits
New positions opened: 5 | Existing positions closed: 5
56% less repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 9
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$10.2M |
| 2 |
EC
EcoR1 Capital
San Francisco,
California
|
+$2.72M |
| 3 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
+$2.57M |
| 4 |
AG
Artal Group
Luxembourg
|
+$2.46M |
| 5 |
ACP
Acuta Capital Partners
Redwood City,
California
|
+$1.14M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NHAS
Novo Holdings A/S
Hellerup,
Denmark
|
-$7.25M |
| 2 |
ACM
Aquilo Capital Management
San Francisco,
California
|
-$5.79M |
| 3 |
TCM
Tekla Capital Management
Boston,
Massachusetts
|
-$3.67M |
| 4 |
PIM
Platinum Investment Management
Sydney Australia 2000,
Australia
|
-$619K |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
-$572K |
MRUS Hedge Fund Activity: Q3 2019 in Review
26 institutional investors reported a position in Merus (MRUS) for Q3 2019, worth a combined $212M — up 22% from $173M a quarter earlier.
Fund positioning in MRUS was balanced in Q3 2019: 5 funds opened new positions, 5 closed out, 4 added to existing stakes and 9 trimmed.
The largest buyer was Driehaus Capital Management, opening a new position worth an estimated $10.2M. The largest seller was Novo Holdings A/S, exiting entirely with an estimated $7.25M sold.
- 26 institutional investors held Merus (MRUS) as of Q3 2019, unchanged from Q2 2019.
- Funds reported $212M of Merus stock for Q3 2019, up 22% quarter-over-quarter.
- 5 funds opened new Merus positions in Q3 2019 and 5 closed out, a net change of 0 holders.
- The largest Merus buyer in Q3 2019 was Driehaus Capital Management, an estimated $10.2M added.
- The largest Merus seller in Q3 2019 was Novo Holdings A/S, an estimated $7.25M sold.
Based on aggregated 13F filings for Q3 2019.