Merus
MRUS
MRUS was delisted on the 29th of December, 2025.
100 hedge funds and large institutions have $677M invested in Merus in 2022 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 39 increasing their positions, 29 reducing their positions, and 10 closing their positions.
70% more first-time investments, than exits
New positions opened: 17 | Existing positions closed: 10
34% more repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 29
8% more funds holding
Funds holding: 93 → 100 (+7)
5.67% less ownership
Funds ownership: 80.47% → 74.8% (-5.7%)
13% less capital invested
Capital invested by funds: $782M → $677M (-$105M)
38% less funds holding in top 10
Funds holding in top 10: 8 → 5 (-3)
57% less call options, than puts
Call options by funds: $136K | Put options by funds: $318K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SC
Samlyn Capital
New York
|
+$14.7M |
| 2 |
WP
Woodline Partners
San Francisco,
California
|
+$14M |
| 3 |
DM
Deerfield Management
New York
|
+$12.8M |
| 4 |
Marshall Wace
London,
United Kingdom
|
+$5.44M |
| 5 |
Franklin Resources
San Mateo,
California
|
+$4.59M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BBA
Baker Bros. Advisors
New York
|
-$22.5M |
| 2 |
BI
BVF Inc
San Francisco,
California
|
-$15.2M |
| 3 |
LCM
Lynx1 Capital Management
San Juan,
Puerto Rico
|
-$9.26M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
-$8.95M |
| 5 |
Millennium Management
New York
|
-$7.58M |
MRUS Hedge Fund Activity: Q3 2022 in Review
100 institutional investors reported a position in Merus (MRUS) for Q3 2022, worth a combined $677M — down 13% from $782M a quarter earlier.
Buyers outnumbered sellers: 17 funds opened new MRUS positions and 10 closed out — a net gain of 7 holders — while 39 added to existing stakes and 29 trimmed.
The largest buyer was Samlyn Capital, opening a new position worth an estimated $14.7M. The largest seller was Baker Bros. Advisors, exiting entirely with an estimated $22.5M sold.
- 100 institutional investors held Merus (MRUS) as of Q3 2022, up from 93 in Q2 2022.
- Funds reported $677M of Merus stock for Q3 2022, down 13% quarter-over-quarter.
- 17 funds opened new Merus positions in Q3 2022 and 10 closed out, a net change of +7 holders.
- The largest Merus buyer in Q3 2022 was Samlyn Capital, an estimated $14.7M added.
- The largest Merus seller in Q3 2022 was Baker Bros. Advisors, an estimated $22.5M sold.
Based on aggregated 13F filings for Q3 2022.