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MRSN
Mersana Therapeutics
MRSN
MRSN
Delisted
MRSN was delisted on the 5th of January, 2026.
152 hedge funds and large institutions have $590M invested in Mersana Therapeutics in 2022 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 68 increasing their positions, 37 reducing their positions, and 20 closing their positions.
New
Increased
Maintained
Reduced
Closed
84% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 37
9% more call options, than puts
Call options by funds: $512K | Put options by funds: $469K
5% more capital invested
Capital invested by funds: $562M → $590M (+$27.5M)
0.26% more ownership
Funds ownership: 3.8% → 4.06% (+0.26%)
0% more funds holding
Funds holding: 152 → 152 (0)
0% more first-time investments, than exits
New positions opened: 20 | Existing positions closed: 20
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Holders
152
Holders Change
–
Holders Change %
0%
% of All Funds
2.44%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.05%
New
20
Increased
68
Reduced
37
Closed
20
Calls
$512K
Puts
$469K
Net Calls
+$43K
Net Calls Change
-$55K
Top Buyers
| 1 |
Marshall Wace
London,
United Kingdom
|
+$13.5M |
| 2 |
State Street
Boston,
Massachusetts
|
+$12.1M |
| 3 |
ACP
Acuta Capital Partners
Redwood City,
California
|
+$6.42M |
| 4 |
CIBC Asset Management
Toronto,
Ontario, Canada
|
+$3.83M |
| 5 |
WP
Woodline Partners
San Francisco,
California
|
+$3.54M |
Top Sellers
| 1 |
Invesco
Atlanta,
Georgia
|
-$3.57M |
| 2 |
OM
Opaleye Management
Boston,
Massachusetts
|
-$2.98M |
| 3 |
Goldman Sachs
New York
|
-$2.63M |
| 4 |
UOC
UBS O'Connor
Chicago,
Illinois
|
-$2.54M |
| 5 |
D.E. Shaw & Co
New York
|
-$1.95M |
