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MRSN
Mersana Therapeutics
MRSN
MRSN
Delisted
MRSN was delisted on the 5th of January, 2026.
56 hedge funds and large institutions have $295M invested in Mersana Therapeutics in 2018 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 29 increasing their positions, 9 reducing their positions, and 7 closing their positions.
New
Increased
Maintained
Reduced
Closed
222% more repeat investments, than reductions
Existing positions increased: 29 | Existing positions reduced: 9
86% more first-time investments, than exits
New positions opened: 13 | Existing positions closed: 7
12% more funds holding
Funds holding: 50 → 56 (+6)
4% more capital invested
Capital invested by funds: $283M → $295M (+$12.3M)
0.26% more ownership
Funds ownership: 3.03% → 3.29% (+0.26%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
Holders
56
Holders Change
+6
Holders Change %
+12%
% of All Funds
1.28%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
13
Increased
29
Reduced
9
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–
Top Buyers
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$8.4M |
| 2 |
GTC
Ghost Tree Capital
New York
|
+$4.39M |
| 3 |
BlackRock
New York
|
+$3.8M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$3.8M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
+$2.69M |
