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MRSN
Mersana Therapeutics
MRSN
MRSN
Delisted
MRSN was delisted on the 5th of January, 2026.
131 hedge funds and large institutions have $955M invested in Mersana Therapeutics in 2021 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 50 increasing their positions, 40 reducing their positions, and 19 closing their positions.
New
Increased
Maintained
Reduced
Closed
25% more repeat investments, than reductions
Existing positions increased: 50 | Existing positions reduced: 40
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
0% less ownership
Funds ownership: 4.06% → 4.06% (-0%)
1% less funds holding
Funds holding: 132 → 131 (-1)
5% less first-time investments, than exits
New positions opened: 18 | Existing positions closed: 19
16% less capital invested
Capital invested by funds: $1.14B → $955M (-$189M)
99% less call options, than puts
Call options by funds: $37K | Put options by funds: $3.75M
Holders
131
Holders Change
-1
Holders Change %
-0.76%
% of All Funds
2.28%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
18
Increased
50
Reduced
40
Closed
19
Calls
$37K
Puts
$3.75M
Net Calls
-$3.71M
Net Calls Change
-$3.34M
Top Buyers
| 1 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$15.8M |
| 2 |
O
OrbiMed
New York
|
+$13.7M |
| 3 |
CS
Candriam SCA
Strassen, Luxembourg,
Luxembourg
|
+$12.9M |
| 4 |
BlackRock
New York
|
+$12.4M |
| 5 |
CIBC Asset Management
Toronto,
Ontario, Canada
|
+$11.1M |
Top Sellers
| 1 |
Point72 Asset Management
Stamford,
Connecticut
|
-$15.4M |
| 2 |
PI
Putnam Investments
Boston,
Massachusetts
|
-$11.7M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$9.94M |
| 4 |
Goldman Sachs
New York
|
-$8.79M |
| 5 |
State Street
Boston,
Massachusetts
|
-$7.56M |
