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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 $562M invested in Mersana Therapeutics in 2022 Q3 according to their latest regulatory filings, with 40 funds opening new positions, 62 increasing their positions, 27 reducing their positions, and 14 closing their positions.
New
Increased
Maintained
Reduced
Closed
1,089% more call options, than puts
Call options by funds: $107K | Put options by funds: $9K
186% more first-time investments, than exits
New positions opened: 40 | Existing positions closed: 14
130% more repeat investments, than reductions
Existing positions increased: 62 | Existing positions reduced: 27
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
54% more capital invested
Capital invested by funds: $366M → $562M (+$196M)
21% more funds holding
Funds holding: 126 → 152 (+26)
0.15% more ownership
Funds ownership: 3.64% → 3.8% (+0.15%)
Holders
152
Holders Change
+26
Holders Change %
+20.63%
% of All Funds
2.62%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.07%
New
40
Increased
62
Reduced
27
Closed
14
Calls
$107K
Puts
$9K
Net Calls
+$98K
Net Calls Change
+$336K
Top Buyers
| 1 |
State Street
Boston,
Massachusetts
|
+$15.9M |
| 2 |
ABG
Ally Bridge Group
New York
|
+$6.06M |
| 3 |
N
Nuveen
Charlotte,
North Carolina
|
+$5.38M |
| 4 |
HIM
Hillsdale Investment Management
Toronto,
Ontario, Canada
|
+$4.49M |
| 5 |
D.E. Shaw & Co
New York
|
+$4.2M |
Top Sellers
| 1 |
WP
Woodline Partners
San Francisco,
California
|
-$14.6M |
| 2 |
BlackRock
New York
|
-$11.7M |
| 3 |
Millennium Management
New York
|
-$3.89M |
| 4 |
JP Morgan Chase
New York
|
-$2.54M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$2.31M |
