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MRSN
Mersana Therapeutics
MRSN
MRSN
Delisted
MRSN was delisted on the 5th of January, 2026.
135 hedge funds and large institutions have $1.28B invested in Mersana Therapeutics in 2020 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 55 increasing their positions, 37 reducing their positions, and 21 closing their positions.
New
Increased
Maintained
Reduced
Closed
196% more call options, than puts
Call options by funds: $8.8M | Put options by funds: $2.97M
49% more repeat investments, than reductions
Existing positions increased: 55 | Existing positions reduced: 37
24% more first-time investments, than exits
New positions opened: 26 | Existing positions closed: 21
4% more funds holding
Funds holding: 130 → 135 (+5)
0.1% more ownership
Funds ownership: 3.91% → 4.02% (+0.1%)
11% less funds holding in top 10
Funds holding in top 10: 9 → 8 (-1)
17% less capital invested
Capital invested by funds: $1.53B → $1.28B (-$256M)
Holders
135
Holders Change
+5
Holders Change %
+3.85%
% of All Funds
2.72%
Holding in Top 10
8
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-11.11%
% of All Funds
0.16%
New
26
Increased
55
Reduced
37
Closed
21
Calls
$8.8M
Puts
$2.97M
Net Calls
+$5.83M
Net Calls Change
-$787K
Top Buyers
| 1 |
Alkeon Capital Management
New York
|
+$31.3M |
| 2 |
State Street
Boston,
Massachusetts
|
+$27.9M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$21.9M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
+$21.1M |
| 5 |
Wellington Management Group
Boston,
Massachusetts
|
+$18.3M |
Top Sellers
| 1 |
CCM
Consonance Capital Management
New York
|
-$49.1M |
| 2 |
NMC
NEA Management Company
Timonium,
Maryland
|
-$40.4M |
| 3 |
MWNA
Marshall Wace North America
New York
|
-$14.7M |
| 4 |
Millennium Management
New York
|
-$13.7M |
| 5 |
O
OrbiMed
New York
|
-$11.7M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
PHK
151
Point72 Hong Kong
Hong Kong
| – | -$139K | -238 | Closed |
|
|
NIT
152
NumerixS Investment Technologies
Vancouver,
British Columbia, Canada
| – | -$68K | -116 | Closed |
|
153
Simplex Trading
Chicago,
Illinois
| – | -$35.9K | -71 | Closed |
|
|
LC
154
Lindbrook Capital
Calabasas,
California
| – | -$12K | -20 | Closed |
|
155
Fidelity International
Hamilton,
Bermuda
| – | -$8K | -13 | Closed |
|
|
GT
156
Glenmede Trust
Philadelphia,
Pennsylvania
| – | +$505 | +1 | New |
|