MRSN
Mersana Therapeutics
MRSN
MRSN
Delisted
MRSN was delisted on the 5th of January, 2026.
65 hedge funds and large institutions have $194M invested in Mersana Therapeutics in 2019 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 26 increasing their positions, 9 reducing their positions, and 4 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more capital invested
Capital invested by funds: $ → $
more funds holding in top 10
Funds holding in top 10: →
35% more funds holding
Funds holding: 48 → 65 (+17)
0.14% more ownership
Funds ownership: 2.96% → 3.1% (+0.14%)
Holders
65
Holding in Top 10
2
Calls
–
Puts
–
Top Buyers
| 1 | +$18.9M | |
| 2 | +$18.9M | |
| 3 | +$12.6M | |
| 4 |
EC
EcoR1 Capital
San Francisco,
California
|
+$11.6M |
| 5 |
O
OrbiMed
New York
|
+$9.52M |
Top Sellers
| 1 | -$1.45M | |
| 2 | -$1.37M | |
| 3 | -$158K | |
| 4 |
Morgan Stanley
New York
|
-$63.3K |
| 5 |
TRCT
Tower Research Capital (TRC)
New York
|
-$47.2K |