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Mersana Therapeutics

109 hedge funds and large institutions have $647M invested in Mersana Therapeutics in 2021 Q3 according to their latest regulatory filings, with 11 funds opening new positions, 45 increasing their positions, 34 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

less call options, than puts

Call options by funds: $ | Put options by funds: $

32% less capital invested

Capital invested by funds: $955M → $647M (-$308M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

66% less first-time investments, than exits

New positions opened: 11 | Existing positions closed: 32

Holders
109
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.22M
Puts
$1.57M
Net Calls
Net Calls Change

Top Buyers

1 +$12.4M
2 +$7.96M
3 +$5.36M
4
Morgan Stanley
Morgan Stanley
New York
+$5.11M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$4.72M

Top Sellers

1 -$28.6M
2 -$12.6M
3 -$8.2M
4
GTC
Ghost Tree Capital
New York
-$6.11M
5
CC
Commodore Capital
New York
-$5.83M
Name Holding Trade Value Shares
Change
Change in
Stake
26
$3.28M
27
$2.6M
28
$2.55M
29
$2.25M
30
$2.19M
31
$2.06M
32
$1.77M
33
$1.65M
34
$1.53M
35
$1.48M
36
$1.32M
37
$1.16M
38
$1.07M
39
$1.05M
40
$982K
41
$978K
42
$910K
43
$884K
44
$832K
45
$789K
46
$780K
47
$730K
48
$679K
49
$677K
50
$675K