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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
76
$222K
77
$218K
78
$215K
79
$195K
80
$177K
81
$169K
82
$164K
83
$157K
84
$143K
85
$141K
86
$134K
87
$129K
88
$116K
89
$112K
90
$111K
91
$95K
92
$82K
93
$66K
94
$52K
95
$51K
96
$50K
97
$36K
98
$34K
99
$15K
100
$11K