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Mersana Therapeutics
MRSN

Overview Fund Activity

122 hedge funds and large institutions have $436M invested in Mersana Therapeutics in 2021 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 45 increasing their positions, 24 reducing their positions, and 16 closing their positions.

Holders
122
Holders Change
+12
Holders Change %
+10.91%
% of All Funds
1.88%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
30
Increased
45
Reduced
24
Closed
16
Calls
$92K
Puts
$1.03M
Net Calls
-$938K
Net Calls Change
-$588K

Top Buyers

1
BCLSI
1
Bain Capital Life Sciences Investors
Massachusetts
$33.5M
2
Point72 Asset Management
2
Point72 Asset Management
Connecticut
$5.09M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$4.01M
4
Morgan Stanley
4
Morgan Stanley
New York
$7.64M
5
BNP Paribas Financial Markets
5
BNP Paribas Financial Markets
France
$3.85M

Top Sellers

1
PAMS
1
Pictet Asset Management (Switzerland)
Switzerland
$0
2
Alkeon Capital Management
2
Alkeon Capital Management
New York
$0
3
BlackRock
3
BlackRock
New York
$46.5M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$31.2M
5
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$712K
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$46.5M 7,479,229 -1,328,099 -15%
ACA
2
Avoro Capital Advisors
New York
$42.3M 6,800,000 – –
BCLSI
3
Bain Capital Life Sciences Investors
Massachusetts
$33.5M 5,385,667 +1,690,000 +46%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$31.2M 5,017,078 -990,297 -16%
SCM
5
Sarissa Capital Management
Connecticut
$26.7M 4,299,297 – –
State Street
6
State Street
Massachusetts
$26.3M 4,220,557 +130,361 +3%
BG
7
Bellevue Group
Switzerland
$25.9M 4,164,000 -97,000 -2%
Vanguard Group
8
Vanguard Group
Pennsylvania
$22.4M 3,607,431 -74,163 -2%
RSCM
9
Rock Springs Capital Management
Maryland
$20.2M 3,248,950 +228,248 +8%
O
10
OrbiMed
New York
$18M 2,888,847 – –
CS
11
Candriam SCA
Luxembourg
$12.6M 2,022,895 – –
Morgan Stanley
12
Morgan Stanley
New York
$7.64M 1,228,607 +560,718 +84%
Goldman Sachs
13
Goldman Sachs
New York
$7.52M 1,209,612 +64,243 +6%
AG
14
Artal Group
Luxembourg
$7.46M 1,200,000 – –
Geode Capital Management
15
Geode Capital Management
Massachusetts
$7.07M 1,137,001 +72,666 +7%
Assenagon Asset Management
16
Assenagon Asset Management
Luxembourg
$6.68M 1,073,748 +169,882 +19%
CIBC Asset Management
17
CIBC Asset Management
Ontario, Canada
$6.57M 1,055,994 -2,804 -0.3%
Two Sigma Advisers
18
Two Sigma Advisers
New York
$6.53M 1,050,200 +420,200 +67%
Two Sigma Investments
19
Two Sigma Investments
New York
$5.46M 877,752 +529,507 +152%
Point72 Asset Management
20
Point72 Asset Management
Connecticut
$5.09M 818,100 +818,100 New
RCP
21
Rho Capital Partners
New York
$4.95M 796,458 – –
Northern Trust
22
Northern Trust
Illinois
$4.65M 747,876 +50,863 +7%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$4.01M 644,903 +596,298 +1,227%
Millennium Management
24
Millennium Management
New York
$3.96M 636,084 +532,347 +513%
BNP Paribas Financial Markets
25
BNP Paribas Financial Markets
France
$3.85M 618,416 +546,636 +762%
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