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Mersana Therapeutics
MRSN

Overview Fund Activity

70 hedge funds and large institutions have $203M invested in Mersana Therapeutics in 2019 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 24 increasing their positions, 22 reducing their positions, and 19 closing their positions.

Holders
70
Holders Change
-6
Holders Change %
-7.89%
% of All Funds
1.38%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.06%
New
13
Increased
24
Reduced
22
Closed
19
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
VMI
1
VHCP Management III
New York
$8.95M
2
VMI
2
VHCP Management II
New York
$5.29M
3
GTC
3
Ghost Tree Capital
New York
$4.58M
4
Millennium Management
4
Millennium Management
New York
$4.6M
5
O
5
OrbiMed
New York
$11.9M

Top Sellers

1
BI
1
BVF Inc
California
$6.77M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$121K
3
BC
3
Boxer Capital
California
$0
4
DCM
4
DAFNA Capital Management
California
$621K
5
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$860K
Name Market Value Shares Shares
Change 		Shares
Change %
NMC
1
NEA Management Company
Maryland
$68.6M 11,963,649 – –
SCM
2
Sarissa Capital Management
Connecticut
$21.5M 3,750,000 – –
BlackRock
3
BlackRock
New York
$14.1M 2,465,319 +33,576 +1%
O
4
OrbiMed
New York
$11.9M 2,073,319 +182,200 +10%
Vanguard Group
5
Vanguard Group
Pennsylvania
$10.7M 1,867,264 -4,207 -0.2%
VMI
6
VHCP Management III
New York
$8.95M 1,561,389 +1,561,389 New
RSCM
7
Rock Springs Capital Management
Maryland
$7.07M 1,233,000 -167,000 -12%
BI
8
BVF Inc
California
$6.77M 1,180,553 -2,861,335 -71%
VMI
9
VHCP Management II
New York
$5.29M 922,514 +922,514 New
Millennium Management
10
Millennium Management
New York
$4.6M 803,541 +761,017 +1,790%
GTC
11
Ghost Tree Capital
New York
$4.58M 800,000 +800,000 New
RCP
12
Rho Capital Partners
New York
$4.56M 796,458 – –
Renaissance Technologies
13
Renaissance Technologies
New York
$4.12M 719,768 -46,957 -6%
JPMorgan Chase & Co
14
JPMorgan Chase & Co
New York
$3.89M 678,247 -250,674 -27%
State Street
15
State Street
Massachusetts
$3.56M 620,685 +21,025 +4%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$3.03M 529,172 +44,760 +9%
Northern Trust
17
Northern Trust
Illinois
$2.23M 388,616 +232 +0.1%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$1.47M 256,328 -900 -0.3%
Citadel Advisors
19
Citadel Advisors
Florida
$1.26M 220,102 +126,928 +136%
OAM
20
Oxford Asset Management
United Kingdom
$1.16M 201,636 +24,546 +14%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$1.11M 194,243 +93,143 +92%
SCM
22
Sio Capital Management
New York
$953K 166,250 +166,250 New
BCM
23
Bridgeway Capital Management
Texas
$913K 159,400 +46,600 +41%
Point72 Asset Management
24
Point72 Asset Management
Connecticut
$860K 150,000 -345,000 -70%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$848K 148,147 -93,419 -39%
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