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Mersana Therapeutics
MRSN

Overview Fund Activity

131 hedge funds and large institutions have $955M invested in Mersana Therapeutics in 2021 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 51 increasing their positions, 40 reducing their positions, and 19 closing their positions.

Holders
131
Holders Change
-1
Holders Change %
-0.76%
% of All Funds
2.29%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
18
Increased
51
Reduced
40
Closed
19
Calls
$37K
Puts
$3.75M
Net Calls
-$3.71M
Net Calls Change
-$3.34M

Top Buyers

1
Assenagon Asset Management
1
Assenagon Asset Management
Luxembourg
$14.1M
2
O
2
OrbiMed
New York
$38M
3
CS
3
Candriam SCA
Luxembourg
$26.8M
4
BlackRock
4
BlackRock
New York
$120M
5
CIBC Asset Management
5
CIBC Asset Management
Ontario, Canada
$14.4M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$365K
2
PI
2
Putnam Investments
Massachusetts
$0
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$31.5M
4
Goldman Sachs
4
Goldman Sachs
New York
$7.84M
5
State Street
5
State Street
Massachusetts
$44.1M
Name Market Value Shares Shares
Change 		Shares
Change %
RhumbLine Advisers
51
RhumbLine Advisers
Massachusetts
$1.09M 80,334 +12,462 +18%
State of Wisconsin Investment Board
52
State of Wisconsin Investment Board
Wisconsin
$1.08M 79,700 -11,300 -12%
AllianceBernstein
53
AllianceBernstein
Tennessee
$978K 72,000 – –
Hudson Bay Capital Management
54
Hudson Bay Capital Management
Connecticut
$951K 70,000 +70,000 New
QF
55
QVT Financial
New York
$851K 62,657 – –
Qube Research & Technologies (QRT)
56
Qube Research & Technologies (QRT)
United Kingdom
$851K 62,685 +62,685 New
HS
57
HighVista Strategies
Massachusetts
$814K 59,906 +59,906 New
TD Asset Management
58
TD Asset Management
Ontario, Canada
$813K 73,954 -13,403 -15%
New York State Common Retirement Fund
59
New York State Common Retirement Fund
New York
$807K 59,445 +11,145 +23%
Barclays
60
Barclays
United Kingdom
$778K 57,365 -68,063 -54%
Bank of America
61
Bank of America
North Carolina
$750K 55,232 +21,841 +65%
CM
62
Caption Management
Oklahoma
$742K 54,700 -191,447 -78%
CS
63
Credit Suisse
Switzerland
$736K 54,157 +715 +1%
Jane Street
64
Jane Street
New York
$712K 52,372 -10,963 -17%
Fidelity International
65
Fidelity International
Bermuda
$712K 52,415 – –
AA
66
AlphaCentric Advisors
Puerto Rico
$618K 45,500 +15,000 +49%
EGM
67
Engineers Gate Manager
New York
$592K 43,592 +31,732 +268%
UBS AM
68
UBS AM
Illinois
$590K 43,419 +3,852 +10%
Squarepoint
69
Squarepoint
New York
$577K 42,507 -12,908 -23%
D.E. Shaw & Co
70
D.E. Shaw & Co
New York
$544K 40,085 -113,986 -74%
Manulife (Manufacturers Life Insurance)
71
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$541K 39,806 +9,265 +30%
TRSOTSOK
72
Teachers Retirement System of the State of Kentucky
Kentucky
$500K 36,839 – –
PPA
73
Parametric Portfolio Associates
Washington
$489K 35,986 -3,815 -10%
ProShare Advisors
74
ProShare Advisors
Maryland
$412K 30,366 +6,587 +28%
Skandinaviska Enskilda Banken (SEB)
75
Skandinaviska Enskilda Banken (SEB)
Sweden
$412K 30,304 +30,304 New
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