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Mersana Therapeutics
MRSN

Overview Fund Activity

106 hedge funds and large institutions have $273M invested in Mersana Therapeutics in 2023 Q4 according to their latest regulatory filings, with 19 funds opening new positions, 33 increasing their positions, 35 reducing their positions, and 40 closing their positions.

Holders
106
Holders Change
-22
Holders Change %
-17.19%
% of All Funds
1.55%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
19
Increased
33
Reduced
35
Closed
40
Calls
$962K
Puts
$1M
Net Calls
-$41K
Net Calls Change
-$1.53M

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$19.2M
2
NI
2
Nextech Invest
Switzerland
$13.9M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$22.5M
4
ACP
4
Acuta Capital Partners
California
$5.49M
5
SCM
5
Silverarc Capital Management
Massachusetts
$14.9M

Top Sellers

1
BG
1
Bellevue Group
Switzerland
$0
2
AAA
2
Affinity Asset Advisors
New York
$2.32M
3
CC
3
Commodore Capital
New York
$0
4
Walleye Capital
4
Walleye Capital
New York
$0
5
BC
5
Boxer Capital
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
D.E. Shaw & Co
26
D.E. Shaw & Co
New York
$1.55M 667,383 +599,601 +885%
UOC
27
UBS O'Connor
Illinois
$1.29M 555,645 +259,231 +87%
Fidelity Investments
28
Fidelity Investments
Massachusetts
$1.24M 535,628 -44,161 -8%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$897K 386,659 +10,903 +3%
Jane Street
30
Jane Street
New York
$861K 371,023 +98,018 +36%
Charles Schwab
31
Charles Schwab
California
$715K 308,072 +13,667 +5%
RAM
32
Readystate Asset Management
Illinois
$684K 295,038 +295,038 New
PAM
33
Panagora Asset Management
Massachusetts
$583K 251,382 -411 -0.2%
BCM
34
Bridgeway Capital Management
Texas
$539K 232,300 -349,400 -60%
Los Angeles Capital Management
35
Los Angeles Capital Management
California
$458K 197,470 – –
Acadian Asset Management
36
Acadian Asset Management
Massachusetts
$407K 175,808 -178,267 -50%
Two Sigma Investments
37
Two Sigma Investments
New York
$398K 171,345 +22,279 +15%
Bank of America
38
Bank of America
North Carolina
$376K 162,064 +44,692 +38%
RhumbLine Advisers
39
RhumbLine Advisers
Massachusetts
$371K 160,071 -5 -0%
Marshall Wace
40
Marshall Wace
United Kingdom
$366K 157,800 – –
UBS Group
41
UBS Group
Switzerland
$356K 153,276 +96,333 +169%
Susquehanna International Group
42
Susquehanna International Group
Pennsylvania
$354K 152,781 -28,071 -16%
Barclays
43
Barclays
United Kingdom
$352K 152,064 +117,910 +345%
Two Sigma Advisers
44
Two Sigma Advisers
New York
$351K 151,400 -209,300 -58%
Macquarie Group
45
Macquarie Group
Australia
$348K 150,000 – –
FIA
46
Foundations Investment Advisors
Arizona
$345K 102,000 +102,000 New
Goldman Sachs
47
Goldman Sachs
New York
$338K 145,565 -191,488 -57%
Amundi
48
Amundi
France
$309K 95,540 +95,540 New
AllianceBernstein
49
AllianceBernstein
Tennessee
$274K 118,180 -12,560 -10%
CSS
50
Cubist Systematic Strategies
Connecticut
$268K 115,656 +54,899 +90%
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