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MRSN

Mersana Therapeutics

Delisted

MRSN was delisted on the 5th of January, 2026.

Name Holding Trade Value Shares
Change
Change in
Stake
Connor, Clark & Lunn Investment Management (CC&L)
51
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.63M -$396K -784 -12%
PHP
52
Parkman Healthcare Partners
Connecticut
$2.61M -$2.22M -4,397 -44%
EP
53
Eversept Partners
New York
$2.61M +$2.83M +5,600 New
Teacher Retirement System of Texas
54
Teacher Retirement System of Texas
Texas
$2.57M +$2.79M +5,524 New
Wells Fargo
55
Wells Fargo
California
$2.4M +$220K +435 +9%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$2.3M +$419K +829 +20%
Swiss National Bank
57
Swiss National Bank
Switzerland
$2.16M +$74.8K +148 +3%
CS
58
Credit Suisse
Switzerland
$2.1M +$1.11M +2,199 +95%
PIM
59
Platinum Investment Management
Australia
$2.06M
Millennium Management
60
Millennium Management
New York
$1.87M -$13.7M -27,070 -87%
SSA
61
Schonfeld Strategic Advisors
New York
$1.73M +$874K +1,729 +87%
State of Wisconsin Investment Board
62
State of Wisconsin Investment Board
Wisconsin
$1.7M +$277K +548 +18%
ACH
63
ArrowMark Colorado Holdings
Colorado
$1.68M
Massachusetts Financial Services
64
Massachusetts Financial Services
Massachusetts
$1.49M +$1.61M +3,195 New
AllianceBernstein
65
AllianceBernstein
Tennessee
$1.46M +$20.2K +40 +1%
Rafferty Asset Management
66
Rafferty Asset Management
New York
$1.44M +$1.33M +2,630 +562%
IBT
67
International Biotechnology Trust
United Kingdom
$1.34M +$1.46M +2,880 New
Renaissance Technologies
68
Renaissance Technologies
New York
$1.33M -$5.43M -10,751 -79%
MS
69
Maven Securities
Jersey
$1.31M +$1.42M +2,804 New
Susquehanna International Group
70
Susquehanna International Group
Pennsylvania
$1.29M +$891K +1,763 +174%
RhumbLine Advisers
71
RhumbLine Advisers
Massachusetts
$1.2M -$90.4K -179 -6%
UBS AM
72
UBS AM
Illinois
$1.17M +$219K +433 +21%
BRA
73
Blue Rock Advisors
Minnesota
$1.14M +$1.23M +2,442 New
TD Asset Management
74
TD Asset Management
Ontario, Canada
$1.06M +$675K +1,336 +143%
AQR Capital Management
75
AQR Capital Management
Connecticut
$869K -$123K -244 -12%