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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
Qube Research & Technologies (QRT)
51
Qube Research & Technologies (QRT)
United Kingdom
$1.03M +$929K +6,617 +192%
Walleye Capital
52
Walleye Capital
New York
$918K +$1.25M +8,936 New
BNP Paribas Financial Markets
53
BNP Paribas Financial Markets
France
$911K +$556K +3,961 +81%
PAM
54
Panagora Asset Management
Massachusetts
$889K +$142K +1,009 +13%
Two Sigma Investments
55
Two Sigma Investments
New York
$841K -$2.32M -16,530 -67%
GCP
56
GSA Capital Partners
United Kingdom
$840K +$967K +6,889 +534%
Barclays
57
Barclays
United Kingdom
$814K -$191K -1,363 -15%
UBS Group
58
UBS Group
Switzerland
$762K -$579K -4,128 -36%
Swiss National Bank
59
Swiss National Bank
Switzerland
$708K -$86.5K -616 -8%
TCM
60
Tekla Capital Management
Massachusetts
$667K +$912K +6,495 New
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$651K +$30.2K +215 +4%
Macquarie Group
62
Macquarie Group
Australia
$617K
Fidelity Investments
63
Fidelity Investments
Massachusetts
$509K +$2.53K +18 +0.4%
JP Morgan Chase
64
JP Morgan Chase
New York
$500K -$1.49M -10,610 -69%
T. Rowe Price Associates
65
T. Rowe Price Associates
Maryland
$500K +$4.77K +34 +0.7%
Citadel Advisors
66
Citadel Advisors
Florida
$463K -$2.88M -20,517 -82%
California State Teachers Retirement System (CalSTRS)
67
California State Teachers Retirement System (CalSTRS)
California
$430K +$281 +2 +0%
CS
68
Credit Suisse
Switzerland
$427K +$35.9K +256 +7%
UBS AM
69
UBS AM
Illinois
$422K
AllianceBernstein
70
AllianceBernstein
Tennessee
$410K
Wells Fargo
71
Wells Fargo
California
$400K +$546K +3,891 New
Allianz Asset Management
72
Allianz Asset Management
Germany
$372K +$171K +1,216 +51%
PA
73
Profund Advisors
Maryland
$370K +$506K +3,604 New
HT
74
HAP Trading
New York
$368K +$503K +3,583 New
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
75
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$345K