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Mersana Therapeutics

84 hedge funds and large institutions have $22.8M invested in Mersana Therapeutics in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 23 increasing their positions, 30 reducing their positions, and 40 closing their positions.

Holders
84
Holders Change
-28
Holders Change %
-25%
% of All Funds
1.13%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
13
Increased
23
Reduced
30
Closed
40
Calls
$14K
Puts
$4K
Net Calls
+$10K
Net Calls Change
+$3K
Name Market Value Shares Shares
Change
Shares
Change %
GCP
26
GSA Capital Partners
United Kingdom
$140K 471,681 +471,681 New
State Street
27
State Street
Massachusetts
$134K 452,110 -2,151,758 -83%
Morgan Stanley
28
Morgan Stanley
New York
$106K 357,597 +50,467 +16%
Cerity Partners
29
Cerity Partners
New York
$95K 320,805 +76,570 +31%
Deutsche Bank
30
Deutsche Bank
Germany
$91.5K 305,070 -534,654 -64%
Marshall Wace
31
Marshall Wace
United Kingdom
$68.1K 226,971 +226,971 New
Northern Trust
32
Northern Trust
Illinois
$65.9K 222,694 -642,093 -74%
Carson Wealth (CWM LLC)
33
Carson Wealth (CWM LLC)
Nebraska
$49K 165,404 -19,421 -11%
Qube Research & Technologies (QRT)
34
Qube Research & Technologies (QRT)
United Kingdom
$45.3K 152,877 -1,021,720 -87%
Macquarie Group
35
Macquarie Group
Australia
$44K 150,000
Fidelity Investments
36
Fidelity Investments
Massachusetts
$41K 138,520 -32,560 -19%
JPMorgan Chase & Co
37
JPMorgan Chase & Co
New York
$38.5K 130,094 +79,390 +157%
Wealth Enhancement Advisory Services
38
Wealth Enhancement Advisory Services
Minnesota
$36.7K 126,729 -3,971 -3%
AG
39
Algert Global
California
$30K 101,313 -33,700 -25%
PCA
40
Pallas Capital Advisors
Massachusetts
$28.6K 96,709 +2,178 +2%
JG
41
Jain Global
New York
$28.5K 96,154 +96,154 New
HF
42
HRT Financial
New York
$27K 93,373 +46,876 +101%
PAS
43
Point72 Asia (Singapore)
Singapore
$22.2K 75,151 +75,151 New
Citigroup
44
Citigroup
New York
$21.6K 72,997 -8,628 -11%
Bank of New York Mellon
45
Bank of New York Mellon
New York
$19.7K 66,577 -279,611 -81%
QF
46
QVT Financial
New York
$18.5K 62,657
CFO
47
Callan Family Office
Pennsylvania
$16.7K 56,559 +56,559 New
RS
48
R Squared
Hong Kong
$14K 47,229 +47,229 New
CAPTRUST Financial Advisors
49
CAPTRUST Financial Advisors
North Carolina
$12.4K 41,746 +10,612 +34%
VPIM
50
Vanguard Personalized Indexing Management
California
$10.9K 36,692 -5,946 -14%