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Gossamer Bio

Name Holding Trade Value Shares
Change
Change in
Stake
OCA
1
Octagon Capital Advisors
New York
$22.6M – – –
NMC
2
NEA Management Company
Maryland
$22.3M – – –
BlackRock
3
BlackRock
New York
$14.9M +$9.89M +113,372 +295%
Vanguard Group
4
Vanguard Group
Pennsylvania
$14M +$1.45M +16,586 +13%
AVM
5
Arch Venture Management
Illinois
$9.91M – – –
Fidelity Investments
6
Fidelity Investments
Massachusetts
$9M -$303K -3,470 -4%
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$8.79M +$859K +9,849 +12%
6CM
8
683 Capital Management
New York
$7.8M +$262K +3,000 +4%
SB
9
Samsara BioCapital
California
$7.54M – – –
PAI
10
Palo Alto Investors
California
$7.06M -$587K -6,723 -9%
SL
11
Siren LLC
Connecticut
$6.41M – – –
SCM
12
Silverarc Capital Management
Massachusetts
$6.33M -$1.28M -14,674 -19%
HA
13
HHLR Advisors
Cayman Islands
$6.12M – – –
Geode Capital Management
14
Geode Capital Management
Massachusetts
$5.6M +$2.49M +28,533 +100%
Alyeska Investment Group
15
Alyeska Investment Group
Illinois
$5.48M +$322K +3,692 +7%
Corient Private Wealth
16
Corient Private Wealth
Florida
$4.54M +$330K +3,777 +9%
MAM
17
Monaco Asset Management
Monaco
$4.37M -$1.42M -16,239 -27%
OM
18
Opaleye Management
Massachusetts
$4.36M -$810K -9,280 -17%
RSCM
19
Rock Springs Capital Management
Maryland
$4.02M – – –
Renaissance Technologies
20
Renaissance Technologies
New York
$3.36M +$1.27M +14,540 +74%
State Street
21
State Street
Massachusetts
$3.05M +$1.74M +19,985 +181%
Deutsche Bank
22
Deutsche Bank
Germany
$2.78M +$162K +1,859 +7%
Two Sigma Investments
23
Two Sigma Investments
New York
$2.15M +$512K +5,871 +37%
EP
24
Eversept Partners
New York
$2.09M -$2.4M -27,514 -56%
Two Sigma Advisers
25
Two Sigma Advisers
New York
$2.06M +$420K +4,813 +30%