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Gossamer Bio

Name Holding Trade Value Shares
Change
Change in
Stake
OCA
1
Octagon Capital Advisors
New York
$16.6M +$7.85M +9,162,117 +100%
NMC
2
NEA Management Company
Maryland
$16.4M
Vanguard Group
3
Vanguard Group
Pennsylvania
$9.08M -$1.47M -1,720,248 -15%
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$7.97M +$2.61M +3,041,058 +53%
AVM
5
Arch Venture Management
Illinois
$7.29M
Fidelity Investments
6
Fidelity Investments
Massachusetts
$7.18M -$2.34K -2,735 -0%
6CM
7
683 Capital Management
New York
$6.31M +$1.01M +1,175,000 +20%
PAI
8
Palo Alto Investors
California
$5.68M
SCM
9
Silverarc Capital Management
Massachusetts
$5.58M +$451K +526,495 +9%
SB
10
Samsara BioCapital
California
$5.55M
MAM
11
Monaco Asset Management
Monaco
$4.86M +$1.3M +1,520,721 +39%
SL
12
Siren LLC
Connecticut
$4.71M -$6.92M -8,072,642 -61%
Acadian Asset Management
13
Acadian Asset Management
Massachusetts
$4.62M +$991K +1,156,511 +29%
EP
14
Eversept Partners
New York
$4.5M
HA
15
HHLR Advisors
Cayman Islands
$4.5M
OM
16
Opaleye Management
Massachusetts
$4.06M +$707K +824,990 +23%
Millennium Management
17
Millennium Management
New York
$3.24M +$392K +457,179 +15%
Corient Private Wealth
18
Corient Private Wealth
Florida
$3.07M
RSCM
19
Rock Springs Capital Management
Maryland
$2.96M
PIM
20
Platinum Investment Management
Australia
$2.88M -$295K -344,613 -10%
BlackRock
21
BlackRock
New York
$2.74M +$192K +223,567 +8%
Marshall Wace
22
Marshall Wace
United Kingdom
$2.28M -$814K -950,554 -27%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$2.04M +$32.6K +38,084 +2%
Deutsche Bank
24
Deutsche Bank
Germany
$1.92M
Renaissance Technologies
25
Renaissance Technologies
New York
$1.55M -$27.7K -32,302 -2%