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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 +114,526 +100%
NMC
2
NEA Management Company
Maryland
$16.4M – – –
Vanguard Group
3
Vanguard Group
Pennsylvania
$9.08M -$1.47M -21,503 -15%
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$7.97M +$2.61M +38,013 +53%
AVM
5
Arch Venture Management
Illinois
$7.29M – – –
Fidelity Investments
6
Fidelity Investments
Massachusetts
$7.18M -$2.33K -34 -0%
6CM
7
683 Capital Management
New York
$6.31M +$1.01M +14,688 +20%
PAI
8
Palo Alto Investors
California
$5.68M – – –
SCM
9
Silverarc Capital Management
Massachusetts
$5.58M +$451K +6,581 +9%
SB
10
Samsara BioCapital
California
$5.55M – – –
MAM
11
Monaco Asset Management
Monaco
$4.86M +$1.3M +19,009 +39%
SL
12
Siren LLC
Connecticut
$4.71M -$6.92M -100,908 -61%
Acadian Asset Management
13
Acadian Asset Management
Massachusetts
$4.62M +$991K +14,457 +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 +10,312 +23%
Millennium Management
17
Millennium Management
New York
$3.24M +$392K +5,715 +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 -4,307 -10%
BlackRock
21
BlackRock
New York
$2.74M +$192K +2,794 +8%
Marshall Wace
22
Marshall Wace
United Kingdom
$2.28M -$814K -11,882 -27%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$2.04M +$32.6K +476 +2%
Deutsche Bank
24
Deutsche Bank
Germany
$1.92M – – –
Renaissance Technologies
25
Renaissance Technologies
New York
$1.55M -$27.7K -404 -2%