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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 +9,069,823 +295%
Vanguard Group
4
Vanguard Group
Pennsylvania
$14M +$1.45M +1,326,911 +13%
AVM
5
Arch Venture Management
Illinois
$9.91M
Fidelity Investments
6
Fidelity Investments
Massachusetts
$9M -$303K -277,655 -4%
Acadian Asset Management
7
Acadian Asset Management
Massachusetts
$8.79M +$859K +787,909 +12%
6CM
8
683 Capital Management
New York
$7.8M +$262K +240,000 +4%
SB
9
Samsara BioCapital
California
$7.54M
PAI
10
Palo Alto Investors
California
$7.06M -$587K -537,880 -9%
SL
11
Siren LLC
Connecticut
$6.41M
SCM
12
Silverarc Capital Management
Massachusetts
$6.33M -$1.28M -1,173,902 -19%
HA
13
HHLR Advisors
Cayman Islands
$6.12M
Geode Capital Management
14
Geode Capital Management
Massachusetts
$5.6M +$2.49M +2,282,632 +100%
Alyeska Investment Group
15
Alyeska Investment Group
Illinois
$5.48M +$322K +295,353 +7%
Corient Private Wealth
16
Corient Private Wealth
Florida
$4.54M +$330K +302,200 +9%
MAM
17
Monaco Asset Management
Monaco
$4.37M -$1.42M -1,299,134 -27%
OM
18
Opaleye Management
Massachusetts
$4.36M -$810K -742,415 -17%
RSCM
19
Rock Springs Capital Management
Maryland
$4.02M
Renaissance Technologies
20
Renaissance Technologies
New York
$3.36M +$1.27M +1,163,139 +74%
State Street
21
State Street
Massachusetts
$3.05M +$1.74M +1,598,730 +181%
Deutsche Bank
22
Deutsche Bank
Germany
$2.78M +$162K +148,710 +7%
Two Sigma Investments
23
Two Sigma Investments
New York
$2.15M +$512K +469,715 +37%
EP
24
Eversept Partners
New York
$2.09M -$2.4M -2,201,079 -56%
Two Sigma Advisers
25
Two Sigma Advisers
New York
$2.06M +$420K +385,000 +30%