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Seres Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
FVFIGP
1
Flagship Ventures Fund IV General Partner
Massachusetts
$494M +$463M +704,179 New
Fidelity Investments
2
Fidelity Investments
Massachusetts
$206M +$454K +691 +0.2%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$33.7M +$86.8K +132 +0.3%
Federated Hermes
4
Federated Hermes
Pennsylvania
$24.4M +$4.04M +6,149 +22%
BFA
5
BlackRock Fund Advisors
California
$23.2M +$15M +22,866 +223%
FV2GP
6
Flagship Ventures 2007 General Partner
Massachusetts
$21M
WRF
7
Waddell & Reed Financial
Kansas
$20.5M +$3.33M +5,060 +21%
Vanguard Group
8
Vanguard Group
Pennsylvania
$19.1M +$2.12M +3,230 +13%
TCM
9
TimesSquare Capital Management
New York
$17.5M +$1.81M +2,750 +12%
Jennison Associates
10
Jennison Associates
New York
$14M +$239K +363 +2%
BM
11
Bridger Management
New York
$13.4M +$5.91M +8,993 +89%
AllianceBernstein
12
AllianceBernstein
Tennessee
$13.3M +$12.4M +18,907 New
Capital World Investors
13
Capital World Investors
California
$12.4M +$2.14M +3,250 +23%
BA
14
BlackRock Advisors
Delaware
$12M +$80.8K +123 +0.7%
CAM
15
Cormorant Asset Management
Massachusetts
$8.77M
RSCM
16
Rock Springs Capital Management
Maryland
$8.61M +$2.15M +3,270 +36%
JP Morgan Chase
17
JP Morgan Chase
New York
$7.12M +$4.42M +6,722 +196%
BG
18
BlackRock Group
United Kingdom
$6.89M +$115K +175 +2%
BIT
19
BlackRock Institutional Trust
California
$6.74M +$1.09M +1,657 +21%
EAM
20
Eventide Asset Management
Massachusetts
$6.25M +$2.32M +3,533 +66%
Millennium Management
21
Millennium Management
New York
$6.16M +$2.37M +3,612 +70%
AG
22
Artal Group
Luxembourg
$6.14M -$822K -1,250 -13%
O
23
OrbiMed
New York
$5.85M -$2.63M -4,000 -32%
Massachusetts Financial Services
24
Massachusetts Financial Services
Massachusetts
$4.8M +$1.18M +1,788 +35%
BBA
25
Baker Bros. Advisors
New York
$4.39M