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Seres Therapeutics
MCRB

Name Holding Trade Value Shares
Change 		Change in
Stake
FVFIGP
1
Flagship Ventures Fund IV General Partner
Massachusetts
$368M +$372M +634,144 New
Fidelity Investments
2
Fidelity Investments
Massachusetts
$172M +$1.46M +2,496 +0.8%
Federated Hermes
3
Federated Hermes
Pennsylvania
$57.8M +$27.9M +47,630 +92%
Vanguard Group
4
Vanguard Group
Pennsylvania
$34.2M +$6.75M +11,498 +24%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$33.3M +$5.77M +9,837 +21%
BFA
6
BlackRock Fund Advisors
California
$26.9M +$6.19M +10,548 +29%
WRF
7
Waddell & Reed Financial
Kansas
$21.3M +$4.38M +7,458 +25%
Jennison Associates
8
Jennison Associates
New York
$19.5M +$7.9M +13,469 +67%
BM
9
Bridger Management
New York
$18.1M -$2.55M -4,351 -12%
TCM
10
TimesSquare Capital Management
New York
$14.3M -$67.5K -115 -0.5%
AllianceBernstein
11
AllianceBernstein
Tennessee
$12.1M -$348K -593 -3%
CCI
12
Columbus Circle Investors
$10.7M +$10.8M +18,375 New
Capital World Investors
13
Capital World Investors
California
$10.2M – – –
AG
14
Artal Group
Luxembourg
$9.01M +$2.49M +4,250 +38%
BIT
15
BlackRock Institutional Trust
California
$8.1M +$2.58M +4,396 +46%
RSCM
16
Rock Springs Capital Management
Maryland
$7.61M – – –
State Street
17
State Street
Massachusetts
$7.41M +$4.08M +6,957 +120%
CAM
18
Cormorant Asset Management
Massachusetts
$7.35M +$89.8K +153 +1%
JP Morgan Chase
19
JP Morgan Chase
New York
$6.18M +$286K +488 +5%
Massachusetts Financial Services
20
Massachusetts Financial Services
Massachusetts
$5.51M +$1.5M +2,558 +37%
Northern Trust
21
Northern Trust
Illinois
$5.22M +$2.59M +4,417 +97%
EAM
22
Eventide Asset Management
Massachusetts
$5.18M – – –
CC
23
CQS Cayman
Cayman Islands
$4.71M +$4.75M +8,100 New
UBS AM
24
UBS AM
Illinois
$4.19M +$1.64M +2,788 +63%
PCM
25
Portolan Capital Management
Massachusetts
$3.89M +$428K +730 +12%
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