Seres Therapeutics Inc

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Seres Therapeutics Inc
TickerMCRB
CIK #0001609809
CUSIP81750R102
SectorLife Sciences - Pharmaceutical Preparations
Address215 First Street Suite 440, Cambridge, MA 02142
Source [EDGAR]
CIK Filing 2011 - 2025
[0001609809] 10-K
[0001609809] 10-Q
[0001609809] 3
[0001609809] 4
[0001609809] 8-K
[0001609809] D
[0001609809] SC 13D
[0001609809] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Seres Therapeutics Inc [2024-01-29] 5.7
BlackRock Inc Seres Therapeutics Inc [2023-02-03] 5.2
Federated Hermes Inc Seres Therapeutics Inc [2022-02-14] 7.53
Janus Henderson Group PLC Seres Therapeutics Inc [2022-02-11] 5.5
Vanguard Group Inc Seres Therapeutics Inc [2022-02-10] 5.09
State Street Corp Seres Therapeutics Inc [2021-10-12] 10.91
RA Capital Management LP Seres Therapeutics Inc [2021-05-05] 5.1
BlackRock Inc Seres Therapeutics Inc [2020-02-07] 5.7
Sumitomo Mitsui Trust Holdings Inc Seres Therapeutics Inc [2019-09-09] 10.15
Nikko Asset Management Americas Inc Seres Therapeutics Inc [2019-09-06] 10.15
Flagship Venturelabs IV LLC Seres Therapeutics Inc [2019-06-28] 3.91
ARK Investment Management LLC Seres Therapeutics Inc [2019-02-14] 10.08
BlackRock Inc Seres Therapeutics Inc [2019-02-08] 5.5
Nestle Health Science US Holdings Inc Seres Therapeutics Inc [2018-04-11] 16.97
Flagship Ventures Fund 2007 LP Seres Therapeutics Inc [2016-02-16] 1.53
FMR LLC Seres Therapeutics Inc [2015-09-10] 0.0
Nestle Health Science US Holdings Inc Seres Therapeutics Inc [2015-07-06] 17.7
Form 3/4/5 Filer 2011 - 2025
DesRosier Thomas
Seres Therapeutics, Inc.
Young Teresa L.
Shaff Eric D.
Henn Matthew R
Rosiello Robert L.
Berenson Stephen
Ausiello Dennis A
Fraser Claire
Biondi Paul
Graves Kurt
Kender Richard N
Dere Willard H
von Moltke Lisa
Thorell Marella
Woerle Hans-Juergen
Nestle Sa
Societe des Produits Nestle S.A.
Ege David S.
Arkowitz David
Cloghessy Paula
Behar Gregory
Flagship Pioneering Fund VII General Partner LLC
Flagship Pioneering Fund VII, L.P.
Nutritional Health LTP Fund General Partner LLC
Afeyan Noubar
Nutritional Health LTP Fund, L.P.
Flagship Pioneering Inc.
Zausner Meryl
Chapman Marcus
Flagship Ventures Fund IV, L.P.
Flagship Ventures Fund IV General Partner LLC
Flagship Ventures Fund IV-Rx, L.P.
Flagship Pioneering Fund VI General Partner LLC
Flagship Pioneering Fund VI, L.P.
Aunins John G.
Kim Lorence H.
Pomerantz Roger
Horgan Kevin
Cook David N
Trucksis Michele
Hashad Wael
HUTT Peter Barton
Flagship Ventures Fund 2007, L.P.
Kania Edwin M Jr
Flagship VentureLabs IV, LLC
Flagship Ventures 2007 General Partner LLC
Nestle Health Science US Holdings, Inc.
NIMCO US, Inc.
Cautreels Werner
Form 13F Holdings
Firm Period DFND Voting Shares
Flagship Pioneering Inc [2025-06-30] DFND 0 1,155,850
Vanguard Group Inc [2025-06-30] SOLE 0 290,121
FMR LLC [2025-06-30] DFND 268,568 268,704
Susquehanna International Group LLP [2025-06-30] OTR 11,684 112,184
BlackRock, Inc. [2025-06-30] SOLE 101,177 101,351
Geode Capital Management LLC [2025-06-30] DFND 91,602 91,602
Marshall Wace LLP [2025-06-30] OTR 0 91,405
Vontobel Holding Ltd. [2025-06-30] DFND 80,325 80,325
Charles Schwab Investment Management Inc [2025-06-30] SOLE 34,876 34,876
State Street Corp [2025-06-30] DFND 26,831 26,831
XTX Topco Ltd [2025-06-30] DFND 22,417 22,417
Squarepoint Ops LLC [2025-06-30] DFND 0 20,908
Lion Point Capital LP [2025-06-30] SOLE 17,038 17,038
Wolverine Trading LLC [2025-06-30] DFND 0 15,700
Northern Trust Corp [2025-06-30] DFND 15,065 15,076
Tang Capital Management LLC [2025-06-30] OTR 0 13,921
Bridgeway Capital Management LLC [2025-06-30] SOLE 12,500 12,500
Citadel Advisors LLC [2025-06-30] DFND 10,720 10,720
Morgan Stanley [2025-06-30] DFND 1,684 7,838
UBS Group AG [2025-06-30] DFND 7,171 7,532
Royal Bank of Canada [2025-06-30] DFND 6,946 6,946
SBI Securities Co., Ltd. [2025-06-30] DFND 3,482 3,482
Vanguard Group Inc [2025-06-30] DFND 0 1,975
Group One Trading LLC [2025-06-30] SOLE 1,161 1,161
Atlantic Union Bankshares Corp [2025-06-30] SOLE 0 411
BNP Paribas Financial Markets [2025-06-30] DFND 0 305
Bank of America Corp /DE/ [2025-06-30] DFND 0 186
Osaic Holdings Inc [2025-06-30] DFND 0 160
Physician Wealth Advisors Inc [2025-06-30] SOLE 0 142
Tower Research Capital LLC (TRC) [2025-06-30] DFND 135 135
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