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Seres Therapeutics, Inc.

MCRB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001609809

In the last 90 days, Seres Therapeutics, Inc. insiders filed 0 open-market purchases and 4 sales; 35 institutions reported holding it in 13F filings for Q2 2026, worth $17.9M in total; no superinvestor holds it.

Q3 2021 vs. Q2 2021

How the institutions holding Seres Therapeutics, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of MCRB: Q2 2021 compared with Q3 2021
MeasureQ2 2021Q3 2021Change
Holders147133−14
Shares86.4M79.6M−6.78M (−7.9%)
Value$1.93B$555.1M−$1.37B (−71.2%)

New holders (29)

Institutions that held Seres Therapeutics, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to MCRB in Q3 2021
InstitutionSharesValue% of portfolio
Voloridge Investment Management, LLC809,381$5.63M0.04%
Ikarian Capital, LLC606,554$4.22M0.97%
Lion Point Capital, LP481,803$3.35M0.89%
Hudson Bay Capital Management LP470,000$3.27M0.05%
PDT Partners, LLC308,024$2.14M0.15%
AXA S.A.281,300$1.96M0.01%
Marshall Wace, LLP231,950$1.61M0.01%
Walleye Capital LLC217,662$1.51M0.05%
Gsa Capital Partners LLP200,028$1.39M0.14%
AlphaCentric Advisors LLC165,500$1.15M0.29%
LMR Partners LLP145,100$1.01M0.01%
Marshall Wace North America L.P.85,755$598.0K0.00%
First Trust Advisors LP68,940$480.0K0.00%
Los Angeles Capital Management LLC66,762$465.0K0.00%
Occudo Quantitative Strategies LP63,919$445.0K0.05%
Boothbay Fund Management, LLC61,097$425.0K0.02%
HAP Trading, LLC40,044$279.0K0.02%
E Fund Management Co., Ltd.27,492$191.0K0.01%
Janney Montgomery Scott LLC26,700$186.0K0.00%
XTX Topco Ltd24,563$171.0K0.06%
Engineers Gate Manager LP21,500$150.0K0.01%
Algert Global LLC17,858$124.0K0.02%
Trexquant Investment LP17,742$123.0K0.01%
Quantamental Technologies LLC17,337$121.0K0.08%
Cowen and Company, LLC12,490$87.0K0.00%
Teacher Retirement System of Texas11,026$77.0K0.00%
Meeder Asset Management Inc1,403$9.00K0.00%
Quadrant Capital Group LLC87$1.00K0.00%
Bell Investment Advisors, Inc36$00.00%

Sold out (43)

Institutions that held Seres Therapeutics, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of MCRB in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
ARK Investment Management LLCSuperinvestorARK Invest9,713,160$231.7M
Lord, Abbett & Co. LLC874,124$20.8M
Opaleye Management Inc.250,000$5.96M
Artal Group S.A.200,000$4.77M
Commodore Capital LP145,453$3.47M
Schonfeld Strategic Advisors LLC106,602$2.54M
Altium Capital Management LP104,626$2.50M
Schroder Investment Management Group98,432$2.35M
Ra Capital Management, L.P.5,105,547$1.90M
Integral Health Asset Management, LLC75,000$1.79M
Allianz Asset Management GmbH73,457$1.75M
Asymmetry Capital Management, L.P.63,259$1.51M
Eversept Partners, LP59,560$1.42M
Jump Financial, LLC47,563$1.13M
HighVista Strategies LLC44,750$1.07M
CSS LLC44,240$1.05M
AtonRa Partners35,354$843.0K
Pura Vida Investments, LLC30,000$716.0K
Blueshift Asset Management, LLC22,724$542.0K
Belvedere Trading LLC23,532$488.0K
Cresset Asset Management, LLC20,243$483.0K
American Portfolios Advisors17,307$412.8K
Victory Capital Management Inc15,797$377.0K
Squarepoint Ops LLC14,358$342.0K
Stifel Financial Corp14,163$338.0K
Vontobel Holding Ltd.13,774$329.0K
Envestnet Asset Management Inc13,463$321.0K
Raymond James & Associates13,203$315.0K
Wolverine Trading, LLC12,340$295.0K
Y-Intercept (Hong Kong) Ltd11,484$274.0K
FDx Advisors, Inc.9,828$234.0K
Point72 Hong Kong Ltd5,042$120.0K
FORA Capital, LLC3,935$94.0K
O'Shaughnessy Asset Management, LLC1,910$46.0K
First Horizon Advisors, Inc.972$22.0K
Benjamin Edwards Inc679$16.0K
NEXT Financial Group, Inc564$13.0K
Rockefeller Capital Management L.P.527$12.0K
Steward Partners Investment Advisory, LLC400$10.0K
Ellis Investment Partners, LLC275$6.00K
TCI Wealth Advisors, Inc.136$3.00K
TD Private Client Wealth LLC38$906
The PNC Financial Services Group, Inc.6$0