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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.

Q1 2022 vs. Q4 2021

How the institutions holding Seres Therapeutics, Inc. changed between Q4 2021 and Q1 2022.

All holders in Q1 2022All holders in Q4 2021

13F holders of MCRB: Q4 2021 compared with Q1 2022
MeasureQ4 2021Of which not filed for Q1 2022Q1 2022Change
Holders1481131−16
Shares77.2M3675.5M−1.72M (−2.2%)
Value$642.8M$0$537.2M−$105.6M (−16.4%)

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (7)

Institutions that held Seres Therapeutics, Inc. at the end of Q1 2022 but not at the end of Q4 2021.

Institutions new to MCRB in Q1 2022
InstitutionSharesValue% of portfolio
Dimensional Fund Advisors LP468,311$3.33M0.00%
Amalgamated Financial Corp.11,332$81.0K0.00%
Blueshift Asset Management, LLC10,294$73.0K0.01%
Allspring Global Investments Holdings, LLC7,346$52.0K0.00%
Kayne Anderson Rudnick Investment Management LLC247$2.00K0.00%
CWM, LLC225$2.00K0.00%
Capital Advisors, Ltd. LLC11$00.00%

Sold out (23)

Institutions that held Seres Therapeutics, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.

Not filed for Q1 2022 yet (1)

Institutions that held Seres Therapeutics, Inc. at the end of Q4 2021 and haven't filed a 13F for Q1 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MCRB in Q4 2021 that haven't filed for Q1 2022
InstitutionShares, Q4 2021Value, Q4 2021
Bell Investment Advisors, Inc36$0