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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.

13F holders, Q1 2024

Institutional positions in Seres Therapeutics, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
99
−4 vs. Q4 2023
Shares held
85.8M
−3.74M (−4.2%) vs. Q4 2023
Total value
$66.3M
−$59.1M (−47.1%) vs. Q4 2023
New holders
21
28 more added
Sold out
25
28 more reduced

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MCRB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 99 institutions
Q1 2021: 154 institutionsQ2 2021: 147 institutionsQ3 2021: 133 institutionsQ4 2021: 148 institutionsQ1 2022: 131 institutionsQ2 2022: 123 institutionsQ3 2022: 120 institutionsQ4 2022: 124 institutionsQ1 2023: 123 institutionsQ2 2023: 138 institutionsQ3 2023: 134 institutionsQ4 2023: 103 institutionsQ1 2024: 99 institutionsQ2 2024: 93 institutionsQ3 2024: 77 institutionsQ4 2024: 69 institutionsQ1 2025: 63 institutionsQ2 2025: 33 institutionsQ3 2025: 32 institutionsQ4 2025: 36 institutionsQ1 2026: 33 institutionsQ2 2026: 35 institutions
Value heldQ1 2024: $66.3M
Q1 2021: $1.85BQ2 2021: $1.93BQ3 2021: $555.1MQ4 2021: $642.8MQ1 2022: $537.2MQ2 2022: $312.7MQ3 2022: $671.6MQ4 2022: $588.2MQ1 2023: $593.9MQ2 2023: $538.1MQ3 2023: $255.6MQ4 2023: $125.4MQ1 2024: $66.3MQ2 2024: $50.0MQ3 2024: $60.1MQ4 2024: $52.5MQ1 2025: $43.1MQ2 2025: $25.4MQ3 2025: $40.9MQ4 2025: $36.4MQ1 2026: $20.5MQ2 2026: $17.9M
Institutions holding MCRB and their total value by quarter
QuarterHoldersValue
Q2 202635$17.9M
Q1 202633$20.5M
Q4 202536$36.4M
Q3 202532$40.9M
Q2 202533$25.4M
Q1 202563$43.1M
Q4 202469$52.5M
Q3 202477$60.1M
Q2 202493$50.0M
Q1 202499$66.3M
Q4 2023103$125.4M
Q3 2023134$255.6M
Q2 2023138$538.1M
Q1 2023123$593.9M
Q4 2022124$588.2M
Q3 2022120$671.6M
Q2 2022123$312.7M
Q1 2022131$537.2M
Q4 2021148$642.8M
Q3 2021133$555.1M
Q2 2021147$1.93B
Q1 2021154$1.85B

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding MCRB in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Technologies LLC0$00.00%−817,000−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−640,655−100.0%Sold out
HRT Financial LP0$00.00%−393,760−100.0%Sold out
Knott David M Jr0$00.00%−370,730−100.0%Sold out
Two Sigma Investments, LP0$00.00%−349,588−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−324,209−100.0%Sold out
Squarepoint Ops LLC0$00.00%−114,000−100.0%Sold out
Acadian Asset Management LLC0$00.00%−100,812−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−71,523−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−60,749−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−55,011−100.0%Sold out
Edgewood Management LLC0$00.00%−50,000−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−43,163−100.0%Sold out
Walleye Capital LLC0$00.00%−39,948−100.0%Sold out
Point72 Middle East FZE0$00.00%−39,004−100.0%Sold out
Arete Wealth Advisors, LLC0$00.00%−24,700−100.0%Sold out
Quantbot Technologies LP0$00.00%−24,600−100.0%Sold out
Wexford Capital LP0$00.00%−20,440−100.0%Sold out
Manufacturers Life Insurance Company, The0$00.00%−18,639−100.0%Sold out
Creative Planning0$00.00%−15,304−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−10,016−100.0%Sold out
Macroview Investment Management LLC0$00.00%−5,750−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−2,856−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−3−100.0%Sold out