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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, Q4 2022

Institutional positions in Seres Therapeutics, Inc. as of Dec 31, 2022. 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
124
+4 vs. Q3 2022
Shares held
105.1M
+343.2K (+0.3%) vs. Q3 2022
Total value
$588.2M
−$83.4M (−12.4%) vs. Q3 2022
New holders
21
42 more added
Sold out
17
36 more reduced

Compare with Q3 2022: 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 holdersQ4 2022: 124 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 heldQ4 2022: $588.2M
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, Q4 2022

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q3 2022.

Institutions holding MCRB in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Nuveen Asset Management, LLC304,387$1.71M0.00%−160,324−34.5%Reduced
Rafferty Asset Management, LLC317,511$1.78M0.01%+112,919+55.2%Added
Goldman Sachs Group Inc334,393$1.87M0.00%+68,862+25.9%Added
Bank of America Corp360,205$2.02M0.00%+123,364+52.1%Added
Silverarc Capital Management, LLC374,422$2.10M0.72%+7,929+2.2%Added
Renaissance Technologies LLC551,500$3.09M0.00%+12,600+2.3%Added
Lion Point Capital, LP596,803$3.11M1.86%−30,000−4.8%Reduced
Hudson Bay Capital Management LP580,000$3.25M0.04%+215,100+58.9%Added
Price T Rowe Associates Inc582,544$3.26M0.00%+9,553+1.7%Added
JPMorgan Chase & Co612,549$3.43M0.00%−97,824−13.8%Reduced
Charles Schwab Investment Management Inc636,898$3.57M0.00%+13,838+2.2%Added
Jennison Associates LLC668,441$3.74M0.00%+668,441New
Point72 Asset Management, L.P.699,600$3.92M0.01%−239,829−25.5%Reduced
Northern Trust Corp730,450$4.09M0.00%−4,031−0.5%Reduced
Kynam Capital Management, LP776,662$4.35M0.67%+3,842+0.5%Added
Geode Capital Management, LLC1,590,395$8.91M0.00%+83,901+5.6%Added
Eversept Partners, LP2,200,999$12.3M1.17%+265,174+13.7%Added
State Street Corp4,564,139$25.6M0.00%+832,618+22.3%Added
Vanguard Group Inc6,092,937$34.1M0.00%−517,919−7.8%Reduced
BlackRock Inc.6,458,974$36.2M0.00%+158,624+2.5%Added
Janus Henderson Group PLC11,248,292$63.0M0.05%+85,044+0.8%Added
Federated Hermes, Inc.18,085,938$101.3M0.28%−413,198−2.2%Reduced
FMR LLC18,688,761$104.7M0.01%+78,028+0.4%Added
Flagship Pioneering Inc.23,117,045$129.5M4.13%00.0%Unchanged
AQR Capital Management LLC0$00.00%−253,919−100.0%Sold out
Panagora Asset Management Inc0$00.00%−167,089−100.0%Sold out
Ikarian Capital, LLC0$00.00%−131,310−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−117,387−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−106,134−100.0%Sold out
STRS Ohio0$00.00%−93,700−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−70,085−100.0%Sold out
Alps Advisors Inc0$00.00%−67,770−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−52,988−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−45,986−100.0%Sold out
Caxton Associates LP0$00.00%−42,166−100.0%Sold out
Ensign Peak Advisors, Inc0$00.00%−30,780−100.0%Sold out
Algert Global LLC0$00.00%−21,642−100.0%Sold out
Raymond James & Associates0$00.00%−20,330−100.0%Sold out
Cipher Capital LP0$00.00%−15,271−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−13,937−100.0%Sold out
Macquarie Group Ltd0$00.00%0Sold out