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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 2023

Institutional positions in Seres Therapeutics, Inc. as of Dec 31, 2023. 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
103
−31 vs. Q3 2023
Shares held
89.5M
−17.9M (−16.6%) vs. Q3 2023
Total value
$125.4M
−$130.2M (−50.9%) vs. Q3 2023
New holders
18
25 more added
Sold out
49
42 more reduced

Compare with Q3 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 holdersQ4 2023: 103 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 2023: $125.4M
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 2023

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q3 2023.

Institutions holding MCRB in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Farther Finance Advisors, LLC3$40.00%+3New
Sound Income Strategies, LLC175$2450.00%00.0%Unchanged
Larson Financial Group LLC235$3290.00%00.0%Unchanged
Kelly Financial Services LLC240$3360.00%00.0%Unchanged
Sandy Spring Bank345$4830.00%00.0%Unchanged
The PNC Financial Services Group, Inc.348$4870.00%−1,452−80.7%Reduced
Orion Capital Management LLC1,000$1.40K0.00%00.0%Unchanged
Citadel Advisors LLC1,083$1.52K0.00%−186,789−99.4%Reduced
Point72 Asia (Singapore) Pte. Ltd.2,856$4.00K0.00%+2,856New
Macroview Investment Management LLC5,750$8.05K0.01%00.0%Unchanged
Deutsche Bank AG6,203$8.68K0.00%−48,825−88.7%Reduced
Ameritas Investment Partners, Inc.8,033$11.2K0.00%00.0%Unchanged
UBS Group AG8,050$11.3K0.00%−158,087−95.2%Reduced
Diversified Trust Co10,000$14.0K0.00%00.0%Unchanged
Dark Forest Capital Management LP10,016$14.0K0.00%−107,482−91.5%Reduced
Amalgamated Bank11,122$16.0K0.00%−713−6.0%Reduced
PFG Investments, LLC11,500$16.1K0.00%−8,000−41.0%Reduced
Aries Wealth Management12,000$16.8K0.01%−6,000−33.3%Reduced
Victory Capital Management Inc13,135$18.4K0.00%+2,568+24.3%Added
Legal & General Group Plc14,489$20.3K0.00%−71,200−83.1%Reduced
Auour Investments LLC17,000$20.6K0.01%00.0%Unchanged
Creative Planning15,304$21.4K0.00%−3,359−18.0%Reduced
HighTower Advisors, LLC16,005$22.0K0.00%−5,000−23.8%Reduced
California State Teachers Retirement System16,011$22.4K0.00%−95,889−85.7%Reduced
ProShare Advisors LLC16,099$22.5K0.00%−4,918−23.4%Reduced
Vontobel Holding Ltd.17,000$23.8K0.00%00.0%Unchanged
Russell Investments Group, Ltd.18,300$25.6K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The18,639$26.1K0.00%−21,297−53.3%Reduced
Stifel Financial Corp20,000$28.0K0.00%+20,000New
Wexford Capital LP20,440$28.6K0.01%+20,440New
Kestra Advisory Services, LLC21,631$30.3K0.00%−2,000−8.5%Reduced
Quantbot Technologies LP24,600$34.4K0.00%−25,800−51.2%Reduced
Arete Wealth Advisors, LLC24,700$34.6K0.00%−200−0.8%Reduced
Clear Creek Financial Management, LLC26,950$37.7K0.01%−24,500−47.6%Reduced
AQR Capital Management LLC27,662$38.7K0.00%+12,631+84.0%Added
Wells Fargo & Company27,992$39.2K0.00%−165,292−85.5%Reduced
State Board of Administration of Florida Retirement System29,158$40.8K0.00%00.0%Unchanged
Royal Bank of Canada30,942$43.0K0.00%+17,340+127.5%Added
Tower Research Capital LLC (TRC)38,091$53.3K0.00%+33,135+668.6%Added
New York State Common Retirement Fund38,807$54.3K0.00%−298−0.8%Reduced
Point72 Middle East FZE39,004$54.6K0.00%+39,004New
Walleye Capital LLC39,948$55.9K0.00%−61,803−60.7%Reduced
Voya Investment Management LLC40,532$56.7K0.00%00.0%Unchanged
Ironwood Investment Management LLC40,593$56.8K0.03%−4,826−10.6%Reduced
Parallax Volatility Advisers, L.P.43,163$60.4K0.00%−30,356−41.3%Reduced
Simplex Trading, LLC45,311$63.0K0.00%−18,890−29.4%Reduced
American International Group, Inc.48,352$67.7K0.00%−194−0.4%Reduced
HarbourVest Partners LLC49,363$69.1K0.02%00.0%Unchanged
Edgewood Management LLC50,000$70.0K0.00%00.0%Unchanged
SG Americas Securities, LLC52,080$73.0K0.00%+52,080New
Balyasny Asset Management LLC55,011$77.0K0.00%+55,011New
Invesco Ltd.57,000$79.8K0.00%+13,642+31.5%Added
BNP Paribas Arbitrage, SA58,045$81.3K0.00%−190,458−76.6%Reduced
ExodusPoint Capital Management, LP60,749$85.0K0.00%−674,909−91.7%Reduced
Principal Financial Group Inc61,664$86.3K0.00%+7,721+14.3%Added
Tudor Investment Corp Et Al61,977$86.8K0.00%−25,176−28.9%Reduced
JPMorgan Chase & Co66,016$92.4K0.00%−77,640−54.0%Reduced
Group One Trading, L.P.71,259$99.8K0.00%+71,259New
Y-Intercept (Hong Kong) Ltd71,523$100.1K0.01%+71,523New
Janney Montgomery Scott LLC75,098$105.0K0.00%−9,787−11.5%Reduced
Citigroup Inc88,329$123.7K0.00%−396,493−81.8%Reduced
Acadian Asset Management LLC100,812$141.0K0.00%+100,812New
Squarepoint Ops LLC114,000$159.6K0.00%+114,000New
LPL Financial LLC115,530$161.7K0.00%−8,420−6.8%Reduced
Alliancebernstein L.P.127,660$178.7K0.00%00.0%Unchanged
Barclays PLC135,178$189.2K0.00%−326,031−70.7%Reduced
Rhumbline Advisers137,519$192.5K0.00%+952+0.7%Added
Graham Capital Management, L.P.161,308$225.8K0.01%−45,530−22.0%Reduced
D. E. Shaw & Co., Inc.168,518$235.9K0.00%+168,518New
Jane Street Group, LLC290,287$406.4K0.00%+260,887+887.4%Added
Pennant Investors, LP292,300$409.2K0.13%+292,300New
Jacobs Levy Equity Management, Inc324,209$453.9K0.00%+324,209New
Lion Point Capital, LP340,761$477.1K0.43%−351,042−50.7%Reduced
Sit Investment Associates Inc342,200$479.0K0.01%00.0%Unchanged
Bank of New York Mellon Corp344,323$482.1K0.00%+23,565+7.3%Added
Two Sigma Investments, LP349,588$489.4K0.00%+337,559+2,806.2%Added
Price T Rowe Associates Inc363,650$510.0K0.00%+31,789+9.6%Added
Knott David M Jr370,730$519.0K0.20%+300,730+429.6%Added
HRT Financial LP393,760$551.0K0.00%+393,760New
Advisor Group Holdings, Inc.400,493$560.6K0.00%+206,161+106.1%Added
XTX Topco Ltd402,506$563.5K0.12%+252,409+168.2%Added
Goldman Sachs Group Inc435,862$610.2K0.00%−265,001−37.8%Reduced
Qube Research & Technologies Ltd640,655$896.9K0.00%+475,113+287.0%Added
Charles Schwab Investment Management Inc676,387$946.9K0.00%−80,180−10.6%Reduced
Northern Trust Corp770,611$1.08M0.00%−152,050−16.5%Reduced
Renaissance Technologies LLC817,000$1.14M0.00%+817,000New
Morgan Stanley885,336$1.24M0.00%+515,938+139.7%Added
Handelsbanken Fonder AB1,100,000$1.54M0.01%+100,000+10.0%Added
Woodline Partners LP1,290,276$1.81M0.02%+1,090,276+545.1%Added
Susquehanna International Group, LLP1,411,050$1.98M0.00%+1,161,237+464.8%Added
Eversept Partners, LP1,753,538$2.45M0.24%−599,018−25.5%Reduced
Tang Capital Management LLC1,792,888$2.51M0.23%+1,792,888New
State Street Corp1,909,524$2.67M0.00%−7,626,366−80.0%Reduced
Geode Capital Management, LLC2,094,039$2.93M0.00%+106,480+5.4%Added
Point72 Asset Management, L.P.2,150,000$3.01M0.01%−599,100−21.8%Reduced
Millennium Management LLC2,224,075$3.11M0.00%+1,436,053+182.2%Added
Bank of America Corp2,362,449$3.31M0.00%+1,108,054+88.3%Added
Hudson Bay Capital Management LP4,320,400$6.05M0.05%+2,320,600+116.0%Added
Vanguard Group Inc6,005,307$8.41M0.00%+528,563+9.7%Added
BlackRock Inc.7,339,454$10.3M0.00%−582,474−7.4%Reduced