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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, Q2 2021

Institutional positions in Seres Therapeutics, Inc. as of Jun 30, 2021. 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
147
−7 vs. Q1 2021
Shares held
86.4M
−3.60M (−4.0%) vs. Q1 2021
Total value
$1.93B
+$74.2M (+4.0%) vs. Q1 2021
New holders
21
59 more added
Sold out
28
45 more reduced

Compare with Q1 2021: 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 holdersQ2 2021: 147 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 heldQ2 2021: $1.93B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q1 2021.

Institutions holding MCRB in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Envestnet Asset Management Inc13,463$321.0K0.00%+714+5.6%Added
Raymond James & Associates13,203$315.0K0.00%+13,203New
Amalgamated Bank13,143$313.0K0.00%+13,143New
TD Asset Management Inc41,725$296.0K0.00%00.0%Unchanged
Wolverine Trading, LLC12,340$295.0K0.01%−8,929−42.0%Reduced
Y-Intercept (Hong Kong) Ltd11,484$274.0K0.07%+11,484New
Public Employees Retirement Association of Colorado11,210$267.0K0.00%00.0%Unchanged
Walleye Trading LLC11,105$265.0K0.01%+11,105New
Virtus ETF Advisers LLC10,827$258.0K0.11%−1,268−10.5%Reduced
Tower Research Capital LLC (TRC)9,779$234.0K0.01%−53,454−84.5%Reduced
FDx Advisors, Inc.9,828$234.0K0.01%−3,699−27.3%Reduced
UBS Group AG7,978$190.0K0.00%−220−2.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)6,893$164.0K0.00%−1,757−20.3%Reduced
KBC Group NV5,640$135.0K0.00%+4,900+662.2%Added
Ameritas Investment Partners, Inc.5,457$130.0K0.00%+933+20.6%Added
Point72 Hong Kong Ltd5,042$120.0K0.01%+688+15.8%Added
Royal Bank of Canada4,765$114.0K0.00%+2,261+90.3%Added
Great West Life Assurance Co4,213$100.0K0.00%00.0%Unchanged
FORA Capital, LLC3,935$94.0K0.02%+3,935New
Nisa Investment Advisors, LLC3,890$93.0K0.00%+3,300+559.3%Added
Cutler Group LP3,200$76.0K0.01%+2,300+255.6%Added
BNP Paribas Arbitrage, SA2,621$62.5K0.00%−4,195−61.5%Reduced
Macquarie Group Ltd2,320$55.0K0.00%+10.0%Added
Penserra Capital Management LLC2,085$49.0K0.00%+25+1.2%Added
O'Shaughnessy Asset Management, LLC1,910$46.0K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.1,577$38.0K0.00%+16+1.0%Added
Orion Capital Management LLC1,000$24.0K0.01%00.0%Unchanged
First Horizon Advisors, Inc.972$22.0K0.00%+316+48.2%Added
Benjamin Edwards Inc679$16.0K0.01%−223−24.7%Reduced
NEXT Financial Group, Inc564$13.0K0.00%00.0%Unchanged
Evolution Wealth Advisors, LLC529$13.0K0.00%+54+11.4%Added
Rockefeller Capital Management L.P.527$12.0K0.00%+168+46.8%Added
Captrust Financial Advisors516$12.0K0.00%+347+205.3%Added
Steward Partners Investment Advisory, LLC400$10.0K0.00%−1,000−71.4%Reduced
Massmutual Trust Co FSB349$8.00K0.00%00.0%Unchanged
Ellis Investment Partners, LLC275$6.00K0.00%00.0%Unchanged
Berman Capital Advisors, LLC244$5.00K0.00%00.0%Unchanged
Concord Wealth Partners178$4.00K0.00%−400−69.2%Reduced
Daiwa Securities Group Inc.172$4.00K0.00%00.0%Unchanged
Bessemer Group Inc139$3.00K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.136$3.00K0.00%+44+47.8%Added
Sandy Spring Bank73$2.00K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.55$1.00K0.00%00.0%Unchanged
US Bancorp31$1.00K0.00%+31New
TD Private Client Wealth LLC38$9060.00%+38New
Kelly Financial Services LLC5,724$2400.01%+5,484+2,285.0%Added
The PNC Financial Services Group, Inc.6$00.00%00.0%Unchanged
Point72 Asset Management, L.P.0$00.00%−974,671−100.0%Sold out
Fairmount Funds Management LLC0$00.00%−353,016−100.0%Sold out
Ikarian Capital, LLC0$00.00%−350,000−100.0%Sold out
Renaissance Technologies LLC0$00.00%−129,200−100.0%Sold out
California Public Employees Retirement System0$00.00%−104,780−100.0%Sold out
Panagora Asset Management Inc0$00.00%−52,930−100.0%Sold out
Seven Eight Capital, LP0$00.00%−40,900−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−41,610−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−40,795−100.0%Sold out
Virtu Financial LLC0$00.00%−23,344−100.0%Sold out
Man Group plc0$00.00%−20,138−100.0%Sold out
SG3 Management, LLC0$00.00%−20,000−100.0%Sold out
Paloma Partners Management Co0$00.00%−19,819−100.0%Sold out
Engineers Gate Manager LP0$00.00%−19,400−100.0%Sold out
Interchange Capital Partners, LLC0$00.00%−16,820−100.0%Sold out
Trexquant Investment LP0$00.00%−13,739−100.0%Sold out
Phoenix Wealth Advisors0$00.00%−9,387−100.0%Sold out
Pacer Advisors, Inc.0$00.00%−3,643−100.0%Sold out
Bank of Montreal0$00.00%−2,503−100.0%Sold out
Quantbot Technologies LP0$00.00%−2,100−100.0%Sold out
Meeder Asset Management Inc0$00.00%−1,288−100.0%Sold out
Manchester Financial Inc0$00.00%−1,000−100.0%Sold out
HM Payson & Co0$00.00%−780−100.0%Sold out
Wealthcare Advisory Partners LLC0$00.00%−550−100.0%Sold out
Sowell Financial Services LLC0$00.00%−458−100.0%Sold out
Valeo Financial Advisors, LLC0$00.00%−231−100.0%Sold out
Spire Wealth Management0$00.00%−150−100.0%Sold out
Ellevest, Inc.0$00.00%−9−100.0%Sold out