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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, Q3 2022

Institutional positions in Seres Therapeutics, Inc. as of Sep 30, 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
120
−3 vs. Q2 2022
Shares held
104.7M
+13.8M (+15.2%) vs. Q2 2022
Total value
$671.6M
+$359.0M (+114.8%) vs. Q2 2022
New holders
21
51 more added
Sold out
24
29 more reduced

Compare with Q2 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 holdersQ3 2022: 120 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 heldQ3 2022: $671.6M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q2 2022.

Institutions holding MCRB in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Flagship Pioneering Inc.23,117,045$148.4M6.25%+8,738,243+60.8%Added
FMR LLC18,610,733$119.5M0.01%+9,521+0.1%Added
Federated Hermes, Inc.18,499,136$118.8M0.35%+516,880+2.9%Added
Janus Henderson Group PLC11,163,248$71.7M0.05%+5,792,839+107.9%Added
Vanguard Group Inc6,610,856$42.4M0.00%+1,280,039+24.0%Added
BlackRock Inc.6,300,350$40.5M0.00%+539,617+9.4%Added
State Street Corp3,731,521$24.0M0.00%+2,267,176+154.8%Added
Eversept Partners, LP1,935,825$12.4M1.47%+1,935,825New
Geode Capital Management, LLC1,506,494$9.67M0.00%+287,746+23.6%Added
Point72 Asset Management, L.P.939,429$6.03M0.03%+604,429+180.4%Added
Kynam Capital Management, LP772,820$4.96M1.05%+514,173+198.8%Added
Northern Trust Corp734,481$4.71M0.00%+57,673+8.5%Added
JPMorgan Chase & Co710,373$4.56M0.00%−70,471−9.0%Reduced
Charles Schwab Investment Management Inc623,060$4.00M0.00%+151,672+32.2%Added
Price T Rowe Associates Inc572,991$3.68M0.00%+4,282+0.8%Added
Invesco Ltd.569,597$3.66M0.00%+538,849+1,752.5%Added
Renaissance Technologies LLC538,900$3.46M0.00%−337,507−38.5%Reduced
Lion Point Capital, LP626,803$3.23M1.31%+145,000+30.1%Added
Nuveen Asset Management, LLC464,711$2.98M0.00%+259,849+126.8%Added
Silverarc Capital Management, LLC366,493$2.35M1.00%+18,732+5.4%Added
Hudson Bay Capital Management LP364,900$2.34M0.02%−357,200−49.5%Reduced
Goldman Sachs Group Inc265,531$1.71M0.00%−206,017−43.7%Reduced
AQR Capital Management LLC253,919$1.63M0.00%−97,393−27.7%Reduced
Bank of New York Mellon Corp246,805$1.58M0.00%+33,809+15.9%Added
Bank of America Corp236,841$1.52M0.00%+148,473+168.0%Added
Swiss National Bank232,800$1.50M0.00%+81,400+53.8%Added
Rafferty Asset Management, LLC204,592$1.31M0.01%+204,592New
Sit Investment Associates Inc199,000$1.28M0.04%00.0%Unchanged
State of Wisconsin Investment Board195,871$1.26M0.00%+29,867+18.0%Added
Citigroup Inc190,754$1.23M0.00%+181,391+1,937.3%Added
Panagora Asset Management Inc167,089$1.07M0.01%+12,551+8.1%Added
Susquehanna International Group, LLP158,355$1.02M0.00%+9,927+6.7%Added
Barclays PLC157,575$1.01M0.00%+119,087+309.4%Added
Prudential Financial Inc140,450$901.0K0.00%+100,900+255.1%Added
Harvard Management Co Inc131,847$846.0K0.11%00.0%Unchanged
Ikarian Capital, LLC131,310$843.0K0.42%−409,314−75.7%Reduced
Morgan Stanley119,375$765.0K0.00%−105,261−46.9%Reduced
ClariVest Asset Management LLC117,387$753.0K0.04%+117,387New
Credit Suisse AG116,619$749.0K0.00%+26,260+29.1%Added
Two Sigma Advisers, LP114,000$732.0K0.00%−166,700−59.4%Reduced
California State Teachers Retirement System113,150$726.0K0.00%+29,206+34.8%Added
Knott David M Jr110,000$706.0K0.33%+110,000New
Atom Investors LP108,820$699.0K0.25%−83,138−43.3%Reduced
Graham Capital Management, L.P.106,134$681.0K0.03%−142,399−57.3%Reduced
Alliancebernstein L.P.104,100$668.0K0.00%+11,200+12.1%Added
LPL Financial LLC101,103$649.0K0.00%−2,100−2.0%Reduced
Edgewood Management LLC100,000$642.0K0.00%+100,000New
STRS Ohio93,700$601.0K0.00%−86,100−47.9%Reduced
BNP Paribas Arbitrage, SA90,854$583.3K0.00%+75,071+475.6%Added
Rhumbline Advisers87,924$564.0K0.00%+9,459+12.1%Added
Janney Montgomery Scott LLC84,800$544.0K0.00%+2,000+2.4%Added
UBS Asset Management Americas Inc82,363$528.8K0.00%−17,709−17.7%Reduced
Los Angeles Capital Management LLC80,650$518.0K0.00%−24,767−23.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.70,085$450.0K0.00%+17,079+32.2%Added
Alps Advisors Inc67,770$435.0K0.00%+13,056+23.9%Added
Hennion & Walsh Asset Management, Inc.55,194$354.0K0.02%−765−1.4%Reduced
Mirae Asset Global Investments Co., Ltd.53,199$342.0K0.00%+53,199New
Susquehanna Fundamental Investments, LLC52,988$340.0K0.01%+52,988New
HarbourVest Partners LLC49,363$317.0K0.10%00.0%Unchanged
New York State Common Retirement Fund49,106$315.0K0.00%+113+0.2%Added
Parallax Volatility Advisers, L.P.45,986$295.0K0.01%−54,014−54.0%Reduced
Caxton Associates LP42,166$271.0K0.05%−37,073−46.8%Reduced
Legal & General Group Plc39,174$252.0K0.00%+9,850+33.6%Added
Virtus ETF Advisers LLC38,694$248.0K0.10%+287+0.7%Added
MetLife Investment Management38,577$247.7K0.00%+26,753+226.3%Added
UBS Group AG35,773$229.0K0.00%+32,151+887.7%Added
Dimensional Fund Advisors LP35,488$228.0K0.00%−507,267−93.5%Reduced
Citadel Advisors LLC33,588$216.0K0.00%−130,503−79.5%Reduced
American International Group, Inc.33,451$215.0K0.00%+473+1.4%Added
Teacher Retirement System of Texas32,440$208.0K0.00%+21,438+194.9%Added
Deutsche Bank AG31,477$202.0K0.00%−8,537−21.3%Reduced
Manufacturers Life Insurance Company, The31,314$201.0K0.00%−1,178−3.6%Reduced
Ensign Peak Advisors, Inc30,780$198.0K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System29,008$186.0K0.00%00.0%Unchanged
Voya Investment Management LLC27,589$177.1K0.00%00.0%Unchanged
Arizona State Retirement System26,952$173.0K0.00%+9,529+54.7%Added
Algert Global LLC21,642$139.0K0.01%−17,254−44.4%Reduced
Principal Financial Group Inc20,882$134.0K0.00%−361−1.7%Reduced
Raymond James & Associates20,330$131.0K0.00%+1,440+7.6%Added
Russell Investments Group, Ltd.18,300$117.0K0.00%−46,997−72.0%Reduced
ProShare Advisors LLC18,204$117.0K0.00%+3,107+20.6%Added
Ironwood Investment Management LLC16,278$105.0K0.07%+40+0.2%Added
SG Americas Securities, LLC15,916$102.0K0.00%+15,916New
Balyasny Asset Management LLC15,271$98.0K0.00%+15,271New
Cipher Capital LP15,271$98.0K0.02%+15,271New
E Fund Management Co., Ltd.14,070$90.0K0.01%+14,070New
Boothbay Fund Management, LLC13,937$89.0K0.00%−48,783−77.8%Reduced
Aries Wealth Management10,000$89.0K0.04%+10,000New
HighTower Advisors, LLC13,000$83.0K0.00%+13,000New
Group One Trading, L.P.12,812$82.0K0.00%−6,211−32.6%Reduced
Gyon Technologies Capital Management, LP12,745$82.0K0.03%+12,745New
Landscape Capital Management, L.L.C.12,613$81.0K0.01%+12,613New
Clearwater Capital Advisors, LLC12,364$79.0K0.01%00.0%Unchanged
Apollon Wealth Management, LLC11,393$73.0K0.01%+11,393New
XTX Topco Ltd11,336$73.0K0.02%+11,336New
Public Employees Retirement Association of Colorado11,210$72.0K0.00%00.0%Unchanged
Amalgamated Bank11,244$72.0K0.00%+179+1.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)10,668$68.0K0.00%00.0%Unchanged
Victory Capital Management Inc10,565$68.0K0.00%+10,565New
Tower Research Capital LLC (TRC)7,892$50.0K0.00%+520+7.1%Added