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 2023
Institutional positions in Seres Therapeutics, Inc. as of Jun 30, 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
- 138
- +15 vs. Q1 2023
- Shares held
- 112.3M
- +7.57M (+7.2%) vs. Q1 2023
- Total value
- $538.1M
- −$55.9M (−9.4%) vs. Q1 2023
- New holders
- 36
- 59 more added
- Sold out
- 21
- 25 more reduced
Compare with Q1 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 35 | $17.9M |
| Q1 2026 | 33 | $20.5M |
| Q4 2025 | 36 | $36.4M |
| Q3 2025 | 32 | $40.9M |
| Q2 2025 | 33 | $25.4M |
| Q1 2025 | 63 | $43.1M |
| Q4 2024 | 69 | $52.5M |
| Q3 2024 | 77 | $60.1M |
| Q2 2024 | 93 | $50.0M |
| Q1 2024 | 99 | $66.3M |
| Q4 2023 | 103 | $125.4M |
| Q3 2023 | 134 | $255.6M |
| Q2 2023 | 138 | $538.1M |
| Q1 2023 | 123 | $593.9M |
| Q4 2022 | 124 | $588.2M |
| Q3 2022 | 120 | $671.6M |
| Q2 2022 | 123 | $312.7M |
| Q1 2022 | 131 | $537.2M |
| Q4 2021 | 148 | $642.8M |
| Q3 2021 | 133 | $555.1M |
| Q2 2021 | 147 | $1.93B |
| Q1 2021 | 154 | $1.85B |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Flagship Pioneering Inc. | 23,117,045 | $110.7M | 4.94% | 00.0% | Unchanged |
| FMR LLC | 19,185,208 | $91.9M | 0.01% | +273,750+1.4% | Added |
| Federated Hermes, Inc. | 11,394,801 | $54.6M | 0.14% | −3,882,555−25.4% | Reduced |
| State Street Corp | 8,564,935 | $41.0M | 0.00% | +4,796,626+127.3% | Added |
| BlackRock Inc. | 7,481,227 | $35.8M | 0.00% | +1,232,141+19.7% | Added |
| Janus Henderson Group PLC | 6,072,942 | $29.1M | 0.02% | −5,227,873−46.3% | Reduced |
| Vanguard Group Inc | 5,357,183 | $25.7M | 0.00% | −495,953−8.5% | Reduced |
| Eversept Partners, LP | 3,076,756 | $14.7M | 1.56% | +540,091+21.3% | Added |
| Avoro Capital Advisors LLC | 2,500,000 | $12.0M | 0.16% | +1,205,000+93.1% | Added |
| Soleus Capital Management, L.P. | 2,045,983 | $9.80M | 1.09% | +2,045,983 | New |
| Geode Capital Management, LLC | 1,961,358 | $9.39M | 0.00% | +325,849+19.9% | Added |
| Millennium Management LLC | 1,759,914 | $8.43M | 0.01% | +1,351,434+330.8% | Added |
| Jennison Associates LLC | 1,392,356 | $6.67M | 0.01% | +727,622+109.5% | Added |
| Bank of America Corp | 1,193,896 | $5.72M | 0.00% | +786,699+193.2% | Added |
| Point72 Asset Management, L.P. | 1,020,400 | $4.89M | 0.02% | +727,600+248.5% | Added |
| Handelsbanken Fonder AB | 1,000,000 | $4.79M | 0.03% | +200,000+25.0% | Added |
| Great Point Partners LLC | 938,067 | $4.49M | 0.90% | +938,067 | New |
| Northern Trust Corp | 925,163 | $4.43M | 0.00% | +184,489+24.9% | Added |
| Hudson Bay Capital Management LP | 880,000 | $4.22M | 0.04% | +355,000+67.6% | Added |
| Rafferty Asset Management, LLC | 773,387 | $3.70M | 0.02% | +534,100+223.2% | Added |
| Charles Schwab Investment Management Inc | 714,269 | $3.42M | 0.00% | +80,400+12.7% | Added |
| Lion Point Capital, LP | 691,803 | $3.31M | 2.46% | +95,000+15.9% | Added |
| Goldman Sachs Group Inc | 656,794 | $3.15M | 0.00% | +336,046+104.8% | Added |
| ExodusPoint Capital Management, LP | 594,895 | $2.85M | 0.03% | +594,895 | New |
| Simplify Asset Management Inc. | 550,626 | $2.64M | 0.48% | 00.0% | Unchanged |
| Knott David M Jr | 470,000 | $2.25M | 0.95% | +155,000+49.2% | Added |
| Morgan Stanley | 461,170 | $2.21M | 0.00% | +266,954+137.5% | Added |
| Barclays PLC | 370,905 | $1.78M | 0.00% | +260,845+237.0% | Added |
| Bank of New York Mellon Corp | 323,007 | $1.55M | 0.00% | +72,538+29.0% | Added |
| Price T Rowe Associates Inc | 314,427 | $1.51M | 0.00% | −269,645−46.2% | Reduced |
| Nuveen Asset Management, LLC | 280,935 | $1.35M | 0.00% | −88,760−24.0% | Reduced |
| Sit Investment Associates Inc | 262,325 | $1.26M | 0.03% | 00.0% | Unchanged |
| Citigroup Inc | 255,106 | $1.22M | 0.00% | +59,884+30.7% | Added |
| Susquehanna International Group, LLP | 254,339 | $1.22M | 0.00% | −40,107−13.6% | Reduced |
| Woodline Partners LP | 243,595 | $1.17M | 0.01% | +243,595 | New |
| Schonfeld Strategic Advisors LLC | 222,257 | $1.06M | 0.01% | +222,257 | New |
| Swiss National Bank | 219,600 | $1.05M | 0.00% | +4,500+2.1% | Added |
| Prudential Financial Inc | 206,145 | $987.4K | 0.00% | +206,145 | New |
| Advisor Group Holdings, Inc. | 189,181 | $906.1K | 0.00% | +188,139+18,055.6% | Added |
| Wells Fargo & Company | 171,808 | $823.0K | 0.00% | +116,885+212.8% | Added |
| Credit Suisse AG | 170,782 | $818.0K | 0.00% | +47,992+39.1% | Added |
| BNP Paribas Arbitrage, SA | 154,663 | $740.8K | 0.00% | +59,124+61.9% | Added |
| JPMorgan Chase & Co | 139,999 | $670.6K | 0.00% | −484,022−77.6% | Reduced |
| Profund Advisors LLC | 139,249 | $667.0K | 0.04% | +94,390+210.4% | Added |
| Alpha DNA Investment Management LLC | 138,536 | $663.6K | 0.38% | +138,536 | New |
| Parallax Volatility Advisers, L.P. | 134,901 | $646.2K | 0.02% | +134,901 | New |
| Rhumbline Advisers | 134,800 | $645.7K | 0.00% | +40,498+42.9% | Added |
| Harvard Management Co Inc | 131,847 | $632.0K | 0.06% | 00.0% | Unchanged |
| California State Teachers Retirement System | 121,109 | $580.1K | 0.00% | +7,351+6.5% | Added |
| LPL Financial LLC | 115,058 | $551.1K | 0.00% | +19,388+20.3% | Added |
| UBS Asset Management Americas Inc | 94,095 | $533.5K | 0.00% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 104,100 | $498.6K | 0.00% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 102,608 | $491.5K | 0.05% | +102,608 | New |
| Natixis | 99,000 | $474.2K | 0.00% | +99,000 | New |
| Cantor Fitzgerald, L. P. | 97,407 | $466.6K | 0.01% | +97,407 | New |
| AE Wealth Management LLC | 95,188 | $456.0K | 0.00% | +95,188 | New |
| Mach-1 Financial Group, Inc. | 94,961 | $454.9K | 0.18% | +94,961 | New |
| Janney Montgomery Scott LLC | 90,285 | $432.0K | 0.00% | −11,996−11.7% | Reduced |
| State of Wisconsin Investment Board | 87,334 | $418.3K | 0.00% | −4,598−5.0% | Reduced |
| Legal & General Group Plc | 86,647 | $415.0K | 0.00% | +44,344+104.8% | Added |
| Cubist Systematic Strategies, LLC | 85,661 | $410.3K | 0.00% | +75,893+777.0% | Added |
| Jane Street Group, LLC | 79,833 | $382.4K | 0.00% | +40,253+101.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 79,444 | $377.9K | 0.00% | +17,204+27.6% | Added |
| UBS Group AG | 73,231 | $350.8K | 0.00% | −36,872−33.5% | Reduced |
| Corton Capital Inc. | 65,772 | $315.0K | 0.15% | +65,772 | New |
| Simplex Trading, LLC | 61,020 | $292.0K | 0.01% | −54,080−47.0% | Reduced |
| Clear Creek Financial Management, LLC | 54,200 | $259.6K | 0.04% | +54,200 | New |
| MetLife Investment Management | 51,439 | $246.4K | 0.00% | +13,822+36.7% | Added |
| Edgewood Management LLC | 50,000 | $239.5K | 0.00% | −50,000−50.0% | Reduced |
| HarbourVest Partners LLC | 49,363 | $236.4K | 0.07% | 00.0% | Unchanged |
| Deutsche Bank AG | 48,451 | $232.1K | 0.00% | −12,762−20.8% | Reduced |
| Ironwood Investment Management LLC | 46,961 | $224.9K | 0.13% | −835−1.7% | Reduced |
| American International Group, Inc. | 46,820 | $224.3K | 0.00% | +12,814+37.7% | Added |
| Principal Financial Group Inc | 45,205 | $216.5K | 0.00% | +8,013+21.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 44,844 | $215.0K | 0.00% | +44,844 | New |
| Dynamic Technology Lab Private Ltd | 43,631 | $209.0K | 0.03% | +43,631 | New |
| Great West Life Assurance Co | 42,609 | $205.0K | 0.00% | +15,518+57.3% | Added |
| Citadel Advisors LLC | 41,773 | $200.1K | 0.00% | −487,920−92.1% | Reduced |
| E Fund Management Co., Ltd. | 41,581 | $199.0K | 0.02% | +27,996+206.1% | Added |
| Invesco Ltd. | 41,096 | $196.9K | 0.00% | +6,069+17.3% | Added |
| Manufacturers Life Insurance Company, The | 39,936 | $191.3K | 0.00% | +11,309+39.5% | Added |
| Oppenheimer & Co Inc | 38,819 | $185.9K | 0.00% | +1,708+4.6% | Added |
| Voya Investment Management LLC | 38,792 | $185.8K | 0.00% | +11,203+40.6% | Added |
| New York State Common Retirement Fund | 38,590 | $184.8K | 0.00% | +6,020+18.5% | Added |
| Vontobel Holding Ltd. | 35,865 | $171.8K | 0.00% | +15,326+74.6% | Added |
| Delphia (USA) Inc. | 33,913 | $162.4K | 0.26% | +33,913 | New |
| Kestra Advisory Services, LLC | 31,381 | $150.3K | 0.00% | +31,381 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,593 | $146.5K | 0.00% | +6,583+27.4% | Added |
| State Board of Administration of Florida Retirement System | 29,008 | $138.9K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 28,330 | $135.7K | 0.00% | −550−1.9% | Reduced |
| Teacher Retirement System of Texas | 27,360 | $131.0K | 0.00% | −3,345−10.9% | Reduced |
| Graham Capital Management, L.P. | 24,881 | $119.2K | 0.00% | +24,881 | New |
| Jump Financial, LLC | 22,516 | $107.9K | 0.00% | +22,516 | New |
| HighTower Advisors, LLC | 21,000 | $101.0K | 0.00% | +6,500+44.8% | Added |
| ProShare Advisors LLC | 20,927 | $100.2K | 0.00% | +3,997+23.6% | Added |
| AQR Capital Management LLC | 19,707 | $94.4K | 0.00% | +19,707 | New |
| PFG Investments, LLC | 19,500 | $93.4K | 0.02% | −1,000−4.9% | Reduced |
| Russell Investments Group, Ltd. | 18,300 | $87.7K | 0.00% | 00.0% | Unchanged |
| Aries Wealth Management | 18,000 | $86.2K | 0.03% | +6,000+50.0% | Added |
| Virtus ETF Advisers LLC | 17,768 | $85.1K | 0.05% | +1,425+8.7% | Added |