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.
| 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 2021
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Flagship Pioneering Inc. | 14,378,802 | $342.9M | 4.38% | −295,171−2.0% | Reduced |
| FMR LLC | 12,919,073 | $308.1M | 0.02% | +638,400+5.2% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 9,713,160 | $231.7M | 0.43% | −2,142,787−18.1% | Reduced |
| BlackRock Inc. | 6,420,985 | $153.1M | 0.00% | +273,669+4.5% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 5,289,965 | $126.2M | 0.07% | −660,153−11.1% | Reduced |
| Nikko Asset Management Americas, Inc. | 5,280,154 | $118.9M | 0.47% | −719,202−12.0% | Reduced |
| Janus Henderson Group PLC | 3,805,739 | $90.8M | 0.04% | +157,806+4.3% | Added |
| State Street Corp | 3,464,273 | $82.6M | 0.00% | +93,453+2.8% | Added |
| Vanguard Group Inc | 3,405,570 | $81.2M | 0.00% | −13,707−0.4% | Reduced |
| Gilder Gagnon Howe & Co LLC | 2,406,885 | $57.4M | 0.28% | −201,270−7.7% | Reduced |
| Federated Hermes, Inc. | 2,347,909 | $56.0M | 0.10% | −415,000−15.0% | Reduced |
| Price T Rowe Associates Inc | 1,387,839 | $33.1M | 0.00% | −29,503−2.1% | Reduced |
| Geode Capital Management, LLC | 1,106,322 | $26.4M | 0.00% | +133,278+13.7% | Added |
| Lord, Abbett & Co. LLC | 874,124 | $20.8M | 0.05% | +174,075+24.9% | Added |
| Goldman Sachs Group Inc | 722,509 | $17.2M | 0.00% | −186,611−20.5% | Reduced |
| Northern Trust Corp | 715,107 | $17.1M | 0.00% | +72,501+11.3% | Added |
| Morgan Stanley | 627,851 | $15.0M | 0.00% | +274,093+77.5% | Added |
| Charles Schwab Investment Management Inc | 420,165 | $10.0M | 0.00% | +37,788+9.9% | Added |
| Citadel Advisors LLC | 279,263 | $6.66M | 0.01% | −60,939−17.9% | Reduced |
| Bank of New York Mellon Corp | 260,586 | $6.21M | 0.00% | +53,142+25.6% | Added |
| Opaleye Management Inc. | 250,000 | $5.96M | 0.99% | −50,000−16.7% | Reduced |
| Millennium Management LLC | 207,547 | $4.95M | 0.01% | −59,574−22.3% | Reduced |
| Citigroup Inc | 202,860 | $4.84M | 0.00% | +2,387+1.2% | Added |
| Artal Group S.A. | 200,000 | $4.77M | 0.11% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 159,202 | $3.80M | 0.01% | −50,699−24.2% | Reduced |
| Swiss National Bank | 150,800 | $3.60M | 0.00% | +4,900+3.4% | Added |
| Bank of America Corp | 149,266 | $3.56M | 0.00% | −2,737−1.8% | Reduced |
| Commodore Capital LP | 145,453 | $3.47M | 1.21% | +4,150+2.9% | Added |
| Harvard Management Co Inc | 131,847 | $3.15M | 0.18% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 126,997 | $3.03M | 0.02% | −28,924−18.6% | Reduced |
| Alps Advisors Inc | 119,951 | $2.86M | 0.03% | −45,675−27.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 106,602 | $2.54M | 0.03% | +106,602 | New |
| State of Wisconsin Investment Board | 105,954 | $2.53M | 0.01% | +15,354+16.9% | Added |
| Altium Capital Management LP | 104,626 | $2.50M | 0.58% | 00.0% | Unchanged |
| Schroder Investment Management Group | 98,432 | $2.35M | 0.00% | +3,423+3.6% | Added |
| California State Teachers Retirement System | 95,966 | $2.29M | 0.00% | +12,683+15.2% | Added |
| Jane Street Group, LLC | 94,010 | $2.24M | 0.01% | +18,988+25.3% | Added |
| UBS Asset Management Americas Inc | 90,064 | $2.15M | 0.00% | +18,036+25.0% | Added |
| Oregon Public Employees Retirement Fund | 89,274 | $2.13M | 0.02% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 86,800 | $2.07M | 0.00% | +7,700+9.7% | Added |
| Ra Capital Management, L.P. | 5,105,547 | $1.90M | 0.03% | +1,411,354+38.2% | Added |
| Rhumbline Advisers | 78,847 | $1.88M | 0.00% | +8,244+11.7% | Added |
| Integral Health Asset Management, LLC | 75,000 | $1.79M | 0.49% | +75,000 | New |
| Allianz Asset Management GmbH | 73,457 | $1.75M | 0.00% | −9,912−11.9% | Reduced |
| Susquehanna International Group, LLP | 65,311 | $1.56M | 0.00% | −44,531−40.5% | Reduced |
| LPL Financial LLC | 64,702 | $1.54M | 0.00% | −165−0.3% | Reduced |
| JPMorgan Chase & Co | 64,479 | $1.54M | 0.00% | −78,528−54.9% | Reduced |
| DekaBank Deutsche Girozentrale | 65,000 | $1.53M | 0.00% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 63,915 | $1.52M | 0.80% | −36,085−36.1% | Reduced |
| Asymmetry Capital Management, L.P. | 63,259 | $1.51M | 1.04% | +63,259 | New |
| Caption Management, LLC | 62,936 | $1.50M | 0.13% | +62,936 | New |
| Sit Investment Associates Inc | 62,450 | $1.49M | 0.04% | +62,450 | New |
| New York State Common Retirement Fund | 60,047 | $1.43M | 0.00% | +8,747+17.1% | Added |
| Eversept Partners, LP | 59,560 | $1.42M | 0.13% | −155,716−72.3% | Reduced |
| Principal Financial Group Inc | 57,519 | $1.37M | 0.00% | −1,064−1.8% | Reduced |
| Nuveen Asset Management, LLC | 283,356 | $1.31M | 0.00% | +61,859+27.9% | Added |
| D. E. Shaw & Co., Inc. | 52,480 | $1.25M | 0.00% | +362+0.7% | Added |
| HarbourVest Partners LLC | 49,363 | $1.18M | 0.11% | 00.0% | Unchanged |
| Simplex Trading, LLC | 49,282 | $1.18M | 0.04% | +16,641+51.0% | Added |
| Jump Financial, LLC | 47,563 | $1.13M | 0.11% | +20,311+74.5% | Added |
| Deutsche Bank AG | 46,966 | $1.12M | 0.00% | −15,948−25.3% | Reduced |
| HighVista Strategies LLC | 44,750 | $1.07M | 0.76% | +44,750 | New |
| CSS LLC | 44,240 | $1.05M | 0.06% | +44,240 | New |
| Credit Suisse AG | 42,810 | $1.02M | 0.00% | −5,103−10.7% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 41,509 | $990.0K | 0.01% | +11,259+37.2% | Added |
| Edgewood Management LLC | 40,000 | $954.0K | 0.00% | +15,000+60.0% | Added |
| Manufacturers Life Insurance Company, The | 39,458 | $941.0K | 0.00% | +7,979+25.3% | Added |
| American International Group, Inc. | 38,999 | $930.0K | 0.00% | +6,808+21.1% | Added |
| Parametric Portfolio Associates LLC | 37,406 | $892.0K | 0.00% | +3,175+9.3% | Added |
| AtonRa Partners | 35,354 | $843.0K | 0.31% | +13,592+62.5% | Added |
| ProShare Advisors LLC | 34,529 | $824.0K | 0.00% | +7,143+26.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 34,301 | $818.0K | 0.04% | +34,301 | New |
| Two Sigma Advisers, LP | 33,800 | $806.0K | 0.00% | −85,400−71.6% | Reduced |
| Invesco Ltd. | 33,645 | $802.0K | 0.00% | +19,087+131.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 31,657 | $755.0K | 0.00% | +31,657 | New |
| AQR Capital Management LLC | 30,862 | $736.0K | 0.00% | +10,340+50.4% | Added |
| Pura Vida Investments, LLC | 30,000 | $716.0K | 0.05% | +30,000 | New |
| Group One Trading, L.P. | 29,192 | $696.0K | 0.01% | −32,768−52.9% | Reduced |
| Wells Fargo & Company | 29,061 | $693.0K | 0.00% | −31,677−52.2% | Reduced |
| State Board of Administration of Florida Retirement System | 28,998 | $692.0K | 0.00% | +5,323+22.5% | Added |
| Cubist Systematic Strategies, LLC | 27,691 | $660.0K | 0.01% | +27,691 | New |
| Voya Investment Management LLC | 27,336 | $652.0K | 0.00% | +3,347+14.0% | Added |
| Erste Asset Management GmbH | 27,000 | $645.0K | 0.01% | 00.0% | Unchanged |
| MetLife Investment Management | 25,468 | $607.4K | 0.01% | +3,824+17.7% | Added |
| Barclays PLC | 24,362 | $582.0K | 0.00% | −30,653−55.7% | Reduced |
| Blueshift Asset Management, LLC | 22,724 | $542.0K | 0.03% | +22,724 | New |
| Belvedere Trading LLC | 23,532 | $488.0K | 0.20% | +23,532 | New |
| Cresset Asset Management, LLC | 20,243 | $483.0K | 0.01% | −5,342−20.9% | Reduced |
| Metropolitan Life Insurance Co | 19,499 | $465.1K | 0.01% | +4,630+31.1% | Added |
| Arizona State Retirement System | 18,603 | $444.0K | 0.00% | +90.0% | Added |
| Russell Investments Group, Ltd. | 18,300 | $436.0K | 0.00% | 00.0% | Unchanged |
| American Portfolios Advisors | 17,307 | $412.8K | 0.02% | +349+2.1% | Added |
| Handelsbanken Fonder AB | 16,000 | $382.0K | 0.00% | +2,000+14.3% | Added |
| Victory Capital Management Inc | 15,797 | $377.0K | 0.00% | −6,944−30.5% | Reduced |
| Ironwood Investment Management LLC | 15,599 | $372.0K | 0.19% | −373−2.3% | Reduced |
| Legal & General Group Plc | 15,549 | $371.0K | 0.00% | +1,319+9.3% | Added |
| SG Americas Securities, LLC | 15,260 | $364.0K | 0.00% | −1,599−9.5% | Reduced |
| Squarepoint Ops LLC | 14,358 | $342.0K | 0.00% | −128,024−89.9% | Reduced |
| Stifel Financial Corp | 14,163 | $338.0K | 0.00% | −3,009−17.5% | Reduced |
| Vontobel Holding Ltd. | 13,774 | $329.0K | 0.00% | +13,774 | New |