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 |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 64,479 | $1.54M | 0.00% | −78,528−54.9% | Reduced |
| LPL Financial LLC | 64,702 | $1.54M | 0.00% | −165−0.3% | Reduced |
| Susquehanna International Group, LLP | 65,311 | $1.56M | 0.00% | −44,531−40.5% | Reduced |
| Allianz Asset Management GmbH | 73,457 | $1.75M | 0.00% | −9,912−11.9% | Reduced |
| Integral Health Asset Management, LLC | 75,000 | $1.79M | 0.49% | +75,000 | New |
| Rhumbline Advisers | 78,847 | $1.88M | 0.00% | +8,244+11.7% | Added |
| Ra Capital Management, L.P. | 5,105,547 | $1.90M | 0.03% | +1,411,354+38.2% | Added |
| Alliancebernstein L.P. | 86,800 | $2.07M | 0.00% | +7,700+9.7% | Added |
| Oregon Public Employees Retirement Fund | 89,274 | $2.13M | 0.02% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 90,064 | $2.15M | 0.00% | +18,036+25.0% | Added |
| Jane Street Group, LLC | 94,010 | $2.24M | 0.01% | +18,988+25.3% | Added |
| California State Teachers Retirement System | 95,966 | $2.29M | 0.00% | +12,683+15.2% | Added |
| Schroder Investment Management Group | 98,432 | $2.35M | 0.00% | +3,423+3.6% | Added |
| Altium Capital Management LP | 104,626 | $2.50M | 0.58% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 105,954 | $2.53M | 0.01% | +15,354+16.9% | Added |
| Schonfeld Strategic Advisors LLC | 106,602 | $2.54M | 0.03% | +106,602 | New |
| Alps Advisors Inc | 119,951 | $2.86M | 0.03% | −45,675−27.6% | Reduced |
| Rafferty Asset Management, LLC | 126,997 | $3.03M | 0.02% | −28,924−18.6% | Reduced |
| Harvard Management Co Inc | 131,847 | $3.15M | 0.18% | 00.0% | Unchanged |
| Commodore Capital LP | 145,453 | $3.47M | 1.21% | +4,150+2.9% | Added |
| Bank of America Corp | 149,266 | $3.56M | 0.00% | −2,737−1.8% | Reduced |
| Swiss National Bank | 150,800 | $3.60M | 0.00% | +4,900+3.4% | Added |
| Two Sigma Investments, LP | 159,202 | $3.80M | 0.01% | −50,699−24.2% | Reduced |
| Artal Group S.A. | 200,000 | $4.77M | 0.11% | 00.0% | Unchanged |
| Citigroup Inc | 202,860 | $4.84M | 0.00% | +2,387+1.2% | Added |
| Millennium Management LLC | 207,547 | $4.95M | 0.01% | −59,574−22.3% | Reduced |
| Opaleye Management Inc. | 250,000 | $5.96M | 0.99% | −50,000−16.7% | Reduced |
| Bank of New York Mellon Corp | 260,586 | $6.21M | 0.00% | +53,142+25.6% | Added |
| Citadel Advisors LLC | 279,263 | $6.66M | 0.01% | −60,939−17.9% | Reduced |
| Charles Schwab Investment Management Inc | 420,165 | $10.0M | 0.00% | +37,788+9.9% | Added |
| Morgan Stanley | 627,851 | $15.0M | 0.00% | +274,093+77.5% | Added |
| Northern Trust Corp | 715,107 | $17.1M | 0.00% | +72,501+11.3% | Added |
| Goldman Sachs Group Inc | 722,509 | $17.2M | 0.00% | −186,611−20.5% | Reduced |
| Lord, Abbett & Co. LLC | 874,124 | $20.8M | 0.05% | +174,075+24.9% | Added |
| Geode Capital Management, LLC | 1,106,322 | $26.4M | 0.00% | +133,278+13.7% | Added |
| Price T Rowe Associates Inc | 1,387,839 | $33.1M | 0.00% | −29,503−2.1% | Reduced |
| Federated Hermes, Inc. | 2,347,909 | $56.0M | 0.10% | −415,000−15.0% | Reduced |
| Gilder Gagnon Howe & Co LLC | 2,406,885 | $57.4M | 0.28% | −201,270−7.7% | Reduced |
| Vanguard Group Inc | 3,405,570 | $81.2M | 0.00% | −13,707−0.4% | Reduced |
| State Street Corp | 3,464,273 | $82.6M | 0.00% | +93,453+2.8% | Added |
| Janus Henderson Group PLC | 3,805,739 | $90.8M | 0.04% | +157,806+4.3% | Added |
| Nikko Asset Management Americas, Inc. | 5,280,154 | $118.9M | 0.47% | −719,202−12.0% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 5,289,965 | $126.2M | 0.07% | −660,153−11.1% | Reduced |
| BlackRock Inc. | 6,420,985 | $153.1M | 0.00% | +273,669+4.5% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 9,713,160 | $231.7M | 0.43% | −2,142,787−18.1% | Reduced |
| FMR LLC | 12,919,073 | $308.1M | 0.02% | +638,400+5.2% | Added |
| Flagship Pioneering Inc. | 14,378,802 | $342.9M | 4.38% | −295,171−2.0% | Reduced |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −974,671−100.0% | Sold out |
| Fairmount Funds Management LLC | 0 | $0 | 0.00% | −353,016−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −129,200−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −104,780−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −52,930−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −40,900−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −41,610−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −40,795−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −23,344−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −20,138−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −19,819−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −19,400−100.0% | Sold out |
| Interchange Capital Partners, LLC | 0 | $0 | 0.00% | −16,820−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −13,739−100.0% | Sold out |
| Phoenix Wealth Advisors | 0 | $0 | 0.00% | −9,387−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −3,643−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −2,503−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −2,100−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −1,288−100.0% | Sold out |
| Manchester Financial Inc | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −780−100.0% | Sold out |
| Wealthcare Advisory Partners LLC | 0 | $0 | 0.00% | −550−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −458−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −231−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −9−100.0% | Sold out |