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 2022
Institutional positions in Seres Therapeutics, Inc. as of Jun 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
- 123
- −5 vs. Q1 2022
- Shares held
- 90.9M
- +15.5M (+20.6%) vs. Q1 2022
- Total value
- $312.7M
- −$223.9M (−41.7%) vs. Q1 2022
- New holders
- 18
- 35 more added
- Sold out
- 23
- 49 more reduced
3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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.
| 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 2022
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Goldman Sachs Group Inc | 471,548 | $1.62M | 0.00% | −157,001−25.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 475,121 | $1.63M | 0.01% | −465,010−49.5% | Reduced |
| Ikarian Capital, LLC | 540,624 | $1.85M | 0.77% | −300,000−35.7% | Reduced |
| Dimensional Fund Advisors LP | 542,755 | $1.86M | 0.00% | +74,444+15.9% | Added |
| Price T Rowe Associates Inc | 568,709 | $1.95M | 0.00% | +500+0.1% | Added |
| Northern Trust Corp | 676,808 | $2.32M | 0.00% | −23,946−3.4% | Reduced |
| Nikko Asset Management Americas, Inc. | 696,785 | $2.34M | 0.03% | −30,473−4.2% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 696,785 | $2.39M | 0.00% | −30,473−4.2% | Reduced |
| Hudson Bay Capital Management LP | 722,100 | $2.48M | 0.02% | +572,100+381.4% | Added |
| Lion Point Capital, LP | 481,803 | $2.66M | 0.94% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 780,844 | $2.68M | 0.00% | +638,779+449.6% | Added |
| Renaissance Technologies LLC | 876,407 | $3.01M | 0.00% | +397,007+82.8% | Added |
| Millennium Management LLC | 1,093,910 | $3.75M | 0.00% | +504,624+85.6% | Added |
| Maven Securities LTD | 1,154,507 | $3.96M | 0.70% | +1,154,507 | New |
| Geode Capital Management, LLC | 1,218,748 | $4.18M | 0.00% | +9,431+0.8% | Added |
| State Street Corp | 1,464,345 | $5.02M | 0.00% | −3,383,598−69.8% | Reduced |
| CVI Holdings, LLC | 2,722,826 | $9.34M | 0.68% | +2,722,826 | New |
| Vanguard Group Inc | 5,330,817 | $18.3M | 0.00% | +263,887+5.2% | Added |
| Janus Henderson Group PLC | 5,370,409 | $18.4M | 0.01% | −436,271−7.5% | Reduced |
| BlackRock Inc. | 5,760,733 | $19.8M | 0.00% | −133,697−2.3% | Reduced |
| Flagship Pioneering Inc. | 14,378,802 | $49.3M | 1.86% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 17,982,256 | $61.7M | 0.17% | +9,971,450+124.5% | Added |
| FMR LLC | 18,601,212 | $63.8M | 0.01% | +4,723,347+34.0% | Added |
| Soviero Asset Management, LP | 0 | $0 | 0.00% | −360,000−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Rafferty Asset Management, LLC | 0 | $0 | 0.00% | −296,435−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −194,782−100.0% | Sold out |
| Oregon Public Employees Retirement Fund | 0 | $0 | 0.00% | −89,274−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −75,410−100.0% | Sold out |
| Edgewood Management LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −67,000−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −56,974−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −19,160−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −17,719−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −14,871−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −10,294−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −519−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −249−100.0% | Sold out |
| Kayne Anderson Rudnick Investment Management LLC | 0 | $0 | 0.00% | −247−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −349−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −327−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −225−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −139−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −101−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | – | – | – | – | Not filed |
| Parametric Portfolio Associates LLC | – | – | – | – | Not filed |
| Amalgamated Financial Corp. | – | – | – | – | Not filed |