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, Q1 2022
Institutional positions in Seres Therapeutics, Inc. as of Mar 31, 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
- 131
- −16 vs. Q4 2021
- Shares held
- 75.5M
- −1.72M (−2.2%) vs. Q4 2021
- Total value
- $537.2M
- −$105.6M (−16.4%) vs. Q4 2021
- New holders
- 7
- 45 more added
- Sold out
- 23
- 55 more reduced
1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citadel Advisors LLC | 236,977 | $1.69M | 0.00% | −158,755−40.1% | Reduced |
| Nuveen Asset Management, LLC | 253,890 | $1.85M | 0.00% | +13,049+5.4% | Added |
| AQR Capital Management LLC | 266,408 | $1.90M | 0.00% | +220,109+475.4% | Added |
| Two Sigma Advisers, LP | 282,700 | $2.01M | 0.01% | +36,800+15.0% | Added |
| Kynam Capital Management, LP | 291,443 | $2.08M | 0.67% | −13,458−4.4% | Reduced |
| Rafferty Asset Management, LLC | 296,435 | $2.11M | 0.01% | −33,546−10.2% | Reduced |
| Adage Capital Partners GP, L.L.C. | 300,000 | $2.14M | 0.00% | +175,000+140.0% | Added |
| Silverarc Capital Management, LLC | 326,872 | $2.33M | 1.26% | +6,270+2.0% | Added |
| Soviero Asset Management, LP | 360,000 | $2.56M | 0.65% | −190,000−34.5% | Reduced |
| Voloridge Investment Management, LLC | 419,662 | $2.99M | 0.02% | −12,223−2.8% | Reduced |
| Dimensional Fund Advisors LP | 468,311 | $3.33M | 0.00% | +468,311 | New |
| Renaissance Technologies LLC | 479,400 | $3.41M | 0.00% | −267,100−35.8% | Reduced |
| Lion Point Capital, LP | 481,803 | $3.43M | 1.16% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 482,178 | $3.43M | 0.00% | +11,886+2.5% | Added |
| Price T Rowe Associates Inc | 568,209 | $4.05M | 0.00% | +7,645+1.4% | Added |
| Millennium Management LLC | 589,286 | $4.20M | 0.01% | −675,200−53.4% | Reduced |
| Morgan Stanley | 595,521 | $4.24M | 0.00% | +50,804+9.3% | Added |
| Goldman Sachs Group Inc | 628,549 | $4.47M | 0.00% | −609,901−49.2% | Reduced |
| Northern Trust Corp | 700,754 | $4.99M | 0.00% | −37,401−5.1% | Reduced |
| Nikko Asset Management Americas, Inc. | 727,258 | $5.11M | 0.04% | −58,261−7.4% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 727,258 | $5.18M | 0.00% | −58,261−7.4% | Reduced |
| Ikarian Capital, LLC | 840,624 | $5.99M | 1.82% | +44,721+5.6% | Added |
| Jacobs Levy Equity Management, Inc | 940,131 | $6.69M | 0.05% | −350,166−27.1% | Reduced |
| Geode Capital Management, LLC | 1,209,317 | $8.61M | 0.00% | −28,045−2.3% | Reduced |
| State Street Corp | 4,847,943 | $34.5M | 0.00% | +62,354+1.3% | Added |
| Vanguard Group Inc | 5,066,930 | $36.1M | 0.00% | +390,665+8.4% | Added |
| Janus Henderson Group PLC | 5,806,680 | $41.3M | 0.02% | +751,581+14.9% | Added |
| BlackRock Inc. | 5,894,430 | $42.0M | 0.00% | +31,739+0.5% | Added |
| Federated Hermes, Inc. | 8,010,806 | $57.0M | 0.13% | +1,096,670+15.9% | Added |
| FMR LLC | 13,877,865 | $98.8M | 0.01% | +100,795+0.7% | Added |
| Flagship Pioneering Inc. | 14,378,802 | $102.4M | 2.40% | 00.0% | Unchanged |
| Toronto Dominion Bank | 0 | $0 | 0.00% | −139,042−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −123,005−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −54,103−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −34,901−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −34,422−100.0% | Sold out |
| Manteio Capital LLC | 0 | $0 | 0.00% | −29,985−100.0% | Sold out |
| Erste Asset Management GmbH | 0 | $0 | 0.00% | −27,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −28,192−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −26,488−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −21,602−100.0% | Sold out |
| Quantamental Technologies LLC | 0 | $0 | 0.00% | −21,480−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −19,363−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −13,578−100.0% | Sold out |
| Delphia (USA) Inc. | 0 | $0 | 0.00% | −13,531−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −12,018−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −11,588−100.0% | Sold out |
| Alpine Global Management, LLC | 0 | $0 | 0.00% | −10,575−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −10,141−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −8,818−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −8,276−100.0% | Sold out |
| Retirement Planning Co of New England, Inc. | 0 | $0 | 0.00% | −950−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Bell Investment Advisors, Inc | – | – | – | – | Not filed |