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 2023
Institutional positions in Seres Therapeutics, Inc. as of Mar 31, 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
- 123
- −1 vs. Q4 2022
- Shares held
- 104.7M
- −325.8K (−0.3%) vs. Q4 2022
- Total value
- $593.9M
- +$5.72M (+1.0%) vs. Q4 2022
- New holders
- 20
- 42 more added
- Sold out
- 21
- 37 more reduced
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 407,197 | $2.31M | 0.00% | +46,992+13.0% | Added |
| Millennium Management LLC | 408,480 | $2.32M | 0.00% | +203,008+98.8% | Added |
| Hudson Bay Capital Management LP | 525,000 | $2.98M | 0.03% | −55,000−9.5% | Reduced |
| Citadel Advisors LLC | 529,693 | $3.00M | 0.00% | +527,064+20,048.1% | Added |
| Simplify Asset Management Inc. | 550,626 | $3.12M | 0.56% | +550,626 | New |
| Price T Rowe Associates Inc | 584,072 | $3.31M | 0.00% | +1,528+0.3% | Added |
| Lion Point Capital, LP | 596,803 | $3.38M | 1.87% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 624,021 | $3.54M | 0.00% | +11,472+1.9% | Added |
| Charles Schwab Investment Management Inc | 633,869 | $3.59M | 0.00% | −3,029−0.5% | Reduced |
| Jennison Associates LLC | 664,734 | $3.77M | 0.00% | −3,707−0.6% | Reduced |
| Northern Trust Corp | 740,674 | $4.20M | 0.00% | +10,224+1.4% | Added |
| Kynam Capital Management, LP | 768,913 | $4.36M | 0.56% | −7,749−1.0% | Reduced |
| Handelsbanken Fonder AB | 800,000 | $4.54M | 0.03% | +800,000 | New |
| Avoro Capital Advisors LLC | 1,295,000 | $7.34M | 0.11% | +1,295,000 | New |
| Geode Capital Management, LLC | 1,635,509 | $9.27M | 0.00% | +45,114+2.8% | Added |
| Eversept Partners, LP | 2,536,665 | $14.4M | 1.29% | +335,666+15.3% | Added |
| State Street Corp | 3,768,309 | $21.4M | 0.00% | −795,830−17.4% | Reduced |
| Vanguard Group Inc | 5,853,136 | $33.2M | 0.00% | −239,801−3.9% | Reduced |
| BlackRock Inc. | 6,249,086 | $35.4M | 0.00% | −209,888−3.2% | Reduced |
| Janus Henderson Group PLC | 11,300,815 | $64.1M | 0.04% | +52,523+0.5% | Added |
| Federated Hermes, Inc. | 15,277,356 | $86.6M | 0.22% | −2,808,582−15.5% | Reduced |
| FMR LLC | 18,911,458 | $107.2M | 0.01% | +222,697+1.2% | Added |
| Flagship Pioneering Inc. | 23,117,045 | $131.1M | 5.09% | 00.0% | Unchanged |
| Prudential Financial Inc | 0 | $0 | 0.00% | −139,450−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −78,050−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −73,134−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −63,094−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −47,685−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −43,204−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −39,040−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −21,840−100.0% | Sold out |
| Boulder Hill Capital Management LP | 0 | $0 | 0.00% | −20,200−100.0% | Sold out |
| Wedbush Securities Inc | 0 | $0 | 0.00% | −19,874−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −19,700−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −12,611−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,147−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −10,812−100.0% | Sold out |
| Apollon Wealth Management, LLC | 0 | $0 | 0.00% | −10,658−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −10,359−100.0% | Sold out |
| Gyon Technologies Capital Management, LP | 0 | $0 | 0.00% | −9,044−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −7,735−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −544−100.0% | Sold out |
| McElhenny Sheffield Capital Management, LLC | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |