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 2025
Institutional positions in Seres Therapeutics, Inc. as of Mar 31, 2025. 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
- 63
- −6 vs. Q4 2024
- Shares held
- 61.5M
- −1.57M (−2.5%) vs. Q4 2024
- Total value
- $43.1M
- −$9.41M (−17.9%) vs. Q4 2024
- New holders
- 5
- 17 more added
- Sold out
- 11
- 15 more reduced
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Flagship Pioneering Inc. | 23,117,045 | $16.2M | 6.86% | 00.0% | Unchanged |
| FMR LLC | 21,889,432 | $15.3M | 0.00% | +77,735+0.4% | Added |
| Vanguard Group Inc | 6,091,999 | $4.26M | 0.00% | +218,119+3.7% | Added |
| BlackRock, Inc. | 1,762,157 | $1.23M | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,618,772 | $1.13M | 0.00% | +108,340+7.2% | Added |
| UBS Group AG | 1,456,161 | $1.02M | 0.00% | +1,113,844+325.4% | Added |
| Vontobel Holding Ltd. | 1,085,966 | $760.3K | 0.00% | +147,671+15.7% | Added |
| Charles Schwab Investment Management Inc | 834,107 | $584.0K | 0.00% | −31,718−3.7% | Reduced |
| Susquehanna International Group, LLP | 717,146 | $502.1K | 0.00% | +389,338+118.8% | Added |
| State Street Corp | 500,748 | $350.6K | 0.00% | 00.0% | Unchanged |
| Lion Point Capital, LP | 340,761 | $238.5K | 1.52% | 00.0% | Unchanged |
| Northern Trust Corp | 301,564 | $211.1K | 0.00% | +38,881+14.8% | Added |
| Bridgeway Capital Management, LLC | 250,000 | $175.0K | 0.00% | 00.0% | Unchanged |
| Tang Capital Management LLC | 203,904 | $142.8K | 0.01% | +203,904 | New |
| Morgan Stanley | 149,604 | $104.7K | 0.00% | −1,863,647−92.6% | Reduced |
| Invesco Ltd. | 136,572 | $95.6K | 0.00% | +89,995+193.2% | Added |
| Providence Wealth Advisors, LLC | 105,000 | $71.4K | 0.05% | 00.0% | Unchanged |
| LPL Financial LLC | 95,137 | $66.6K | 0.00% | +350+0.4% | Added |
| Goldman Sachs Group Inc | 74,629 | $52.2K | 0.00% | +21,679+40.9% | Added |
| SBI Securities Co., Ltd. | 69,664 | $48.8K | 0.00% | +48,013+221.8% | Added |
| Tudor Investment Corp Et Al | 61,977 | $43.4K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 51,300 | $35.9K | 0.00% | −49,400−49.1% | Reduced |
| JustInvest LLC | 50,720 | $35.5K | 0.00% | −20,416−28.7% | Reduced |
| Engineers Gate Manager LP | 47,637 | $33.4K | 0.00% | −37,349−43.9% | Reduced |
| Avantax Advisory Services, Inc. | 45,179 | $31.6K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 38,471 | $26.9K | 0.00% | 00.0% | Unchanged |
| Cantor Fitzgerald, L. P. | 37,475 | $26.2K | 0.00% | −58,265−60.9% | Reduced |
| Ironwood Investment Management LLC | 36,494 | $25.5K | 0.01% | −3,094−7.8% | Reduced |
| Two Sigma Investments, LP | 32,328 | $22.6K | 0.00% | +7,916+32.4% | Added |
| Millennium Management LLC | 29,550 | $20.7K | 0.00% | −1,781,169−98.4% | Reduced |
| Two Sigma Securities, LLC | 25,588 | $17.9K | 0.00% | +25,588 | New |
| Group One Trading, L.P. | 22,707 | $15.9K | 0.00% | +6,343+38.8% | Added |
| Arete Wealth Advisors, LLC | 20,900 | $15.0K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 20,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 20,000 | $14.0K | 0.00% | −28,500−58.8% | Reduced |
| MML Investors Services, LLC | 15,864 | $11.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 15,342 | $10.7K | 0.00% | −97−0.6% | Reduced |
| Aries Wealth Management | 15,000 | $10.5K | 0.00% | 00.0% | Unchanged |
| Miller Financial Services LLC | 15,000 | $10.5K | 0.02% | +15,000 | New |
| Captrust Financial Advisors | 13,100 | $9.17K | 0.00% | 00.0% | Unchanged |
| Peapack Gladstone Financial Corp | 13,000 | $9.00K | 0.00% | +13,000 | New |
| Mission Wealth Management, LP | 11,495 | $8.05K | 0.00% | +11,495 | New |
| Commonwealth Equity Services, LLC | 11,598 | $8.00K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 10,000 | $7.00K | 0.00% | 00.0% | Unchanged |
| Integrated Wealth Concepts LLC | 10,000 | $7.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 7,800 | $5.46K | 0.00% | +7,600+3,800.0% | Added |
| BNP Paribas Arbitrage, SA | 6,137 | $4.30K | 0.00% | −714−10.4% | Reduced |
| Bank of America Corp | 5,954 | $4.17K | 0.00% | +2,157+56.8% | Added |
| Royal Bank of Canada | 4,444 | $3.00K | 0.00% | +2,483+126.6% | Added |
| Barclays PLC | 1,593 | $1.11K | 0.00% | −2−0.1% | Reduced |
| JPMorgan Chase & Co | 1,304 | $913 | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 1,000 | $701 | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 955 | $669 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 666 | $466 | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 345 | $242 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 215 | $151 | 0.00% | −3,464−94.2% | Reduced |
| Nisa Investment Advisors, LLC | 200 | $140 | 0.00% | −108−35.1% | Reduced |
| Farther Finance Advisors, LLC | 204 | $138 | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 175 | $123 | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 160 | $112 | 0.00% | −244−60.4% | Reduced |
| Jones Financial Companies LLLP | 49 | $35 | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 48 | $34 | 0.00% | +17+54.8% | Added |
| Whittier Trust Co | 30 | $21 | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −58,736−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −26,868−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −24,900−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −24,756−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −16,300−100.0% | Sold out |
| Clear Creek Financial Management, LLC | 0 | $0 | 0.00% | −12,950−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −9,325−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −636−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −611−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −235−100.0% | Sold out |