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, Q3 2021
Institutional positions in Seres Therapeutics, Inc. as of Sep 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
- 133
- −14 vs. Q2 2021
- Shares held
- 79.6M
- −6.78M (−7.9%) vs. Q2 2021
- Total value
- $555.1M
- −$1.37B (−71.2%) vs. Q2 2021
- New holders
- 29
- 48 more added
- Sold out
- 43
- 33 more reduced
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Concord Wealth Partners | 53 | $0 | 0.00% | −125−70.2% | Reduced |
| Bell Investment Advisors, Inc | 36 | $0 | 0.00% | +36 | New |
| Berman Capital Advisors, LLC | 244 | $1.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 139 | $1.00K | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 73 | $1.00K | 0.00% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 55 | $1.00K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 87 | $1.00K | 0.00% | +87 | New |
| Kelly Financial Services LLC | 240 | $1.67K | 0.00% | −5,484−95.8% | Reduced |
| Captrust Financial Advisors | 225 | $2.00K | 0.00% | −291−56.4% | Reduced |
| Massmutual Trust Co FSB | 349 | $2.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 314 | $2.00K | 0.00% | +142+82.6% | Added |
| US Bancorp | 249 | $2.00K | 0.00% | +218+703.2% | Added |
| Nisa Investment Advisors, LLC | 590 | $4.00K | 0.00% | −3,300−84.8% | Reduced |
| Evolution Wealth Advisors, LLC | 748 | $5.00K | 0.00% | +219+41.4% | Added |
| Advisor Group Holdings, Inc. | 989 | $7.00K | 0.00% | −588−37.3% | Reduced |
| Orion Capital Management LLC | 1,000 | $7.00K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 1,403 | $9.00K | 0.00% | +1,403 | New |
| Penserra Capital Management LLC | 2,100 | $14.0K | 0.00% | +15+0.7% | Added |
| Macquarie Group Ltd | 2,320 | $16.0K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 3,250 | $23.0K | 0.00% | −59,686−94.8% | Reduced |
| Gilder Gagnon Howe & Co LLC | 3,380 | $24.0K | 0.00% | −2,403,505−99.9% | Reduced |
| Great West Life Assurance Co | 4,213 | $29.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 5,240 | $36.0K | 0.00% | −400−7.1% | Reduced |
| Ameritas Investment Partners, Inc. | 5,457 | $38.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 5,941 | $41.0K | 0.00% | +1,176+24.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,893 | $48.0K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 7,961 | $55.0K | 0.00% | +4,761+148.8% | Added |
| Metropolitan Life Insurance Co | 9,955 | $69.3K | 0.00% | −9,544−48.9% | Reduced |
| Virtus ETF Advisers LLC | 10,292 | $72.0K | 0.03% | −535−4.9% | Reduced |
| Teacher Retirement System of Texas | 11,026 | $77.0K | 0.00% | +11,026 | New |
| Public Employees Retirement Association of Colorado | 11,210 | $78.0K | 0.00% | 00.0% | Unchanged |
| Cowen and Company, LLC | 12,490 | $87.0K | 0.00% | +12,490 | New |
| BNP Paribas Arbitrage, SA | 12,527 | $87.2K | 0.00% | +9,906+377.9% | Added |
| Amalgamated Bank | 12,626 | $88.0K | 0.00% | −517−3.9% | Reduced |
| MetLife Investment Management | 12,854 | $89.5K | 0.00% | −12,614−49.5% | Reduced |
| Ironwood Investment Management LLC | 15,620 | $109.0K | 0.06% | +21+0.1% | Added |
| D. E. Shaw & Co., Inc. | 16,188 | $113.0K | 0.00% | −36,292−69.2% | Reduced |
| Quantamental Technologies LLC | 17,337 | $121.0K | 0.08% | +17,337 | New |
| Trexquant Investment LP | 17,742 | $123.0K | 0.01% | +17,742 | New |
| Algert Global LLC | 17,858 | $124.0K | 0.02% | +17,858 | New |
| Russell Investments Group, Ltd. | 18,300 | $127.0K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 18,729 | $130.0K | 0.00% | +126+0.7% | Added |
| Engineers Gate Manager LP | 21,500 | $150.0K | 0.01% | +21,500 | New |
| XTX Topco Ltd | 24,563 | $171.0K | 0.06% | +24,563 | New |
| Erste Asset Management GmbH | 27,000 | $183.9K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 26,700 | $186.0K | 0.00% | +26,700 | New |
| Group One Trading, L.P. | 26,997 | $188.0K | 0.00% | −2,195−7.5% | Reduced |
| Voya Investment Management LLC | 27,336 | $190.0K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 27,492 | $191.0K | 0.01% | +27,492 | New |
| ProShare Advisors LLC | 28,511 | $198.0K | 0.00% | −6,018−17.4% | Reduced |
| State Board of Administration of Florida Retirement System | 28,998 | $202.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 29,074 | $202.0K | 0.00% | +13,525+87.0% | Added |
| Principal Financial Group Inc | 33,140 | $230.0K | 0.00% | −24,379−42.4% | Reduced |
| Tower Research Capital LLC (TRC) | 35,176 | $245.0K | 0.01% | +25,397+259.7% | Added |
| Walleye Trading LLC | 35,591 | $248.0K | 0.01% | +24,486+220.5% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 36,249 | $252.0K | 0.00% | −5,260−12.7% | Reduced |
| Handelsbanken Fonder AB | 36,500 | $254.0K | 0.00% | +20,500+128.1% | Added |
| Manufacturers Life Insurance Company, The | 37,973 | $264.0K | 0.00% | −1,485−3.8% | Reduced |
| American International Group, Inc. | 38,094 | $265.0K | 0.00% | −905−2.3% | Reduced |
| New York State Common Retirement Fund | 38,407 | $267.0K | 0.00% | −21,640−36.0% | Reduced |
| HAP Trading, LLC | 40,044 | $279.0K | 0.02% | +40,044 | New |
| Invesco Ltd. | 40,249 | $281.0K | 0.00% | +6,604+19.6% | Added |
| TD Asset Management Inc | 41,725 | $290.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 42,023 | $292.0K | 0.00% | −22,679−35.1% | Reduced |
| Credit Suisse AG | 46,454 | $323.0K | 0.00% | +3,644+8.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 47,981 | $334.0K | 0.00% | +16,324+51.6% | Added |
| Barclays PLC | 47,934 | $334.0K | 0.00% | +23,572+96.8% | Added |
| HarbourVest Partners LLC | 49,363 | $344.0K | 0.03% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 52,156 | $363.0K | 0.02% | +17,855+52.1% | Added |
| Wells Fargo & Company | 55,159 | $384.0K | 0.00% | +26,098+89.8% | Added |
| Edgewood Management LLC | 60,000 | $418.0K | 0.00% | +20,000+50.0% | Added |
| Boothbay Fund Management, LLC | 61,097 | $425.0K | 0.02% | +61,097 | New |
| Sit Investment Associates Inc | 62,450 | $435.0K | 0.01% | 00.0% | Unchanged |
| DekaBank Deutsche Girozentrale | 65,000 | $438.0K | 0.00% | 00.0% | Unchanged |
| Occudo Quantitative Strategies LP | 63,919 | $445.0K | 0.05% | +63,919 | New |
| Los Angeles Capital Management LLC | 66,762 | $465.0K | 0.00% | +66,762 | New |
| First Trust Advisors LP | 68,940 | $480.0K | 0.00% | +68,940 | New |
| Parametric Portfolio Associates LLC | 70,198 | $489.0K | 0.00% | +32,792+87.7% | Added |
| Deutsche Bank AG | 78,542 | $547.0K | 0.00% | +31,576+67.2% | Added |
| Jane Street Group, LLC | 81,354 | $567.0K | 0.00% | −12,656−13.5% | Reduced |
| Rhumbline Advisers | 81,567 | $568.0K | 0.00% | +2,720+3.4% | Added |
| Marshall Wace North America L.P. | 85,755 | $598.0K | 0.00% | +85,755 | New |
| Oregon Public Employees Retirement Fund | 89,274 | $621.0K | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 90,100 | $627.0K | 0.00% | −15,854−15.0% | Reduced |
| AQR Capital Management LLC | 93,332 | $650.0K | 0.00% | +62,470+202.4% | Added |
| California State Teachers Retirement System | 94,000 | $654.0K | 0.00% | −1,966−2.0% | Reduced |
| Citadel Advisors LLC | 95,206 | $663.0K | 0.00% | −184,057−65.9% | Reduced |
| Alps Advisors Inc | 112,414 | $782.0K | 0.01% | −7,537−6.3% | Reduced |
| Harvard Management Co Inc | 131,847 | $918.0K | 0.05% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 135,400 | $942.0K | 0.00% | +48,600+56.0% | Added |
| LMR Partners LLP | 145,100 | $1.01M | 0.01% | +145,100 | New |
| Swiss National Bank | 150,800 | $1.05M | 0.00% | 00.0% | Unchanged |
| AlphaCentric Advisors LLC | 165,500 | $1.15M | 0.29% | +165,500 | New |
| Gsa Capital Partners LLP | 200,028 | $1.39M | 0.14% | +200,028 | New |
| Simplex Trading, LLC | 62,164 | $1.40M | 0.05% | +12,882+26.1% | Added |
| Walleye Capital LLC | 217,662 | $1.51M | 0.05% | +217,662 | New |
| Marshall Wace, LLP | 231,950 | $1.61M | 0.01% | +231,950 | New |
| Bank of America Corp | 248,325 | $1.73M | 0.00% | +99,059+66.4% | Added |
| Bank of New York Mellon Corp | 274,150 | $1.91M | 0.00% | +13,564+5.2% | Added |
| Silverarc Capital Management, LLC | 274,833 | $1.91M | 1.11% | +210,918+330.0% | Added |