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 2023
Institutional positions in Seres Therapeutics, Inc. as of Sep 30, 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
- 134
- −3 vs. Q2 2023
- Shares held
- 107.4M
- −4.90M (−4.4%) vs. Q2 2023
- Total value
- $255.6M
- −$282.4M (−52.5%) vs. Q2 2023
- New holders
- 21
- 54 more added
- Sold out
- 24
- 30 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Seres Therapeutics, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Newbridge Financial Services Group, Inc. | 55 | $131 | 0.00% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 175 | $417 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 235 | $559 | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 240 | $571 | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 345 | $822 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 373 | $888 | 0.00% | +373 | New |
| Daiwa Securities Group Inc. | 501 | $1.00K | 0.00% | 00.0% | Unchanged |
| Belvedere Trading LLC | 472 | $1.12K | 0.00% | +472 | New |
| Lindbrook Capital, LLC | 515 | $1.23K | 0.00% | +160+45.1% | Added |
| Quadrant Capital Group LLC | 884 | $2.10K | 0.00% | +884 | New |
| Massmutual Trust Co FSB | 914 | $2.17K | 0.00% | 00.0% | Unchanged |
| Orion Capital Management LLC | 1,000 | $2.38K | 0.00% | +1,000 | New |
| The PNC Financial Services Group, Inc. | 1,800 | $4.28K | 0.00% | +1,800 | New |
| Nisa Investment Advisors, LLC | 2,620 | $6.24K | 0.00% | −51−1.9% | Reduced |
| Signaturefd, LLC | 2,991 | $7.12K | 0.00% | +2,991 | New |
| China Universal Asset Management Co., Ltd. | 3,284 | $7.82K | 0.00% | +1,608+95.9% | Added |
| Tower Research Capital LLC (TRC) | 4,956 | $11.8K | 0.00% | +943+23.5% | Added |
| Natixis | 5,000 | $11.9K | 0.00% | −94,000−94.9% | Reduced |
| Metropolitan Life Insurance Co | 5,330 | $12.7K | 0.00% | 00.0% | Unchanged |
| Macroview Investment Management LLC | 5,750 | $13.7K | 0.02% | −2,038−26.2% | Reduced |
| Cutler Group LP | 6,220 | $14.0K | 0.00% | −80−1.3% | Reduced |
| Venturi Wealth Management, LLC | 6,600 | $15.7K | 0.00% | +2,600+65.0% | Added |
| Caption Management, LLC | 7,612 | $18.1K | 0.00% | +7,612 | New |
| Ameritas Investment Partners, Inc. | 8,033 | $19.1K | 0.00% | 00.0% | Unchanged |
| Diversified Trust Co | 10,000 | $23.8K | 0.00% | 00.0% | Unchanged |
| Auour Investments LLC | 17,000 | $25.1K | 0.01% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,567 | $25.1K | 0.00% | +336+3.3% | Added |
| Clearwater Capital Advisors, LLC | 10,897 | $25.9K | 0.00% | −1,467−11.9% | Reduced |
| Commonwealth Equity Services, LLC | 11,040 | $26.0K | 0.00% | +11,040 | New |
| Aries Wealth Management | 18,000 | $26.3K | 0.01% | 00.0% | Unchanged |
| Sawtooth Solutions, LLC | 11,294 | $26.9K | 0.00% | +11,294 | New |
| Bleakley Financial Group, LLC | 11,294 | $26.9K | 0.00% | +11,294 | New |
| Public Employees Retirement Association of Colorado | 11,210 | $27.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 11,835 | $28.0K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 12,029 | $28.6K | 0.00% | +12,029 | New |
| Royal Bank of Canada | 13,602 | $32.0K | 0.00% | +6,191+83.5% | Added |
| GTS Securities LLC | 13,505 | $32.1K | 0.00% | +13,505 | New |
| Pictet Asset Management Holding SA | 13,692 | $32.6K | 0.00% | +13,692 | New |
| AQR Capital Management LLC | 15,031 | $35.8K | 0.00% | −4,676−23.7% | Reduced |
| Walleye Trading LLC | 15,053 | $35.8K | 0.00% | +15,053 | New |
| Virtus ETF Advisers LLC | 16,156 | $38.5K | 0.02% | −1,612−9.1% | Reduced |
| Vontobel Holding Ltd. | 17,000 | $40.5K | 0.00% | −18,865−52.6% | Reduced |
| Russell Investments Group, Ltd. | 18,300 | $43.6K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 18,663 | $44.4K | 0.00% | +1,359+7.9% | Added |
| PFG Investments, LLC | 19,500 | $46.4K | 0.01% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 21,005 | $50.0K | 0.00% | +50.0% | Added |
| ProShare Advisors LLC | 21,017 | $50.0K | 0.00% | +90+0.4% | Added |
| Corton Capital Inc. | 23,245 | $55.3K | 0.03% | −42,527−64.7% | Reduced |
| Kestra Advisory Services, LLC | 23,631 | $56.2K | 0.00% | −7,750−24.7% | Reduced |
| Arete Wealth Advisors, LLC | 24,900 | $59.3K | 0.01% | +12,400+99.2% | Added |
| Teacher Retirement System of Texas | 28,958 | $69.0K | 0.00% | +1,598+5.8% | Added |
| Arizona State Retirement System | 29,134 | $69.3K | 0.00% | +804+2.8% | Added |
| State Board of Administration of Florida Retirement System | 29,158 | $69.4K | 0.00% | +150+0.5% | Added |
| Jane Street Group, LLC | 29,400 | $70.0K | 0.00% | −50,433−63.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 30,593 | $72.8K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 39,105 | $93.1K | 0.00% | +515+1.3% | Added |
| Manufacturers Life Insurance Company, The | 39,936 | $95.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 40,532 | $96.5K | 0.00% | +1,740+4.5% | Added |
| Oppenheimer & Co Inc | 41,583 | $99.0K | 0.00% | +2,764+7.1% | Added |
| Great West Life Assurance Co | 42,609 | $101.0K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 43,358 | $103.2K | 0.00% | +2,262+5.5% | Added |
| Ironwood Investment Management LLC | 45,419 | $108.1K | 0.07% | −1,542−3.3% | Reduced |
| E Fund Management Co., Ltd. | 48,095 | $114.0K | 0.01% | +6,514+15.7% | Added |
| American International Group, Inc. | 48,546 | $115.5K | 0.00% | +1,726+3.7% | Added |
| HarbourVest Partners LLC | 49,363 | $117.5K | 0.04% | 00.0% | Unchanged |
| Edgewood Management LLC | 50,000 | $119.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 50,400 | $120.0K | 0.01% | +50,400 | New |
| MetLife Investment Management | 51,439 | $122.4K | 0.00% | 00.0% | Unchanged |
| Clear Creek Financial Management, LLC | 51,450 | $122.5K | 0.02% | −2,750−5.1% | Reduced |
| Principal Financial Group Inc | 53,943 | $128.4K | 0.00% | +8,738+19.3% | Added |
| Deutsche Bank AG | 55,028 | $131.0K | 0.00% | +6,577+13.6% | Added |
| Verition Fund Management LLC | 62,102 | $147.8K | 0.00% | +62,102 | New |
| Simplex Trading, LLC | 64,201 | $152.0K | 0.01% | +3,181+5.2% | Added |
| Knott David M Jr | 70,000 | $167.0K | 0.07% | −400,000−85.1% | Reduced |
| Parallax Volatility Advisers, L.P. | 73,519 | $175.0K | 0.01% | −61,382−45.5% | Reduced |
| Aigen Investment Management, LP | 75,241 | $179.1K | 0.03% | +64,128+577.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 83,226 | $198.1K | 0.00% | +3,782+4.8% | Added |
| Janney Montgomery Scott LLC | 84,885 | $202.0K | 0.00% | −5,400−6.0% | Reduced |
| Legal & General Group Plc | 85,689 | $203.9K | 0.00% | −958−1.1% | Reduced |
| Tudor Investment Corp Et Al | 87,153 | $207.4K | 0.00% | +87,153 | New |
| Dynamic Technology Lab Private Ltd | 87,206 | $208.0K | 0.02% | +43,575+99.9% | Added |
| UBS Asset Management Americas Inc | 94,095 | $223.9K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 101,751 | $242.2K | 0.00% | +101,751 | New |
| California State Teachers Retirement System | 111,900 | $266.3K | 0.00% | −9,209−7.6% | Reduced |
| Dark Forest Capital Management LP | 117,498 | $279.6K | 0.02% | +117,498 | New |
| LPL Financial LLC | 123,950 | $295.0K | 0.00% | +8,892+7.7% | Added |
| Alliancebernstein L.P. | 127,660 | $303.8K | 0.00% | +23,560+22.6% | Added |
| Harvard Management Co Inc | 131,847 | $314.0K | 0.04% | 00.0% | Unchanged |
| Rhumbline Advisers | 136,567 | $325.0K | 0.00% | +1,767+1.3% | Added |
| Credit Suisse AG | 137,376 | $327.0K | 0.00% | −33,406−19.6% | Reduced |
| JPMorgan Chase & Co | 143,656 | $341.9K | 0.00% | +3,657+2.6% | Added |
| XTX Topco Ltd | 150,097 | $357.2K | 0.06% | +150,097 | New |
| Profund Advisors LLC | 155,798 | $370.8K | 0.02% | +16,549+11.9% | Added |
| Qube Research & Technologies Ltd | 165,542 | $394.0K | 0.00% | +165,542 | New |
| UBS Group AG | 166,137 | $395.4K | 0.00% | +92,906+126.9% | Added |
| Citadel Advisors LLC | 187,872 | $447.1K | 0.00% | +146,099+349.7% | Added |
| Wells Fargo & Company | 193,284 | $460.0K | 0.00% | +21,476+12.5% | Added |
| Advisor Group Holdings, Inc. | 194,332 | $462.4K | 0.00% | +5,151+2.7% | Added |
| Woodline Partners LP | 200,000 | $476.0K | 0.01% | −43,595−17.9% | Reduced |
| Graham Capital Management, L.P. | 206,838 | $492.3K | 0.01% | +181,957+731.3% | Added |