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 |
|---|---|---|---|---|---|
| Flagship Pioneering Inc. | 23,117,045 | $131.1M | 5.09% | 00.0% | Unchanged |
| FMR LLC | 18,911,458 | $107.2M | 0.01% | +222,697+1.2% | Added |
| Federated Hermes, Inc. | 15,277,356 | $86.6M | 0.22% | −2,808,582−15.5% | Reduced |
| Janus Henderson Group PLC | 11,300,815 | $64.1M | 0.04% | +52,523+0.5% | Added |
| BlackRock Inc. | 6,249,086 | $35.4M | 0.00% | −209,888−3.2% | Reduced |
| Vanguard Group Inc | 5,853,136 | $33.2M | 0.00% | −239,801−3.9% | Reduced |
| State Street Corp | 3,768,309 | $21.4M | 0.00% | −795,830−17.4% | Reduced |
| Eversept Partners, LP | 2,536,665 | $14.4M | 1.29% | +335,666+15.3% | Added |
| Geode Capital Management, LLC | 1,635,509 | $9.27M | 0.00% | +45,114+2.8% | Added |
| Avoro Capital Advisors LLC | 1,295,000 | $7.34M | 0.11% | +1,295,000 | New |
| Handelsbanken Fonder AB | 800,000 | $4.54M | 0.03% | +800,000 | New |
| Kynam Capital Management, LP | 768,913 | $4.36M | 0.56% | −7,749−1.0% | Reduced |
| Northern Trust Corp | 740,674 | $4.20M | 0.00% | +10,224+1.4% | Added |
| Jennison Associates LLC | 664,734 | $3.77M | 0.00% | −3,707−0.6% | Reduced |
| Charles Schwab Investment Management Inc | 633,869 | $3.59M | 0.00% | −3,029−0.5% | Reduced |
| JPMorgan Chase & Co | 624,021 | $3.54M | 0.00% | +11,472+1.9% | Added |
| Lion Point Capital, LP | 596,803 | $3.38M | 1.87% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 584,072 | $3.31M | 0.00% | +1,528+0.3% | Added |
| Simplify Asset Management Inc. | 550,626 | $3.12M | 0.56% | +550,626 | New |
| Citadel Advisors LLC | 529,693 | $3.00M | 0.00% | +527,064+20,048.1% | Added |
| Hudson Bay Capital Management LP | 525,000 | $2.98M | 0.03% | −55,000−9.5% | Reduced |
| Millennium Management LLC | 408,480 | $2.32M | 0.00% | +203,008+98.8% | Added |
| Bank of America Corp | 407,197 | $2.31M | 0.00% | +46,992+13.0% | Added |
| Renaissance Technologies LLC | 398,200 | $2.26M | 0.00% | −153,300−27.8% | Reduced |
| Nuveen Asset Management, LLC | 369,695 | $2.10M | 0.00% | +65,308+21.5% | Added |
| Walleye Capital LLC | 362,324 | $2.05M | 0.04% | +354,162+4,339.2% | Added |
| Goldman Sachs Group Inc | 320,748 | $1.82M | 0.00% | −13,645−4.1% | Reduced |
| Knott David M Jr | 315,000 | $1.79M | 0.75% | +114,900+57.4% | Added |
| Susquehanna International Group, LLP | 294,446 | $1.67M | 0.00% | +161,372+121.3% | Added |
| Point72 Asset Management, L.P. | 292,800 | $1.66M | 0.01% | −406,800−58.1% | Reduced |
| Sit Investment Associates Inc | 262,325 | $1.49M | 0.04% | −2,675−1.0% | Reduced |
| Bank of New York Mellon Corp | 250,469 | $1.42M | 0.00% | +1,565+0.6% | Added |
| Rafferty Asset Management, LLC | 239,287 | $1.36M | 0.01% | −78,224−24.6% | Reduced |
| Silverarc Capital Management, LLC | 232,525 | $1.32M | 0.59% | −141,897−37.9% | Reduced |
| Swiss National Bank | 215,100 | $1.22M | 0.00% | −24,600−10.3% | Reduced |
| Citigroup Inc | 195,222 | $1.11M | 0.00% | +52,551+36.8% | Added |
| Morgan Stanley | 194,216 | $1.10M | 0.00% | −24,706−11.3% | Reduced |
| Harvard Management Co Inc | 131,847 | $747.6K | 0.08% | 00.0% | Unchanged |
| Credit Suisse AG | 122,790 | $696.2K | 0.00% | +270.0% | Added |
| Simplex Trading, LLC | 115,100 | $652.0K | 0.03% | +110,157+2,228.5% | Added |
| California State Teachers Retirement System | 113,758 | $645.0K | 0.00% | −578−0.5% | Reduced |
| UBS Group AG | 110,103 | $624.3K | 0.00% | −111,146−50.2% | Reduced |
| Barclays PLC | 110,060 | $624.0K | 0.00% | −66,609−37.7% | Reduced |
| Alliancebernstein L.P. | 104,100 | $590.2K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 102,281 | $580.0K | 0.00% | +5,327+5.5% | Added |
| Edgewood Management LLC | 100,000 | $567.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 95,670 | $542.4K | 0.00% | +2,769+3.0% | Added |
| BNP Paribas Arbitrage, SA | 95,539 | $541.7K | 0.00% | +33,812+54.8% | Added |
| Rhumbline Advisers | 94,302 | $535.0K | 0.00% | +4,689+5.2% | Added |
| UBS Asset Management Americas Inc | 94,095 | $533.5K | 0.00% | +11,732+14.2% | Added |
| State of Wisconsin Investment Board | 91,932 | $521.3K | 0.00% | −20,250−18.1% | Reduced |
| Atom Investors LP | 90,388 | $512.5K | 0.28% | −5,132−5.4% | Reduced |
| Advisory Research Inc | 73,553 | $417.0K | 0.07% | +73,553 | New |
| Tudor Investment Corp Et Al | 66,595 | $378.0K | 0.01% | +66,595 | New |
| Mirae Asset Global Investments Co., Ltd. | 62,240 | $352.9K | 0.00% | +8,985+16.9% | Added |
| Deutsche Bank AG | 61,213 | $347.1K | 0.00% | +13,729+28.9% | Added |
| Hennion & Walsh Asset Management, Inc. | 61,090 | $346.0K | 0.02% | −2,092−3.3% | Reduced |
| HRT Financial LP | 58,661 | $332.0K | 0.00% | +58,661 | New |
| Wells Fargo & Company | 54,923 | $311.4K | 0.00% | +53,661+4,252.1% | Added |
| HarbourVest Partners LLC | 49,363 | $279.9K | 0.09% | 00.0% | Unchanged |
| Ironwood Investment Management LLC | 47,796 | $271.0K | 0.17% | +31,964+201.9% | Added |
| Profund Advisors LLC | 44,859 | $254.4K | 0.02% | +44,859 | New |
| SG Americas Securities, LLC | 43,684 | $248.0K | 0.00% | +29,437+206.6% | Added |
| Legal & General Group Plc | 42,303 | $239.9K | 0.00% | +2,540+6.4% | Added |
| Jane Street Group, LLC | 39,580 | $224.4K | 0.00% | −5,209−11.6% | Reduced |
| MetLife Investment Management | 37,617 | $213.3K | 0.00% | +5,686+17.8% | Added |
| Principal Financial Group Inc | 37,192 | $210.9K | 0.00% | −4,461−10.7% | Reduced |
| Oppenheimer & Co Inc | 37,111 | $210.4K | 0.00% | +37,111 | New |
| Invesco Ltd. | 35,027 | $198.6K | 0.00% | +833+2.4% | Added |
| American International Group, Inc. | 34,006 | $192.8K | 0.00% | +676+2.0% | Added |
| New York State Common Retirement Fund | 32,570 | $184.7K | 0.00% | −16,500−33.6% | Reduced |
| Teacher Retirement System of Texas | 30,705 | $174.0K | 0.00% | +227+0.7% | Added |
| Group One Trading, L.P. | 30,094 | $170.6K | 0.01% | +2,883+10.6% | Added |
| State Board of Administration of Florida Retirement System | 29,008 | $164.5K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 28,880 | $163.8K | 0.00% | +872+3.1% | Added |
| Manufacturers Life Insurance Company, The | 28,627 | $162.3K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 27,589 | $156.4K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 27,091 | $154.0K | 0.00% | +22,878+543.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,010 | $136.1K | 0.00% | +6,734+39.0% | Added |
| Vontobel Holding Ltd. | 20,539 | $116.5K | 0.00% | +20,539 | New |
| PFG Investments, LLC | 20,500 | $116.2K | 0.02% | +20,500 | New |
| Venturi Wealth Management, LLC | 20,000 | $113.4K | 0.01% | +20,000 | New |
| Russell Investments Group, Ltd. | 18,300 | $103.8K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 16,930 | $96.0K | 0.00% | −2,441−12.6% | Reduced |
| Fox Run Management, L.L.C. | 16,448 | $93.3K | 0.03% | +16,448 | New |
| Virtus ETF Advisers LLC | 16,343 | $92.7K | 0.05% | −6,285−27.8% | Reduced |
| HighTower Advisors, LLC | 14,500 | $83.0K | 0.00% | +1,500+11.5% | Added |
| Pictet Asset Management SA | 13,692 | $77.6K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 13,585 | $77.0K | 0.01% | −3,082−18.5% | Reduced |
| Wolverine Trading, LLC | 13,480 | $72.0K | 0.00% | +13,480 | New |
| Clearwater Capital Advisors, LLC | 12,364 | $70.1K | 0.01% | 00.0% | Unchanged |
| Aries Wealth Management | 12,000 | $68.0K | 0.03% | +2,000+20.0% | Added |
| Nebula Research & Development LLC | 11,893 | $67.4K | 0.12% | +11,893 | New |
| Public Employees Retirement Association of Colorado | 11,210 | $64.0K | 0.00% | 00.0% | Unchanged |
| Victory Capital Management Inc | 10,469 | $59.4K | 0.00% | −92−0.9% | Reduced |
| Walleye Trading LLC | 10,198 | $57.8K | 0.00% | +8,841+651.5% | Added |
| Cubist Systematic Strategies, LLC | 9,768 | $55.4K | 0.00% | −56,432−85.2% | Reduced |
| Amalgamated Bank | 9,768 | $55.0K | 0.00% | −1,476−13.1% | Reduced |
| Macroview Investment Management LLC | 5,750 | $32.6K | 0.05% | +5,750 | New |
| Ameritas Investment Partners, Inc. | 5,457 | $30.9K | 0.00% | 00.0% | Unchanged |