Synlogic, Inc.
SYBX- Exchange
- OTC
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001527599
No open-market purchases or sales by Synlogic, Inc. insiders were filed in the last 90 days; 1 institution reported holding it in 13F filings for Q2 2026, worth $16.7K in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Synlogic, 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
- 69
- +10 vs. Q2 2021
- Shares held
- 43.9M
- +14.5M (+49.5%) vs. Q2 2021
- Total value
- $133.9M
- +$19.7M (+17.3%) vs. Q2 2021
- New holders
- 14
- 18 more added
- Sold out
- 4
- 20 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SYBX 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 | 1 | $16.7K |
| Q1 2026 | 2 | $14.5K |
| Q4 2025 | 25 | $7.71M |
| Q3 2025 | 23 | $11.1M |
| Q2 2025 | 19 | $8.60M |
| Q1 2025 | 18 | $8.41M |
| Q4 2024 | 18 | $9.46M |
| Q3 2024 | 17 | $10.2M |
| Q2 2024 | 17 | $10.4M |
| Q1 2024 | 17 | $12.4M |
| Q4 2023 | 24 | $18.2M |
| Q3 2023 | 28 | $7.34M |
| Q2 2023 | 45 | $13.9M |
| Q1 2023 | 51 | $21.9M |
| Q4 2022 | 51 | $25.8M |
| Q3 2022 | 52 | $37.8M |
| Q2 2022 | 51 | $46.9M |
| Q1 2022 | 51 | $102.4M |
| Q4 2021 | 62 | $104.8M |
| Q3 2021 | 69 | $133.9M |
| Q2 2021 | 60 | $114.6M |
| Q1 2021 | 55 | $65.8M |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Synlogic, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 19 | $0 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 121 | $0 | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 354 | $1.00K | 0.00% | −640−64.4% | Reduced |
| Captrust Financial Advisors | 239 | $1.00K | 0.00% | −896−78.9% | Reduced |
| Wells Fargo & Company | 215 | $1.00K | 0.00% | −14−6.1% | Reduced |
| BNP Paribas Arbitrage, SA | 502 | $1.53K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 800 | $2.00K | 0.00% | 00.0% | Unchanged |
| Total Clarity Wealth Management, Inc. | 1,000 | $3.00K | 0.00% | +1,000 | New |
| Harbour Investments, Inc. | 1,690 | $5.00K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 1,424 | $5.00K | 0.00% | +908+176.0% | Added |
| Tower Research Capital LLC (TRC) | 2,271 | $7.00K | 0.00% | +2,172+2,193.9% | Added |
| UBS Group AG | 3,908 | $12.0K | 0.00% | −878−18.3% | Reduced |
| Advisor Group Holdings, Inc. | 4,868 | $15.0K | 0.00% | +2,663+120.8% | Added |
| Evoke Wealth, LLC | 5,591 | $17.0K | 0.00% | 00.0% | Unchanged |
| Endurance Wealth Management, Inc. | 4,900 | $18.0K | 0.00% | 00.0% | Unchanged |
| Bank Julius Baer & Co. Ltd, Zurich | 8,000 | $24.0K | 0.00% | +31+0.4% | Added |
| Acadian Asset Management LLC | 8,664 | $25.0K | 0.00% | +2,676+44.7% | Added |
| Barclays PLC | 8,374 | $26.0K | 0.00% | +3,397+68.3% | Added |
| Group One Trading, L.P. | 9,276 | $28.0K | 0.00% | −1,600−14.7% | Reduced |
| Soundmark Wealth Management, LLC | 10,000 | $31.0K | 0.01% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 11,000 | $34.0K | 0.00% | −12,500−53.2% | Reduced |
| Raymond James & Associates | 11,000 | $34.0K | 0.00% | +11,000 | New |
| Citadel Advisors LLC | 12,029 | $36.0K | 0.00% | −13,804−53.4% | Reduced |
| XTX Topco Ltd | 13,289 | $41.0K | 0.01% | +13,289 | New |
| Envestnet Asset Management Inc | 15,116 | $46.0K | 0.00% | +15,116 | New |
| Parametric Portfolio Associates LLC | 26,452 | $81.0K | 0.00% | −896−3.3% | Reduced |
| Virtu Financial LLC | 27,559 | $84.0K | 0.01% | −28,748−51.1% | Reduced |
| Magnetar Financial LLC | 32,881 | $100.0K | 0.00% | +32,881 | New |
| Squarepoint Ops LLC | 38,116 | $116.0K | 0.00% | −3,483−8.4% | Reduced |
| Susquehanna International Group, LLP | 49,587 | $151.0K | 0.00% | +30,445+159.0% | Added |
| Archford Capital Strategies, LLC | 50,000 | $153.0K | 0.04% | 00.0% | Unchanged |
| Caas Capital Management LP | 50,000 | $153.0K | 0.01% | +50,000 | New |
| Suvretta Capital Management, LLC | 60,000 | $183.0K | 0.00% | +60,000 | New |
| Northern Trust Corp | 66,935 | $204.0K | 0.00% | −1,930−2.8% | Reduced |
| Bank of New York Mellon Corp | 68,580 | $209.0K | 0.00% | 00.0% | Unchanged |
| Nan Fung Group Holdings Ltd | 68,634 | $209.0K | 0.07% | 00.0% | Unchanged |
| Morgan Stanley | 76,157 | $232.0K | 0.00% | +56,909+295.7% | Added |
| Laurion Capital Management LP | 80,100 | $244.0K | 0.00% | +80,100 | New |
| State Street Corp | 86,256 | $263.0K | 0.00% | +11,200+14.9% | Added |
| Flagship Harbor Advisors, LLC | 69,000 | $268.0K | 0.03% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 95,991 | $293.0K | 0.00% | −19,569−16.9% | Reduced |
| Walleye Capital LLC | 98,500 | $300.0K | 0.01% | +98,500 | New |
| Franklin Resources Inc | 101,700 | $310.0K | 0.00% | +101,700 | New |
| Millennium Management LLC | 101,826 | $311.0K | 0.00% | +24,371+31.5% | Added |
| Boothbay Fund Management, LLC | 144,452 | $441.0K | 0.02% | −60,765−29.6% | Reduced |
| Monashee Investment Management LLC | 150,000 | $458.0K | 0.08% | +150,000 | New |
| Gilder Gagnon Howe & Co LLC | 165,909 | $506.0K | 0.00% | −1,152,016−87.4% | Reduced |
| Bridgeway Capital Management, LLC | 180,000 | $549.0K | 0.01% | −73,000−28.9% | Reduced |
| Renaissance Technologies LLC | 188,672 | $575.0K | 0.00% | −75,419−28.6% | Reduced |
| ABG Innovation Capital Partners III GP Ltd | 205,906 | $628.0K | 26.09% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 308,507 | $940.0K | 0.00% | +51,446+20.0% | Added |
| BlackRock Inc. | 372,959 | $1.14M | 0.00% | +5,997+1.6% | Added |
| Two Sigma Advisers, LP | 402,900 | $1.23M | 0.00% | −284,900−41.4% | Reduced |
| Maven Securities LTD | 416,943 | $1.27M | 0.15% | +316,943+316.9% | Added |
| Two Sigma Investments, LP | 447,650 | $1.36M | 0.00% | −219,923−32.9% | Reduced |
| Royce & Associates LP | 484,041 | $1.48M | 0.01% | 00.0% | Unchanged |
| LMR Partners LLP | 500,000 | $1.52M | 0.02% | +200,000+66.7% | Added |
| Sofinnova Investments, Inc. | 574,972 | $1.75M | 0.11% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 713,889 | $2.18M | 0.00% | −238,946−25.1% | Reduced |
| Ikarian Capital, LLC | 788,818 | $2.41M | 0.55% | −59,536−7.0% | Reduced |
| Stonepine Capital Management, LLC | 1,000,000 | $3.05M | 1.39% | +1,000,000 | New |
| Logos Global Management LP | 1,500,000 | $4.58M | 0.33% | +1,500,000 | New |
| Alyeska Investment Group, L.P. | 2,056,293 | $6.27M | 0.08% | +1,256,293+157.0% | Added |
| Vanguard Group Inc | 2,219,686 | $6.77M | 0.00% | +492,315+28.5% | Added |
| Atlas Venture Associates IX, LLC | 2,651,963 | $8.09M | 2.69% | 00.0% | Unchanged |
| NEA Management Company, LLC | 4,229,410 | $12.9M | 0.16% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 6,029,995 | $18.4M | 0.20% | +2,333,333+63.1% | Added |
| Ra Capital Management, L.P. | 6,666,666 | $20.3M | 0.28% | +6,666,666 | New |
| FMR LLC | 10,106,301 | $30.8M | 0.00% | +2,251,068+28.7% | Added |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −17,418−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −14,741−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −788−100.0% | Sold out |
| QS Investors, LLC | – | – | – | – | Not filed |