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 2023
Institutional positions in Synlogic, 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
- 28
- −16 vs. Q2 2023
- Shares held
- 2.68M
- +519.3K (+24.1%) vs. Q2 2023Converted for a 1-for-15 split
- Total value
- $7.34M
- −$6.57M (−47.2%) vs. Q2 2023
- New holders
- 4
- 7 more added
- Sold out
- 20
- 4 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 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 2023
Shares, value and share of portfolio for each institution holding Synlogic, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 646,846 | $1.82M | 0.00% | −29,303−4.3% | ReducedConverted for a 1-for-15 split |
| Armistice Capital, LLC | 599,874 | $1.69M | 0.05% | +599,874 | New |
| OrbiMed Advisors LLC | 401,998 | $1.13M | 0.03% | 00.0% | UnchangedConverted for a 1-for-15 split |
| NEA Management Company, LLC | 281,929 | $614.6K | 0.05% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Atlas Venture Associates IX, LLC | 176,798 | $496.8K | 4.23% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Alyeska Investment Group, L.P. | 168,034 | $472.2K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Vanguard Group Inc | 149,571 | $420.3K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| UBS Oconnor LLC | 40,548 | $113.9K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Sofinnova Investments, Inc. | 38,331 | $107.7K | 0.01% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Geode Capital Management, LLC | 30,326 | $85.2K | 0.00% | +3,659+13.7% | AddedConverted for a 1-for-15 split |
| Fiduciary Trust Co | 22,353 | $62.8K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Harbor Capital Advisors, Inc. | 21,403 | $60.1K | 0.01% | +2,029+10.5% | AddedConverted for a 1-for-15 split |
| Ikarian Capital, LLC | 20,448 | $57.5K | 0.02% | 00.0% | UnchangedConverted for a 1-for-15 split |
| BlackRock Inc. | 20,005 | $56.2K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| ABG Innovation Capital Partners III GP Ltd | 13,727 | $38.6K | 5.24% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Winton Group Ltd | 12,401 | $34.8K | 0.00% | +12,401 | New |
| Goldman Sachs Group Inc | 11,012 | $30.9K | 0.00% | +11,012 | New |
| State Street Corp | 10,282 | $28.9K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Advisor Group Holdings, Inc. | 3,245 | $9.11K | 0.00% | +1,129+53.4% | AddedConverted for a 1-for-15 split |
| Ensign Peak Advisors, Inc | 2,207 | $6.20K | 0.00% | 00.0% | UnchangedConverted for a 1-for-15 split |
| Morgan Stanley | 1,632 | $4.59K | 0.00% | +372+29.5% | AddedConverted for a 1-for-15 split |
| Royal Bank of Canada | 897 | $3.00K | 0.00% | −264−22.7% | ReducedConverted for a 1-for-15 split |
| Tower Research Capital LLC (TRC) | 672 | $1.89K | 0.00% | +90+15.5% | AddedConverted for a 1-for-15 split |
| The PNC Financial Services Group, Inc. | 466 | $1.31K | 0.00% | +466 | New |
| Acadian Asset Management LLC | 475 | $1.00K | 0.00% | −697−59.5% | ReducedConverted for a 1-for-15 split |
| Rhumbline Advisers | 45 | $126 | 0.00% | −0−0.6% | ReducedConverted for a 1-for-15 split |
| Wells Fargo & Company | 36 | $102 | 0.00% | +1+3.1% | AddedConverted for a 1-for-15 split |
| JPMorgan Chase & Co | 6 | $17 | 0.00% | +5+373.7% | AddedConverted for a 1-for-15 split |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −14,287−100.0% | Sold outConverted for a 1-for-15 split |
| Bridgeway Capital Management, LLC | 0 | $0 | 0.00% | −10,333−100.0% | Sold outConverted for a 1-for-15 split |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −8,740−100.0% | Sold outConverted for a 1-for-15 split |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −6,745−100.0% | Sold outConverted for a 1-for-15 split |
| Northern Trust Corp | 0 | $0 | 0.00% | −6,258−100.0% | Sold outConverted for a 1-for-15 split |
| Franklin Resources Inc | 0 | $0 | 0.00% | −5,200−100.0% | Sold outConverted for a 1-for-15 split |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −5,134−100.0% | Sold outConverted for a 1-for-15 split |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −4,957−100.0% | Sold outConverted for a 1-for-15 split |
| PVG Asset Management Corp | 0 | $0 | 0.00% | −4,564−100.0% | Sold outConverted for a 1-for-15 split |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −2,333−100.0% | Sold outConverted for a 1-for-15 split |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −2,259−100.0% | Sold outConverted for a 1-for-15 split |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −2,058−100.0% | Sold outConverted for a 1-for-15 split |
| LPL Financial LLC | 0 | $0 | 0.00% | −2,006−100.0% | Sold outConverted for a 1-for-15 split |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −1,667−100.0% | Sold outConverted for a 1-for-15 split |
| Clear Street LLC | 0 | $0 | 0.00% | −1,570−100.0% | Sold outConverted for a 1-for-15 split |
| Millennium Management LLC | 0 | $0 | 0.00% | −1,268−100.0% | Sold outConverted for a 1-for-15 split |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −1,153−100.0% | Sold outConverted for a 1-for-15 split |
| Soundmark Wealth Management, LLC | 0 | $0 | 0.00% | −911−100.0% | Sold outConverted for a 1-for-15 split |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −24−100.0% | Sold outConverted for a 1-for-15 split |
| ICA Group Wealth Management, LLC | 0 | $0 | 0.00% | −13−100.0% | Sold outConverted for a 1-for-15 split |
| Endurance Wealth Management, Inc. | – | – | – | – | Not filed |