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, Q4 2023
Institutional positions in Synlogic, Inc. as of Dec 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
- 24
- −3 vs. Q3 2023
- Shares held
- 4.72M
- +2.22M (+88.7%) vs. Q3 2023
- Total value
- $18.2M
- +$11.3M (+165.3%) vs. Q3 2023
- New holders
- 4
- 9 more added
- Sold out
- 7
- 5 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Synlogic, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of America Corp | 4 | $15 | 0.00% | +4 | New |
| JPMorgan Chase & Co | 8 | $31 | 0.00% | +2+33.3% | Added |
| ICA Group Wealth Management, LLC | 13 | $50 | 0.00% | +13 | New |
| Rhumbline Advisers | 45 | $173 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 53 | $204 | 0.00% | +17+47.2% | Added |
| Acadian Asset Management LLC | 475 | $1.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 592 | $2.00K | 0.00% | −305−34.0% | Reduced |
| Morgan Stanley | 2,125 | $8.18K | 0.00% | +493+30.2% | Added |
| Ensign Peak Advisors, Inc | 2,207 | $8.50K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,888 | $11.1K | 0.00% | +2,216+329.8% | Added |
| State Street Corp | 10,282 | $39.6K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 10,860 | $41.8K | 0.00% | +10,860 | New |
| ABG Innovation Capital Partners III GP Ltd | 13,727 | $52.8K | 5.87% | 00.0% | Unchanged |
| BlackRock Inc. | 19,757 | $76.1K | 0.00% | −248−1.2% | Reduced |
| Ikarian Capital, LLC | 20,448 | $78.7K | 0.02% | 00.0% | Unchanged |
| Fiduciary Trust Co | 22,352 | $86.1K | 0.00% | −10.0% | Reduced |
| Harbor Capital Advisors, Inc. | 30,685 | $118.1K | 0.02% | +9,282+43.4% | Added |
| Geode Capital Management, LLC | 44,423 | $171.0K | 0.00% | +14,097+46.5% | Added |
| Renaissance Technologies LLC | 54,630 | $210.0K | 0.00% | +54,630 | New |
| Alyeska Investment Group, L.P. | 55,872 | $215.1K | 0.00% | −112,162−66.7% | Reduced |
| Vanguard Group Inc | 188,433 | $725.5K | 0.00% | +38,862+26.0% | Added |
| FMR LLC | 258,644 | $995.8K | 0.00% | −388,202−60.0% | Reduced |
| Armistice Capital, LLC | 1,055,000 | $4.06M | 0.11% | +455,126+75.9% | Added |
| NEA Management Company, LLC | 2,922,774 | $11.3M | 0.75% | +2,640,845+936.7% | Added |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −401,998−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −40,548−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −38,331−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −12,401−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −11,012−100.0% | Sold out |
| Advisor Group Holdings, Inc. | 0 | $0 | 0.00% | −3,245−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −466−100.0% | Sold out |
| Atlas Venture Associates IX, LLC | – | – | – | – | Not filed |