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 2025
Institutional positions in Synlogic, Inc. as of Sep 30, 2025. 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
- 23
- +4 vs. Q2 2025
- Shares held
- 6.66M
- −116.6K (−1.7%) vs. Q2 2025
- Total value
- $11.1M
- +$2.51M (+29.2%) vs. Q2 2025
- New holders
- 7
- 3 more added
- Sold out
- 3
- 4 more reduced
Compare with Q2 2025: 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 2025
Shares, value and share of portfolio for each institution holding Synlogic, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 1 | $2 | 0.00% | +1 | New |
| Citigroup Inc | 1 | $2 | 0.00% | +1 | New |
| Wells Fargo & Company | 5 | $8 | 0.00% | +5 | New |
| Hilltop National Bank | 20 | $33 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 20 | $35 | 0.00% | +20 | New |
| BNP Paribas Arbitrage, SA | 24 | $40 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 64 | $107 | 0.00% | −5−7.2% | Reduced |
| SBI Securities Co., Ltd. | 103 | $172 | 0.00% | −6−5.5% | Reduced |
| Morgan Stanley | 1,095 | $1.83K | 0.00% | −30−2.7% | Reduced |
| FMR LLC | 5,323 | $9.00K | 0.00% | −160,678−96.8% | Reduced |
| State Street Corp | 10,176 | $17.2K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 11,173 | $18.9K | 0.00% | +11,173 | New |
| Northern Trust Corp | 19,469 | $32.5K | 0.00% | +19,469 | New |
| BlackRock, Inc. | 19,757 | $33.0K | 0.00% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 20,422 | $34.5K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 29,011 | $49.0K | 0.00% | +29,011 | New |
| Renaissance Technologies LLC | 39,510 | $65.9K | 0.00% | +15,700+65.9% | Added |
| Geode Capital Management, LLC | 67,665 | $114.4K | 0.00% | +1,427+2.2% | Added |
| Vanguard Group Inc | 196,461 | $332.0K | 0.00% | +13,459+7.4% | Added |
| NEA Management Company, LLC | 2,922,772 | $4.88M | 0.27% | 00.0% | Unchanged |
| Cable Car Capital LLC | 3,312,219 | $5.52M | 2.37% | 00.0% | Unchanged |
| Fiduciary Trust Co | 0 | $0 | 0.00% | −22,352−100.0% | Sold out |
| Rangeley Capital, LLC | 0 | $0 | 0.00% | −13,597−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −10,180−100.0% | Sold out |