| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Radoff Bradley Louis | 4.4% | $894,400 | 520,000 | Radoff Bradley Louis | 30 Sep 2025 |
As of 30 Sep 2025, 23 institutional investors reported holding 6,655,293 shares of SYNLOGIC, INC. - Common Stock, par value $0.001 per share (SYBX). This represents 56% of the company’s total 11,818,182 outstanding shares.
The largest institutional shareholders of SYNLOGIC, INC. - Common Stock, par value $0.001 per share (SYBX) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Cable Car Capital, LP | 28% | 3,312,219 | 0% | 2.4% | $5,524,781 |
| NEA Management Company, LLC | 25% | 2,922,772 | 0% | 0.27% | $4,875,184 |
| VANGUARD GROUP INC | 1.7% | 196,461 | +7.4% | 0% | $332,019 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.57% | 67,665 | +2.2% | 0% | $114,362 |
| RENAISSANCE TECHNOLOGIES LLC | 0.33% | 39,510 | +66% | 0% | $65,904 |
| CITADEL ADVISORS LLC | 0.25% | 29,011 | 0% | $49,029 | |
| Ikarian Capital, LLC | 0.17% | 20,422 | 0% | 0.01% | $34,513 |
| BlackRock, Inc. | 0.17% | 19,757 | 0% | 0% | $32,955 |
| NORTHERN TRUST CORP | 0.16% | 19,469 | 0% | $32,474 | |
| XTX Topco Ltd | 0.09% | 11,173 | 0% | $18,882 | |
| STATE STREET CORP | 0.09% | 10,176 | 0% | 0% | $17,197 |
| FMR LLC | 0.05% | 5,323 | -97% | 0% | $8,996 |
| MORGAN STANLEY | 0.01% | 1,095 | -2.7% | 0% | $1,826 |
| SBI Securities Co., Ltd. | 0% | 103 | -5.5% | 0% | $172 |
| BANK OF AMERICA CORP /DE/ | 0% | 64 | -7.2% | 0% | $107 |
| BNP PARIBAS FINANCIAL MARKETS | 0% | 24 | 0% | 0% | $40 |
| Hilltop National Bank | 0% | 20 | 0% | 0% | $33 |
| JONES FINANCIAL COMPANIES LLLP | 0% | 20 | 0% | $35 | |
| WELLS FARGO & COMPANY/MN | 0% | 5 | 0% | $8 | |
| DANSKE BANK A/S | 0% | 1 | 0% | 0% | $2 |
| CITIGROUP INC | 0% | 1 | 0% | $2 | |
| JPMORGAN CHASE & CO | 0% | 1 | 0% | 0% | $2 |
| BARCLAYS PLC | 0% | 1 | 0% | $2 | |
| Rangeley Capital, LLC | 0% | 0 | -100% | $0 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0% | 0 | -100% | $0 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,053 | $1,179 | +$1,157 | $1.11 | 2 |
| 2025 Q3 | 6,655,293 | $11,108,525 | -$178,424 | $1.69 | 23 |
| 2025 Q2 | 6,771,875 | $8,600,285 | -$10,063 | $1.27 | 19 |
| 2025 Q1 | 6,780,519 | $8,407,849 | +$20,324 | $1.24 | 18 |
| 2024 Q4 | 6,764,147 | $9,456,349 | -$88,239 | $1.39 | 17 |
| 2024 Q3 | 6,826,001 | $10,170,748 | -$168,603 | $1.49 | 16 |
| 2024 Q2 | 6,939,069 | $10,408,615 | +$22,340 | $1.50 | 17 |
| 2024 Q1 | 6,924,167 | $12,394,270 | +$1,589,732 | $1.79 | 16 |
| 2023 Q4 | 4,715,822 | $18,155,320 | -$1,046,769 | $3.85 | 23 |
| 2023 Q3 | 2,378,844 | $6,684,705 | +$6,627,246 | $2.81 | 25 |