Synlogic
SYBX
SYBX was delisted on the 20th of January, 2026.
18 hedge funds and large institutions have $8.41M invested in Synlogic in 2025 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 3 increasing their positions, 3 reducing their positions, and 0 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
0.14% more ownership
Funds ownership: 57.81% → 57.95% (+0.14%)
0% more funds holding
Funds holding: 18 → 18 (0)
0% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 3
11% less capital invested
Capital invested by funds: $9.46M → $8.41M (-$1.05M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$23.9K |
| 2 |
Renaissance Technologies
New York
|
+$1.63K |
| 3 |
SS
SBI Securities
Tokyo,
Japan
|
+$136 |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$3 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Geode Capital Management
Boston,
Massachusetts
|
-$3K |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$304 |
| 3 |
JP Morgan Chase
New York
|
-$1 |
SYBX Hedge Fund Activity: Q1 2025 in Review
18 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Synlogic (SYBX) for Q1 2025, worth a combined $8.41M — down 11% from $9.46M a quarter earlier.
Buyers outnumbered sellers: 1 fund opened new SYBX positions and 0 closed out — a net gain of 1 holder — while 3 added to existing stakes and 3 trimmed.
The largest buyer was Citadel Advisors, opening a new position worth an estimated $23.9K. The largest seller was Geode Capital Management, cutting an estimated $3K.
- 18 institutional investors held Synlogic (SYBX) as of Q1 2025, unchanged from Q4 2024.
- Funds reported $8.41M of Synlogic stock for Q1 2025, down 11% quarter-over-quarter.
- 1 fund opened new Synlogic positions in Q1 2025 and 0 closed out, a net change of +1 holder.
- The largest Synlogic buyer in Q1 2025 was Citadel Advisors, an estimated $23.9K added.
- The largest Synlogic seller in Q1 2025 was Geode Capital Management, an estimated $3K sold.
Based on aggregated 13F filings for Q1 2025.