Synlogic
SYBX
SYBX was delisted on the 20th of January, 2026.
54 hedge funds and large institutions have $45.1M invested in Synlogic in 2019 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 16 increasing their positions, 11 reducing their positions, and 7 closing their positions.
114% more first-time investments, than exits
New positions opened: 15 | Existing positions closed: 7
45% more repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 11
17% more funds holding
Funds holding: 46 → 54 (+8)
1.26% less ownership
Funds ownership: 5.4% → 4.14% (-1.3%)
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
76% less capital invested
Capital invested by funds: $187M → $45.1M (-$142M)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $29K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
+$3.17M |
| 2 |
DCM
DAFNA Capital Management
Los Angeles,
California
|
+$2.09M |
| 3 |
Renaissance Technologies
New York
|
+$591K |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$569K |
| 5 |
BlackRock
New York
|
+$402K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
Aquilo Capital Management
San Francisco,
California
|
-$9.5M |
| 2 |
PA
Perceptive Advisors
New York
|
-$7.9M |
| 3 |
FM
Frazier Management
Seattle,
Washington
|
-$2.81M |
| 4 |
OAM
Oxford Asset Management
Oxford,
United Kingdom
|
-$585K |
| 5 |
MA
MYDA Advisors
Woodmere,
New York
|
-$455K |
SYBX Hedge Fund Activity: Q3 2019 in Review
54 of the 4,560 institutional investors tracked by Wall St. Rank reported a position in Synlogic (SYBX) for Q3 2019, worth a combined $45.1M — down 76% from $187M a quarter earlier.
Buyers outnumbered sellers: 15 funds opened new SYBX positions and 7 closed out — a net gain of 8 holders — while 16 added to existing stakes and 11 trimmed.
The largest buyer was Dimensional Fund Advisors, adding an estimated $3.17M. The largest seller was Aquilo Capital Management, exiting entirely with an estimated $9.5M sold.
- 54 institutional investors held Synlogic (SYBX) as of Q3 2019, up from 46 in Q2 2019.
- Funds reported $45.1M of Synlogic stock for Q3 2019, down 76% quarter-over-quarter.
- 15 funds opened new Synlogic positions in Q3 2019 and 7 closed out, a net change of +8 holders.
- The largest Synlogic buyer in Q3 2019 was Dimensional Fund Advisors, an estimated $3.17M added.
- The largest Synlogic seller in Q3 2019 was Aquilo Capital Management, an estimated $9.5M sold.
Based on aggregated 13F filings for Q3 2019.