DOSSIER · 13F Holders · Q2 2026
SYBX

SYNLOGIC INC

2 institutions still hold SYNLOGIC INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 87166L209·2 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$17K
visible holders
Holders
2
filers reporting
Concentration
100.00%
DRW Securities, LLC #1
top holder share
AI Holders Summary · Q2 2026

2 institutions reported SYBX in Q2 2026. DRW Securities, LLC leads at 100.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
DRW Securities, LLC
CIK 0001481986· Market maker
$17K24K0.00%Q2 2026
02
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at SYNLOGIC INC
Dooley Mary BethFlynn James PShea Richard PAwad AntoineHurter Patricia N.Barrett PeterBrennan AoifeJensen Michael Vangsted