DOSSIER · 13F Holders · Q3 2026

COMPASS PATHWAYS PLC

5 institutions still hold COMPASS PATHWAYS PLC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 20451W901·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$8M
visible holders
Holders
5
filers reporting
Concentration
42.11%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported COMPASS PATHWAYS PLC in Q3 2026. SIMPLEX TRADING, LLC leads at 42.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$3M261K0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$3M230K0.00%Q3 2026
03
Blue Owl Capital Holdings LP
CIK 0001858703
$888K800K0.16%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$713K55K0.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025