DOSSIER · 13F Holders · Q1 2026
CPXR

TIDAL TRUST III

6 institutions still hold TIDAL TRUST III as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 45259A688·6 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$3M
visible holders
Holders
6
filers reporting
Concentration
33.44%
FLOW TRADERS U.S. LLC #1
top holder share
AI Holders Summary · Q1 2026

6 institutions reported CPXR in Q1 2026. FLOW TRADERS U.S. LLC leads at 33.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
FLOW TRADERS U.S. LLC
CIK 0001466697· Market maker
$880K35K0.03%Q1 2026
02
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$616K21K0.00%Q2 2026
03
CITADEL ADVISORS LLC
CIK 0001423053
$599K21K0.00%Q2 2026
04
Belvedere Trading LLC
CIK 0001632341
$308K11K0.00%Q2 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$228K8K0.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025