DOSSIER · 13F Holders · Q2 2026
RKLZ

Defiance Daily Target 2X Short RKLB ETF

10 institutions still hold Defiance Daily Target 2X Short RKLB ETF as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88636W171·10 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$3M
visible holders
Holders
10
filers reporting
Concentration
25.19%
Jump Financial, LLC #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported RKLZ in Q2 2026. Jump Financial, LLC leads at 25.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Jump Financial, LLC
CIK 0001831577
$741K294K0.01%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$595K236K0.00%Q2 2026
03
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$555K220K0.00%Q2 2026
04
StoneX Group Inc.
CIK 0000913760
$399K130K0.02%Q2 2026
05
TWO SIGMA SECURITIES, LLC
CIK 0001450144· Market maker
$268K107K0.02%Q2 2026
06
CITADEL ADVISORS LLC
CIK 0001423053
$125K50K0.00%Q2 2026
07
IMC-Chicago, LLC
CIK 0001452861· Market maker
$94K37K0.00%Q2 2026
08
XTX Topco Ltd
CIK 0001828301
$85K34K0.00%Q2 2026
09
Ground Swell Capital, LLC
CIK 0001534450
$51K20K0.06%Q2 2026
10
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$27K11K0.00%Q2 2026