DOSSIER · 13F Holders · Q2 2026
QUBX

INVESTMENT MANAGERS SER TR I

5 institutions still hold INVESTMENT MANAGERS SER TR I as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 46152A734·5 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$2M
visible holders
Holders
5
filers reporting
Concentration
70.87%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported QUBX in Q2 2026. CITADEL ADVISORS LLC leads at 70.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
CITADEL ADVISORS LLC
CIK 0001423053
$2M153K0.00%Q2 2026
02
Belvedere Trading LLC
CIK 0001632341
$269K25K0.00%Q2 2026
03
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$215K20K0.00%Q2 2026
04
Optiver Holding B.V.
CIK 0001859606· Market maker
$107K10K0.00%Q2 2026
05
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$93K12K0.00%Q1 2026