DOSSIER · 13F Holders · Q3 2026
CLSX

INVESTMENT MANAGERS SER TR I

6 institutions still hold INVESTMENT MANAGERS SER TR I as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 46092D590·6 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$3M
visible holders
Holders
6
filers reporting
Concentration
72.21%
CITADEL ADVISORS LLC #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported CLSX in Q3 2026. CITADEL ADVISORS LLC leads at 72.2% 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
$2M117K0.00%Q2 2026
02
Belvedere Trading LLC
CIK 0001632341
$576K47K0.00%Q3 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$158K8K0.00%Q2 2026
04
Summit Financial, LLC
CIK 0001765536
$145K12K0.00%Q3 2026
05
SIMPLEX TRADING, LLC
CIK 0001488542
$47K4K0.00%Q3 2026
06
GROUP ONE TRADING LLC
CIK 0000932540
$643520.00%Q3 2026