DOSSIER · 13F Holders · Q1 2026

INVESTMENT MANAGERS SER TR I

2 institutions still hold INVESTMENT MANAGERS SER TR I as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 46152A904·2 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$1M
visible holders
Holders
2
filers reporting
Concentration
53.20%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

2 institutions reported INVESTMENT MANAGERS SER TR I in Q1 2026. GROUP ONE TRADING LLC leads at 53.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$759K45K0.00%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$668K39K0.00%Q1 2026