DOSSIER · 13F Holders · Q1 2026
IREX

INVESTMENT MANAGERS SER TR I

5 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 46152A494·5 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$6M
visible holders
Holders
5
filers reporting
Concentration
58.93%
UBS Group AG #1
top holder share
AI Holders Summary · Q1 2026

5 institutions reported IREX in Q1 2026. UBS Group AG leads at 58.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
UBS Group AG
CIK 0001610520
$3M189K0.00%Q1 2026
02
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$2M92K0.00%Q1 2026
03
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$363K21K0.00%Q1 2026
04
Belvedere Trading LLC
CIK 0001632341
$320K31K0.00%Q1 2026
05
Tower Research Capital LLC (TRC)
CIK 0001533421
$936540.00%Q1 2026