DOSSIER · 13F Holders · Q1 2026

LOMA NEGRA C I A S A MTN

3 institutions still hold LOMA NEGRA C I A S A MTN as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 54150E904·3 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$714K
visible holders
Holders
3
filers reporting
Concentration
78.42%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q1 2026

3 institutions reported LOMA NEGRA C I A S A MTN in Q1 2026. GROUP ONE TRADING LLC leads at 78.4% 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
$560K51K0.00%Q1 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$154K14K0.00%Q1 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025