DOSSIER · 13F Holders · Q2 2026

UNITED STS LIME & MINERALS I

2 institutions still hold UNITED STS LIME & MINERALS I as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 911922952·2 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$10K
visible holders
Holders
2
filers reporting
Concentration
100.00%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

2 institutions reported UNITED STS LIME & MINERALS I in Q2 2026. GROUP ONE TRADING LLC leads at 100.0% 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
$10K1000.00%Q2 2026
02
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025