DOSSIER · 13F Holders · Q3 2026

XPLR INFRASTRUCTURE LP

5 institutions still hold XPLR INFRASTRUCTURE LP as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 65341B956·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$25M
visible holders
Holders
5
filers reporting
Concentration
60.84%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported XPLR INFRASTRUCTURE LP in Q3 2026. GROUP ONE TRADING LLC leads at 60.8% 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
$15M1.5M0.02%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$6M612K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$3M301K0.00%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$322K31K0.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025