DOSSIER · 13F Holders · Q3 2026
MLPR

UBS AG LONDON BRANCH

2 institutions still hold UBS AG LONDON BRANCH as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 90269A278·2 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$446K
visible holders
Holders
2
filers reporting
Concentration
100.00%
JANE STREET GROUP, LLC #1
top holder share
AI Holders Summary · Q3 2026

2 institutions reported MLPR in Q3 2026. JANE STREET GROUP, 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
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$446K6K0.00%Q3 2026
02
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025