DOSSIER · 13F Holders · Q1 2026
UUGRY

UNITED UTILITIES GROUP PLC SPO

4 institutions still hold UNITED UTILITIES GROUP PLC SPO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 91311E102·4 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$601K
visible holders
Holders
4
filers reporting
Concentration
70.24%
RHUMBLINE ADVISERS #1
top holder share
AI Holders Summary · Q1 2026

4 institutions reported UUGRY in Q1 2026. RHUMBLINE ADVISERS leads at 70.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
RHUMBLINE ADVISERS
CIK 0001115418
$422K12K0.00%Q1 2026
02
GAMMA Investing LLC
CIK 0002010235
$151K4K0.01%Q2 2026
03
Westside Investment Management, Inc.
CIK 0001538383
$23K6520.00%Q2 2026
04
Salomon & Ludwin, LLC
CIK 0001766156
$5K1580.00%Q2 2026