DOSSIER · 13F Holders · Q2 2026

NATIONAL GRID PLC

2 institutions still hold NATIONAL GRID PLC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 636274300·2 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$399K
visible holders
Holders
2
filers reporting
Concentration
95.28%
KEYNOTE FINANCIAL SERVICES LLC #1
top holder share
AI Holders Summary · Q2 2026

2 institutions reported NATIONAL GRID PLC in Q2 2026. KEYNOTE FINANCIAL SERVICES LLC leads at 95.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
KEYNOTE FINANCIAL SERVICES LLC
CIK 0002026127
$380K5K0.18%Q2 2026
02
Byrne Asset Management LLC
CIK 0001911322
$19K2500.01%Q3 2026