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WILLIAM JOHN SEMPOLINSKI

Position in NGG — National Grid PLC

CIK 2149024 EASTON, MA

Position in NGG

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,137,970
+$20,404 QoQ
Shares Held
13,732
+4.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.73%
of 13F equity value
Holder Rank
#193
of 614 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in NGG Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Electric

Utilities · as of Jun 30, 2026

WILLIAM JOHN SEMPOLINSKI holds $1,631,787 across 3 Utilities - Regulated Electric names. NGG ranks #1 (69.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 NGG
National Grid PLC
This page
13,732 $1,137,970

All Filings in NGG

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,137,970 13,732
2026-03-31 $1,117,566 13,210
2025-12-31 $933,614 12,070