How many institutional investors hold NGG?

3 tracked institutional investors disclosed a position in NGG (NATIONAL GRID PLC) in their most recent 13F filing.

Who is the largest institutional holder of NGG?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in NGG, valued at $70M.

Did institutional ownership of NGG increase or decrease?

Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited NGG.

Where does this NGG ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

NGG — NATIONAL GRID PLC

Name: NATIONAL GRID PLC (NGG) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About NATIONAL GRID PLC (NGG)

NATIONAL GRID PLC (NGG) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $70M. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in NGG

/100

Mixed Activity

Added / Increased0

Reduced0

Exited0

No recent activity recorded.

Crowded Trade Score™

How many top investors track NGG

/100

Emerging Interest

3investors

A small number of top investors own this.

UndiscoveredCrowded

151015+

NGG Ownership Composition

How NATIONAL GRID PLC is held across tracked investor types, based on reported 13F positions.

Dominant Type

Other

83% of tracked value

Institutions

tracked investors

Total Reported

$93.8M

combined 13F value

Other82.5%
Hedge Funds17.5%

Other(2)

82.5%

Hedge Funds(1)

17.5%

Tracked investors reporting NGG

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	829.3K	$70.2M	0.01%	Mar 31, 2026
Steve Cohen	Point72 Asset Management	194.1K	$16.4M	0.02%	Mar 31, 2026
Izzy Englander	Millennium Management	85.7K	$7.3M	0.00%	Mar 31, 2026

Ken GriffinMar 31, 2026
Citadel Advisors
Shares
829.3K
Value
$70.2M
% Portfolio
0.01%
Steve CohenMar 31, 2026
Point72 Asset Management
Shares
194.1K
Value
$16.4M
% Portfolio
0.02%
Izzy EnglanderMar 31, 2026
Millennium Management
Shares
85.7K
Value
$7.3M
% Portfolio
0.00%

Recent activity

Investor	Action	Δ %	Current value	Filing date
No recent activity.

No recent activity.

Frequently asked questions

How many institutional investors hold NGG?: 3 tracked institutional investors disclosed a position in NGG (NATIONAL GRID PLC) in their most recent 13F filing.
Who is the largest institutional holder of NGG?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in NGG, valued at $70M.
Did institutional ownership of NGG increase or decrease?: Across recent 13F filings, tracked investors recorded 0 new positions, 0 increased, 0 reduced, and 0 fully exited NGG.
Where does this NGG ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.