Stock Ownership/NGG

NATIONAL GRID PLC (NGG): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in NGG · Utilities. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$295.3M
Across holders
Last Price
$80.42
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity9 increased10 reduced0 exited
Institutional Holders of NGG
↗
21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund1.89M$157.0M53.2%0.2%Reduced$-22.7MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund689K$57.1M19.3%0.0%Added+$22.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund191K$15.8M5.4%0.0%Added+$8.7MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund156K$12.9M4.4%0.0%Reduced+$11.3MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund153K$12.7M4.3%0.0%Added+$12.4MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund129K$10.7M3.6%0.0%Reduced$-163KQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund108K$9.0M3.0%0.0%Reduced$-7.1MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund62K$5.1M1.7%0.0%Added+$4.8MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund40K$3.3M1.1%0.0%Added+$1.5MQ2 2026
Schonfeld Strategic Advisors LLC
CIK 0001665241
Hedge Fund27K$2.2M0.8%0.0%Reduced$-1.2MQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$157.0M· 53.2% of total· 0.2% port· 1.89M sh· $-22.7M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$57.1M· 19.3% of total· 0.0% port· 689K sh· +$22.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$15.8M· 5.4% of total· 0.0% port· 191K sh· +$8.7M QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$12.9M· 4.4% of total· 0.0% port· 156K sh· +$11.3M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$12.7M· 4.3% of total· 0.0% port· 153K sh· +$12.4M QoQ· Q2 2026
Clearbridge Investments, LLCReduced
Hedge Fund
$10.7M· 3.6% of total· 0.0% port· 129K sh· $-163K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$9.0M· 3.0% of total· 0.0% port· 108K sh· $-7.1M QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$5.1M· 1.7% of total· 0.0% port· 62K sh· +$4.8M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$3.3M· 1.1% of total· 0.0% port· 40K sh· +$1.5M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$2.2M· 0.8% of total· 0.0% port· 27K sh· $-1.2M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$1.9M· 0.6% of total· 0.0% port· 23K sh· +$902K QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$1.9M· 0.6% of total· 0.0% port· 23K sh· $-9K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$1.7M· 0.6% of total· 0.0% port· 21K sh· $-2.2M QoQ· Q2 2026
Qube Research & Technologies LtdReduced
Hedge Fund
$1.4M· 0.5% of total· 0.0% port· 17K sh· $-19.8M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCAdded
Hedge Fund
$1.0M· 0.3% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$715K· 0.2% of total· 0.0% port· 9K sh· +$483K QoQ· Q2 2026
Gotham Asset Management, LLCUnchanged
Hedge Fund
$317K· 0.1% of total· 0.0% port· 4K sh· +$0 QoQ· Q2 2026
Bridgewater Advisors Inc.Added
Hedge Fund
$213K· 0.1% of total· 0.0% port· 3K sh· +$7K QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALUnchanged
Institutional Manager
$207K· 0.1% of total· 0.0% port· 3K sh· +$0 QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$36K· 0.0% of total· 0.0% port· 440 sh· $-320K QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$23K· 0.0% of total· 0.0% port· 281 sh· $-16K QoQ· Q2 2026
1–10 of 21
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