NGG Institutional Ownership Changes & 13F Activity


NATIONAL GRID PLC-SP ADR (NGG) institutional ownership data tracks hedge funds, asset managers, pension funds, and institutional investors holding Amazon shares based on recent SEC 13F filings (Q1 2026). Recent filings show notable position changes from firms including Sequoia Financial Advisors, Renaissance Technologies LLC, and Causeway Capital Management. This page analyzes institutional buying and selling activity, increased and reduced positions, new holdings, and sold-out positions to help investors understand institutional sentiment, portfolio allocation trends, and hedge fund conviction in NATIONAL GRID PLC-SP ADR stock.


Key Insights:

Related NGG Insights:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Sequoia Financial AdvisorsBuy2,69419,305$1,633,196
Q4 2025Causeway Capital ManagementBuy38,342709,485$54,878,695
Q4 2025Renaissance Technologies LLCSell-594,7002,415,286$186,822,372
Q3 2025Sequoia Financial AdvisorsSell-37816,611$1,207,158
Q3 2025Causeway Capital ManagementBuy355,149671,143$48,771,987
Q3 2025Renaissance Technologies LLCSell-136,3003,009,986$218,735,683
Q2 2025Sequoia Financial AdvisorsBuy5,58016,989$1,264,154
Q2 2025Causeway Capital ManagementBuy241,830315,994$23,513,136
Q2 2025Renaissance Technologies LLCBuy141,8003,146,286$234,115,141
Q1 2025Sequoia Financial AdvisorsSell-10211,409$748,560
Q1 2025Renaissance Technologies LLCSell-112,8003,004,486$197,124,326
Q4 2024Sequoia Financial AdvisorsBuy12311,511$683,989
Q4 2024Renaissance Technologies LLCSell-2,2993,117,286$185,229,134
Q3 2024Sequoia Financial AdvisorsBuy1,20111,388$793,406
Q3 2024Causeway Capital ManagementBuy74,16474,164$5,166,984
Q3 2024Renaissance Technologies LLCBuy53,7003,119,585$217,341,487
Q2 2024Sequoia Financial AdvisorsSell-60210,187$578,594
Q2 2024Renaissance Technologies LLCSell-194,9003,065,885$174,142,268
Q1 2024Renaissance Technologies LLCSell-64,1693,260,785$222,451
Q1 2024Sequoia Financial AdvisorsBuy2,76010,789$736,050
Q4 2023Renaissance Technologies LLCSell-196,5003,324,954$226,064
Q4 2023Sequoia Financial AdvisorsSell-6388,029$545,867
Q3 2023Renaissance Technologies LLCSell-124,2003,521,454$213,506
Q3 2023Sequoia Financial AdvisorsBuy4088,667$525,476
Q2 2023Renaissance Technologies LLCSell-106,1003,645,654$245,462
Q2 2023Sequoia Financial AdvisorsBuy5188,259$556,090
Q1 2023Renaissance Technologies LLCSell-86,8003,751,754$255,082
Q1 2023Sequoia Financial AdvisorsBuy187,741$526,322
Q4 2022Renaissance Technologies LLCSell-341,1003,838,554$231,542
Q4 2022Sequoia Financial AdvisorsBuy3,6917,723$465,856

Frequently asked questions about NGG activity

  • Which institutional owners are buying NGG?

    Institutional owners buying NGG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in NGG activity?

    "Buy" means an investor increased their reported position in NGG compared to the prior reporting period. This reflects growing exposure to NATIONAL GRID PLC-SP ADR (NGG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in NGG increasing?

    Institutional interest in NGG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.