NATIONAL GRID PLC-SP ADR (NGG) Institutional Shareholders
NATIONAL GRID PLC-SP ADR (NGG) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $4.70B in NGG holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of NGG tracked by InsiderSet, reporting ownership valued at approximately $478.71M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $452.51M, representing an estimated loss of -5.47% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed NGG value among the investors covered in this analysis. Major shareholders include Fmr Llc, Bank Of America Corp, Morgan Stanley, and several other long-term asset managers with concentrated positions in NATIONAL GRID PLC-SP ADR (NGG).
This page ranks the largest institutional NGG shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
585
Total Reported Value
$4.70B
Largest Holder
Fmr Llc
Largest Position
$478.71M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
63
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.03% | 5,658,452 | $478,705,105 | $452,506,406 | -$26,198,699 | -5.47% | |
| Bank Of America Corp | 0.03% | 4,481,010 | $379,093,415 | $358,346,370 | -$20,747,045 | -5.47% | |
| Morgan Stanley | 0.02% | 3,362,071 | $284,431,519 | $268,864,818 | -$15,566,701 | -5.47% | |
| Goldman Sachs Group Inc | 0.02% | 2,197,115 | $185,875,946 | $175,703,287 | -$10,172,659 | -5.47% | |
| Renaissance Technologies LLC | Jim Simons | 0.29% | 2,168,755 | $183,476,673 | $173,435,337 | -$10,041,336 | -5.47% |
| Federated Hermes, Inc. | 0.29% | 2,142,131 | $181,224,283 | $171,306,216 | -$9,918,067 | -5.47% | |
| Jones Financial Companies Lllp | 0.08% | 2,157,622 | $176,753,787 | $172,545,031 | -$4,208,756 | -2.38% | |
| Royal Bank Of Canada | 0.03% | 2,058,184 | $174,122,000 | $164,592,974 | -$9,529,026 | -5.47% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.36% | 1,844,307 | $156,028,372 | $147,489,231 | -$8,539,141 | -5.47% | |
| Envestnet Asset Management Inc | 0.04% | 1,640,438 | $138,781,039 | $131,185,827 | -$7,595,212 | -5.47% | |
| Milford Funds Ltd | 2.06% | 1,529,471 | $126,747,262 | $122,311,796 | -$4,435,466 | -3.50% | |
| Raymond James Financial Inc | 0.04% | 1,357,833 | $114,861,498 | $108,585,905 | -$6,275,593 | -5.46% | |
| Wells Fargo & Company/Mn | 0.02% | 1,341,075 | $113,454,956 | $107,245,768 | -$6,209,188 | -5.47% | |
| Brandes Investment Partners, Lp | 0.79% | 1,312,011 | $110,998,918 | $104,921,520 | -$6,077,398 | -5.48% | |
| Blackrock, Inc. | 0.00% | 1,292,294 | $109,328,056 | $103,344,751 | -$5,983,305 | -5.47% | |
| Northern Trust Corp | 0.01% | 1,153,456 | $97,582,378 | $92,241,876 | -$5,340,502 | -5.47% | |
| Bank Of Montreal | 0.04% | 1,061,874 | $89,834,501 | $84,918,064 | -$4,916,437 | -5.47% | |
| Standard Investments Llc | 4.91% | 987,100 | $83,508,660 | $78,938,387 | -$4,570,273 | -5.47% | |
| Dimensional Fund Advisors Lp | 0.02% | 891,393 | $75,411,982 | $71,284,698 | -$4,127,284 | -5.47% | |
| Lpl Financial Llc | 0.02% | 879,068 | $74,369,180 | $70,299,068 | -$4,070,112 | -5.47% | |
| Clark Capital Management Group, Inc. | 0.45% | 862,160 | $72,938,702 | $68,946,935 | -$3,991,767 | -5.47% | |
| Cullen Capital Management, Llc | 0.69% | 794,204 | $67,189,628 | $63,512,494 | -$3,677,134 | -5.47% | |
| Causeway Capital Management | Sarah Ketterer | 0.56% | 538,761 | $45,579,151 | $43,084,717 | -$2,494,434 | -5.47% |
| Ameriprise Financial Inc | 0.01% | 463,904 | $39,045,712 | $37,098,403 | -$1,947,309 | -4.99% | |
| Manufacturers Life Insurance Company, The | 0.03% | 444,507 | $37,605,292 | $35,547,225 | -$2,058,067 | -5.47% | |
| D. E. Shaw & Co., Inc. | 0.03% | 419,866 | $35,520,664 | $33,576,684 | -$1,943,980 | -5.47% | |
| American Century Companies Inc | 0.01% | 326,853 | $27,651,764 | $26,138,434 | -$1,513,330 | -5.47% | |
| Jane Street Group, Llc | 0.03% | 322,710 | $27,301,266 | $25,807,119 | -$1,494,147 | -5.47% | |
| Stifel Financial Corp | 0.02% | 306,450 | $25,925,906 | $24,506,807 | -$1,419,100 | -5.47% | |
| Ubs Group Ag | 0.00% | 302,745 | $25,612,227 | $24,210,518 | -$1,401,709 | -5.47% | |
| Bank Of New York Mellon Corp | 0.00% | 301,715 | $25,525,079 | $24,128,149 | -$1,396,930 | -5.47% | |
| Abc Arbitrage Sa | 2.70% | 301,977 | $25,024,834 | $24,149,101 | -$875,733 | -3.50% | |
| Nuveen, Llc | 0.01% | 269,843 | $22,828,718 | $21,579,345 | -$1,249,373 | -5.47% | |
| Quantinno Capital Management Lp | 0.04% | 268,822 | $22,742,358 | $21,497,695 | -$1,244,663 | -5.47% | |
| Citadel Advisors Llc | 0.02% | 268,030 | $22,675,338 | $21,434,359 | -$1,240,979 | -5.47% | |
| Qube Research & Technologies Ltd | 0.03% | 255,475 | $21,613,185 | $20,430,336 | -$1,182,849 | -5.47% | |
| Ferguson Wellman Capital Management, Inc | 0.26% | 255,077 | $21,138,231 | $20,398,508 | -$739,723 | -3.50% | |
| Lockheed Martin Investment Management Co | 0.66% | 214,700 | $18,163,620 | $17,169,559 | -$994,061 | -5.47% | |
| Beck Bode, Llc | 3.05% | 212,922 | $18,013,174 | $17,027,372 | -$985,802 | -5.47% | |
| Point72 Asset Management, L.P. | 0.03% | 194,061 | $16,417,561 | $15,519,058 | -$898,503 | -5.47% | |
| Truist Financial Corp | 0.02% | 194,580 | $16,124,871 | $15,560,563 | -$564,308 | -3.50% | |
| Hennessy Advisors Inc | 0.51% | 194,044 | $16,080,426 | $15,517,699 | -$562,727 | -3.50% | |
| Charles Schwab Investment Management Inc | 0.00% | 188,674 | $15,961,820 | $15,088,260 | -$873,560 | -5.47% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.02% | 186,271 | $15,758,527 | $14,896,092 | -$862,435 | -5.47% | |
| Massachusetts Financial Services Co | 0.01% | 174,885 | $15,287,441 | $13,985,553 | -$1,301,888 | -8.52% | |
| Creative Planning | 0.01% | 163,238 | $13,809,885 | $13,054,143 | -$755,742 | -5.47% | |
| Invesco Ltd. | 0.00% | 161,787 | $13,687,154 | $12,938,106 | -$749,048 | -5.47% | |
| Cetera Investment Advisers | 0.01% | 150,752 | $12,753,652 | $12,055,637 | -$698,015 | -5.47% | |
| Xtx Topco Ltd | 0.21% | 142,648 | $12,068,021 | $11,407,561 | -$660,460 | -5.47% | |
| Guardian Partners Inc. | 1.07% | 143,310 | $11,876,100 | $11,460,501 | -$415,599 | -3.50% |
Frequently asked questions about NGG
Who owns the most NGG stock?
The largest holders of NGG are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NATIONAL GRID PLC-SP ADR (NGG).
Is NGG widely held by superinvestors?
Many widely followed stocks like NGG appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NGG is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.