National Grid plc (NGG) Ownership
NGG ownership summary
as of October 18, 2026- Institutions
- 6.5% of shares outstanding
- Insiders
- 0.08% of shares outstanding
- Shares outstanding
- 1.01B
- Float
- 5.92B shares available to trade
- Short interest
- 0.11% 1.1M shares short
- Days to cover
- 1.13 short interest down 7.3% vs prior month
- Institutions 6.48%
- Insiders 0.08%
- Other investors 93.44%
NGG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Bank of America Corp | 0.48% | 4.8M | $390.8M | +331,142 (+7.4%) | June 30, 2026 |
| 2 | FMR Inc | 0.47% | 4.7M | $384.2M | −928,320 (−16.4%) | June 30, 2026 |
| 3 | JPMorgan Chase & Co | 0.37% | 3.7M | $301.4M | +1.7M (+80.3%) | June 30, 2026 |
| 4 | Morgan Stanley - Brokerage Accounts | 0.36% | 3.6M | $290.4M | +212,983 (+6.3%) | June 30, 2026 |
| 5 | Natixis Advisors, LLC. | 0.24% | 2.4M | $198.6M | +177,305 (+7.8%) | June 30, 2026 |
| 6 | Federated Hermes Inc | 0.24% | 2.4M | $194.7M | +255,607 (+11.9%) | June 30, 2026 |
| 7 | JONES FINANCIAL COMPANIES LLLP | 0.23% | 2.3M | $184.6M | +115,004 (+5.3%) | June 30, 2026 |
| 8 | WCM Investment Management | 0.22% | 2.2M | $178.0M | +2.2M (0.0%) | June 30, 2026 |
| 9 | The Goldman Sachs Group Inc | 0.22% | 2.2M | $176.8M | −20,653 (−0.9%) | June 30, 2026 |
| 10 | Royal Bank of Canada | 0.22% | 2.2M | $175.9M | +107,209 (+5.2%) | June 30, 2026 |
| 11 | Renaissance Technologies Corp | 0.19% | 1.9M | $153.9M | −274,457 (−12.7%) | June 30, 2026 |
| 12 | Northern Trust Corp | 0.18% | 1.9M | $150.3M | +697,584 (+60.5%) | June 30, 2026 |
| 13 | BlackRock Inc | 0.15% | 1.5M | $124.8M | +244,156 (+18.9%) | June 30, 2026 |
| 14 | Milford Funds Limited | 0.15% | 1.5M | $124.2M | −244,192 (−13.8%) | June 30, 2026 |
| 15 | Wells Fargo & Co | 0.15% | 1.5M | $118.9M | +122,755 (+9.2%) | June 30, 2026 |
| 16 | Brandes Investment Partners & Co | 0.13% | 1.3M | $109.3M | +33,971 (+2.6%) | June 30, 2026 |
| 17 | Connor Clark & Lunn Inv Mgmt Ltd | 0.11% | 1.1M | $87.7M | −764,894 (−41.5%) | June 30, 2026 |
| 18 | 40 North Industries LLC | 0.09% | 925K | $75.1M | −62,100 (−6.3%) | June 30, 2026 |
| 19 | Dimensional Fund Advisors, Inc. | 0.09% | 916K | $74.4M | +24,446 (+2.7%) | June 30, 2026 |
| 20 | LPL Financial Corp | 0.09% | 873K | $70.9M | −6,307 (−0.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 6.2M shares and 7 cut 2.3M.
NGG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Avantis International Equity ETF | 0.04% | 396K | $32.2M | +2,080 (+0.5%) | September 30, 2026 |
| 2 | Brandes US Value A Euro | 0.03% | 294K | $23.9M | −21,029 (−6.7%) | September 30, 2026 |
| 3 | BMO Global Infrastructure ETF | 0.03% | 290K | $23.6M | — | September 9, 2026 |
| 4 | DFA International Core Equity 2 I | 0.03% | 285K | $23.1M | — | August 31, 2026 |
| 5 | iShares Global Infrastructure ETF Comm | 0.03% | 267K | $21.7M | — | September 30, 2026 |
| 6 | JH Tax-Advantaged Dividend Inc | 0.02% | 242K | $19.6M | — | August 31, 2026 |
| 7 | iShares Dynamic Equity Active ETF | 0.02% | 227K | $18.5M | — | September 18, 2026 |
| 8 | Global X U.S. Electrification ETF | 0.02% | 222K | $18.0M | — | September 30, 2026 |
| 9 | JH Premium Dividend Fund | 0.02% | 199K | $16.2M | — | August 31, 2026 |
| 10 | Hennessy Gas Utility Investor | 0.02% | 199K | $16.2M | +4,800 (+2.5%) | September 30, 2026 |
| 11 | Nuveen Real Asset Income I | 0.02% | 160K | $13.0M | — | July 31, 2026 |
| 12 | Dimensional International Core Eq 2 ETF | 0.01% | 133K | $10.8M | +84 (+0.1%) | September 30, 2026 |
| 13 | DFA Large Cap International I | 0.01% | 119K | $9.7M | +10,348 (+9.5%) | August 31, 2026 |
| 14 | Brandes International ETF | 0.01% | 86K | $7.0M | — | September 30, 2026 |
| 15 | Steward Values Enhanced International I | 0.01% | 86K | $7.0M | −4,046 (−4.5%) | August 31, 2026 |
| 16 | Cantor Fitzgerald Infrastructure A | 0.01% | 84K | $6.8M | — | July 31, 2026 |
| 17 | Nuveen Real Asset Income and Growth | 0.01% | 80K | $6.5M | — | August 31, 2026 |
| 18 | ActivePassive International Equity ETF | 0.01% | 67K | $5.5M | — | September 30, 2026 |
| 19 | Purpose Diversified Real Asset F | 0.01% | 60K | $4.9M | +7,192 (+13.5%) | September 30, 2026 |
| 20 | Gabelli Utility Trust | 0.01% | 58K | $4.7M | — | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NGG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NGG
Institutional investors own 6.5% of National Grid's shares and insiders 0.08%. The largest holder is Bank of America Corp with 0.48% of the shares (4.8M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 0.11% of the float, or 1.13 days of average trading volume. The share count rose 41.8% since 2014.
Related: NGG analyst forecast, NGG key metrics, NGG dividend history. See the NGG stock overview for the latest quote and news.
NGG ownership FAQ
Who owns the most National Grid stock?
The largest shareholders of National Grid are Bank of America Corp (0.48%), FMR Inc (0.47%), JPMorgan Chase & Co (0.37%), Morgan Stanley - Brokerage Accounts (0.36%), Natixis Advisors, LLC. (0.24%).
What percentage of National Grid is owned by institutions?
Institutions hold 6.5% of National Grid's shares outstanding; insiders hold 0.08%.
Which funds own National Grid?
The largest fund holders of National Grid are Avantis International Equity ETF (0.04%), Brandes US Value A Euro (0.03%), BMO Global Infrastructure ETF (0.03%), DFA International Core Equity 2 I (0.03%), iShares Global Infrastructure ETF Comm (0.03%).
What is National Grid's short interest?
1.1M shares of National Grid were sold short, 0.11% of the float; at the average daily volume it would take 1.13 days to cover.
How many shares of National Grid are outstanding?
National Grid has 1.01B shares outstanding, of which 5.92B are in the public float.
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