National Grid
NGG | NYSE
$76.68
-$0.12 (-0.16%)
At close: Sep 21, 2026, 4:00 PM ET
$76.03
-$0.65 (-0.85%)
Pre-market:
Sep 22, 2026, 4:43 AM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 20, 2026 | $76.27B | -$217.41M | -0.28% |
| Dec 25, 2025 | $76.49B | $22.8B | +42.47% |
| Dec 26, 2024 | $53.69B | -$786.61M | -1.44% |
| Dec 28, 2023 | $54.47B | $6.55B | +13.67% |
| Dec 29, 2022 | $47.92B | -$8.24B | -14.68% |
| Dec 30, 2021 | $56.16B | $11.04B | +24.47% |
| Dec 30, 2020 | $45.12B | -$1.84B | -3.91% |
| Dec 26, 2019 | $46.96B | $11.45B | +32.24% |
| Dec 27, 2018 | $35.51B | -$9.78B | -21.59% |
| Dec 28, 2017 | $45.29B | -$2.47B | -5.17% |
| Dec 29, 2016 | $47.76B | -$4.82B | -9.16% |
| Dec 30, 2015 | $52.58B | -$2.67B | -4.83% |
| Dec 25, 2014 | $55.25B | $6.12B | +12.46% |
| Dec 26, 2013 | $49.13B | $6.77B | +15.97% |
| Dec 27, 2012 | $42.36B | $7.24B | +20.61% |
| Dec 29, 2011 | $35.12B | $6.53B | +22.86% |
| Dec 30, 2010 | $28.59B | -$2.55B | -8.19% |
| Dec 30, 2009 | $31.14B | $3.49B | +12.63% |
| Dec 25, 2008 | $27.65B | -$22.71B | -45.10% |
| Dec 27, 2007 | $50.36B | $5.77B | +12.95% |
| Dec 28, 2006 | $44.58B | n/a | n/a |
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