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Grid Transmission & T&D Index
OfficialBy Edmund O'BrienMade 30 Apr 202610 companies
Key numbers
For the time range selected above.
- vs the S&P 500
- Average per year
- Biggest drop
- Ups and downs
About this portfolio
An index of public companies that build and equip the electrical transmission and distribution grid — critical infrastructure for AI, EVs, and renewables.
- How much of each
- Bigger companies get a bigger share
- Most in one company
- 20%
- Refreshed
- Every 3 months · next 30 Jul 2026
What’s inside
10 companies across 2 industries. The biggest is Quanta Services at 20.0%. No company can be more than 20%.
More detail
Everything else we know about this portfolio. Open any section to dig in.Pro view: every section is open. Switch to Simple at the top of the page to tidy them away.
Discussion
Results before a portfolio’s creation date are simulated from real historical prices and don’t include fees, taxes or trading costs. How we calculate performance. Nothing here is investment advice.