# The largest energy security ETFs

> The largest energy security ETFs, ranked by net assets, as of Oct 20, 2026. 5 funds from ETFIQ’s own published figures. A ranking is not a recommendation.

Data as of Oct 20, 2026. Rebuilt every trading night.

As of Oct 20, 2026 . Rebuilt every trading night.

## The largest energy security ETFs

See 5 funds ranked by net assets. Updated Oct 20, 2026. Every fund here is sold on energy security. What each one holds, and how much of it the S&P 500 already holds for you, is the column beside the size.

| # | Ticker | Fund | Net assets | Weight in S&P 500 companies | Total return, 1Y | Fee | Source |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | IETC | iShares U.S. Tech Independence Focused E | $675m | 87.6% | +5.5% | 0.18% | Issuer daily, Oct 20, 2026 |
| 2 | CRTC | Xtrackers US National Critical Technolog | $163m | 85.4% | +13.9% | 0.35% | Issuer page, Oct 19, 2026 |
| 3 | NSI | National Security Emerging Markets Index | $42m | 0.0% | +13.3% | 0.75% | SEC filing, May 31, 2026 |
| 4 | DRES | GMO Domestic Resilience ETF | $36m | 55.1% | +15.3% | 0.50% | SEC filing, May 31, 2026 |
| 5 | TSES | Truth Social American Energy Security ET | $8m | 88.4% | too new | 0.65% | SEC filing, Jun 30, 2026 |

### Method

The 5 ETFs in the energy security and critical technology theme, of which 5 publish net assets, ranked on the most recent figure for each. Across the funds listed here the weight held in S&P 500 companies runs from 0.0% to 88.4%. Size shows where the money is, not what a fund did. The list sorts one published figure, with no scoring or weighting. Every fund ETFIQ covers in this category is eligible, closed funds included.

### Where to next

### Where these figures came from

ETFIQ links to the documents behind every figure; a link is not an endorsement.

A ranking is not a recommendation or an opinion. ETFIQ is an independent publisher, not an adviser. Standards and sources

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Source: ETFIQ, independent ETF data. Recomputed nightly from public filings and prices.
Cite: ETFIQ, The largest energy security ETFs, ranked by net assets, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-largest-energy-security
Licence: https://etfiq.com/license/ Figures ETFIQ computes are free to use with attribution: ETFIQ (etfiq.com). Issuer data stays under its owner's terms.
HTML: https://etfiq.com/rankings/themes-largest-energy-security