The largest photonics and optics ETFs
See 3 funds ranked by net assets. Updated Oct 20, 2026. Every fund here is sold on photonics and optics. What each one holds, and how much of it the S&P 500 already holds for you, is the column beside the size.
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| # | Ticker | Fund | Net assets ↓ | Weight in S&P 500 companies | Total return, 1Y | Fee | Source |
|---|---|---|---|---|---|---|---|
| 1 | LAZR | Tema Photonics & Optical ETF | $187m | 22.5% | too new | 0.75% | Issuer page, Oct 19, 2026 |
| 2 | LYTE | Roundhill Photonics & Optics ETF | $170m | not yet filed | too new | 0.65% | Issuer daily, Oct 20, 2026 |
| 3 | FOTO | Tuttle Capital Pure Play Photonics ETF | $167m | 14.2% | too new | 0.75% | SEC filing, Jun 30, 2026 |
Method
The 3 ETFs in the photonics and optics theme, of which 3 publish net assets, ranked on the most recent figure for each.
The rest of the method
Across the funds listed here the weight held in S&P 500 companies runs from 14.2% to 22.5%. 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.
ETFIQ links to the documents behind every figure; a link is not an endorsement. A ranking is not a recommendation or an opinion.
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ETFIQ, The largest photonics and optics ETFs, ranked by net assets, data as of Oct 20, 2026. https://etfiq.com/rankings/themes-largest-photonics
ETFIQ. (Oct 20, 2026). The largest photonics and optics ETFs, ranked by net assets. Retrieved from https://etfiq.com/rankings/themes-largest-photonics
[The largest photonics and optics ETFs, ranked by net assets (ETFIQ, Oct 20, 2026)](https://etfiq.com/rankings/themes-largest-photonics)
Free to use with attribution for figures ETFIQ computes; issuer data stays under its owner's terms. The underlying files are at Open data.