Data as of .
Photonics and optics ETFs
3 funds, measured by holdings rather than by name. The typical fund carries 34% of its weight in S&P 500 names, which is the 17th most of the 40 themes here with filed books.
What this fund actually owns
FOTO is the only photonics and optics fund here with a filed book. Its ten largest holdings are below.
| Company | Weight in FOTO |
|---|---|
| IPG PHOTONICS CORPORATION | 15.1% |
| LUMENTUM HOLDINGS INC. | 13.8% |
| CIENA CORPORATION | 10.8% |
| nLIGHT Inc | 9.0% |
| Coherent Corp. | 8.9% |
| APPLIED OPTOELECTRONICS, INC. | 8.5% |
| VIAVI SOLUTIONS INC. | 7.5% |
| FABRINET | 7.1% |
| MKS, INCORPORATED. | 5.7% |
| POET Technologies Inc | 4.1% |
Each fund files its whole book and this counts the ten largest out of it, so a fund missing from a row may still hold that company below its own tenth position. Weights are of the funds that name it, never of the theme.
| Ticker | Fund | Issuer | In the S&P 500 | Active share | Total return 1Y | vs S&P 500 | Fee |
|---|---|---|---|---|---|---|---|
| FOTO | Tuttle Capital Pure Play Photonics ETF | Tuttle | 33.6% | 99.7% | listed 105 days | · | 0.75% |
| LAZR | Tema Optical & Photonics ETF | Tema | no filing yet | no filing yet | listed 73 days | · | 0.75% |
| LYTE | Roundhill Photonics & Optics ETF | Roundhill | no filing yet | no filing yet | listed 36 days | · | 0.65% |
Where to next
Where these figures came from
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ETFIQ is an independent publisher and makes no recommendations; every figure is stated arithmetic on published data. Standards and sources
Cite this page. ETFIQ, Photonics and optics ETFs, data as of Sep 11, 2026. https://etfiq.com/themes/photonics Free to use with attribution; the underlying files are at Open data.