Roundhill Photonics & Optics ETF

Roundhill Investments

Roundhill Photonics & Optics ETF - an actively managed thematic fund of roughly a dozen names built around optical interconnect and photonics: optical transceivers and modules, laser sources and photonic components, silicon-photonics integrated circuits, optical-interconnect systems, and the fiber connections wiring AI datacenters together. Roundhill defines "Photonic and Optical Companies" as those with at least half of revenue from these technologies. Launched on Cboe BZX 2026-08-06 with ~$72M of first-day volume, topping the open of Roundhill's memory ETF ($DRAM). The photonics/optics sibling of Roundhill's $DRAM (memory) and $NCLD (neocloud) thematic ETFs. Listed cluster proxies on the site's photonics theme: LITE, COHR, AAOI, GLW, AVGO.