The Tema Photonics & Optical ETF is the best way to own photonics, better than EUV and FOTO, as the only truly actively managed, institutional-quality photonics ETF. Its top holdings are Lumentum, AXT and Aixtron, and Tema partnered with SemiAnalysis to deliver pure-play exposure to leading-edge photonics and optics, a critical path in the AI buildout. Wall Street analysts see a $60 price target, 50% upside over 12 months. x.com 

The Tema Photonics & Optical ETF is hard to beat as a way to invest in photonics, whose AI data-movement market Goldman Sachs forecasts will grow about 9x between 2026 and 2028. The actively managed fund is run in research partnership with SemiAnalysis, with top holdings including Lumentum, Aixtron, AXT, Applied Optoelectronics, Furukawa Electric, Zhongji Innolight, Tower Semiconductor, Aehr Test Systems and Sivers Semiconductors. x.com 

Tema Photonics & Optical ETF offers a way to hold a range of optical companies without trading the volatile individual names. Its roughly 9% exposure to an Anthropic SPV adds to the appeal. The ETF is thinly traded; the idea is to buy and hold for a year rather than keep trading. x.com  x.com 

LYTE, a newly launched photonics ETF, is worth owning as a more targeted photonics play than the EUV ETF. Its top holdings are Sivers Semiconductors, Applied Optoelectronics, Lumentum and Coherent. x.com 

Optics and photonics should be among AI's biggest winners as faster GPU networks need optical connections that suppliers cannot expand quickly enough. Lumentum says some components are sold out through early 2029; Sivers is investing $30M to target more than 100M lasers a year, with operations expected in Q4 2027. Potential US restrictions on Chinese transceivers could reshape supply in 2027. Applied Optoelectronics and Sivers are the favorites. x.com  x.com 

The LYTE ETF offers pure-play exposure to global photonics and optics leaders, with Coherent and Lumentum as its top holdings. Nvidia CEO Jensen Huang has said the world needs substantially more silicon photonics capacity than it has today, explaining Nvidia's $4B investment in Lumentum and Coherent. x.com  x.com 

Rising 1.6T switching demand favors optical suppliers, though their execution risks vary. Bank of America says the market could grow ~101% annually through 2030. Marvell's leading DSPs and Lumentum's supply-short 200G EML lasers are lowest risk; Applied Optoelectronics' capacity expansion and Fabrinet's customer concentration make them medium risk. Aeluma remains pre-commercial, while Lightwave Logic's polymer modulators are a high-risk moonshot despite its TSM partnership. x.com 

Optical component stocks such as Lumentum, Coherent, Applied Optoelectronics and AXT look early in an unwind, as a wave of new photonics paid newsletters signals a crowded narrative. Price pays; narratives do not. x.com 

AXT supplies the InP substrates that expanding optical manufacturing requires. It supplies every manufacturer, and that demand will take its shares to new all-time highs. Applied Optoelectronics is expanding capacity and selling the most cost-efficient product; a quoted post reports that Lumentum's CEO said his firm is effectively sold out through nearly 2029. x.com 

Scale-up co-packaged optics will likely end up larger than currently priced in, which supports Lumentum. AAOI has a high probability of outperforming Lumentum. x.com