New LUMA ETF Charges 0.64% to Give You Diversified Photonics Exposure

LUMA targets laser makers and photonic chip companies at a 0.64% net fee, but already dropped nearly 7% across its first two trading days.

Lumentum (LITE) gained 609% and Tower Semiconductor (TSEM) surged 421% over the past year, yet both now trade above 40x forward earnings.

At 0.64% net, LUMA costs more than double a typical broad semiconductor ETF, a premium only sustained performance can justify.

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KraneShares has rolled out a new thematic exchange-traded fund aimed at one of the hottest corners of the AI hardware trade: the companies that make lasers, optical transceivers and photonic chips that move data through fiber inside and between data centers. The KraneShares Photonic and Optical ETF ( NYSEARCA:LUMA ) began trading this month on NYSE Arca, with its statutory prospectus dated July 8, 2026. Only two trading days of price history are available so far, and the fund closed at $22.04 on July 16, 2026.

Costs are the first thing to understand. The prospectus lists a management fee of 0.99% of average daily net assets, which would work out to about $99 a year on a $10,000 investment. KraneShares has voluntarily agreed to waive 0.35% of that fee, taking the effective cost to roughly 0.64%, or about $64 a year per $10,000. The issuer notes the waiver can be modified or terminated with notice, so the discount is not guaranteed.

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LUMA is an actively managed fund, meaning a portfolio team picks the holdings rather than mechanically tracking an index. The stated focus is companies tied to photonics and optical technology: laser makers, optical component and transceiver suppliers, silicon photonics foundries and the networking semiconductor firms that build high-speed optical interconnects. That basket lines up closely with the kind of names that have benefited from AI-driven demand for faster, more energy-efficient data movement.

Publicly traded companies fitting the theme include Lumentum ( NASDAQ:LITE ), Coherent ( NYSE:COHR ), Tower Semiconductor ( NASDAQ:TSEM ) and MACOM ( NASDAQ:MTSI ). KraneShares has not yet published a full top-holdings list for LUMA at launch, so investors will need to check the fund page as disclosures roll out. The prospectus also flags that the fund may invest in non-U.S. issuers, exposing shareholders to currency swings and foreign market risks.

The pitch is straightforward: photonics is a real and rapidly growing niche within AI infrastructure. Lumentum has delivered a one-year gain of 608.85%, Coherent is up 183.13%, Tower Semiconductor 421.3%, MACOM 99.98% and Marvell 166.34% over the past year. Lumentum trades at roughly 43x forward earnings, Coherent around 31x, MACOM near 43x and Marvell about 54x. Those are premium multiples that leave little room for disappointment.

A 0.64% net fee sits at the higher end for a thematic tech ETF. Broad semiconductor funds from iShares and VanEck typically charge well under half that. What the extra cost buys, according to KraneShares, is an active manager filtering for pure photonics exposure rather than diluted semiconductor beta. Whether that filter is worth the price is something only performance over several years can settle.

The fund is designed for investors who already want targeted exposure to the optical infrastructure buildout and prefer a diversified basket to picking a single winner. It is a satellite-style holding, not a core position, and the concentration cuts both ways. The recent selloff in the underlying names illustrates the point: Marvell fell 32.41% in the past month, Coherent 27.65%, MACOM 25.2% and Lumentum 19.32%. LUMA itself is already down 6.92% across its two-day history.

Other caveats are typical for new launches. There is no track record to evaluate. Assets under management start small, which usually means wider bid-ask spreads and the possibility of closure if the fund fails to gather assets. The prospectus specifically flags large shareholder risk, since early redemptions from one big holder can force disadvantageous selling, and valuation risk tied to thinly traded securities. Thematic funds are also vulnerable to hype cycles: buying near the top of a narrative rarely ends well.

The next few quarters will show whether LUMA can build assets, tighten its trading spreads, and demonstrate that active stock selection adds anything over simply owning a broad chip ETF during an unusually strong period for optical hardware.

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