---
ticker: "LUMA"
name: "KraneShares Photonic and Optical ETF"
url: "https://etf.net/etf/LUMA"
grade: "D"
score: 25
graded_at: "2026-10-12"
category: "AI Data Infrastructure"
category_rank: "9 of 14"
methodology: "https://etf.net/methodology"
---

# LUMA: KraneShares Photonic and Optical ETF

Grade **D**, Score 25 of 100. Rank 9 of 14 in AI Data Infrastructure.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 1 | 14 of 14 |
| Mission | Not scored | — |
| Risk | 49 | 3 of 9 |
| Tradability | 33 | 10 of 14 |
| Holdings | 45 | 7 of 10 |
| Durability | 37 | 10 of 14 |

## Top holdings

The fund holds 28 positions. These are the largest 28, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | 3081.TWO | Land Mark Optoelectronics | 7.25% |
| 2 | LITE | Lumentum Holdings Inc | 7.12% |
| 3 | SOI.PA | S.o.i.t.e.c. | 6.76% |
| 4 | MRVL | Marvell Technology Inc | 5.99% |
| 5 | MTSI | Macom Technology Solutions H | 5.71% |
| 6 | AXTI | Axt Inc | 5.70% |
| 7 | COHR | Coherent Corp | 5.64% |
| 8 | TSEM.TA | Tower Semiconductor Ltd | 4.31% |
| 9 | ALD.DE | Aixtron SE | 4.27% |
| 10 | 6442.TW | Ezconn Corporation | 4.26% |
| 11 | 300308.SZ | Zhongji Innolight Co Ltd-A | 4.01% |
| 12 | FORM | Formfactor Inc | 3.80% |
| 13 | 300502.SZ | Eoptolink Technology Inc L-A | 3.71% |
| 14 | NOK | Nokia Corp-Spon Adr | 3.65% |
| 15 | 5802.T | Sumitomo Electric Industries | 3.27% |
| 16 | 3363.TWO | Foci Fiber Optic Communicati | 3.19% |
| 17 | FN | Fabrinet | 2.89% |
| 18 | CIEN | Ciena Corp | 2.81% |
| 19 | SMTC | Semtech Corp | 2.80% |
| 20 | HIMX | Himax Technologies Inc-Adr | 2.65% |
| 21 | 5801.T | Furukawa Electric Co Ltd | 2.54% |
| 22 | STM | Stmicroelectronics Nv-Ny Shs | 2.47% |
| 23 | GLW | Corning Inc | 2.39% |
| 24 | VECO | Veeco Instruments Inc | 1.13% |
| 25 | LASR | Nlight Inc | 0.93% |
| 26 | — | Cash | 0.37% |
| 27 | 688498.SS | Yuanjie Semiconductor Tech-A | 0.37% |
| 28 | — | Euro | 0.00% |

Source: etf.net, https://etf.net/etf/LUMA. Please cite the page URL.