Roundhill Photonics & Optics ETF (LYTE) is a Roundhill ETF with a 0.65% expense ratio, 18 holdings and $156MM in net assets. Largest sector: Technology (100%).
Fee
0.65%
expense ratio
Net assets
$156MM
Launched
Aug 6, 2026
Holdings
18
as of Oct 26, 2026
Top 10 weight
140.9%
over 100%: swaps and futures
Largest sector
Technology
100.0%
Yield
30-day SEC 0.58%
as of Sep 30, 2026
Benchmark
—
LYTE's holdings are as of Oct 26, 2026.
Technology
100.0%
Sectors are known for only 38% of LYTE; the rest is holdings without one (swaps, futures, bonds, cash or unclassified stocks), so this split describes that part of the fund.
1
912797VA2
United States Treasury Bill
48.41%
2
LITE
LUMENTUM HOLDINGS
20.44%
3
COHR
COHERENT
16.94%
4
BFFJRM7
ZHONGJI INNOLIGHT , LTD.-SWAP-GOLD-L
16.41%
5
CIEN
CIENA
10.38%
6
BD761B9
EOPTOLINK TECHNOLOGY , LTD.-SWAP-GOLD-L
8.47%
7
171779309
CIENA SWAP-NMRA-L
7.06%
8
BL5P4J3
SUZHOU TFC OPTICAL COMMUNICATION , LTD.-SWAP-GOLD-L
5.42%
9
FN
Fabrinet
4.60%
10
3081
LandMark Optoelectronics
2.73%
11
BPXYTJ5
YUANJIE SEMICONDUCTOR TECHNOLOGY , LTD.-SWAP-GOLD-L
2.73%
12
AAOI
Applied Optoelectronics
2.56%
13
BD5C8C9
ACCELINK TECHNOLOGIES CO,LTD.-SWAP-GOLD-L
2.39%
14
AXTI
AXT
1.26%
15
BL61LC2
T AND S COMMUNICAT-SWAP-GOLD-L
0.90%
16
TWD
NEW TAIWAN DOLLAR
0.88%
17
3363
FOCI Fiber Optic Communications
0.62%
18
CNY
CHINESE YUAN
0.01%
1–18 of 18
Funds listed by how much of their largest holdings they share with LYTE — not a ranking.
Data from Roundhill; prices and returns from market data. Page updated October 29, 2026. Holdings and figures change over time. For information only — not investment advice.