Roundhill · holdings as of 2026-09-25
Roundhill Photonics & Optics ETF
- Last / close
- $25.44
- Day change
- +$0.09 · +0.36%
- Volume
- 514.2K
- NAV
- $25.41
- Premium / discount
- +0.12%
Photonics and optics names in the AI buildout: optical interconnects, lasers, and photonic chips replacing copper with light in AI data centers, per the issuer's stated mandate.
- Veridion read
- 44Lower range · low confidenceFund score · valuation-exempt
3/5 applicable factors · 2026-09-25 · methodology receipt
- Published holdings
- 20
- Primary source
- Issuer fund page →
Fund observations
Market and fund figures, each dated to its source.
A blank cell means the field does not have a qualified source. Price-derived AUM change is never relabeled as fund flow.
Every weight here comes straight from the issuer's filing — not our estimate.
Complete issuer book
All 20 holdings
Every row resolves to the issuer file dated 2026-09-25. Paid overlays add Scores and historical weight changes without altering the public holdings structure.
EOPTOLINK TECHNOLOGY INC., LTD.-SWAP-GOLD-L
ZHONGJI INNOLIGHT CO., LTD.-SWAP-GOLD-L
YUANJIE SEMICONDUCTOR TECHNOLOGY CO., LTD.-SWAP-GOLD-L
SUZHOU TFC OPTICAL COMMUNICATION CO., LTD.-SWAP-GOLD-L
Zhongji Innolight Co Ltd
Eoptolink Technology Inc Ltd
ACCELINK TECHNOLOGIES CO,LTD.-SWAP-GOLD-L
Suzhou TFC Optical Communication Co Ltd
LandMark Optoelectronics Corp
T&S Communications Co Ltd
First American Government Obligations Fund 12/01/2031
FOCI Fiber Optic Communications Inc
Cash & Other
| Holding | Weight | Receipt |
|---|---|---|
United States Treasury Bill 10/08/2026 912797UJ4 | 27.92% | Issuer · 2026-09-25 |
Lumentum Holdings Inc | 15.49% | Issuer · 2026-09-25 |
Coherent Corp | 12.28% | Issuer · 2026-09-25 |
Ciena Corp | 10.76% | Issuer · 2026-09-25 |
EOPTOLINK TECHNOLOGY INC., LTD.-SWAP-GOLD-L BD761B9 TRS 090827 GS | 9.95% | Issuer · 2026-09-25 |
ZHONGJI INNOLIGHT CO., LTD.-SWAP-GOLD-L BFFJRM7 TRS 090827 GS | 8.81% | Issuer · 2026-09-25 |
YUANJIE SEMICONDUCTOR TECHNOLOGY CO., LTD.-SWAP-GOLD-L BPXYTJ5 TRS 090827 GS | 6.77% | Issuer · 2026-09-25 |
SUZHOU TFC OPTICAL COMMUNICATION CO., LTD.-SWAP-GOLD-L BL5P4J3 TRS 090827 GS | 6.28% | Issuer · 2026-09-25 |
Zhongji Innolight Co Ltd 300308 C2 | 5.87% | Issuer · 2026-09-25 |
Eoptolink Technology Inc Ltd 300502 C2 | 5.11% | Issuer · 2026-09-25 |
ACCELINK TECHNOLOGIES CO,LTD.-SWAP-GOLD-L BD5C8C9 TRS 090827 GS | 4.50% | Issuer · 2026-09-25 |
Fabrinet | 3.43% | Issuer · 2026-09-25 |
Suzhou TFC Optical Communication Co Ltd 300394 C2 | 2.90% | Issuer · 2026-09-25 |
Applied Optoelectronics Inc | 1.95% | Issuer · 2026-09-25 |
LandMark Optoelectronics Corp 3081 TT | 1.94% | Issuer · 2026-09-25 |
T&S Communications Co Ltd 300570 C2 | 1.52% | Issuer · 2026-09-25 |
First American Government Obligations Fund 12/01/2031 FGXXX | 1.07% | Issuer · 2026-09-25 |
AXT Inc | 1.02% | Issuer · 2026-09-25 |
FOCI Fiber Optic Communications Inc 3363 TT | 0.53% | Issuer · 2026-09-25 |
Cash & Other CASH&OTHER | -28.08% | Issuer · 2026-09-25 |
Comparative read
Weight-adjusted Score and shared-book overlap.
The fund Score is a weighted aggregation of covered holdings, not a separately trained ETF model. Overlap uses only published issuer books.
Coverage note. 1Y return, Net flows, AUM change are not reported with a qualified receipt; 20 holding quotes are unresolved; the Score and ownership-change overlays are withheld from the free response. Open the issuer holdings receipt →