---
ticker: "TNUK"
name: "Tortoise Nuclear Renaissance ETF"
url: "https://etf.net/etf/TNUK"
grade: "C"
score: 40
graded_at: "2026-10-12"
category: "Uranium & Nuclear"
category_rank: "7 of 9"
methodology: "https://etf.net/methodology"
---

# TNUK: Tortoise Nuclear Renaissance ETF

Grade **C**, Score 40 of 100. Rank 7 of 9 in Uranium & Nuclear.

Graded Oct 12, 2026.

## Grade pillars

| Pillar | Score | Category rank |
| --- | --- | --- |
| Cost | 42 | 5 of 9 |
| Mission | Not scored | — |
| Risk | 57 | 4 of 9 |
| Tradability | 23 | 8 of 9 |
| Holdings | 49 | 6 of 9 |
| Durability | 33 | 8 of 9 |

## Top holdings

The fund holds 26 positions. These are the largest 26, by weight.

| # | Ticker | Name | Weight |
| --- | --- | --- | --- |
| 1 | MIR | Mirion Technologies Inc | 7.97% |
| 2 | 034020.KS | Doosan Enerbility Co Ltd | 7.54% |
| 3 | CCJ | Cameco Corp | 6.73% |
| 4 | BWXT | BWX Technologies Inc | 6.67% |
| 5 | CW | Curtiss-Wright Corp | 6.47% |
| 6 | CEG | Constellation Energy Corp | 6.45% |
| 7 | ATRL.TO | AtkinsRealis Group Inc | 5.88% |
| 8 | RYCEY | Rolls-Royce Holdings PLC | 5.65% |
| 9 | FORTUM.HE | Fortum Oyj | 5.62% |
| 10 | AMTM | Amentum Holdings Inc | 5.18% |
| 11 | PEG | Public Service Enterprise Group Inc | 5.04% |
| 12 | TLN | Talen Energy Corp | 4.92% |
| 13 | KAP.IL | NAC Kazatomprom JSC | 4.11% |
| 14 | LEU | Centrus Energy Corp | 3.83% |
| 15 | VST | Vistra Corp | 3.60% |
| 16 | UEC | Uranium Energy Corp | 3.52% |
| 17 | J | Jacobs Solutions Inc | 3.31% |
| 18 | DNN | Denison Mines Corp | 1.96% |
| 19 | GEV | GE Vernova Inc | 1.92% |
| 20 | NXGPF | NexGen Energy Ltd | 0.85% |
| 21 | XE | X-Energy Inc | 0.66% |
| 22 | UUUU | Energy Fuels Inc/Canada | 0.59% |
| 23 | SMR | NuScale Power Corp | 0.58% |
| 24 | OKLO | Oklo Inc | 0.55% |
| 25 | — | First American Government Obligations Fund 12/01/2031 | 0.28% |
| 26 | — | Cash & Other | 0.12% |

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