Deep Fission FISN Peer Comparison

NASDAQ FISN
$7.11 +0.13 (+1.86%)
At close: Sep 9, 2026 · 4:00 PM EDT
Peer Comparison

24 Comparable Companies

Industry Nuclear Equipment

Deep Fission, Inc. (FISN) is the 22nd largest of 24 Nuclear Equipment companies by market capitalisation, at 387.89 Mn, behind Terrestrial Energy Inc. /DE/ at 569.93 Mn. The table below compares all 24 on 8 financial metrics.

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# Ticker Company match industry_code industry_group industry_group_code Market Capitalization P/E P/S Enterprise Value
1 BWXT BWX Technologies, Inc. primary I-39 Clean Energy Equipment IG-10 14.38 Bn 40.38 4.09 13.77 Bn
2 MIR Mirion Technologies, Inc. primary I-39 Clean Energy Equipment IG-10 4.07 Bn 159.02 3.97 3.65 Bn
3 SMR NUSCALE POWER Corp primary I-39 Clean Energy Equipment IG-10 3.95 Bn -5.69 369.13 3.95 Bn
4 NKLR Terra Innovatum Global N.V. primary I-39 Clean Energy Equipment IG-10 0.60 Bn 1.17 — 0.51 Bn
5 IMSR Terrestrial Energy Inc. /DE/ primary I-39 Clean Energy Equipment IG-10 0.57 Bn -20.11 — 0.57 Bn
6 FISN Deep Fission, Inc. primary I-39 Clean Energy Equipment IG-10 0.39 Bn -5.54 — 0.39 Bn
7 UCLE US NUCLEAR CORP. primary I-39 Clean Energy Equipment IG-10 0.00 Bn -0.82 0.58 0.00 Bn
8 D Dominion Energy, Inc secondary U-04 Regulated Utilities UG-02 57.37 Bn 24.14 3.17 56.59 Bn
9 VST Vistra Corp. secondary U-01 Power Generation UG-01 50.90 Bn 25.11 2.65 49.03 Bn
10 CCJ Cameco Corp secondary E-13 Coal and Uranium EG-05 43.86 Bn 123.61 9.41 42.75 Bn
11 CW Curtiss Wright Corp secondary I-02 Aerospace and Defense IG-01 20.85 Bn 38.53 5.71 20.37 Bn
12 TNCAF Tc Energy Corp secondary E-04 Oil and Gas Midstream EG-02 16.13 Bn 6.55 1.43 15.60 Bn
13 KEP Korea Electric Power Corp secondary U-04 Regulated Utilities UG-02 15.75 Bn 1.90 0.23 10.77 Bn
14 TLN Talen Energy Corp secondary U-01 Power Generation UG-01 14.67 Bn -79.29 4.27 14.31 Bn
15 EAI Entergy Arkansas, Llc secondary U-04 Regulated Utilities UG-02 8.96 Bn 4.77 0.66 5.11 Bn
16 OKLO Oklo Inc. secondary U-03 Power Generation UG-01 7.53 Bn -49.31 6,314.48 7.53 Bn
17 SHC Sotera Health Co secondary H-17 Healthcare Providers HG-04 5.24 Bn 32.03 4.31 4.88 Bn
18 AMTM Amentum Holdings, Inc. secondary I-02 Aerospace and Defense IG-01 4.72 Bn 23.49 0.33 4.26 Bn
19 LEU Centrus Energy Corp secondary E-13 Coal and Uranium EG-05 3.63 Bn 74.92 7.67 1.76 Bn
20 FRMI Fermi Inc. secondary R-11 Infrastructure REITs RG-02 3.53 Bn -4.97 — 3.47 Bn
21 ATS ATS Corp /ATS secondary I-04 Machinery IG-02 1.89 Bn 55.65 0.89 1.75 Bn
22 CDRE Cadre Holdings, Inc. secondary I-02 Aerospace and Defense IG-01 1.19 Bn — — 1.06 Bn
23 NNE Nano Nuclear Energy Inc. secondary E-13 Coal and Uranium EG-05 0.91 Bn — — 0.33 Bn
24 SAIH SAIHEAT Ltd secondary T-59 Fintech TG-09 0.04 Bn -7.38 10.53 0.04 Bn