Company intelligence

Standard Nuclear

Standard Nuclear designs, engineers, and manufactures TRISO advanced nuclear fuel for small modular and microreactors, operating the only privately funded industrial-scale TRISO production line in the US.

EnergyPublic ยท STDN (NYSE)Oak Ridge, TennesseeFounded 2024Website โ†—
Last verified Jul 16, 2026

Key Metrics

Total funding
$182.5M
As of Jan 26, 2026BusinessWire
IPO debut valuation
~$2.4B
As of Jul 16, 2026Value Add Pulse

Company Snapshot

Standard Nuclear is a Energy company, based in Oak Ridge, Tennessee, founded 2024. Total funding $182.5M (As of Jan 26, 2026).

Recent changes

  1. Jul 16, 2026IPO $150M at ~$2.4B Value Add Pulse
  2. Jul 16, 2026Standard Nuclear Debuts on NYSE After 58% IPO Cut Pulse story
  3. Jul 15, 2026Standard Nuclear Amends Its NYSE IPO Filing Pulse story
  4. Jul 15, 2026Standard Nuclear Slashes IPO Size by 58% Ahead of Pricing Pulse story
  5. Jul 13, 2026Standard Nuclear Files for NYSE IPO to Fund SMR Buildout Pulse story
Earlier changes (9)
  1. Jul 7, 2026Nuclear Fuel Maker Standard Nuclear Files for NYSE IPO Pulse story
  2. Jul 7, 2026Standard Nuclear Sets Terms for $356M NYSE IPO Pulse story
  3. Jul 2026First reported valuation: ~$3.55B (IPO target)Rumored US News / Reuters โ€” Standard Nuclear eyes $3.55B IPO valuation
  4. Jun 18, 2026Standard Nuclear Files S-1, Taking Advanced Nuclear to Public Markets Pulse story
  5. Jun 18, 2026Standard Nuclear Files S-1, Putting Advanced Nuclear Fuel on the IPO Runway Pulse story
  6. Jun 18, 2026Standard Nuclear Files for a US IPO to Fund Advanced Reactor Fuel Pulse story
  7. Jan 26, 2026Raised $140M Series A BusinessWire
  8. Jan 26, 2026First reported total funding: $182.5M BusinessWire
  9. Jun 10, 2025Raised $42M Seed BusinessWire

Funding History

3 events ยท sources dated per row
DateEventAmountValuationInvestorsSource
Jul 16, 2026ipo$150M~$2.4B
Value Add Pulse
Jan 26, 2026Series A$140Mโ€”
BusinessWire
Jun 10, 2025Seed$42Mโ€”
BusinessWire

Investors

Latest Pulse

  1. Nuclear Startup Valar Atomics Talks $6B ValuationValar Atomics, a three-year-old maker of small modular nuclear reactors backed by Palmer Luckey and Palantir's Shyam Sankar, is in talks to raise roughly $1 billion at a $6 billion valuation, three times its mark from just four months ago.โ†’
  2. Amazon Fixes Bug That Billed AWS Customers BillionsAmazon is fixing a software billing error that generated erroneous invoices showing billions owed by some AWS customers, a stumble landing the same week investors scrutinize execution across AI infrastructure.โ†’
  3. Public Markets Are Stress-Testing the AI Infra TradeValue Add Pulse analysis: Csquare's soft debut, Standard Nuclear's downsized listing, SpaceX's Starship setback and Alphabet's Gemini-delay selloff landed within 48 hours, showing markets are pricing AI-infra execution risk in real time.โ†’
  4. IPO Party Faces Down Volatility, Sinking SpaceXNewcomer's weekly analysis asks whether 2026's red-hot IPO window can survive SpaceX's post-listing stock collapse and a broader volatility spike, with several AI-adjacent companies still queued to list this year.โ†’
  5. 12 New S-1 Filings Show a Micro-Cap Biotech WaveA dozen new SEC S-1 and S-1/A filings this week, dominated by small biotech and biopharma names, show a steady drip of micro-cap public offerings continuing well below the AI-mega-cap headlines dominating the IPO conversation.โ†’
  6. Standard Nuclear Debuts on NYSE After 58% IPO CutTRISO fuel maker Standard Nuclear began trading on the NYSE under ticker STDN after slashing its IPO size by 58% to $150 million on the eve of pricing, a live early test of how public markets value pre-revenue nuclear-fuel suppliers.โ†’
  7. The AI Boom Is Testing the Limits of GrowthAxios reports the AI investment boom is running into real physical and financial constraints -- power availability, chip supply and capital costs -- that could cap how fast the buildout can continue.โ†’
  8. Standard Nuclear Slashes IPO Size by 58% Ahead of PricingTRISO fuel maker Standard Nuclear cut its IPO to $150 million from a planned $355.88 million on the eve of pricing, a rare down-sizing that signals soft investor demand even inside the hot nuclear-fuel supply-chain theme.โ†’
  9. Standard Nuclear Amends Its NYSE IPO FilingStandard Nuclear filed an amended S-1/A refining terms for its planned NYSE listing to fund its small modular reactor buildout, a sign underwriters are finalizing roadshow pricing.โ†’
  10. The SPAC Pipeline Is Quietly Filling Back UpTwo SPAC vehicles, Crestone Strategic Capital and Material Resource Acquisition Corp, both progressed toward listing this week, a quiet sign the blank-check market is testing itself again.โ†’

Coverage Timeline

newest first
  1. Jul 17, 2026IPOPublic Markets Are Stress-Testing the AI Infra Tradeโ†’
  2. Jul 16, 2026IPOStandard Nuclear Debuts on NYSE After 58% IPO Cut$150M raise, $2.4B capโ†’
  3. Jul 15, 2026IPOStandard Nuclear Slashes IPO Size by 58% Ahead of Pricing$150M raise, ~$2.4B capโ†’
  4. Jul 15, 2026IPOStandard Nuclear Amends Its NYSE IPO Filingโ†’
  5. Jul 14, 2026IPOAnthropic's $965B Mark Meets the Physical-Infra IPO$965B valuation, $47B revenueโ†’
  6. Jul 13, 2026IPOStandard Nuclear Files for NYSE IPO to Fund SMR Buildout$356M targetโ†’
  7. Jul 7, 2026IPOStandard Nuclear Sets Terms for $356M NYSE IPO$355.9M target raiseโ†’
  8. Jul 7, 2026IPONuclear Fuel Maker Standard Nuclear Files for NYSE IPOS-1 filed June 18, ticker STDNโ†’
  9. Jun 18, 2026IPOStandard Nuclear Files S-1, Taking Advanced Nuclear to Public MarketsS-1 filedโ†’
  10. Jun 18, 2026IPOStandard Nuclear Files S-1, Putting Advanced Nuclear Fuel on the IPO RunwayS-1 filedโ†’
  11. Jun 18, 2026IPOStandard Nuclear Files for a US IPO to Fund Advanced Reactor FuelS-1 filedโ†’

All Coverage

IPO

Public Markets Are Stress-Testing the AI Infra Trade

Public Markets Are Stress-Testing the AI Infra Trade logo
IPO

Public Markets Are Stress-Testing the AI Infra Trade

Value Add Pulse analysis: Csquare's soft debut, Standard Nuclear's downsized listing, SpaceX's Starship setback and Alphabet's Gemini-delay selloff landed within 48 hours, showing markets are pricing AI-infra execution risk in real time.

IPO

Standard Nuclear Debuts on NYSE After 58% IPO Cut

Illustration for: Standard Nuclear Debuts on NYSE After 58% IPO Cut
IPO$150M raise, $2.4B cap

Standard Nuclear Debuts on NYSE After 58% IPO Cut

TRISO fuel maker Standard Nuclear began trading on the NYSE under ticker STDN after slashing its IPO size by 58% to $150 million on the eve of pricing, a live early test of how public markets value pre-revenue nuclear-fuel suppliers.

IPO

Standard Nuclear Slashes IPO Size by 58% Ahead of Pricing

Illustration for: Standard Nuclear Slashes IPO Size by 58% Ahead of Pricing
IPO$150M raise, ~$2.4B cap

Standard Nuclear Slashes IPO Size by 58% Ahead of Pricing

TRISO fuel maker Standard Nuclear cut its IPO to $150 million from a planned $355.88 million on the eve of pricing, a rare down-sizing that signals soft investor demand even inside the hot nuclear-fuel supply-chain theme.

IPO

Standard Nuclear Amends Its NYSE IPO Filing

Illustration for: Standard Nuclear Amends Its NYSE IPO Filing
IPO

Standard Nuclear Amends Its NYSE IPO Filing

Standard Nuclear filed an amended S-1/A refining terms for its planned NYSE listing to fund its small modular reactor buildout, a sign underwriters are finalizing roadshow pricing.

IPO

Anthropic's $965B Mark Meets the Physical-Infra IPO

Anthropic's $965B Mark Meets the Physical-Infra IPO logo
IPO$965B valuation, $47B revenue

Anthropic's $965B Mark Meets the Physical-Infra IPO

Anthropic's confidential S-1 and $965 billion valuation sit against a backdrop where this year's actual IPO winners -- SK Hynix, Csquare, Standard Nuclear -- have all been physical infrastructure, not software-first AI labs.

IPO

Standard Nuclear Files for NYSE IPO to Fund SMR Buildout

Illustration for: Standard Nuclear Files for NYSE IPO to Fund SMR Buildout
IPO$356M target

Standard Nuclear Files for NYSE IPO to Fund SMR Buildout

Standard Nuclear plans to list on the NYSE this week, offering 18.25 million shares at $18-$21 to raise roughly $356 million at a $3.3 billion valuation, funding its small modular reactor buildout.

IPO

Standard Nuclear Sets Terms for $356M NYSE IPO

Illustration for: Standard Nuclear Sets Terms for $356M NYSE IPO
IPO$355.9M target raise

Standard Nuclear Sets Terms for $356M NYSE IPO

Standard Nuclear disclosed terms for its NYSE IPO on July 7, offering 18.25 million shares at $18-$21 to raise up to $355.9 million and fund expansion of its domestic nuclear-fuel production.

IPO

Nuclear Fuel Maker Standard Nuclear Files for NYSE IPO

Illustration for: Nuclear Fuel Maker Standard Nuclear Files for NYSE IPO
IPOS-1 filed June 18, ticker STDN

Nuclear Fuel Maker Standard Nuclear Files for NYSE IPO

Standard Nuclear, an Oak Ridge maker of advanced TRISO reactor fuel with a $245 million backlog, filed for an NYSE IPO under ticker STDN as AI-driven power demand accelerates interest in next-generation nuclear supply chains.

IPO

Standard Nuclear Files S-1, Taking Advanced Nuclear to Public Markets

Illustration for: Standard Nuclear Files S-1, Taking Advanced Nuclear to Public Markets
IPOS-1 filed

Standard Nuclear Files S-1, Taking Advanced Nuclear to Public Markets

Standard Nuclear filed an S-1 registration statement with the SEC, moving to tap public markets as demand for advanced nuclear fuel and small modular reactors surges alongside the AI data-center power crunch. The filing adds a clean-energy name to a pipeline that has been dominated by AI and space.

IPO

Standard Nuclear Files S-1, Putting Advanced Nuclear Fuel on the IPO Runway

Illustration for: Standard Nuclear Files S-1, Putting Advanced Nuclear Fuel on the IPO Runway
IPOS-1 filed

Standard Nuclear Files S-1, Putting Advanced Nuclear Fuel on the IPO Runway

Standard Nuclear filed an S-1 registration statement with the SEC, pushing a domestic advanced-nuclear-fuel company toward public markets. The filing rides the same AI-power demand wave fueling fusion, and signals that the IPO pipeline is broadening from software into hard-tech energy.

IPO

Standard Nuclear Files for a US IPO to Fund Advanced Reactor Fuel

Illustration for: Standard Nuclear Files for a US IPO to Fund Advanced Reactor Fuel
IPOS-1 filed

Standard Nuclear Files for a US IPO to Fund Advanced Reactor Fuel

Oak Ridge-based Standard Nuclear filed an S-1 to go public as demand for AI data-center power revives the nuclear buildout. The company bills itself as the only independent, reactor-agnostic maker of TRISO fuel for advanced reactors, backed by a16z, Chevron Technology Ventures and Decisive Point.

Value Add Research

Related Companies

Shared investors

Trace's Take

Standard Nuclear is a bet on the AI-power-demand story getting so acute that public markets will fund a pre-scale nuclear-fuel manufacturer before it has meaningful revenue โ€” the IPO exists to build the factories, not to cash out a proven business. That's genuinely different from the software names on this list: the risk here is industrial execution (two facilities, on schedule, at cost) rather than product-market fit. If data-center power demand stays as steep as advertised, being the AI-adjacent picks-and-shovels play in nuclear fuel is a smart, underexploited niche; if the AI capex cycle cools, this is one of the more exposed names in the group.

How Standard Nuclear makes money

Standard Nuclear manufactures TRISO fuel โ€” an advanced, accident-tolerant nuclear fuel form required by next-generation reactor designs (including microreactors and high-temperature gas reactors) that today's commercial nuclear fleet does not use. The company was built on manufacturing assets purchased at auction for $28M following the 2024 bankruptcy of Ultra Safe Nuclear Corporation (USNC).

Its business is pre-revenue-at-scale infrastructure: IPO and Series A proceeds are funding the buildout of two US TRISO production facilities to move supply from pilot scale to industrial scale, positioned to sell to reactor developers like X-energy as data-center and grid operators scramble for new baseload power to feed AI compute demand.

Competitors

  • Centrus Energy โ€” Public enriched-uranium and HALEU fuel producer.
  • X-energy โ€” TRISO-fueled reactor developer and a key customer/partner.
  • BWX Technologies โ€” Established nuclear fuel and components manufacturer.
  • Global Nuclear Fuel / Westinghouse โ€” Incumbent conventional fuel-fabrication suppliers.

Profile sources (verified 2026-08-02): US News / Reuters โ€” Standard Nuclear eyes $3.55B IPO valuation ยท TechFundingNews โ€” Standard Nuclear $140M Series A ยท TechCrunch โ€” Standard Nuclear emerges from a failed startup

More on Standard NuclearFusion Energy Timeline โ†’Nuclear SMR Tracker โ†’IPO Dashboard โ†’IPO Wave 2026 โ†’Fusion Energy Timeline โ†’

Standard Nuclear FAQ

What does Standard Nuclear make?

Standard Nuclear manufactures TRISO fuel, an advanced accident-tolerant nuclear fuel required by next-generation reactor designs, built on manufacturing assets bought out of the 2024 Ultra Safe Nuclear Corporation bankruptcy.

How much has Standard Nuclear raised?

Standard Nuclear has raised $182.5M in total funding (As of Jan 26, 2026, BusinessWire).

Who are Standard Nuclear's investors?

Standard Nuclear's investors include Andreessen Horowitz, Chevron Technology Ventures, Crosscut Ventures, Crucible Capital, Decisive Point, and 4 more (As of Jul 16, 2026).

Is Standard Nuclear publicly traded?

Yes. Standard Nuclear trades under the ticker STDN on NYSE.

Sources & methodologyshow
Where these figures come from

Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.

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