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Austin, TX, USA · Private · aalo.com
Sodium-cooled microreactor
Capital raised (disclosed)
≥$127M (excludes an undisclosed Apr 2026 round)
as of 2026 · newmarketpitch.com
Open roles
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no public job board
Federal awards
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none found
Last private raise
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no Form D on file
SEC filings
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not an SEC filer
Coming up
POLICYRussian uranium import ban: waiver period
DOE can grant waivers for Russian enriched uranium until Jan 1, 2028; after that the ban is absolute. Affects Fission.
+ THESISPOLICY45Y / 48E: all other clean power and storage
Full credit for projects beginning construction through 2033; 75% for 2034 starts, 50% for 2035, none from 2036. Affects Fission.
+ THESISPOLICYDOE Energy Dominance Financing: Constellation and Alliant
Up to $5B conditional loan to Constellation for nuclear uprates (~1.1 GW) and a closed $5.1B loan to Alliant for gas, storage and upgrades (~2.6 GW). The office (formerly the Loan Programs Office) has over $300B of authority. Affects Fission.
+ THESISPOLICYDOE adds helium to the Critical Material List
DOE added helium to its Critical Material List, citing semiconductors, natural-gas leak testing and quantum computing. Helium also cools fusion magnets and high-temperature gas reactors. Affects Fission.
+ THESISFUNDINGAalo reportedly negotiating ~$500M Series C at $4-5B valuation
Reports say Aalo is negotiating a roughly $500M Series C building on an existing SAFE with a $3B valuation cap, with proceeds earmarked for a GigaWatt Factory targeted for 2028. This is unconfirmed by a company announcement; one aggregator (PitchBook) lists a $500M Series C dated 30 Sep 2026 as completed, but this is not verified by a primary source, so the Value field was not changed.
ventureatlas.org →+ THESISPROJECTAalo's Critical Test Reactor reaches criticality at Idaho National Laboratory
Aalo's Critical Test Reactor at INL achieved initial criticality at 00:20 local time on 4 July 2026 under DOE authorization, meeting the Reactor Pilot Program deadline. The company's full-scale Aalo-X is targeted for completion by end of 2026, with full-power operation planned for 2027.
world-nuclear-news.org →+ THESISDOE · AALO-XDOE authorized
Aalo-X, sited on DOE land at Idaho National Laboratory, is authorized by DOE under the Reactor Pilot Program rather than NRC. DOE approved the PDSA on March 4, 2026, and Secretary Wright signed the final startup authorization on June 25, 2026; the zero-power critical test reached criticality in the early morning of July 4, 2026. NRC has no docket for Aalo-X itself; NRC pre-application docket 99902128 covers the commercial Idaho Nuclear Project, and Aalo plans to submit a commercial NRC application in 2026.
nrc.gov →+ THESISPOLICYDOE Energy Dominance Financing: 10 large reactors
Up to $17.5B in conditional loans for ten Westinghouse AP1000 reactors at five sites; partners must commit $1B equity per project. Utility selections expected in the second half of 2026. Affects Fission.
+ THESISHow it works
The core sits in a pool of liquid metal or molten salt that carries heat away at normal pressure. Some designs store that heat in molten-salt tanks so the plant can boost output when the grid needs it.
OPEN IN 3D →ProofAalo-X sodium-cooled microreactor reached criticality on the DOE deadlineJul 4, 2026neutronbytes.com
NextCommercial Aalo Pod deployments
Supply-chain security
Secured · Contracted · At risk · Unknown — rated only on public evidence; Unknown means nothing has been disclosed.
Sources: company job boards (daily), SEC EDGAR, USAspending.gov, and the reviewed technology spreadsheets. Public records only cover US entities, so foreign companies and private firms that don't file will show gaps.
No public filings, raises or hiring trend to read yet.
Read from SEC 8-Ks (bankruptcy, default, delisting, restatement, impairment, restructuring), cash runway in annual reports, Form D raises and the 30-day hiring trend. A prompt to look closer, not a credit rating.
No public job board on Greenhouse, Lever or Ashby, so hiring isn't tracked for this company yet.
No federal grants, contracts or loans found on USAspending.gov under this company's US entity name.
STEP 4/6 · AT RISK HALEU is the bottleneckMost advanced designs need HALEU (5–20% enriched), with no commercial US supply at scale yet.
STEP 4/4 · WATCH Office relaunched as Energy Dominance FinancingLending shifts toward nuclear and utility expansions (AP1000 offers, Constellation uprates).
Critical inputs
Policy that applies
No minerals, policies or partners linked yet. Add them in the review spreadsheet.
2026-07-31 · funding
Aalo reportedly negotiating ~$500M Series C at $4-5B valuationReports say Aalo is negotiating a roughly $500M Series C building on an existing SAFE with a $3B valuation cap, with proceeds earmarked for a GigaWatt Factory targeted for 2028. This is unconfirmed by a company announcement; one aggregator (PitchBook) lists a $500M Series C dated 30 Sep 2026 as completed, but this is not verified by a primary source, so the Value field was not changed.2026-07-04 · project
Aalo's Critical Test Reactor reaches criticality at Idaho National LaboratoryAalo's Critical Test Reactor at INL achieved initial criticality at 00:20 local time on 4 July 2026 under DOE authorization, meeting the Reactor Pilot Program deadline. The company's full-scale Aalo-X is targeted for completion by end of 2026, with full-power operation planned for 2027.Not an SEC filer, or no US entity matched. Most private and foreign companies don't file.