Companies · Energy

Atomos Nuclear & Space Corp

DENVER · Energy · refined from filed group “Other Technology

Diligence memoA one-page analyst read on Atomos Nuclear & Space Corp — recommendation, valuation, rhythm, risks.
$19.0M
Total raised · real
3
Rounds
7.7×
Latest step-up
Top 10%
Sector rank · raised
Series B
Latest stage · inferred · Thu Dec 22 2022 00:00:00 GMT+0000 (Coordinated Universal Time)

Atomos Nuclear & Space Corp has raised $19M over 3 rounds; too few niche peers to rank its valuation yet.

Synthesized from the figures below est. — every claim rests on a number shown on this page. Valuation uses the energy sector profile.

Analyst read est. — computed against this company's niche peers in the same era. Inputs shown; not a quoted figure.

At-risk
  • Last raise 3.5 yr ago; this sector typically re-raises about every 12 months.
  • Past due for a raise versus sector cadence — watch for distress or a bridge.
Leadership

No named principal in this company's public records yet — see all operators below.

Explore how these operators interlock with other companies in the operator network.

Where it sits in Energy

Atomos Nuclear & Space Corp is one of 69 Energy companies tracked from DENVER. By capital raised it ranks among the largest (ahead of 91% of sector peers), and among the largest by modeled valuation est..

Ranking is computed against this company's own sector cohort — reported capital is fact; valuation tiers are modeled.

energy

As reported in public records reported — not modeled.

US
Jurisdiction
Rule 506(b)
Reg D exemption
12
Investors (latest)
2022-12-22
First sale
Amount raised vs valuation, by round

Solid bars are reported offering amounts reported; hatched bars are the modeled post-money valuation est. — both on one shared scale so you can read raise-vs-worth at each round directly. Use the toggles to overlay data labels and the niche-peer / market average value lines.

Amount raised · realModeled valuation · estCumulative funded · real
$0$50M$100M$150M$200MPre-Seed · 2018-12-10 Raised $710K (real) Modeled valuation $11M (est)$710K$11MPre-Seed2018Seed · 2021-05-20 Raised $2.1M (real) Modeled valuation $21M (est)$2.1M$21MSeed2021Series B · 2022-12-22 Raised $16M (real) Modeled valuation $116M (est)$16M$116MSeries B2022+$2.1M+$16MCumulative $19M

The line shows cumulative reported funding over the period; + labels show new capital added between points when there is room. Toggle on-bar figures, plus the niche-peer and market averages, to read this company against its cohort. Benchmarks are modeled medians.

Financing ladder & sequence gaps
Pre-Seed$710K · 2018
Seed$2.1M · 2021
Series B$16.2M · 2022no Series A on file

Stages are modeled from round size (public records carry no series label). No record for: Series A — the company may have raised it under a different exemption, merged it into an adjacent record, or skipped it. Sequence completeness: 75%.

Modeled valuation trajectory
$115.9M
Base estimate est.
$38.5M
Conservative case
$277.8M
Upside case
$90.1M
Modeled post-money

Round size and date are reported; the stage label is inferred from round size (latest is Series Ba $15M–$40M round). Valuation is modeled from stage benchmarks scaled by the energy sector profile. Directional, not a quoted figure.

Pre-Seed · modeled $11.5M · 2018-12-102018Seed · modeled $20.7M · 2021-05-20Series B · modeled $115.9M · 2022-12-222022
Model inputs · modeled:benchmark-stage-stepup-v1
18%
Dilution assumption
Implied ownership sold in the financing.
65%
Survival probability
43% low · 79% high
1.22×/yr
Annual markup
1.47×/yr upside case
3.5 yr
Elapsed time used
3.5 yr actual, capped for stale marks
energy
Sector profile
Adjusts growth and survival by industry.
Financing rhythm
24 mo
Avg between rounds
$4.7M/yr
Capital velocity
7.6 yr
On record since
2018
First round
3
Rounds on file
How it compares to the market

Benchmarked against 69 companies in Energy. Each bar is a median (the middle company, not an average — outliers don't skew it). Two yardsticks: real money raised (reported on Form D) and modeled value (our estimate est.). These are whole-sector medians across all stages, except the per-stage row.

Total raised — vs sector median (real $, all stages) 2.8× above median
This company$19.0M
Sector median$6.8M
Latest round — vs other Series B rounds in sector (real $, this stage) 0.7× of median
This company$16.2M
Sector median$24.6M
Modeled value — vs sector median (estimate, all stages) 5.2× above median
This company$115.9M
Sector median$22.4M

Raised more than 91% of sector peers (real $). Modeled value above 93% of peers (estimate).

Full financing history

Stage is inferred from round size est., not reported on the filing — a round's dollar size maps to a bucket: Pre-Seed <$1.0M · Seed $1.0M–$4.0M · Series A $4.0M–$15M · Series B $15M–$40M · Series C $40M–$100M · Series D+ $100M–$400M · Growth/Late >$400M.

StageAmount · realAnnouncedPost-money · estValue · estConf.
Pre-Seed$710K2018-12-10$3.9M$11.5M90%
Seed$2.1M2021-05-20$10.6M$20.7M90%
Series B$16.2M2022-12-22$90.1M$115.9M90%
What happened at each round

Step-up, pace versus the sector's normal cadence, and revenue/exemption moves — read straight from the reported round facts reported.

  1. Pre-Seed$710K2018-12-10
    • First recorded raise — entered as Pre-Seed.
    • 11 investors on this round.
  2. Seed$2.1M2021-05-20
    • Raised again after 29 mo — slower than the ~12 mo sector norm.
    • Round 3.0× larger than the prior — scaling up.
    • 17 investors on this round.
  3. Series B$16.2M2022-12-22
    • Raised again after 19 mo — slower than the ~12 mo sector norm.
    • Round 7.7× larger than the prior — scaling up.
    • 12 investors on this round.
Intelligence
2024 ~Q4
Modeled next raise · ~24mo cadence
$48.7M
Modeled next size est.range $31.6M$77.8M
7.7×
Last step-up
$4.7M/yr
Capital velocity

Predictive signals are modeled est. from this company's own cadence and step-up, plus sector benchmarks — directional, not advice. Peer set and a CSV export live in your analyst workspace.

Key people & operators

Officers, directors and promoters named in this company's public recordsreported — the people who run it (not its investors). "Also runs" counts come from name-matching across all records, so verify before acting.

PersonRoleAlso runsTied since
Ian L Rountree2022-12
Keller J. Seamons2021-05
Keller L Seamons2022-12
Shay L Har-Noy2022-12
Vanessa Jane Clark2018-12
Vanessa J. Clark2021-05
Vanessa L Clark2022-12
William Leonard Kowalski2018-12
William L Kowalski2021-05
Registry & provenance

Atomos Nuclear & Space Corp is an official record sourced from the U.S. Securities and Exchange Commission (SEC). U.S. data is aggregated from SEC Form D filings.

United States
Country of record
US
Jurisdiction
1764866
SEC CIK
Similar companies

Nearest neighbours across the whole database — matched on sector, stage and capital scale, and on shared operators (officers or directors named at both companies in public filings). A discovery shortlist, not a valuation cohort — verify before acting, the same way modeled figures are directional.

CompanySectorStageRaised · realValue · estWhy similar
Off Grid ElectricEnergySeries B$16.0M$185.6Msame sector · same stage
Deep Isolation Nuclear, Inc.EnergySeries B$33.0M$142.5Msame sector · same stage
Johnson Energy Storage, Inc.EnergySeries A$14.5M$3.4Msame sector
Power Grid Enterprises, Inc.EnergySeries A$14.0M$42.4Msame sector
Utility Associates, Inc.EnergySeries A$11.4M$50.7Msame sector
BlueLine Grid, Inc.EnergySeries A$10.3M$25.9Msame sector
Wireless Electrical Grid LAN, WiGL Inc.EnergySeries A$10.0M$105.6Msame sector
ArnergyEnergySeries A$9.0M$95.1Msame sector
Semantically similar

Matched by meaning, not labels — a local language model reads each company's name, sector and description and ranks the closest in that learned space. This catches look-alikes that cross sector boundaries; the structured list above explains its matches, this one trusts the text. Directional, like every modeled signal here.

CompanySectorStageValue · estMatch
Us Nuclear Corp.EnergySeed$678K83%
Atom Power, Inc.Other EnergySeries D+$1.1B83%
Eos Energy Enterprises, Inc.Other EnergySeries C$70.7M82%
Nano Nuclear Energy Inc.EnergySeed$9.1M82%
Terrestrial Energy Inc.Other EnergySeries B$112.6M81%
Antares Nuclear, Inc.Other EnergySeries C$284.0M81%
X Energy Reactor Company, LLCOther EnergySeed$20.6M81%
Delta-S Energy, Inc.Other EnergyPre-Seed$317K81%
Frequently asked
How much funding has Atomos Nuclear & Space Corp raised?
Atomos Nuclear & Space Corp has raised approximately $19.0M in disclosed capital across 3 recorded financing rounds, aggregated from public filings.
What is Atomos Nuclear & Space Corp's estimated valuation?
Provath's modeled valuation for Atomos Nuclear & Space Corp is approximately $115.9M (modeled range $38.5M–$277.8M). This is an algorithmic estimate derived from round sizes and same-niche peers — not a quoted or reported figure.
What funding stage is Atomos Nuclear & Space Corp at?
Atomos Nuclear & Space Corp's latest modeled financing stage is Series B. Its most recent recorded round closed around Thu Dec 22.
What does Atomos Nuclear & Space Corp do and where is it based?
Atomos Nuclear & Space Corp operates in the Energy sector, based in DENVER.
Explore related

See where Atomos Nuclear & Space Corp sits in the wider market — its sector, location and stage cohorts, each with their own leaderboards and capital-flow timelines.

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