About Steel Atlas
Steel Atlas is a venture capital firm located in New York City, United States. As of Apr 2026, Steel Atlas is an active investor, having invested in 8 companies, with 1 new investment in the last 12 months. It primarily invests in Seed round in United States based startups. Its investments are spread across a wide range of sectors from High Tech to Auto Tech and FinTech. Most recently it participated in the $***** Series A round of quartermaster.us Overall, Steel Atlas portfolio has seen 1 IPO and 1 acquisition, namely Valon Mortgage and General Fusion. A lot of funds co-invest with Steel Atlas, with names like At One Ventures sharing a substantial percentage of its portfolio. Steel Atlas has team of 2 people including 1 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Locations
Rounds of Entry
Series A & Seed
Portfolio IPOs
Portfolio Acquisitions
Portfolio Soonicorns
Deals in last 12 months
Steel Atlas' List of Top Investments
Steel Atlas has a portfolio of 8 companies. Their most notable investmentis in TransmutexTheir portfolio spans across United States, Canada and Switzerland. They have invested in High Tech, Auto Tech, FinTech and 11 other sectors, across stages such as Series A, Seed stages. Here is the list of top investments by Steel Atlas:Cloud-native marketplace for mortgage loans. It offers loans from multiple banks and mortgage lenders. Its features include loan origination and approval, loan servicing, transferring the loan to bank accounts, and more. It provides escrow accounts for mortgage management and loan repayments.
Key facts about Valon Mortgage
- Founded Year: 2019
- Location: New York City (United States)
- Last Known Valuation: $*****
- Stage: Acquired
- Total Funding till date: $230M
- Employee Count: 579 as on May 31, 2026
- Investors: Fortress, Zigg Capital and 15 Others
- Latest Funding Round: Series C, Jul 25, 2024, $*****
- Highlight: Acquired
General Fusion is a developer of a magnetized nuclear fusion reactor. The reactor consists of 3 main components, a plasma injector, which converts hydrogen fuel into plasma & holds in a magnetic field; liquid metal wall, which compresses the plasma & captures the energy released; piston array, which collapses liquid metal vortex & shockwave formation by plasma compression. The hot liquid metal is used to operate a heat exchanger by producing power.
Key facts about General Fusion
- Founded Year: 2002
- Location: Burnaby (Canada)
- Stage: Public
- Total Funding till date: $515M
- Employee Count: 152 as on Jul 31, 2026
- Investors: Khazanah Nasional Berhad, GIC and 44 Others
- Latest Funding Round: Conventional Debt, Nov 27, 2025, $*****
- Highlight: Public

3. GenLogs
Provider of a platform delivering truck intelligence using sensor data. The platform offers insights into carrier sourcing, compliance, and visibility. It aids in carrier sales, shipper sales, and compliance management. The platform also assists with underwriting, claims mitigation, and fleet validation. It helps users source capacity, protect freight, and identify vehicles.
Key facts about GenLogs
- Founded Year: 2022
- Location: Washington, DC (United States)
- Stage: Series B
- Total Funding till date: $84.3M
- Employee Count: 105 as on Jul 31, 2026
- Investors: Battery Ventures, 9yards Capital and 12 Others
- Latest Funding Round: Series B, Dec 22, 2025, $*****
- Highlight: Editors' Pick
Key facts about Valar Atomics
- Founded Year: 2023
- Location: El Segundo (United States)
- Valuation: $*****
- Stage: Series B
- Total Funding till date: $1.49B
- Employee Count: 144 as on Jul 31, 2026
- Investors: Sequoia Capital, Point72 and 21 Others
- Latest Funding Round: Series B, Aug 03, 2026, $*****

5. Transmutex
Developer of accelerator-powered technology for nuclear waste remediation and medical isotope production. This technology transforms nuclear waste into clean energy, significantly reducing its volume and radiotoxicity. It also produces radioisotopes for use in medical diagnostics and treatment. The resulting energy can be utilized for district heating or electricity generation. The process offers enhanced safety and proliferation resistance while promoting environmental sustainability.
Key facts about Transmutex
- Founded Year: 2019
- Location: Geneva (Switzerland)
- Stage: Series A
- Total Funding till date: $31.9M
- Employee Count: 55 as on Jul 31, 2026
- Investors: Presight Capital, Verve Ventures and 10 Others
- Latest Funding Round: Series A, Jan 29, 2024, $*****
- Highlight: Editors' Pick
Steel Atlas' Year-on-Year Investment Trends
In 2025, it made 2 investments, while as of Apr 2026, it has made 1 investment in this year. Its most recent first time investment was in quartermaster.us and most recent follow-on round was in GenLogs.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 1 | 0 | 1 |
2025 | 1 | 1 | 2 |
2024 | 2 | 0 | 2 |
Steel Atlas' Investments by Stage
Steel Atlas has made 3 investments in Series A stage with an average round size of $29.7M and 1 investment in Seed stage with an average round size of $19M.Stage of entry | No. of Investments |
|---|---|
Series A | 3 |
Seed | 1 |
Note: We have considered here, only first round of investments
Steel Atlas' Investments by Sector
Steel Atlas has a diverse portfolio, with companies operating in the Energy, Environment, High Tech, Aerospace, Maritime and Defense Tech and Auto Tech. Notably, it has invested in 5 Tech companies, 4 Enterprise (B2B) companies, 3 Consumer (B2C) companies and at least 2 companies focusing on Tech hardware.Sector | No. of Investments |
|---|---|
Energy | 2 |
Environment | 2 |
High Tech | 2 |
Aerospace, Maritime and Defense Tech | 1 |
Auto Tech | 1 |
Others | 5 |
Note: We have considered here, only first round of investments
Steel Atlas' Investments by Geography
Steel Atlas has made most investments in United States (2), followed by Switzerland where it has made 1 investment.Country | No. of Investments |
|---|---|
United States | 2 |
Switzerland | 1 |
Note: We have considered here, only first round of investments
Steel Atlas' recent investments
Steel Atlas has made 1 investments in 2026 so far - quartermaster.us.Here are the most recent investments by Steel Atlas:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Apr 27, 2026 | - | Series A | 8985 | [+6] | |
Dec 22, 2025 | United States | Series B | 4564 | [+7] | |
Feb 19, 2025 | United States | Seed | 8260 | [+3] | |
Nov 27, 2024 | United States | Series A | 4302 | [+6] | |
Jan 29, 2024 | Switzerland | Series A | 9746 |
IPOs and Publicly Listed companies in Steel Atlas' Portfolio
1 of Steel Atlas' portfolio company became public - General Fusion. It got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Jul 2026.Here are Steel Atlas' portfolio companies that went public:
Company | IPO Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Jul 13, 2026 | - | - | 3954 |
Acquired companies in Steel Atlas' Portfolio
1 company from Steel Atlas' portfolio has been acquired. The most recent acquisition was Valon Mortgage in Aug 2026 by Carringtonmortgage for $*****.Here are Steel Atlas' portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Aug 04, 2026 | - | - | 5367 |
Team profile of Steel Atlas
Steel Atlas has a team of 2 members located in United States. Steel Atlas' team does not sit on the board of any company as of now.Co-investors of Steel Atlas
Over the past 2 years, 37 investors have co-invested in Steel Atlas's portfolio companies. This includes funds and angels.
- Invested before Steel Atlas: Fongit, Union Square Ventures and 2 others have invested in rounds before Steel Atlas. There is 1 company where Fongit has invested before Steel Atlas and 1 company where Union Square Ventures has invested before Steel Atlas.
- Top Co-investors of Steel Atlas: 24 investors entered a company along with Steel Atlas. These include investors like At One Ventures (1 company).
- Invested after Steel Atlas: A total of 9 investors have invested in Steel Atlas's portfolio after their investments. Top Investors include Battery Ventures (1 company), IVP (1 company) and Cathay Innovation (1 company).
Recent News related to Steel Atlas
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Quartermaster Raises $43 Million for Maritime Awareness NetworkSmart Maritime Network•May 21, 2026•Quiet Capital, First Round Capital, Steel Atlas, Shorewind Capital and 2 others
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GenLogs raises $60M Series B to enhance supply chain intelligence and securityFreightWaves•Feb 02, 2026•HOF Capital, Steel Atlas, GenLogs, TitletownTech and 8 others
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GenLogs Raises $14.6M in Series A FundingFinSMEs•Feb 05, 2025•GenLogs, Venrock, HOF Capital, Steel Atlas and 7 others
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