Colossus Computing, Inc.
Radiation-tolerant computational storage system for high-radiation environments
- Sector
- Semiconductors
- Headquarters
- OAKLAND, CA
- Founded
- 2021
- Latest Form D
- $180K, Jun 2026
- Total capital
- $2.1M
- Federal grants
- $1.9M
- 1 award · 2025
- Rank in peer group#1 of 10
- Private capital raised
- $180K
- 2 Form D · last Jun 2026
- 4 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- 0
- 1 pending
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 2nd filing$180K
- Federal grantDefense · Phase II · F2D-14454 Zephyr Computing Systems, Inc. The Primary Focus Of This D2P2 Effort Is To Modify The Existing Falcon Design By Designing A Custom Add-on Board For It Based On Focused Interviews With Sda Vendors Building Satellites.$1.9M
- Offering registeredForm D · SEC · 1st filing$5M
Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.
Standing among 10 peers
Line = medianSemiconductors · System
- Federal grants#1 · top 10%
Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.
Founders and team
From SEC Form D filings- Alex SwehlaDirectorNamed in SEC Form D filings
- Jason CerundoloExecutive Officer, DirectorNamed in SEC Form D filings
- Sean SwehlaDirectorNamed in SEC Form D filings
What it has protected
USPTO · 0 granted of 1- PendingRadiation Tolerant Data StorageUSPTOApplication PCTUS2024054252
Related companies, and why
- 3D-OxidesSimilar federal contract value in Semiconductors · null in contracts
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- selfarraySimilar federal contract value in Semiconductors · null in contracts
- Substrate, Inc.Similar federal contract value in Semiconductors · null in contracts
- Matter Intelligence Inc.Similar federal contract value in Semiconductors · null in contracts
- Sequal IncSimilar federal contract value in Semiconductors · null in contracts
Sources
Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.
How to read this page
Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.
Data freshness
SEC Form D filings through . SBIR and STTR awards through .