Poseidon Holdings, LLC
Rebreather diving equipment and underwater breathing apparatus systems
- Sector
- Robotics
- Headquarters
- AUBURN, ME
- Founded
- 2022
- Latest Form D
- $916K, Mar 2026
- Total capital
- $6.4M
- Federal grants
- None on recordNo awards found in SBIR/STTR, NIH, NSF or DoD records.
- Private capital raised
- $6.4M
- 2 Form D · last Mar 2026
- 7 months since last filing
- Federal contracts
- None on recordNo federal contract awards found.
- Granted patents
- None on recordNo USPTO grants. Applications publish after 18 months.
Capital timeline
Latest events
- Private capital raisedForm D · SEC · 2nd filing$916K
- Private capital raisedForm D · SEC · 1st filing$5.5M
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.
Founders and team
From SEC Form D filings- GINA NEWBYExecutive OfficerNamed in SEC Form D filings
- JOEL NEWBYExecutive OfficerNamed in SEC Form D filings
- MATHEW OWENSExecutive OfficerNamed in SEC Form D filings
What it has protected
No granted patents are on record.
USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.
Checked: USPTO granted patents and published applications · Oct 23, 2026
Related companies, and why
- Drone Volt S.A.Similar federal contract value in Robotics · null in contracts
- ClearMotion, Inc.Similar federal contract value in Robotics · null in contracts
- TwolabsSimilar federal contract value in Robotics · null in contracts
- TANGIBLE ROBOTICS INCSimilar federal contract value in Robotics · null in contracts
- DockTechSimilar federal contract value in Robotics · null in contracts
- Water Redevelopment CoSimilar federal contract value in Robotics · 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 .