As of November 4, 2026, Aetherion Technoligies Inc. is a publicly traded company (Nasdaq: AETR); its largest reported holder is CVI Investments, Inc., with 9.9% on Schedule 13G of June 29, 2026, then Grace & White, Inc. (6.7%). No bankruptcy or receivership appears in its SEC Form 8-K filings. Other passive holders reporting on Schedule 13G include Royce & Associates LP (6.55%) (Schedule 13G, June 29, 2026).
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Is Aetherion Technoligies Inc. a real, registered company?
- Aetherion Technoligies Inc. files with the SEC under CIK 1370416 (its SEC filings).
- Its shares are listed under the ticker AETR on Nasdaq (also WPRT) (SEC company record).
- Incorporated in A0, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under WESTPORT FUEL SYSTEMS INC. in our court records and SEC 8-K records (as of 2026-11-04).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Royce & Associates LP (filed 2026-10-29).
Who are Aetherion Technoligies Inc.'s owners and officers?
Aetherion Technoligies Inc.: industry Engines & Turbines (Schedule 13G/A, 2026-10-29).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2026-09-29)
- : Executive Officer (Form D, 2026-09-29)
- : Director (Form D, 2026-09-29)
- : Director (Form D, 2026-09-29)
- : Director (Form D, 2026-09-29)
- : Director (Form D, 2026-09-29)
- : Director (Form D, 2026-09-29)
- : Executive Officer (Form D, 2026-09-29)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-29 | Royce & Associates LP | 6.55% |
| Schedule 13G, 2026-07-22 | Royce & Associates LP | 5.09% |
| Schedule 13G, 2026-06-29 | Cvi Investments, Inc. | 9.9% |
| Schedule 13G/A, 2026-02-06 | Robert W. Baird & Co. Inc | 1% |
| Schedule 13G/A, 2026-01-27 | Grace & White, Inc. | 6.7% |
Questions about who owns Aetherion Technoligies Inc.
Who owns Aetherion Technoligies Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of Aetherion Technoligies Inc.: Cvi Investments, Inc. (9.9%, Schedule 13G, filed 2026-06-29), Grace & White, Inc. (6.7%, Schedule 13G/A, filed 2026-01-27) and Royce & Associates LP (6.55%, Schedule 13G/A, filed 2026-10-29).
Who are the largest shareholders of Aetherion Technoligies Inc.?
By the share each holder's latest filing reports, the largest holders of Aetherion Technoligies Inc. on this page are Cvi Investments, Inc. (9.9%), Grace & White, Inc. (6.7%) and Royce & Associates LP (6.55%).
When did Cvi Investments, Inc. buy into Aetherion Technoligies Inc.?
The filings give report dates, not purchase dates. The earliest filing from Cvi Investments, Inc. on this page is the Schedule 13G, filed 2026-06-29, reporting 9.9%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 5 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What the Full Report on Aetherion Technoligies Inc. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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How much has Aetherion Technoligies Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2026-09-29 | $0 | $25M |
Latest IPO step: Aetherion Technoligies Inc. filed to go public (F-1, 2026-09-18).
IPO filings: F-1, 2026-09-18, F-1, 2026-07-21; ticker WPRT on Nasdaq Global Select Market.
Keep reading
More on Aetherion Technoligies Inc. and the records around it.
Aetherion Technoligies Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
Companies that share a holder
- GRACE & WHITE, INC. also filed stake reports on 4 other companies: Orion Energy Systems, Inc. (Jan 2026)
- Robert W. Baird & Co. Inc also filed stake reports on 6 other companies: FIRST TRUST EXCHANGE-TRADED FUND (Oct 2026), FIRST TRUST EXCHANGE-TRADED FUND III (Aug 2026), Russell Investments Exchange Traded Funds (Aug 2026)
- CVI Investments, Inc. also filed stake reports on 48 other companies: Pine Tree Acquisition Corp. (Oct 2026), Sunshine Biopharma Inc. (Oct 2026), Outlook Therapeutics, Inc. (Aug 2026)
Related pages
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https://mentionfox.com/who-owns/aetherion-technoligies