As of November 6, 2026, AmpliTech Group, Inc. is a publicly traded company (Nasdaq: AMPG); its largest reported holder is G1 Execution Services, LLC, with 6.9% on Schedule 13G of August 14, 2026, then Citadel Securities GP LLC (5.7%) (Schedule 13G, August 14, 2026).
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Is AmpliTech Group, Inc. a real, registered company?
- AmpliTech Group, Inc. files with the SEC under CIK 1518461 (its SEC filings).
- Its shares are listed under the ticker AMPG on Nasdaq (also AMPGZ) (SEC company record).
- Incorporated in Nevada; business address in Hauppauge, New York, 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 AmpliTech Group, Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Funicular Funds, LP (filed 2026-10-07).
Who are AmpliTech Group, Inc.'s owners and officers?
AmpliTech Group, Inc.: incorporated in Nevada; business address in Hauppauge, New York; industry Communications Equipment, NEC (Schedule 13G, 2026-10-07).
Officers and directors, each with the role and the filing that names them:
- : Executive Officer, Director (Form D, 2025-05-07)
- : Executive Officer, Director (Form D, 2025-05-07)
- : Director (Form D, 2025-05-07)
- : Director (Form D, 2025-05-07)
- : Director (Form D, 2025-05-07)
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-10-07 | Funicular Funds, LP | 5.4% |
| Schedule 13G, 2026-10-06 | Citadel Securities Gp LLC | 5.7% |
| Schedule 13G, 2026-08-14 | G1 Execution Services, LLC | 6.9% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G, 2026-01-30 | The Vanguard Group | 7.06% |
Questions about who owns AmpliTech Group, Inc.
Who owns AmpliTech Group, Inc.?
On this page, 3 holders' latest ownership filings report 5% or more of AmpliTech Group, Inc.: G1 Execution Services, LLC (6.9%, Schedule 13G, filed 2026-08-14), Citadel Securities Gp LLC (5.7%, Schedule 13G, filed 2026-10-06) and Funicular Funds, LP (5.4%, Schedule 13G, filed 2026-10-07).
Who are the largest shareholders of AmpliTech Group, Inc.?
By the share each holder's latest filing reports, the largest holders of AmpliTech Group, Inc. on this page are G1 Execution Services, LLC (6.9%), Citadel Securities Gp LLC (5.7%) and Funicular Funds, LP (5.4%).
When did G1 Execution Services, LLC buy into AmpliTech Group, Inc.?
The filings give report dates, not purchase dates. The earliest filing from G1 Execution Services, LLC on this page is the Schedule 13G, filed 2026-08-14, reporting 6.9%.
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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Who Runs It, And How To Reach Them
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Which insiders own AmpliTech Group, Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and a director: 2,726,611 shares (9.1% of shares outstanding) (Form 4, 2026-08-21).
- , a director: 238,743 shares (0.79% of shares outstanding) (Form 4, 2026-07-24).
- , the chief operating officer: 77,000 shares (0.26% of shares outstanding) (Form 4, 2026-07-24).
- , a director: 60,000 shares (0.20% of shares outstanding) (Form 4, 2025-12-15).
- , the chief financial officer and a director: 60,000 shares (0.20% of shares outstanding) (Form 4, 2026-05-29).
Shares outstanding: 30,043,887 as of 2026-08-11, from the company's latest SEC cover page.
How much has AmpliTech Group, Inc. raised?
| Filed | Sold | Offered |
|---|---|---|
| Form D, 2025-05-07 | $1.50M | $4M |
Keep reading
More on AmpliTech Group, Inc. and the records around it.
AmpliTech Group, Inc. elsewhere on the record
- 5%+ stake filings Oct 2026
- Form D filing May 2025
Companies that share a holder
- Funicular Funds, LP also filed stake reports on 10 other companies: SYNLOGIC, INC. (Jul 2026), Rein Therapeutics, Inc. (May 2026), Pasithea Therapeutics Corp. (Apr 2026)
- Citadel Securities GP LLC also filed stake reports on 24 other companies: CIPHER DIGITAL INC. (Oct 2026), First Solar, Inc. (Oct 2026), IREN Limited (Sep 2026)
- G1 Execution Services, LLC also filed stake reports on 45 other companies: Bitdeer Technologies Group (Aug 2026), Compass Diversified Holdings (Aug 2026), Dave Inc. (Aug 2026)
Related pages
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