As of November 6, 2026, QT Imaging Holdings, Inc. is a publicly traded company (Nasdaq: QTI); its largest reported holder is Alyeska, with 9.99% on Schedule 13G of February 17, 2026, then Lynrock Lake LP (9.7%). The largest insider holding is Raluca Dinu, the chief executive and a director, with 1,393,066 shares (9.5% of shares outstanding), per Form 4 of August 31, 2026 (Schedule 13G, February 17, 2026).
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Is QT Imaging Holdings, Inc. a real, registered company?
- Qt Imaging Holdings, Inc. files with the SEC under CIK 1844505 (its SEC filings).
- Its shares are listed under the ticker QTI on Nasdaq (also QTIWW) (SEC company record).
- Incorporated in Delaware; business address in Novato, California, 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 QT IMAGING HOLDINGS, 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 Alyeska (filed 2026-02-17).
Who are QT Imaging Holdings, Inc.'s owners and officers?
QT Imaging Holdings, Inc.: incorporated in Delaware; business address in Novato, California; industry Electromedical & Electrotherapeutic Apparatus (Schedule 13G/A, 2026-05-08).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-05-08 | Alta Partners LLC | 4.3% |
| Schedule 13G, 2026-02-17 | Alyeska Investment Group, L.P. | 9.99% |
| Schedule 13G/A, 2026-02-17 | Lynrock Lake LP | 9.7% |
| Schedule 13G, 2025-08-28 | Alta Partners LLC | 5.6% |
Questions about who owns QT Imaging Holdings, Inc.
Who owns QT Imaging Holdings, Inc.?
On this page, 2 holders' latest ownership filings report 5% or more of QT Imaging Holdings, Inc.: Alyeska Investment Group, L.P. (9.99%, Schedule 13G, filed 2026-02-17) and Lynrock Lake LP (9.7%, Schedule 13G/A, filed 2026-02-17).
Who are the largest shareholders of QT Imaging Holdings, Inc.?
By the share each holder's latest filing reports, the largest holders of QT Imaging Holdings, Inc. on this page are Alyeska Investment Group, L.P. (9.99%) and Lynrock Lake LP (9.7%).
When did Alyeska Investment Group, L.P. buy into QT Imaging Holdings, Inc.?
The filings give report dates, not purchase dates. The earliest filing from Alyeska Investment Group, L.P. on this page is the Schedule 13G, filed 2026-02-17, reporting 9.99%.
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%); 4 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 Qt Imaging Holdings, 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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Which insiders own QT Imaging Holdings, 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: 1,393,066 shares (9.5% of shares outstanding) (Form 4, 2026-08-31).
- GigAcquisitions5, LLC, a 10% owner: 775,571 shares (5.3% of shares outstanding), on a joint filing (Form 4, 2025-03-25).
- , the chairman and a director: 416,952 shares (2.8% of shares outstanding) (Form 4, 2026-03-24).
- , a director: 60,578 shares (0.41% of shares outstanding) (Form 4, 2026-03-24).
- , a director: 55,093 shares (0.38% of shares outstanding) (Form 4, 2026-03-24).
Shares outstanding: 14,636,524 as of 2026-08-12, from the company's latest SEC cover page.
How much has QT Imaging Holdings, Inc. raised?
Latest IPO step: QT Imaging Holdings, Inc. amended its IPO registration (S-1/A, 2025-12-29).
IPO filings: S-1/A, 2025-12-29, S-1, 2025-11-03, S-1/A, 2025-01-31, S-1, 2025-01-16.
Keep reading
More on Qt Imaging Holdings, Inc. and the records around it.
Qt Imaging Holdings, Inc. elsewhere on the record
- 5%+ stake filings May 2026
Companies that share a holder
- Lynrock Lake LP also filed stake reports on 12 other companies: RADCOM LTD (Sep 2026), TechTarget, Inc. (Aug 2026), Yext, Inc. (Jul 2026)
- Alta Partners LLC also filed stake reports on 26 other companies: Robin Energy Ltd. (Oct 2026), Huachen AI Parking Management Technology Holding Co., Ltd (Oct 2026), C3is Inc. (Oct 2026)
- Alyeska Investment Group, L.P. also filed stake reports on 81 other companies: ABUNDIA GLOBAL IMPACT GROUP, INC. (Aug 2026), Bakkt, Inc. (Aug 2026), BATTALION OIL CORP (Aug 2026)
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