QT Imaging Holdings, Inc.
QTI- Exchange
- Nasdaq
- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0001844505
No open-market purchases or sales by QT Imaging Holdings, Inc. insiders were filed in the last 90 days; 29 institutions reported holding it in 13F filings for Q2 2026, worth $13.3M in total; no superinvestor holds it.
Other share classesQTIWW
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +8 vs. previous quarter
- 29
- 13F valueReported value at the end of Q2 2026
- $13.3M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding QTI, Q2 2026
No superinvestor reported holding QTI at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by QT Imaging Holdings, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Katz Avi SCHAIRMAN | PPurchase | +24.1K | $6.43 | +$155.0K | +6.2%413.5K after | |
| Jan 23, 2026 (view filing) | Jan 22 | 1 day | Katz Avi SCHAIRMAN | PPurchase | +48.2K | $0.00 | $0 | –48.2K after | Derivative |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Katz Avi SChairman | PPurchase | +392.5K | $0.64 | +$251.2K | +50.6%1.17M after | |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Katz Avi SChairman | PPurchase | +784.9K | $0.00 | $0 | –784.9K after | Derivative |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Dinu RalucaChief Executive Officer | PPurchase | +392.5K | $0.64 | +$251.2K | +50.6%1.17M after | |
| Apr 10, 2025 (view filing) | Apr 9 | 1 day | Dinu RalucaChief Executive Officer | PPurchase | +784.9K | $0.00 | $0 | –784.9K after | Derivative |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | −2.67M | $0.584 | −$1.56M | −100.0%0 after | |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | +117.6K | $0.584 | +$68.7K | +17.9%775.6K after | |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | −2.67M | $0.672 | −$1.80M | –0 after | Derivative |
| Mar 25, 2025 (view filing)4:32 PM ET | Mar 21 | 4 days | Katz Avi S and 1 otherChairman | PPurchase | +75.4K | $0.672 | +$50.7K | –571.4K after | Derivative |
Top 10 13F holders, Q2 2026
The largest institutional positions in QT Imaging Holdings, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Lynrock Lake LP | 1,112,201 | $4.53M | 0.29% | −42,387−3.7% | Reduced |
| Alyeska Investment Group, L.P. | 702,776 | $2.86M | 0.01% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 356,448 | $1.45M | 0.00% | +334,522+1,525.7% | Added |
| Bleichroeder LP | 316,667 | $1.29M | 0.23% | +150,001+90.0% | Added |
| Geode Capital Management, LLC | 135,418 | $551.4K | 0.00% | −6,362−4.5% | Reduced |
| Citadel Advisors LLC | 114,099 | $464.4K | 0.00% | +114,099 | New |
| Perkins Capital Management Inc | 100,000 | $407.0K | 0.31% | +100,000 | New |
| Stonepine Capital Management, LLC | 100,000 | $407.0K | 0.31% | +100,000 | New |
| BlackRock, Inc. | 61,353 | $249.7K | 0.00% | +33,009+116.5% | Added |
| Millennium Management LLC | 55,340 | $225.2K | 0.00% | −14,804−21.1% | Reduced |