Who owns QT Imaging Holdings, Inc.?
Institutional ownership of QTI from SEC Form 13F filings across 21 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
21
13F holders
$3.5M
value, 2026 filers
6.2%
of shares outstanding (860,179 sh)
6
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of QTI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 356,448 | $1.5M | 0.0% | 2.6% | +712.8% |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | 135,418 | $551,417 | 0.0% | 1% | -4.5% |
| 3 | CITADEL ADVISORS LLCNEW | 114,099 | $464,383 | 0.0% | 0.8% | new |
| 4 | BlackRock, Inc. | 61,353 | $249,707 | 0.0% | 0.4% | +116.5% |
| 5 | MILLENNIUM MANAGEMENT LLC | 55,340 | $225,234 | 0.0% | 0.4% | -21.1% |
| 6 | VANGUARD FIDUCIARY TRUST CO | 50,765 | $206,614 | 0.0% | 0.4% | +2896.8% |
| 7 | Blue Trust, Inc. | 23,998 | $97,672 | 0.0% | 0.2% | 0.0% |
| 8 | NORTHERN TRUST CORP | 20,772 | $84,542 | 0.0% | 0.2% | +7.5% |
| 9 | Sio Capital Management, LLCNEW | 15,236 | $62,011 | 0.0% | 0.1% | new |
| 10 | WELLS FARGO & COMPANY/MN | 6,880 | $28,002 | 0.0% | 0% | +23.8% |
| 11 | UBS Group AG | 5,643 | $22,967 | 0.0% | 0% | +88.0% |
| 12 | FIFTH THIRD BANCORP | 3,967 | $16,146 | 0.0% | 0% | 0.0% |
| 13 | SIGNATUREFD, LLCNEW | 2,858 | $11,632 | 0.0% | 0% | new |
| 14 | JNBA Financial Advisors | 2,500 | $10,175 | 0.0% | 0% | 0.0% |
| 15 | JONES FINANCIAL COMPANIES LLLP | 1,594 | $6,488 | 0.0% | 0% | 0.0% |
| 16 | Tower Research Capital LLC (TRC) | 1,240 | $5,047 | 0.0% | 0% | -8.8% |
| 17 | Rockefeller Capital Management L.P.NEW | 1,000 | $4,070 | 0.0% | 0% | new |
| 18 | Federation des caisses Desjardins du QuebecNEW | 500 | $2,035 | 0.0% | 0% | new |
| 19 | OSAIC HOLDINGS, INC. | 271 | $1,102 | 0.0% | 0% | 0.0% |
| 20 | Steward Partners Investment Advisory, LLC | 229 | $932 | 0.0% | 0% | 0.0% |
| 21 | BARCLAYS PLCNEW | 68 | $277 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.