QTI QT Imaging Holdings, Inc.

NASDAQ
$2.91

QT Imaging Holdings, Inc. (QTI) Institutional Ownership

What the institutions did with QTI last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers reporting
31
filed a 13F this quarter
Managers holding
29
+8 on the quarter
Buyers
17
10 opened new
Sellers
6
2 sold out entirely
Buyer share
73.9%
of managers who traded it
Breadth
+47.8
net buyers, as a share of those trading

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Largest holders

Manager Shares % of reported
Lynrock Lake LP 1.1M 34.1%
Alyeska Investment Group, L.P. 702.8K 21.5%
VANGUARD CAPITAL MANAGEMENT LLC 356.4K 10.9%
Bleichroeder LP 316.7K 9.7%
GEODE CAPITAL MANAGEMENT, LLC 135.4K 4.1%
CITADEL ADVISORS LLC 114.1K 3.5%
PERKINS CAPITAL MANAGEMENT INC 100.0K 3.1%
Stonepine Capital Management, LLC 100.0K 3.1%
BlackRock, Inc. 61.4K 1.9%
MILLENNIUM MANAGEMENT LLC 55.3K 1.7%
Polar Asset Management Partners Inc. 51.7K 1.6%
VANGUARD FIDUCIARY TRUST CO 50.8K 1.6%
Blue Trust, Inc. 24.0K 0.7%
NORTHERN TRUST CORP 20.8K 0.6%
OXFORD FINANCIAL GROUP, LTD. LLC 20.6K 0.6%
Sio Capital Management, LLC 15.2K 0.5%
WELLS FARGO & COMPANY/MN 6.9K 0.2%
UBS Group AG 5.6K 0.2%
FIFTH THIRD BANCORP 4.0K 0.1%
SIGNATUREFD, LLC 2.9K 0.1%
JNBA Financial Advisors 2.5K 0.1%
JONES FINANCIAL COMPANIES LLLP 1.6K 0.0%
Tower Research Capital LLC (TRC) 1.2K 0.0%
Rockefeller Capital Management L.P. 1.0K 0.0%
Capital Advisor Network LLC 571 0.0%

Largest changes

Manager Action Previous Current Change
VANGUARD CAPITAL MANAGEMENT LLC Increased 21.9K 356.4K +334.5K
Bleichroeder LP Increased 166.7K 316.7K +150.0K
CITADEL ADVISORS LLC New 0 114.1K +114.1K
Stonepine Capital Management, LLC New 0 100.0K +100.0K
PERKINS CAPITAL MANAGEMENT INC New 0 100.0K +100.0K
Polar Asset Management Partners Inc. New 0 51.7K +51.7K
VANGUARD FIDUCIARY TRUST CO Increased 1.7K 50.8K +49.1K
Lynrock Lake LP Reduced 1.2M 1.1M -42.4K
BlackRock, Inc. Increased 28.3K 61.4K +33.0K
Veradace Capital Management LLC Sold Out 18.9K 0 -18.9K
Sio Capital Management, LLC New 0 15.2K +15.2K
MILLENNIUM MANAGEMENT LLC Reduced 70.1K 55.3K -14.8K
GEODE CAPITAL MANAGEMENT, LLC Reduced 141.8K 135.4K -6.4K
SIGNATUREFD, LLC New 0 2.9K +2.9K
UBS Group AG Increased 3.0K 5.6K +2.6K
NORTHERN TRUST CORP Increased 19.3K 20.8K +1.4K
WELLS FARGO & COMPANY/MN Increased 5.6K 6.9K +1.3K
Rockefeller Capital Management L.P. New 0 1.0K +1.0K
Capital Advisor Network LLC New 0 571 +571
Federation des caisses Desjardins du Quebec New 0 500 +500
Tower Research Capital LLC (TRC) Reduced 1.4K 1.2K -120
BARCLAYS PLC New 0 68 +68
ROYAL BANK OF CANADA Sold Out 44 0 -44

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.