T3 Defense DFNS Institutional Ownership

Updated Oct 10, 2026

T3 Defense Inc. (NASDAQ:DFNS) appeared in the 13F filings of 26 institutional investors for the quarter ended June 30, 2026.

• Their combined stake equaled 6.26% of outstanding shares in Q2 2026, down from 6.33% in Q1 2026.
• Total holdings of T3 Defense shares rose 145.37% from Q1 2026, and the number of holders rose 116.67% from Q2 2025.
• Among the 26 holders of T3 Defense, 21 added to their positions, 2 reduced their stakes and 3 left their positions unchanged.
• Altogether, institutional holders owned 47.5K DFNS shares at the end of Q2 2026, up 28.14K from the prior quarter and up 45.86K from a year earlier.
• As of June 30, 2026, Vanguard Capital Management LLC held the largest stake in T3 Defense with 18.94K shares, or 2.50% of shares outstanding.
• Among holders that already owned T3 Defense, the biggest buyers in Q2 2026 were Vanguard Capital Management LLC (+13.76K shares), Jane Street Group, LLC (+8.33K shares), Vanguard Personalized Indexing Management, LLC (+2.57K shares), Vanguard Fiduciary Trust Co (+1.71K shares) and UBS Group AG (+1.13K shares).
• The largest position reductions in DFNS for Q2 2026 were by BlackRock, Inc. (-427 shares) and Osaic Holdings, Inc. (-1 share).
• Business Quant data shows the 10 biggest positions in T3 Defense as of Q2 2026 were held by Vanguard Capital Management LLC (18.94K shares), Jane Street Group, LLC (8.58K shares), UBS Group AG (4.97K shares), BlackRock, Inc. (3.84K shares), Vanguard Personalized Indexing Management, LLC (2.7K shares), Geode Capital Management, LLC (2.3K shares), Vanguard Fiduciary Trust Co (2.25K shares), XTX Topco Ltd (792 shares), State Street Corp (746 shares) and Northern Trust Corp (564 shares).