T3 Defense Inc. (DFNS) Institutional Ownership

Ownership Summary

A total of 38 institutions have reported a stake in T3 Defense Inc. (NASDAQ:DFNS) as of December 2025, according to recent 13F filings with the SEC.

• The percentage of T3 Defense owned by institutions changed from 33.5% in December 2025 to 33.5% in December 2025, marking a slight down trend.
• On a quarter-over-quarter basis, institutional holdings shifted by 102.90%, with a year-over-year an increase of 90.00% in the count of filers.
• During the quarter, 32 institutions bought more T3 Defense shares, 2 sold shares, and 4 of the 38 total investors held their position steady.
• The total number of shares held by institutions in T3 Defense increased to 2.71Mn as of December 2025, a net change of up by 1.38Mn shares quarter on quarter, and up 2.64Mn shares year over year.
• With 575.43K shares, VANGUARD GROUP INC commands the largest institutional position in T3 Defense as of December 31, 2025, equating to 7.10% of the company.
• Among the most significant buyers of T3 Defense during December 2025 were VANGUARD GROUP INC (455.52K), VANGUARD GROUP INC (455.52K), GEODE CAPITAL MANAGEMENT, LLC (82.25K), GEODE CAPITAL MANAGEMENT, LLC (82.25K), UBS Group AG (70.54K).
• Leading sellers of T3 Defense stock in December 2025 included BlackRock, Inc. (58.64K), BlackRock, Inc. (58.64K).
• The top 10 institutional holders of T3 Defense for the quarter ending December 2025 included VANGUARD GROUP INC (575.43K), VANGUARD GROUP INC (575.43K), BlackRock, Inc. (287.41K), BlackRock, Inc. (287.41K), UBS Group AG (151.05K), UBS Group AG (151.05K), GEODE CAPITAL MANAGEMENT, LLC (124.71K), GEODE CAPITAL MANAGEMENT, LLC (124.71K), NORTHERN TRUST CORP (47.92K), NORTHERN TRUST CORP (47.92K).