Intrusion Inc (INTZ) Institutional Ownership

Ownership Summary

Intrusion Inc (NASDAQ:INTZ) currently has 25 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• The collective stake of institutional investors in Intrusion moved to 7.6% in December 2025, a shift up from the 3.9% reported for September 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by 97.83%, with a year-over-year an increase of 31.58% in the count of filers.
• A review of institutional activity for Intrusion shows 14 of 25 filers increasing their positions, while 5 reduced their stake, and 6 remained unchanged.
• The aggregate institutional position in Intrusion now stands at 1.59Mn shares as of December 2025, after investors increased their holdings (up by 785.52K shares quarter on quarter which is up 1.35Mn shares year over year).
• The top institutional stake in Intrusion as of December 31, 2025 belongs to Potomac Capital Management, Inc., which owns 473.05K shares, or 2.26% of the company.
• Among the most significant buyers of Intrusion during December 2025 were Potomac Capital Management, Inc. (473.05K), TRITONPOINT WEALTH, LLC (123.74K), CITADEL ADVISORS LLC (51.40K), JANE STREET GROUP, LLC (44.57K), GSA CAPITAL PARTNERS LLP (38.56K).
• Leading sellers of Intrusion stock in December 2025 included MORGAN STANLEY (5.22K), TWO SIGMA INVESTMENTS, LP (1.69K), Private Wealth Asset Management, LLC (518), Cambridge Investment Research Advisors, Inc. (62), SBI Securities Co., Ltd. (35).
• The top 10 institutional holders of Intrusion for the quarter ending December 2025 included Potomac Capital Management, Inc. (473.05K), VANGUARD GROUP INC (256.14K), GEODE CAPITAL MANAGEMENT, LLC (187.41K), TRITONPOINT WEALTH, LLC (158.89K), STATE STREET CORP (102.77K), GSA CAPITAL PARTNERS LLP (95.51K), CITADEL ADVISORS LLC (51.40K), TWO SIGMA INVESTMENTS, LP (47.90K), JANE STREET GROUP, LLC (44.57K), NORTHERN TRUST CORP (34.30K).