Intrusion Inc (Nasdaq: INTZ), an SEC filer in Computer Communications Equipment, closed at $0.79, -1.9%, on 2026-08-28, with a market cap of $20M as of 2026-08-27, a return on equity of -133.9%, a net margin of -129.1% and 3-year sales growth of -2.3%. Institutional ownership, earnings history and filed financials are on the tabs below.
| # | Holder | Shares | Value | % of shares out | Δ QoQ |
|---|---|---|---|---|---|
| 1 | Potomac Capital Management, Inc. | 465,415465,415 | $381,920 | 2.28% | — |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | 342,609342,609 | $281,184 | 1.68% | ADD 83% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 166,371166,371 | $136,591 | 0.82% | NEW |
| 4 | TRITONPOINT WEALTH, LLC | 158,890158,890 | $130,385 | 0.78% | — |
| 5 | STATE STREET CORP | 106,469106,469 | $87,368 | 0.52% | ADD 4% |
| 6 | VANGUARD FIDUCIARY TRUST CO | 89,52889,528 | $73,502 | 0.44% | NEW |
| 7 | UBS Group AG | 52,60352,603 | $43,188 | 0.26% | ADD 406% |
| 8 | XTX Topco Ltd | 34,94534,945 | $28,676 | 0.17% | ADD 15% |
| 9 | NORTHERN TRUST CORP | 34,30234,302 | $28,148 | 0.17% | — |
| 10 | PROMETHIUM ADVISORS,LLC | 27,99227,992 | $22,970 | 0.14% | — |
Ranked by each filer’s own reported value, not shares.
| Biggest buyers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | +166,371 | $136,524 | OPEN |
| GEODE CAPITAL MANAGEMENT, LLC | +155,201 | $127,358 | ADD |
| VANGUARD FIDUCIARY TRUST CO | +89,528 | $73,467 | OPEN |
| UBS Group AG | +42,215 | $34,642 | ADD |
| TWO SIGMA SECURITIES, LLC | +11,683 | $9,587 | OPEN |
| Biggest sellers | Δ shares | Δ value | |
|---|---|---|---|
| VANGUARD GROUP INC | −256,142 | $210,190 | CLOSE |
| GSA CAPITAL PARTNERS LLP | −85,078 | $69,815 | TRIM |
| JANE STREET GROUP, LLC | −44,572 | $36,576 | CLOSE |
| CITADEL ADVISORS LLC | −39,276 | $32,230 | TRIM |
| TWO SIGMA INVESTMENTS, LP | −34,416 | $28,242 | TRIM |
Prior quarter split-rebased · 13Fs are long, US-listed only.
| Holder | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 | Latest value |
|---|---|---|---|---|---|---|---|
| Potomac Capital Management, Inc. | — | — | — | — | 473K | 465K | $381,920 |
| GEODE CAPITAL MANAGEMENT, LLC | 69K | 138K | 164K | 172K | 187K | 343K | $281,184 |
| VANGUARD CAPITAL MANAGEMENT LLC | — | — | — | — | — | 166K | $136,591 |
| TRITONPOINT WEALTH, LLC | — | — | 35K | 35K | 159K | 159K | $130,385 |
| STATE STREET CORP | — | 50K | 50K | 92K | 103K | 106K | $87,368 |
| VANGUARD FIDUCIARY TRUST CO | — | — | — | — | — | 90K | $73,502 |
| UBS Group AG | 28K | 31K | 40K | 10K | 10K | 53K | $43,188 |
| XTX Topco Ltd | — | — | 24K | — | 30K | 35K | $28,676 |
| NORTHERN TRUST CORP | — | 34K | 34K | 34K | 34K | 34K | $28,148 |
| PROMETHIUM ADVISORS,LLC | 16K | 17K | 19K | 27K | 28K | 28K | $22,970 |
Green = added, red = trimmed, grey = held; a dash is a quarter with no 13F on file — a gap, not an exit.
Breaks = no 13F that quarter.
Short interest has its own tab now — open SI →
SEC Form 13F · ~10,250 filers, 10y · long-only, US-listed, filed ≤45d after quarter-end.
| Holder | % of class | Type | As of | |
|---|---|---|---|---|
| Tego Cyber, Inc. | 10.4% | Passive | 2026-06-29 | SEC → |
SEC Schedule 13D/G XML · group aggregate.
