Intrusion Inc
INTZ- Exchange
- Nasdaq
- Industry
- Computer Communications Equipment
- SEC CIK
- 0000736012
In the last 90 days, Intrusion Inc insiders filed 2 open-market purchases and 1 sale; 24 institutions reported holding it in 13F filings for Q2 2026, worth $1.27M in total; no superinvestor holds it.
Q4 2025 vs. Q3 2025
How the institutions holding Intrusion Inc changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Q4 2025 | Change |
|---|---|---|---|
| Holders | 23 | 26 | +3 |
| Shares | 824.4K | 1.62M | +791.4K (+96.0%) |
| Value | $1.32M | $1.86M | +$538.7K (+40.8%) |
New holders (5)
Institutions that held Intrusion Inc at the end of Q4 2025 but not at the end of Q3 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Potomac Capital Management, Inc. | 473,050 | $544.0K | 0.46% |
| Citadel Advisors LLC | 51,401 | $59.1K | 0.00% |
| Jane Street Group, LLC | 44,572 | $51.3K | 0.00% |
| XTX Topco Ltd | 30,390 | $34.9K | 0.00% |
| Virtu Financial LLC | 27,292 | $31.0K | 0.00% |
Sold out (2)
Institutions that held Intrusion Inc at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Millennium Management LLC | 21,184 | $33.9K |
| Farther Finance Advisors, LLC | 256 | $410 |