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.
13F holders, Q1 2026
Institutional positions in Intrusion Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 28
- +3 vs. Q4 2025
- Shares held
- 1.59M
- +226.0K (+16.6%) vs. Q4 2025
- Total value
- $1.30M
- −$261.7K (−16.7%) vs. Q4 2025
- New holders
- 7
- 6 more added
- Sold out
- 4
- 8 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting INTZ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 24 | $1.27M |
| Q1 2026 | 28 | $1.30M |
| Q4 2025 | 26 | $1.86M |
| Q3 2025 | 23 | $1.32M |
| Q2 2025 | 24 | $1.56M |
| Q1 2025 | 23 | $658.7K |
| Q4 2024 | 19 | $738.4K |
| Q3 2024 | 17 | $172.1K |
| Q2 2024 | 18 | $132.7K |
| Q1 2024 | 14 | $125.6K |
| Q4 2023 | 27 | $433.5K |
| Q3 2023 | 24 | $441.3K |
| Q2 2023 | 21 | $1.88M |
| Q1 2023 | 21 | $2.40M |
| Q4 2022 | 24 | $8.88M |
| Q3 2022 | 23 | $13.5M |
| Q2 2022 | 25 | $10.4M |
| Q1 2022 | 32 | $6.90M |
| Q4 2021 | 34 | $11.9M |
| Q3 2021 | 39 | $15.7M |
| Q2 2021 | 45 | $57.8M |
| Q1 2021 | 57 | $69.0M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Intrusion Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Potomac Capital Management, Inc. | 465,415 | $381.9K | 0.33% | −7,635−1.6% | Reduced |
| Geode Capital Management, LLC | 342,609 | $281.2K | 0.00% | +155,201+82.8% | Added |
| Vanguard Capital Management LLC | 166,371 | $136.6K | 0.00% | +166,371 | New |
| Tritonpoint Wealth, LLC | 158,890 | $130.4K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 106,469 | $87.4K | 0.00% | +3,704+3.6% | Added |
| Vanguard Fiduciary Trust Co | 89,528 | $73.5K | 0.00% | +89,528 | New |
| UBS Group AG | 52,603 | $43.2K | 0.00% | +42,215+406.4% | Added |
| XTX Topco Ltd | 34,945 | $28.7K | 0.00% | +4,555+15.0% | Added |
| Northern Trust Corp | 34,302 | $28.1K | 0.00% | 00.0% | Unchanged |
| Promethium Advisors,llc | 27,992 | $23.0K | 0.01% | +350+1.3% | Added |
| Cetera Investment Advisers | 18,087 | $14.8K | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 13,483 | $11.1K | 0.00% | −34,416−71.9% | Reduced |
| Citadel Advisors LLC | 12,125 | $9.95K | 0.00% | −39,276−76.4% | Reduced |
| Two Sigma Securities, LLC | 11,683 | $9.59K | 0.00% | +11,683 | New |
| Gsa Capital Partners LLP | 10,436 | $9.00K | 0.00% | −85,078−89.1% | Reduced |
| IHT Wealth Management, LLC | 10,065 | $8.26K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 9,976 | $8.19K | 0.00% | −1,700−14.6% | Reduced |
| Morgan Stanley | 7,964 | $6.54K | 0.00% | +7,949+52,993.3% | Added |
| Tower Research Capital LLC (TRC) | 4,687 | $3.85K | 0.00% | +4,687 | New |
| Private Wealth Asset Management, LLC | 4,482 | $3.68K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,050 | $1.68K | 0.00% | −102−4.7% | Reduced |
| SBI Securities Co., Ltd. | 1,186 | $973 | 0.00% | −600−33.6% | Reduced |
| Vanguard Global Advisers, LLC | 243 | $200 | 0.00% | +243 | New |
| Vision Financial Markets LLC | 13 | $11 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 9 | $7 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 2 | $2 | 0.00% | +2 | New |
| Citigroup Inc | 1 | $1 | 0.00% | −3,643−100.0% | Reduced |
| Caitong International Asset Management Co., Ltd | 1 | $1 | 0.00% | +1 | New |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −44,572−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −27,292−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −15,560−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −618−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |