# INTRUSION INC COM

INTRUSION INC COM is a security (CUSIP 46121E304) tracked across SEC portfolio filings. 25 institutional managers reported $1.4M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $137K via N-PORT as of 2026-03-31.

## Summary

- Issuer: INTRUSION INC
- Class: COM
- CUSIP: 46121E304
- Asset category: EC
- 13F holders: 25
- 13F value: $1.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $137K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 25 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Potomac Capital Management, Inc. | NEW YORK, NY | $382K | 465,415 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $295K | 256,142 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $281K | 342,609 |
| TRITONPOINT WEALTH, LLC | CHEVY CHASE, MD | $130K | 158,890 |
| STATE STREET CORP | BOSTON, MA | $87K | 106,469 |
| UBS Group AG | Zurich, V8 | $43K | 52,603 |
| XTX Topco Ltd | LONDON, X0 | $29K | 34,945 |
| NORTHERN TRUST CORP | CHICAGO, IL | $28K | 34,302 |
| PROMETHIUM ADVISORS,LLC | BETHESDA, MD | $26K | 27,992 |
| [Cetera Investment Advisers](https://search.stillhousedata.com/firm/105644) | SCHAUMBURG, IL | $15K | 18,087 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $11K | 13,483 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $10K | 12,125 |
| [TWO SIGMA SECURITIES, LLC](https://search.stillhousedata.com/firm/148960) | New York, NY | $10K | 11,683 |
| IHT Wealth Management, LLC | Chicago, IL | $8K | 10,065 |
| BlackRock, Inc. | New York, NY | $8K | 9,976 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $137K | 0.02% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/46121E304.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.