Latest Period
Q1 2026
Security Snapshot
INTRUSION INC - Common Stock, par value $0.01 per share (INTZ) Institutional Ownership
CUSIP: 46121E304
13F Institutional Holders and Ownership History from Q1 2024 to Q1 2026
Institutions Reporting
28
Shares (Excl. Options)
1,585,617
Price
$0.82
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- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Symbol
- INTZ on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 1,585,617
- Total 13F value
- $1,301,755
- Portfolio coverage rank
- 0%
- Share change
- -30,145
- Value change
- -$57,633
- Number of holders
- 28
- Shares outstanding
- 22,818,596
- SEC-reported price per share
- $0.73
- Insider filing price
- $0.73
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- INTZ - INTRUSION INC - Common Stock, par value $0.01 per share is tracked under CUSIP 46121E304.
- 28 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 26 to 28 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $1,858,058 to $1,301,755.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 28 institutions filings for Q1 2026.
Security key
46121E304
Latest holder period
Q1 2026
13F holders
28
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
INTZ full holder history
INTRUSION INC SEC filings
INTRUSION INC company facts
INTRUSION INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 46121E304:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
INTZ
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Streeterville Capital LLC | 9.8% | $10,625,000 | 8,500,000 | Streeterville Management LLC | 27 Dec 2024 | |||
| Tego Cyber, Inc. | 10% | $1,732,388 | 2,373,134 | Tego Cyber, Inc. | 29 Jun 2026 |
As of 31 Mar 2026, 28 institutional investors reported holding 1,585,617 shares of INTRUSION INC - Common Stock, par value $0.01 per share (INTZ). This represents 6.9% of the company’s total 22,818,596 outstanding shares.
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
9
Latest
Q1 2026
Rows shown
1-9 of 9
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 1,585,617 | $1,301,755 | -$57,633 | $0.82 | 28 |
| 2025 Q4 | 1,615,762 | $1,858,058 | +$356,192 | $1.15 | 26 |
| 2025 Q3 | 824,390 | $1,319,335 | +$183,285 | $1.60 | 23 |
| 2025 Q2 | 680,399 | $1,557,695 | +$321,548 | $2.29 | 24 |
| 2025 Q1 | 587,787 | $658,705 | +$247,018 | $1.12 | 23 |
| 2024 Q4 | 240,120 | $738,379 | +$400,839 | $3.08 | 17 |
| 2024 Q3 | 200,065 | $172,056 | +$65,250 | $0.86 | 16 |
| 2024 Q2 | 120,652 | $132,690 | +$87,596 | $1.10 | 17 |
| 2024 Q1 | 40,328 | $120,984 | +$120,957 | $3.00 | 12 |