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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, Q3 2025

Institutional positions in Intrusion Inc as of Sep 30, 2025. 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
23
−1 vs. Q2 2025
Shares held
824.4K
+144.0K (+21.2%) vs. Q2 2025
Total value
$1.32M
−$238.4K (−15.3%) vs. Q2 2025
New holders
3
8 more added
Sold out
4
6 more reduced

Compare with Q2 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.

Institutional holdersQ3 2025: 23 institutions
Q1 2021: 57 institutionsQ2 2021: 45 institutionsQ3 2021: 39 institutionsQ4 2021: 34 institutionsQ1 2022: 32 institutionsQ2 2022: 25 institutionsQ3 2022: 23 institutionsQ4 2022: 24 institutionsQ1 2023: 21 institutionsQ2 2023: 21 institutionsQ3 2023: 24 institutionsQ4 2023: 27 institutionsQ1 2024: 14 institutionsQ2 2024: 18 institutionsQ3 2024: 17 institutionsQ4 2024: 19 institutionsQ1 2025: 23 institutionsQ2 2025: 24 institutionsQ3 2025: 23 institutionsQ4 2025: 26 institutionsQ1 2026: 28 institutionsQ2 2026: 24 institutions
Value heldQ3 2025: $1.32M
Q1 2021: $69.0MQ2 2021: $57.8MQ3 2021: $15.7MQ4 2021: $11.9MQ1 2022: $6.90MQ2 2022: $10.4MQ3 2022: $13.5MQ4 2022: $8.88MQ1 2023: $2.40MQ2 2023: $1.88MQ3 2023: $441.3KQ4 2023: $433.5KQ1 2024: $125.6KQ2 2024: $132.7KQ3 2024: $172.1KQ4 2024: $738.4KQ1 2025: $658.7KQ2 2025: $1.56MQ3 2025: $1.32MQ4 2025: $1.86MQ1 2026: $1.30MQ2 2026: $1.27M
Institutions holding INTZ and their total value by quarter
QuarterHoldersValue
Q2 202624$1.27M
Q1 202628$1.30M
Q4 202526$1.86M
Q3 202523$1.32M
Q2 202524$1.56M
Q1 202523$658.7K
Q4 202419$738.4K
Q3 202417$172.1K
Q2 202418$132.7K
Q1 202414$125.6K
Q4 202327$433.5K
Q3 202324$441.3K
Q2 202321$1.88M
Q1 202321$2.40M
Q4 202224$8.88M
Q3 202223$13.5M
Q2 202225$10.4M
Q1 202232$6.90M
Q4 202134$11.9M
Q3 202139$15.7M
Q2 202145$57.8M
Q1 202157$69.0M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Intrusion Inc; share changes are against Q2 2025.

Institutions holding INTZ in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc256,142$409.8K0.00%+118,240+85.7%Added
Geode Capital Management, LLC172,064$275.4K0.00%+8,480+5.2%Added
State Street Corp92,065$147.3K0.00%+42,100+84.3%Added
Gsa Capital Partners LLP56,954$91.0K0.01%+56,954New
Two Sigma Investments, LP49,584$79.3K0.00%−13,321−21.2%Reduced
Tritonpoint Wealth, LLC35,150$56.2K0.00%00.0%Unchanged
Northern Trust Corp33,644$53.8K0.00%00.0%Unchanged
Promethium Advisors,llc26,892$43.0K0.02%+7,395+37.9%Added
Millennium Management LLC21,184$33.9K0.00%+21,184New
Cetera Investment Advisers18,082$28.9K0.00%+8,005+79.4%Added
Cambridge Investment Research Advisors, Inc.15,622$25.0K0.00%−1,000−6.0%Reduced
BlackRock, Inc.11,676$18.7K0.00%+1,649+16.4%Added
IHT Wealth Management, LLC10,065$16.1K0.00%−184−1.8%Reduced
UBS Group AG9,831$15.7K0.00%−30,420−75.6%Reduced
Morgan Stanley5,240$8.38K0.00%+1,247+31.2%Added
Private Wealth Asset Management, LLC5,000$8.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.2,152$3.80K0.00%00.0%Unchanged
SBI Securities Co., Ltd.1,821$2.91K0.00%−1,371−43.0%Reduced
Bank of America Corp611$9780.00%+5+0.8%Added
Citigroup Inc333$5330.00%−6,640−95.2%Reduced
Farther Finance Advisors, LLC256$4100.00%+256New
Vision Financial Markets LLC13$210.00%00.0%Unchanged
BNP Paribas Arbitrage, SA9$140.00%00.0%Unchanged
FNY Investment Advisers, LLC0$00.00%−42,075−100.0%Sold out
XTX Topco Ltd0$00.00%−23,804−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−2,708−100.0%Sold out
Raymond James Financial Inc0$00.00%−1−100.0%Sold out