Ticker · CUSIP 46121E304

INTZ

INTRUSION INC
···Share
Holders (tracked)
2
Combined shares
99,300
Combined value
$114.2K
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 6 quarters.
212024Q12025Q4

SEC event timeline

5 events
  1. Ken Griffin (Citadel Advisors) opened position2026-02-17
    +51,401 shares · 2025Q4
    13F
  2. Two Sigma Investments trimmed2026-02-17
    −1,685 shares · 2025Q4
    13F
  3. Izzy Englander (Millennium Mgmt) exited2026-02-17
    −21,184 shares · 2025Q4
    13F
  4. Izzy Englander (Millennium Mgmt) opened position2025-11-14
    +21,184 shares · 2025Q3
    13F
  5. Two Sigma Investments trimmed2025-11-14
    −13,321 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for INTZ →

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions1
Added to0
—
Trimmed1
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2024Q1
1
$30K
2024Q2
1
$11K
2025Q1
1
$45K
2025Q2
1
$144K
2025Q3
2
$113K
2025Q4
2
$114K

Who owns INTZ

2 super-investors · 2025Q4
Tracked stake
99.3K
shares
Combined value
$114K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Trim1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
51.4K$59K
2Two Sigma Investments47.9K$55K

Recent moves

9 transactions
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