IntrusionINTZ

13F holders, Q1 2026 (March 31)
28holders +2
4new positions
4sold out
1famous investor
$0.82avg. 13F price*

At the end of Q1 2026, 28 institutions reported holding Intrusion Inc. (INTZ) in their 13F filings, up 2 from Q4 2025. 4 opened new positions and 4 sold out. The largest holders were Potomac Capital Management, Inc. ($382K), Geode Capital Management, LLC ($281K) and Vanguard Capital Management LLC ($137K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Intrusion Inc.
CUSIP
46121E304
Latest filing quarter
Q2 2026

History

Number of 13F holders

0102030 Q1 2024: 14Q1 2024Q2 2024: 18Q2 2024Q3 2024: 17Q3 2024Q4 2024: 19Q4 2024Q1 2025: 23Q1 2025Q2 2025: 24Q2 2025Q3 2025: 23Q3 2025Q4 2025: 26Q4 2025Q1 2026: 28Q1 2026Q2 2026: 24Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions4$13K
Exits4$101K

All 13F filers, Q4 2025 → Q1 2026: 230,347 shares bought and 260,492 shares sold, net −30,145 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 28 holders

Potomac Capital Management, Inc. 0.33% Reduce -1.6% 465,415 $382K
Geode Capital Management, LLC 0.00% Add +82.8% 342,609 $281K
Vanguard Capital Management LLC 0.00% — 166,371 $137K
Tritonpoint Wealth, LLC 0.01% No change 158,890 $130K
State Street Corp. 0.00% Add +3.6% 106,469 $87K
Vanguard Fiduciary Trust Co. 0.00% — 89,528 $74K
UBS Group AG 0.00% Add +406.4% 52,603 $43K
XTX Topco Ltd 0.00% Add +15.0% 34,945 $29K
Northern Trust Corp. 0.00% No change 34,302 $28K
Promethium Advisors,llc 0.01% Add +1.3% 27,992 $23K
Cetera Investment Advisers 0.00% No change 18,087 $15K
Two Sigma Investments, LP 0.00% Reduce -71.8% 13,483 $11K
Citadel Advisors 0.00% Reduce -76.4% 12,125 $10K
Two Sigma Securities, LLC 0.00% New 11,683 $10K
Gsa Capital Partners LLP 0.00% Reduce -89.1% 10,436 $9K
IHT Wealth Management, LLC 0.00% No change 10,065 $8K
BlackRock, Inc. 0.00% Reduce -14.6% 9,976 $8K
Morgan Stanley 0.00% Add +52993.3% 7,964 $7K
Tower Research Capital LLC (TRC) 0.00% New 4,687 $4K
Private Wealth Asset Management, LLC 0.00% No change 4,482 $4K
Osaic Holdings, Inc. 0.00% Reduce -4.7% 2,050 $2K
SBI Securities Co., Ltd. 0.00% Reduce -33.6% 1,186 $973
Vanguard Global Advisers, LLC 0.00% — 243 $200
Vision Financial Markets LLC 0.00% No change 13 $11
BNP Paribas Financial Markets 0.00% No change 9 $7
Northwestern Mutual Wealth Management Co. 0.00% New 2 $2
Citigroup Inc. 0.00% Reduce -100.0% 1 $1
Caitong International Asset Management Co., Ltd 0.00% New 1 $1

"% of holder's portfolio" is INTZ's weight in each manager's 13F, not the share of Intrusion Inc. the manager owns.