Equibles

INTZ

Intrusion Inc

Company with tickers: INTZ

CIK
736012
CUSIP
46121E304
Shares Outstanding
20,369,066
13F Activity (30d)
24 filings 24 filers
Holders: 28
Total Value: $1,300,191
Total Shares: 1,585,617

Institutional Ownership Trend

9 quarters

Holder Concentration

Across 28 13F filers · Δ vs Dec 31, 2025
Top Holder
29.4%
Mar 2024 → Mar 2026 · range 23.4% – 50.0%
+0.1 pts
Top 5
78.2%
Mar 2024 → Mar 2026 · range 67.1% – 96.9%
+5.3 pts
Top 10
93.3%
Mar 2024 → Mar 2026 · range 89.5% – 99.9%
+3.4 pts
HHI
1,644
Mar 2024 → Mar 2026 · range 1,288 – 3,270
Moderately concentrated +185

Quarterly Activity

vs Dec 31, 2025
New
7
Increased
6
Decreased
8
Sold Out
5
Unchanged
7
Holder count: +2
Institutional value: -30.0%
Shares held: -1.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega GEODE CAPITAL MANAGEMENT, LLC +155,201 342,609
Mega UBS Group AG +42,215 52,603
Mega MORGAN STANLEY +7,949 7,964
Mid XTX Topco Ltd +4,555 34,945
Mega STATE STREET CORP +3,704 106,469

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid GSA CAPITAL PARTNERS LLP −85,078 10,436
Mega CITADEL ADVISORS LLC −39,276 12,125
Mega TWO SIGMA INVESTMENTS, LP −34,416 13,483
Small Potomac Capital Management, Inc. −7,635 465,415
Mega CITIGROUP INC −3,643 1

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 166,371 $136,424
Mega VANGUARD FIDUCIARY TRUST CO 89,528 $73,412
Small TWO SIGMA SECURITIES, LLC 11,683 $9,580
Mid Tower Research Capital LLC (TRC) 4,687 $3,843
Mega Vanguard Global Advisers, LLC 243 $199

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 256,142 $294,562
Mega JANE STREET GROUP, LLC 44,572 $51,257
Mid Virtu Financial LLC 27,292 $31,385
Large Cambridge Investment Research Advisors, Inc. 15,560 $17,894
Mega BANK OF AMERICA CORP /DE/ 618 $710
Filter: New 7 Increased 6 Reduced 8 Sold out 5 Unchanged 7
28 of 28 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small Potomac Capital Management, Inc. $381,640 29.35% 465,415
Mega GEODE CAPITAL MANAGEMENT, LLC $280,938 21.61% 342,609
Mega VANGUARD CAPITAL MANAGEMENT LLC $136,424 10.49% 166,371
Small TRITONPOINT WEALTH, LLC $130,289 10.02% 158,890
Mega STATE STREET CORP $87,304 6.71% 106,469
Mega VANGUARD FIDUCIARY TRUST CO Bank $73,412 5.65% 89,528
Mega UBS Group AG $43,133 3.32% 52,603
Mid XTX Topco Ltd $28,654 2.20% 34,945
Mega NORTHERN TRUST CORP Bank $28,127 2.16% 34,302
Small PROMETHIUM ADVISORS,LLC $22,953 1.77% 27,992
Large Cetera Investment Advisers $14,831 1.14% 18,087
Mega TWO SIGMA INVESTMENTS, LP $11,056 0.85% 13,483
Mega CITADEL ADVISORS LLC $9,942 0.76% 12,125
Small TWO SIGMA SECURITIES, LLC Broker-Dealer $9,580 0.74% 11,683
Mid GSA CAPITAL PARTNERS LLP $8,557 0.66% 10,436
Mid IHT Wealth Management, LLC $8,253 0.63% 10,065
Mega BlackRock, Inc. $8,180 0.63% 9,976
Mega MORGAN STANLEY $6,530 0.50% 7,964
Mid Tower Research Capital LLC (TRC) $3,843 0.30% 4,687
Small Private Wealth Asset Management, LLC $3,675 0.28% 4,482
Large OSAIC HOLDINGS, INC. $1,681 0.13% 2,050
Mid SBI Securities Co., Ltd. Broker-Dealer $972 0.07% 1,186
Mega Vanguard Global Advisers, LLC $199 0.02% 243
Micro VISION FINANCIAL MARKETS LLC $10 0.00% 13
Mega BNP PARIBAS ARBITRAGE, SA $7 0.00% 9
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $1 0.00% 2
Mega CITIGROUP INC $0 0.00% 1
Small Caitong International Asset Management Co., Ltd $0 0.00% 1

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