INTRUSION INC

PublicCIK: 736012
INTZNASDAQ
Location

PLANO, TX

13F Filings

Institutional Holders

INTRUSION INCINTZ— Latest position per institution from SEC 13F filings

15

Institutional holders

1.81M

Total shares held

1.81M

Estimated value

90.69K

Avg. position size

1

POTOMAC CAPITAL MANAGEMENT, INC.

CIK 1418746

Shares

518.43K

Value

481.46K

Filed

Jun 30, 2026

2

VANGUARD GROUP INC

CIK 102909

Shares

256.14K

Value

294.56K

Filed

Dec 31, 2025

3

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

190.28K

Value

176.76K

Filed

Jun 30, 2026

4

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

177.17K

Value

164.59K

Filed

Jun 30, 2026

5

STATE STREET CORP

CIK 93751

Shares

106.47K

Value

98.88K

Filed

Jun 30, 2026

6

VANGUARD FIDUCIARY TRUST CO

CIK 933478

Shares

89.53K

Value

83.17K

Filed

Jun 30, 2026

7

UBS GROUP AG

CIK 1610520

Shares

60.43K

Value

56.13K

Filed

Jun 30, 2026

8

SCIENTECH RESEARCH LLC

CIK 2011556

Shares

57.61K

Value

177.15K

Filed

Dec 31, 2024

9

JANE STREET GROUP, LLC

CIK 1595888

Shares

44.57K

Value

51.26K

Filed

Dec 31, 2025

10

FNY INVESTMENT ADVISERS, LLC

CIK 1742998

Shares

42.08K

Value

96.00

Filed

Jun 30, 2025

11

NORTHERN TRUST CORP

CIK 73124

Shares

35.82K

Value

33.27K

Filed

Jun 30, 2026

12

TRITONPOINT WEALTH, LLC

CIK 2008171

Shares

35.15K

Value

25.32K

Filed

Sep 30, 2026

13

TRITONPOINT PARTNERS, LLC

CIK 2111167

Shares

35.15K

Value

32.64K

Filed

Jun 30, 2026

14

PROMETHIUM ADVISORS,LLC

CIK 2034073

Shares

27.87K

Value

20.07K

Filed

Sep 30, 2026

15

VIRTU FINANCIAL LLC

CIK 1533964

Shares

27.29K

Value

31.00

Filed

Dec 31, 2025

16

UNITED CAPITAL FINANCIAL ADVISORS, LLC

CIK 1463217

Shares

25.85K

Value

22.23K

Filed

Sep 30, 2024

17

XTX TOPCO LTD

CIK 1828301

Shares

22.11K

Value

20.53K

Filed

Jun 30, 2026

18

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

21.18K

Value

33.89K

Filed

Sep 30, 2025

19

JUMP FINANCIAL, LLC

CIK 1831577

Shares

20.71K

Value

19.23K

Filed

Jun 30, 2026

20

FEDERATION DES CAISSES DESJARDINS DU QUEBEC

CIK 2022297

Shares

20K

Value

22.40K

Filed

Mar 31, 2025

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.