CIX
Compx International IncCompany with tickers: CIX
CIK
1049606
CUSIP
20563P101
Shares Outstanding
12,323,057
Investor Relations
https://compxinternational.com/investors/
13F Activity (30d)
8 filings
5 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 42
Total Value: $18,241,771
Total Shares: 780,899
Institutional Ownership Trend
25 quarters
Holder Concentration
Across 42 13F filers · Δ vs Dec 31, 2025Top Holder
23.0%
+0.7 pts
Top 5
81.7%
−0.5 pts
Top 10
96.6%
−0.1 pts
HHI
1,510
Moderately concentrated+20
Quarterly Activity
vs Dec 31, 2025
New
4
Increased
9
Decreased
17
Sold Out
3
Unchanged
12
Holder count:
+1
Institutional value:
-2.9%
Shares held:
-3.3%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega BlackRock, Inc. | +389 | 107,504 | |
| Large NewEdge Advisors, LLC | +310 | 610 | |
| Mid Tower Research Capital LLC (TRC) | +293 | 737 | |
| Mega ROYAL BANK OF CANADA | +217 | 1,151 | |
| Mid HARBOR CAPITAL ADVISORS, INC. | +211 | 262 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | −6,600 | 106,949 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | −2,507 | 34,585 | |
| Mega BARCLAYS PLC | −2,072 | 5,931 | |
| Mega WELLS FARGO & COMPANY/MN | −1,131 | 567 | |
| Mega JPMORGAN CHASE & CO | −1,088 | 4,906 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 78,220 | $1,827,219 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 10,640 | $248,550 | |
| Mid Allworth Financial LP | 3 | $70 | |
| Mid Arax Advisory Partners | 1 | $23 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 97,693 | $2,273,316 | |
| Mega BANK OF AMERICA CORP /DE/ | 3,416 | $79,489 | |
| Large AMALGAMATED BANK | 48 | $1,116 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega DIMENSIONAL FUND ADVISORS LP | $4,190,993 | 22.97% | 179,409 | Shares | Sole | 2026-05-07 | ||||
| Mid ROYCE & ASSOCIATES LP | $3,879,488 | 21.27% | 166,074 | Shares | Sole | 2026-05-12 | ||||
| Mega BlackRock, Inc. | $2,511,290 | 13.77% | 107,504 | Shares | Sole | 2026-05-13 | ||||
| Large RENAISSANCE TECHNOLOGIES LLC | $2,498,328 | 13.70% | 106,949 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $1,827,219 | 10.02% | 78,220 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $807,905 | 4.43% | 34,585 | Shares | Defined | 2026-05-15 | ||||
| Mega STATE STREET CORP | $714,816 | 3.92% | 30,600 | Shares | Defined | 2026-05-15 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $552,861 | 3.03% | 23,667 | Shares | Sole | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $396,816 | 2.18% | 16,987 | Shares | Defined | 2026-05-14 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $248,550 | 1.36% | 10,640 | Shares | Defined | 2026-05-08 | ||||
| Mega BARCLAYS PLC | $138,547 | 0.76% | 5,931 | Shares | Defined | 2026-05-15 | ||||
| Mega JPMORGAN CHASE & CO | $114,603 | 0.63% | 4,906 | Shares | Defined | 2026-05-13 | ||||
| Mega MORGAN STANLEY | $101,942 | 0.56% | 4,364 | Shares | Defined | 2026-05-15 | ||||
| Mega RHUMBLINE ADVISERS | $61,296 | 0.34% | 2,624 | Shares | Sole | 2026-05-12 | ||||
| Mega DEUTSCHE BANK AG\ Bank | $33,498 | 0.18% | 1,434 | Shares | Defined | 2026-05-06 | ||||
| Mega ROYAL BANK OF CANADA Bank | $26,886 | 0.15% | 1,151 | Shares | Defined | 2026-05-15 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $17,917 | 0.10% | 767 | Shares | Defined | 2026-05-15 | ||||
| Mega FMR LLC | $17,332 | 0.10% | 742 | Shares | Defined | 2026-05-15 | ||||
| Mid Tower Research Capital LLC (TRC) | $17,216 | 0.09% | 737 | Shares | Defined | 2026-05-15 | ||||
| Large NewEdge Advisors, LLC | $14,249 | 0.08% | 610 | Shares | Sole | 2026-06-03 | ||||
| Mega WELLS FARGO & COMPANY/MN | $13,244 | 0.07% | 567 | Shares | Defined | 2026-05-11 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $7,989 | 0.04% | 342 | Shares | Defined | 2026-05-12 | ||||
| Large Russell Investments Group, Ltd. | $7,684 | 0.04% | 329 | Shares | Defined | 2026-05-08 | ||||
| Mid MAI Capital Management | $7,054 | 0.04% | 302 | Shares | Sole | 2026-05-15 | ||||
| Mega UBS Group AG | $6,516 | 0.04% | 279 | Shares | Defined | 2026-05-05 | ||||
| Mid HARBOR CAPITAL ADVISORS, INC. | $6,120 | 0.03% | 262 | Shares | Sole | 2026-04-28 | ||||
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $4,999 | 0.03% | 214 | Shares | Sole | 2026-05-06 | ||||
| Small Strategic Wealth Partners, Ltd. | $3,854 | 0.02% | 165 | Shares | Sole | 2026-05-12 | ||||
| Mega Legal & General Group Plc | $3,153 | 0.02% | 135 | Shares | Defined | 2026-05-08 | ||||
| Mid Ameritas Investment Partners, Inc. | $2,896 | 0.02% | 124 | Shares | Other | 2026-05-13 | ||||
| Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $1,962 | 0.01% | 84 | Shares | Sole | 2026-05-18 | ||||
| Mega CITIGROUP INC | $1,798 | 0.01% | 77 | Shares | Defined | 2026-05-11 | ||||
| Large CWM, LLC | $1,541 | 0.01% | 66 | Shares | Sole | 2026-05-14 | ||||
| Mid Sterling Capital Management LLC | $560 | 0.00% | 24 | Shares | Sole | 2026-04-22 | ||||
| Large NISA INVESTMENT ADVISORS, LLC | $280 | 0.00% | 12 | Shares | Sole | 2026-04-30 | ||||
| Mid EverSource Wealth Advisors, LLC | $138 | 0.00% | 6 | Shares | Sole | 2026-05-18 | ||||
| Mid Allworth Financial LP | $70 | 0.00% | 3 | Shares | Sole | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $46 | 0.00% | 2 | Shares | Defined | 2026-04-28 | ||||
| Mid IFP Advisors, Inc | $46 | 0.00% | 2 | Shares | Sole | 2026-04-13 | ||||
| Small Essential Partners LLC | $23 | 0.00% | 1 | Shares | Sole | 2026-05-21 | ||||
| Micro True Wealth Design, LLC | $23 | 0.00% | 1 | Shares | Sole | 2026-04-13 | ||||
| Mid Arax Advisory Partners | $23 | 0.00% | 1 | Shares | Sole | 2026-05-13 | ||||
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