Who owns COMPX INTERNATIONAL INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CIX from SEC Form 13F filings across 47 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 47 institutions disclosed 815,025 shares of COMPX INTERNATIONAL INC worth $20.0M — about 6.6% of shares outstanding; the largest disclosed holder is DIMENSIONAL FUND ADVISORS LP. Source: SEC Form 13F filings, parsed by EvidInvest.
47
13F holders
$20.0M
value, 2026 filers
6.6%
of shares outstanding (815,025 sh)
8
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CIX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | DIMENSIONAL FUND ADVISORS LP | 179,827 | $4.5M | 0.0% | 1.5% | +0.2% |
| 2 | ROYCE & ASSOCIATES LP | 166,074 | $4.1M | 0.0% | 1.3% | 0.0% |
| 3 | BlackRock, Inc. | 123,016 | $3.1M | 0.0% | 1% | +14.4% |
| 4 | RENAISSANCE TECHNOLOGIES LLC | 100,749 | $2.5M | 0.0% | 0.8% | -5.8% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 71,526 | $1.8M | 0.0% | 0.6% | -8.6% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 40,842 | $1.0M | 0.0% | 0.3% | +18.1% |
| 7 | STATE STREET CORP | 30,568 | $761,143 | 0.0% | 0.2% | -0.1% |
| 8 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 22,667 | $564,408 | 0.0% | 0.2% | -4.2% |
| 9 | NORTHERN TRUST CORP | 17,981 | $447,727 | 0.0% | 0.1% | +5.9% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10,350 | $257,715 | 0.0% | 0.1% | +17.2% |
| 11 | VANGUARD FIDUCIARY TRUST CO | 10,270 | $255,723 | 0.0% | 0.1% | -3.5% |
| 12 | Curated Wealth Partners LLCNEW | 10,000 | $11,296 | 0.0% | 0.1% | new |
| 13 | BARCLAYS PLC | 5,817 | $144,844 | 0.0% | 0% | -1.9% |
| 14 | JPMORGAN CHASE & CONEW | 4,823 | $126,796 | 0.0% | 0% | new |
| 15 | MORGAN STANLEY | 3,591 | $89,417 | 0.0% | 0% | -17.7% |
| 16 | IFG Advisory, LLCNEW | 3,147 | $78,361 | 0.0% | 0% | new |
| 17 | RHUMBLINE ADVISERS | 2,740 | $68,220 | 0.0% | 0% | +4.4% |
| 18 | DEUTSCHE BANK AG\ | 1,434 | $35,707 | 0.0% | 0% | 0.0% |
| 19 | ROYAL BANK OF CANADA | 1,375 | $34,000 | 0.0% | 0% | +19.5% |
| 20 | WELLS FARGO & COMPANY/MN | 1,307 | $32,552 | 0.0% | 0% | +130.5% |
| 21 | LOS ANGELES CAPITAL MANAGEMENT LLCNEW | 1,230 | $30,627 | 0.0% | 0% | new |
| 22 | Russell Investments Group, Ltd. | 878 | $21,862 | 0.0% | 0% | +166.9% |
| 23 | CITIGROUP INC | 722 | $17,978 | 0.0% | 0% | +837.7% |
| 24 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 718 | $17,878 | 0.0% | 0% | -6.4% |
| 25 | FMR LLC | 709 | $17,654 | 0.0% | 0% | -4.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.