Compx InternationalCIX
13F holders, Q1 2026 (March 31)43holders +2
2new positions
2sold out
1famous investor
$23.36avg. 13F price*
At the end of Q1 2026, 43 institutions reported holding Compx International Inc. (CIX) in their 13F filings, up 2 from Q4 2025. 2 opened new positions and 2 sold out. The largest holders were Dimensional Fund Advisors LP ($4.2M), Royce & Associates LP ($3.9M) and BlackRock, Inc. ($2.5M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Compx International Inc.
- CUSIP
- 20563P101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $94 |
| Exits | 2 | $80K |
All 13F filers, Q4 2025 → Q1 2026: 1,474 shares bought and 19,452 shares sold, net −17,978 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 43 holders
| Dimensional Fund Advisors LP | 0.00% | Reduce -0.2% | 179,409 | $4.2M |
| Royce & Associates LP | 0.04% | No change | 166,074 | $3.9M |
| BlackRock, Inc. | 0.00% | Add +0.4% | 107,504 | $2.5M |
| Renaissance Technologies | 0.00% | Reduce -5.8% | 106,949 | $2.5M |
| Vanguard Capital Management LLC | 0.00% | — | 78,220 | $1.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -6.8% | 34,585 | $808K |
| State Street Corp. | 0.00% | Reduce -0.3% | 30,600 | $715K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 23,667 | $553K |
| Northern Trust Corp. | 0.00% | Reduce -2.7% | 16,987 | $397K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 10,640 | $249K |
| Vanguard Portfolio Management LLC | 0.00% | — | 8,833 | $206K |
| Barclays PLC | 0.00% | Reduce -25.9% | 5,931 | $139K |
| JPMorgan Chase & Co. | 0.00% | Reduce -18.1% | 4,906 | $115K |
| Morgan Stanley | 0.00% | Reduce -19.1% | 4,364 | $102K |
| Rhumbline Advisers | 0.00% | Reduce -1.5% | 2,624 | $61K |
| Deutsche Bank AG | 0.00% | No change | 1,434 | $33K |
| Royal Bank of Canada | 0.00% | Add +23.2% | 1,151 | $27K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.6% | 767 | $18K |
| FMR LLC | 0.00% | Reduce -3.4% | 742 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +66.0% | 737 | $17K |
| NewEdge Advisors, LLC | 0.00% | Add +103.3% | 610 | $14K |
| Wells Fargo & Company | 0.00% | Reduce -66.6% | 567 | $13K |
| BNP Paribas Financial Markets | 0.00% | Add +4.0% | 342 | $8K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -37.6% | 329 | $8K |
| MAI Capital Management | 0.00% | No change | 302 | $7K |
| UBS Group AG | 0.00% | Reduce -13.9% | 279 | $7K |
| Harbor Capital Advisors, Inc. | 0.00% | Add +413.7% | 262 | $6K |
| New York State Common Retirement Fund | 0.00% | No change | 214 | $5K |
| Strategic Wealth Partners, Ltd. | 0.00% | No change | 165 | $4K |
| Legal & General Group Plc | 0.00% | No change | 135 | $3K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 124 | $3K |
| California State Teachers Retirement System | 0.00% | Reduce -11.6% | 84 | $2K |
| Citigroup Inc. | 0.00% | Reduce -15.4% | 77 | $2K |
| Cwm, LLC | 0.00% | Add +1.5% | 66 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -44.2% | 24 | $561 |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -94.3% | 12 | $280 |
| EverSource Wealth Advisors, LLC | 0.00% | Add +50.0% | 6 | $141 |
| Allworth Financial LP | 0.00% | New | 3 | $71 |
| IFP Advisors, Inc | 0.00% | No change | 2 | $47 |
| SBI Securities Co., Ltd. | 0.00% | No change | 2 | $47 |
| True Wealth Design, LLC | 0.00% | No change | 1 | $24 |
| Arax Advisory Partners | 0.00% | New | 1 | $23 |
| Essential Partners LLC | 0.00% | No change | 1 | $23 |
"% of holder's portfolio" is CIX's weight in each manager's 13F, not the share of Compx International Inc. the manager owns.