Compx InternationalCIX
13F holders, Q3 2025 (September 30)45holders +2
4new positions
2sold out
1famous investor
$23.40avg. 13F price*
At the end of Q3 2025, 45 institutions reported holding Compx International Inc. (CIX) in their 13F filings, up 2 from Q2 2025. 4 opened new positions and 2 sold out. The largest holders were Dimensional Fund Advisors LP ($4.2M), Royce & Associates LP ($3.9M) and Renaissance Technologies ($2.8M). 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $328K |
| Exits | 2 | $292K |
All 13F filers, Q2 2025 → Q3 2025: 19,889 shares bought and 69,304 shares sold, net −49,415 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 45 holders
| Dimensional Fund Advisors LP | 0.00% | Reduce -0.6% | 180,813 | $4.2M |
| Royce & Associates LP | 0.04% | Reduce -9.3% | 166,074 | $3.9M |
| Renaissance Technologies | 0.00% | Reduce -0.9% | 120,149 | $2.8M |
| BlackRock, Inc. | 0.00% | Reduce -1.4% | 101,877 | $2.4M |
| Vanguard Group Inc. | 0.00% | Add +1.3% | 95,405 | $2.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.3% | 59,850 | $1.4M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.0% | 35,875 | $840K |
| State Street Corp. | 0.00% | Reduce -0.3% | 31,526 | $738K |
| Bridgeway Capital Management, LLC | 0.01% | Reduce -17.7% | 23,246 | $544K |
| Northern Trust Corp. | 0.00% | Reduce -2.9% | 18,101 | $424K |
| Squarepoint Ops LLC | 0.00% | New | 9,626 | $225K |
| Barclays PLC | 0.00% | Reduce -7.1% | 7,758 | $182K |
| JPMorgan Chase & Co. | 0.00% | Add +13.9% | 6,093 | $143K |
| Morgan Stanley | 0.00% | Reduce -16.1% | 4,675 | $109K |
| Deutsche Bank AG | 0.00% | Add +218.3% | 4,564 | $107K |
| Russell Investments Group, Ltd. | 0.00% | New | 4,386 | $103K |
| Rhumbline Advisers | 0.00% | Add +11.8% | 3,439 | $80K |
| Bank of America Corp. | 0.00% | Reduce -4.0% | 1,512 | $35K |
| Wells Fargo & Company | 0.00% | Add +18.9% | 1,024 | $24K |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -0.6% | 865 | $21K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -26.9% | 689 | $16K |
| UBS Group AG | 0.00% | Add +24.3% | 634 | $15K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -52.4% | 464 | $11K |
| MAI Capital Management | 0.00% | No change | 412 | $10K |
| BNP Paribas Financial Markets | 0.00% | Add +26.3% | 336 | $8K |
| NewEdge Advisors, LLC | 0.00% | No change | 300 | $7K |
| Royal Bank of Canada | 0.00% | Reduce -99.1% | 260 | $6K |
| New York State Common Retirement Fund | 0.00% | No change | 214 | $5K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -4.6% | 209 | $5K |
| FMR LLC | 0.00% | Reduce -47.1% | 204 | $5K |
| Citigroup Inc. | 0.00% | Reduce -66.9% | 178 | $4K |
| Legal & General Group Plc | 0.00% | No change | 168 | $4K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 124 | $3K |
| California State Teachers Retirement System | 0.00% | Add +0.9% | 112 | $3K |
| Cwm, LLC | 0.00% | Reduce -6.3% | 74 | $2K |
| Harbor Capital Advisors, Inc. | 0.00% | No change | 52 | $1K |
| Amalgamated Bank | 0.00% | No change | 60 | $1K |
| Sterling Capital Management LLC | 0.00% | Add +192.3% | 38 | $889 |
| GAMMA Investing LLC | 0.00% | Reduce -67.9% | 9 | $211 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -27.3% | 8 | $187 |
| Arax Advisory Partners | 0.00% | New | 6 | $141 |
| SBI Securities Co., Ltd. | 0.00% | No change | 4 | $94 |
| IFP Advisors, Inc | 0.00% | Add +50.0% | 3 | $70 |
| True Wealth Design, LLC | 0.00% | No change | 1 | $24 |
| Essential Partners LLC | 0.00% | New | 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.