COMPX INTERNATIONAL INC (CIX) Institutional Ownership Changes & 13F Activity
COMPX INTERNATIONAL INC (CIX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Blackrock, Inc., Vanguard Capital Management Llc, Geode Capital Management, Llc, Renaissance Technologies LLC, and Jpmorgan Chase & Co.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Sell | -32 | -0.1% | 30,568 | $761.14K | Q2 2026 | Sep 22, 2026 |
| California State Teachers Retirement System | Sell | -63 | -75.0% | 21 | $523.00 | Q2 2026 | Aug 24, 2026 |
| Ifg Advisory, Llc | Buy | +3,147 | — | 3,147 | $78.36K | Q2 2026 | Aug 14, 2026 |
| Bridgeway Capital Management, Llc | Sell | -1,000 | -4.2% | 22,667 | $564.41K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +740 | +130.5% | 1,307 | $32.55K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Buy | +224 | +19.5% | 1,375 | $34.00K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -114 | -1.9% | 5,817 | $144.84K | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Sell | -49 | -6.4% | 718 | $17.88K | Q2 2026 | Aug 14, 2026 |
| Vanguard Capital Management Llc | Sell | -6,694 | -8.6% | 71,526 | $1.78M | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Sell | -6,200 | -5.8% | 100,749 | $2.51M | Q2 2026 | Aug 13, 2026 |
| Vanguard Portfolio Management Llc | Buy | +1,517 | +17.2% | 10,350 | $257.71K | Q2 2026 | Aug 13, 2026 |
| Los Angeles Capital Management Llc | Buy | +1,230 | — | 1,230 | $30.63K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +994 | +5.9% | 17,981 | $447.73K | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Sell | -773 | -17.7% | 3,591 | $89.42K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Sell | -370 | -3.5% | 10,270 | $255.72K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -117 | -41.9% | 162 | $4.03K | Q2 2026 | Aug 13, 2026 |
| Bnp Paribas Financial Markets | Sell | -112 | -32.7% | 230 | $5.73K | Q2 2026 | Aug 13, 2026 |
| Fmr Llc | Sell | -33 | -4.4% | 709 | $17.65K | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Buy | +6,257 | +18.1% | 40,842 | $1.02M | Q2 2026 | Aug 12, 2026 |
| Jpmorgan Chase & Co | Buy | +4,823 | — | 4,823 | $126.80K | Q2 2026 | Aug 12, 2026 |
| Newedge Advisors, Llc | Buy | +300 | — | 300 | $7.47K | Q2 2026 | Aug 12, 2026 |
| Rhumbline Advisers | Buy | +116 | +4.4% | 2,740 | $68.22K | Q2 2026 | Aug 12, 2026 |
| Dimensional Fund Advisors Lp | Buy | +418 | +0.2% | 179,827 | $4.48M | Q2 2026 | Aug 11, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -210 | -28.5% | 527 | $13.12K | Q2 2026 | Aug 11, 2026 |
| Arax Advisory Partners | Buy | +5 | +500.0% | 6 | $149.00 | Q2 2026 | Aug 10, 2026 |
| Essential Partners Llc | Buy | +1 | — | 1 | $25.00 | Q2 2026 | Aug 10, 2026 |
| Blackrock, Inc. | Buy | +15,512 | +14.4% | 123,016 | $3.06M | Q2 2026 | Aug 07, 2026 |
| Harbor Capital Advisors, Inc. | Sell | -85 | -32.4% | 177 | $4.00K | Q2 2026 | Aug 07, 2026 |
| Russell Investments Group, Ltd. | Buy | +549 | +166.9% | 878 | $21.86K | Q2 2026 | Aug 06, 2026 |
| Citigroup Inc | Buy | +645 | +837.7% | 722 | $17.98K | Q2 2026 | Aug 03, 2026 |
Frequently asked questions about CIX activity
Which institutional owners are buying CIX?
Institutional owners buying CIX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in CIX activity?
"Buy" means an investor increased their reported position in CIX compared to the prior reporting period. This reflects growing exposure to COMPX INTERNATIONAL INC (CIX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in CIX increasing?
Institutional interest in CIX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related CIX Institutional Insights
- CIX Overview
- CIX 13F Institutional Holders
- CIX Superinvestors
- Industrials Sector Institutional Ownership
- Industrials Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Industrials Stocks By Institutional Investors
- Most Sold Industrials Stocks By Institutional Investors
- CIX Insider Trading & SEC Form 4 Activity
- CIX Articles
- Top Institutional Investor Stock Rankings