CompX International
CIX · NYSE American
$37.28+$1.28 (+3.56%)TodayMarket closed ·
Prev close $36.00
Who owns CIX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 93.3% of CIX’s shares.
- Valhi Inc87.3%
- Dimensional Fund Advisors, L.P.1.5%
- Royce Investment Partners1.3%
- BlackRock Institutional Trust Company, N.A.0.9%
- Next 6 largest institutions2.3%
- All other shareholders6.7%
| Holder | Shares | % of shares |
|---|---|---|
| Valhi Inc | 10.76M | 87.30% |
| Dimensional Fund Advisors, L.P. | 179.83K | 1.46% |
| Royce Investment Partners | 166.07K | 1.35% |
| BlackRock Institutional Trust Company, N.A. | 109.95K | 0.89% |
| Renaissance Technologies LLC | 100.75K | 0.82% |
| Vanguard Capital Management, LLC | 71.53K | 0.58% |
| Geode Capital Management, L.L.C. | 40.84K | 0.33% |
| State Street Investment Management (US) | 30.57K | 0.25% |
| Bridgeway Capital Management, LLC | 22.67K | 0.18% |
| Northern Trust Investments, Inc. | 17.56K | 0.14% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Royce Small-Cap Trust | 166.07K | 1.35% |
| DFA US Small Cap Value Portfolio | 65.18K | 0.53% |
| Vanguard Total Stock Market Index Fund | 52.88K | 0.43% |
| iShares Russell 2000 ETF | 39.22K | 0.32% |
| RBC Microcap Value Fund | 27.34K | 0.22% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $44.40K (8 trades) of CIX on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| MANIX ANN | Sale | 2 | $59 |
| MANIX ANN | Sale | 795 | $23.63K |
| MANIX ANN | Sale | 33 | $975 |
| MANIX ANN | Sale | 100 | $2.95K |
| MANIX ANN | Sale | 200 | $5.89K |
| MANIX ANN | Sale | 330 | $9.71K |
| MANIX ANN | Sale | 20 | $588 |
| MANIX ANN | Sale | 20 | $588 |
| Norris Gina A. | Award | 1.70K | $39.85K |
| Simmons Michael Shawn | Award | 1.70K | $39.85K |
Short interest
Settled Sep 30, 2026
- Shares short
- 118.25K
- Days to cover
- 2.11
- % of shares outstanding
- 0.96%
- Average daily volume
- 55.98K
- Change since last report
- +139.1%
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