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Contran Corporation
Robert D. Graham · Family Office · Value
Contran Corporation is a private holding company based in Dallas, Texas, that manages the extensive industrial and chemical interests of the late billionaire Harold Simmons. The firm is notable for its complex corporate structure, exercising control over several publicly traded entities including Valhi, Inc., Kronos Worldwide, NL Industries, and CompX International. Primarily owned by family trusts for the benefit of the Simmons family, Contran provides centralized administrative, legal, and executive services to its subsidiaries through intercorporate service agreements. Its core holdings are concentrated in the global production of titanium dioxide and the manufacturing of security hardware. Historically associated with the pioneering of the leveraged buyout, the institution today focuses on the long-term stewardship of its industrial assets and the optimization of its consolidated capital structure to ensure operational stability and value accumulation.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +21.3% |
| YTD return | +42.6% |
| Sharpe ratio | 1.79 |
| Win rate | 100% |
| AUM | $1.7B |
| Inception | Oct 1, 2025 |
| Updated | Sep 18, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $1.7B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.valhi.net |
Current Holdings
Updated on Sep 18, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| KRO | Kronos Worldwide Inc | 44.3% | +44.5% |
| VHI | Valhi Inc | 22.8% | +8.3% |
| CIX | CompX International Inc | 18.4% | +2.4% |
| NL | NL Industries Inc | 14.5% | +12.2% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Aug 10, 2026 | SELL | NL | 16.0% → 14.5% |
| Aug 10, 2026 | BUY | CIX | 18.1% → 18.4% |
| Aug 10, 2026 | SELL | KRO | 42.1% → 44.3% |
| Aug 10, 2026 | SELL | VHI | 23.8% → 22.8% |
| Jul 20, 2026 | SELL | CIX | 18.9% → 18.1% |
Investment Style Analysis
Contran Corporation is widely recognized for employing a Value strategy. As of Sep 18, 2026, the firm oversees approximately $1.7B in assets under management (AUM). The portfolio demonstrates a clear preference for the Specialty Chemicals and Security & Protection Services sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Aug 10, Contran Corporation made a significant move by reducing the position in NL. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Contran Corporation follows a strategy of long-term value creation by maintaining controlling interests in essential industrial and chemical enterprises. The institution prioritizes the management of businesses with strong market positions and sustainable cash flows, particularly within the specialized chemical and security component industries. Its philosophy emphasizes operational control, strategic executive oversight, and a commitment to enduring ownership, favoring a permanent holding company model over short-term trading. By utilizing a centralized administrative framework to support its diverse subsidiaries, the firm aims to build lasting equity value through market cycles while maintaining a lean and efficient corporate presence.
Disclaimer
The content provided on this page, including the simulated portfolio performance, holdings analysis, and AI-generated insights, is for informational and educational purposes only. It does not constitute financial advice, investment recommendations, or an offer to buy or sell any securities. All data is derived from historical SEC 13F filings and other public disclosures, which have a reporting lag. The "Simulated Performance" is a hypothetical reconstruction based on past disclosures and does not represent the actual returns of the institution. Past performance is not indicative of future results. Tritonix.ai is not affiliated with Contran Corporation.
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Frequently asked questions
How is the simulated portfolio for Contran Corporation constructed?
This simulation is powered by Tritonix AI using official SEC filings. We focus on the "Best Ideas" by filtering for only the Top 20 largest holdings and rebalancing them to 100%. The simulation tracks performance starting from Oct 1, 2025. Our AI monitors for updates every Monday to capture major shifts. This concentrated approach highlights the manager's true stock-picking skill and mirrors their actual investment returns.
What is Contran Corporation's largest holding?
As of the latest filing, Contran Corporation's top position is Kronos Worldwide Inc (KRO), representing 44.3% of the portfolio. This reflects a high-conviction bet by the institution.
What is Contran Corporation's historical performance and risk profile?
Our simulation indicates a total return of +21.3% with a win rate of 100%. Notably, the portfolio maintains a Sharpe Ratio of 1.79, suggesting an strong level of risk-adjusted returns compared to the broader market.
What sectors does Contran Corporation primarily invest in?
Contran Corporation has a strong preference for the Specialty Chemicals sector, which makes up 44.3% of their disclosed assets. The portfolio also has exposure to Security & Protection Services, indicating a specific thematic focus.
Is Contran Corporation's portfolio concentrated or diversified?
Contran Corporation runs a highly concentrated portfolio with 4 disclosed positions. The top 3 holdings alone account for 85.5% of the total portfolio weight, suggesting a strategy that favors deep research into a few key names.
How has Contran Corporation performed in 2026?
Our AI-simulated model portfolio for Contran Corporation tracks a Year-to-Date (YTD) return of +42.6%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Robert D. Graham manage Contran Corporation directly?
Yes, Robert D. Graham serves as the key portfolio manager for Contran Corporation, overseeing the investment strategy and final capital allocation decisions.