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Sebastian Langer

Investment Analyst

B.S. (Finance &  Business Analytics), Trinity University

Sebastian Langer is an Investment Analyst for Argent Trust Company in the San Antonio market. He joined Argent in 2025 and moved into a full‑time role in 2026, where he supports the Texas investment team with investment research, portfolio implementation, and client performance reporting.

Sebastian holds a Bachelor of Science in Finance and a Bachelor of Science in Business Analytics, with a minor in Data Science, from Trinity University. During his time at Trinity, he served as a senior portfolio manager for the university’s Student Managed Fund and captained the cross‑country team. He is fluent in Spanish, a skill that enhances his ability to support clients and collaborate across the diverse Texas market. Prior to joining Argent, he gained experience through internships in equity research at Luther King Capital Management, its private equity affiliate LKCM Headwater Investments, and Marcado Asset Management.

Outside the office, Sebastian enjoys running, cycling, and traveling.

San Antonio

755 East Mulberry Suite 400, San Antonio, TX 78212

(210) 352-2410

755 East Mulberry Suite 400, San Antonio, TX 78212

Provided Services

Trusts & Estate Planning

Trusts & Estate Planning

With over 30 years of expertise serving as sole trustee, co-trustee, successor trustee and directed trustee for thousands of clients, Argent can expertly serve the multi-generational wealth preservation and transfer needs of your family.

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Wealth Management

Wealth Management

Our expert wealth advisors can assist with preserving and growing wealth through tax and risk management, planning for the transfer of wealth, carrying out philanthropic goals and consulting on the preservation of family vision and preparing heirs.

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Latest News & Resources

Insights

Market Update-Third Quarter-October 2026

Market Update-Third Quarter-October 2026

Summary •The S&P 500 gained 2.3% in the third quarter, closing the quarter at 7,652, with record highs set along the way. But the quarter’s real story was in the bond market: the Federal Reserve delivered its first hike in more than three years, and the 10-year...

Retirement Times October 2026

Retirement Times October 2026

October 2026 This month's Retirement Times discusses the following: The Hidden Retirement Cost of Employee Caregiving IRS Provides Update on Opinion Letters for DC Qualified Pre-approved Plans Court Narrows Earlier Ruling on Brokerage Window Fee Disclosure in Alas v....

The Morning View: October 2, 2026

The Morning View: October 2, 2026

https://vimeo.com/1232374711 In this morning’s data, the economy added just 29,000 jobs in September, less than expected, and the previous month was revised lower.  Reviewing the individual categories, the Health Care and Social Assistance industry was relatively...

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