Cities & Counties
Trusted by Texas cities & counties since 1991.

At Lone Star Investment Pool, we are proud to be Texas-based and Texas-focused. Founded in 1991, our mission has always been to support local governments across the Lone Star State with flexible, and transparent investment solutions. As part of a sound financial strategy, many entities choose to diversify their holdings across multiple investment pools and banks — and Lone Star is a strong, trusted option to include in that mix. We’re not just another financial institution — we’re your neighbors, governed by local officials who understand the unique challenges and opportunities facing Texas communities.
Personalized Service, Real People
When you call us, you won’t get a call center — you’ll speak directly with a knowledgeable representative who knows your name and understands your needs. Our team is committed to providing responsive, one-on-one support to help you navigate your investment options with confidence.
Investment Solutions Designed for Local Governments
We offer a variety of fund options that prioritize:
- Principal Protection: Safeguarding your investments is our top priority.
- Daily Liquidity: Access your funds when you need them, with ease.
- Diversification: Help mitigate risk through our dual investment manager model.
- Competitive Returns: Aim for strong yields without compromising safety.
Our funds are managed with care and expertise by our two investment managers, American Beacon and Mellon Investments Corporation.
Simple, Cost-Free Enrollment
Joining the Pool is straightforward:
- Minimum Initial Investment: $50,000
- No Setup Fees: Establishing an account comes at no cost.
We make it easy for you to start benefiting from our services without unnecessary hurdles.
Ready To Experience the Lone Star Difference?
By participating with Lone Star, you become part of a community of cities, counties, school districts, and other public entities across Texas that trust us to manage their investments effectively. Together, we work towards preserving principal, maintaining liquidity, and maximizing yield.
Our team is ready to help you join Lone Star Investment Pool. Fill out our contact form or call 800-558-8875 and a team member will walk you through the process. We're here to support your financial goals and help you navigate the complexities of public sector investing.
Our Available Fund Options
Corporate Overnight Plus Fund
The objective is to provide you with safety of principal, daily liquidity, and the highest possible rate of return. This fund seeks to maintain a net asset value of one dollar, and its dollar-weighted average maturity is 120 days or fewer.
View Fund InformationCorporate Overnight Fund
The objective is to provide safety of principal, daily liquidity, and the highest possible rate of return. The fund seeks to maintain a net asset value of one dollar, and its dollar-weighted average maturity is 60 days or fewer.
View Fund InformationGovernment Overnight Fund
The objective is to provide safety of principal, daily liquidity, and the highest possible rate of return. The fund seeks to maintain a net asset value of one dollar, and its dollar-weighted average maturity is 60 days or fewer.
View Fund Information