Overwhelmed by options?
Answer a few questions to see advisors matched to you.
Find a financial advisor
Based on your filters
Stoy H
CFP®, Series 63, Series 65
Ankeny, IA
Black Mammoth LLC
Stoy Hall is a CFP® with 14 years of industry experience and the principal of Black Mammoth LLC, an independent advisory firm based in Ankeny, IA. His prior experience includes roles at Centric Advisors, Majors and Mondragon, MWA Financial Services, and Modern Woodmen of America. Outside of his advisory work, he serves as president of the board for the Starts Right Here Movement and owns consulting firms LNC Financial and Legacy Fiduciary Services. Black Mammoth LLC offers discretionary portfolio management, financial planning, family office and wealth planning, retirement plan consulting, and business advisory services to individuals, high-net-worth clients, trusts, estates, charitable organizations, and corporations. The firm manages accounts primarily on a discretionary basis using model portfolios and may engage third-party sub-advisers, while also sponsoring affiliated private funds and providing cash sweep programs.
Not sure where to start?
We'll help you think it through—whether you ultimately need an advisor or not. Warmer helps you compare advisors clearly, so you can choose with confidence.
For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Advisors are independent and may not have reviewed or updated this information. Please review an advisor’s Form ADV and do your own diligence before deciding whether to work with them.
Advisor matching and introductions are provided by FinanceHQ LLC (“FHQ”), a wholly-owned subsidiary of Warmer and an SEC-registered investment advisor. We receive compensation from certain participating advisors for introductions or referrals. This creates a conflict of interest because we have an incentive to recommend advisors who compensate us, including those who pay us more. You pay no fee to use our matching service, and advisor fees are not increased because of a referral or introduction. We do not review the ongoing performance of advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.
By using our service, you agree to our Terms of Service and Advisory Agreement, and acknowledge our Privacy Policy. Please review FHQ’s ADV Part 2A and Form CRS. Logos provided by Logo.dev
© 2026 Warmer Holdings Inc. (“Warmer”)
Finding advisors...
Find a financial advisor
Based on your filters