# Black Mammoth LLC

Black Mammoth LLC is a RIA based in Ankeny.

## Overview

- **Organization type:** RIA
- **Headquarters:** Ankeny
- **Assets under management:** Undisclosed
- **Website:** blackmammoth.com
- **LinkedIn:** https://www.linkedin.com/company/stoyhall

## Regulatory record

- **CRD number:** 310508
- **Registration status:** Registered
- **Reports private funds:** No
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/310508

## About

Black Mammoth is a Modern Family Office built for women, minority, and LGBTQ business owners. One team runs business and personal finances together, coordinating taxes, owner pay, accounts, policies, and goals. Services range from DIY review to ongoing holistic financial planning (Mahalo) to a full Modern Family Office offering (Ohana).

## Sectors

- Women, minority, and LGBTQ business owners

## People

- Stoy

## Questions

### What investment strategy does Black Mammoth LLC follow?

Black Mammoth LLC has not publicly disclosed its investment strategy, asset allocation, or sector preferences. The firm's approach is unknown from public records.

### What is the capital structure of Black Mammoth LLC?

The entity is structured as an LLC, a common vehicle for family offices that provides liability protection and operational flexibility. Its capital base, sources of wealth, and total AUM are not publicly available.

### Does Black Mammoth LLC make direct investments or co-invest with other entities?

No public records confirm any direct investments, co-investments, fund commitments, or deal activity by Black Mammoth LLC. The firm's involvement in any transaction has not been reported.

### How does Black Mammoth LLC maintain privacy?

The firm operates without a public website, LinkedIn presence, or press coverage. It files limited corporate disclosures typical of private companies, and its ownership structure is not publicly accessible. This level of opacity is characteristic of family offices that manage capital for ultra-high-net-worth individuals seeking anonymity.

## Related profiles

- [Weston Capital Insights](https://altss.com/profile/weston-capital-insights)
- [Grizzly Ventures Management Company LLC](https://altss.com/profile/grizzly-ventures-management-company-llc)

---

Last updated: 2026-08-11T15:06:13.093Z

Canonical page: https://altss.com/profile/black-mammoth-llc

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology