HST Ventures provides portfolio management for pooled vehicles.
HST Ventures reports 1 pooled investment vehicle. These counts refer to investment vehicles, rather than the individual investors in them. Of its assets, 100.0% ($551M across 1 account) are managed with discretion. Of its clients, 100% are outside the U.S.
| Client type | Clients | Assets |
|---|---|---|
| Pooled investment vehicles | 100% | 100% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Pooled investment vehicles | 1 | $551M | 100.0% | $551M |
| Total | 1 | $551M | 100% | $551M |
- Clients
- 1
- Regulatory AUM
- $551M
- AUM share
- 100.0%
- Avg. per client
- $551M
Total
- Clients
- 1
- Regulatory AUM
- $551M
- AUM share
- 100%
- Avg. per client
- $551M
- Clients outside the U.S.
- 100%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
HST Ventures is paid through fixed fees (other than subscription fees) and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
Paul Hamilos owns 50% to 75% of HST Ventures. The leadership team of HST Ventures includes Chief Compliance Officer Michael Tarkan. It has 4 employees.
Leadership
- Michael TarkanMember/ Chief Compliance Officer
- Paul HamilosMember
Staff
- 4 employees
- 4 in advisory functions
- Owns 50% to 75% of HST Ventures, LLC
Paul Hamilos
Control person · since October 2021
- Owns 25% to 50% of HST Ventures, LLC
Rivrock Group LLC
Control person · since October 2021
- Owns 75% or more of Rivrock Group LLC
Todd Schuster
Control person · since October 2021
- Owns 10% to 25% of HST Ventures, LLC
Michael Tarkan
Control person · since October 2021
HST Ventures’ regulatory assets grew 1.9× from $286M (June 2024) to $551M (February 2026); clients were 1 in both filings and employees rose from 3 to 4.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| February 2026 | $551M | 1 | 4 | 1 |
| March 2025 | $350M | 1 | 4 | 1 |
| June 2024 | $286M | 1 | 3 | 1 |
Besides its headquarters, HST Ventures has 0 offices, with 1 listed address in Utah.
Utah · 1 listed address
- 1389 Center Drive, Suite 200, Park CityHQ
Contact and registration details
- Legal name
- HST Ventures, LLC
- Headquarters
- 1389 Center Drive, Suite 200, Park City, UT 84098
- Website
- hst-ventures.com
- Phone
- 435-962-9194
- @hst-ventures-llc
- SEC file
- 801-130693
- Structure
- Utah LLC
- Fiscal year end
- December
HST Ventures does not have custody of client assets.
How many clients does HST Ventures have?
HST Ventures has 1 client and manages $551 million for them, as of February 2026. They include 1 pooled investment vehicle.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 24 February 2026
What services does HST Ventures offer?
HST Ventures provides portfolio management for pooled vehicles.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How many financial advisors does HST Ventures have?
HST Ventures has 0 investment adviser representatives registered with state securities authorities, out of 4 employees, and 4 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
Who owns HST Ventures?
HST Ventures is owned through a holding company by Todd Schuster. Its direct owners are Michael Tarkan (10% to 25%), Paul Hamilos (50% to 75%) and Rivrock Group LLC (25% to 50%).
Source: Form ADV Part 1A, Schedules A and B, filed 24 February 2026
How does HST Ventures get paid?
HST Ventures is paid through fixed fees and performance-based fees. Its Form ADV lists no commissions among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact HST Ventures?
HST Ventures’ main office is at 1389 Center Drive, Suite 200, Park City, UT 84098. Its phone number is 435-962-9194. Its website is hst-ventures.com.