Shelter

Shelter is not a single family office. The name covers at least three separate investment entities — Shelter Growth Capital Partners (distressed residential credit), Shelter Capital Partners (venture capital), and Shelter Canadian Properties Limited (real estate) — each operated by a different principal with no shared balance sheet or unified investment committee. Institutional due diligence should begin by specifying which Shelter entity is under evaluation.

Each entity operates independently. Dan Sparks is the founder, CEO, and CIO of Shelter Growth Capital Partners. Arthur Bilger founded and leads Shelter Capital Partners. Arni Thorsteinson is the beneficial owner and controlling principal of Shelter Canadian Properties Limited. There is no public evidence of a cross-entity investment committee.

Cantilever Group made a strategic minority investment in Shelter Growth Capital Partners in 2025 (Altss research). Cantilever is not an investor in Shelter Capital Partners or Shelter Canadian Properties Limited, based on public records. The investment aligns Cantilever with Dan Sparks' credit vehicle specifically, not the broader Shelter network.

No. Shelter does not publish a consolidated AUM figure across its entities. Each vehicle — Shelter Growth Capital Partners, Shelter Capital Partners, and Shelter Canadian Properties Limited — operates with independent governance, and none publicly reports assets under management. Any AUM figure attributed to a specific entity would require direct confirmation from that entity's management.

The three main entities target distinct asset classes. Shelter Growth Capital Partners focuses on distressed residential mortgage credit, structured credit, and US real estate. Shelter Capital Partners invests in early-stage venture capital, primarily in technology. Shelter Canadian Properties Limited manages multi-family residential and commercial real estate across Canada and the US, including properties in Issaquah Highlands, Washington and London, Ontario.