Terrasias Capital Ltd
Stefan Nilsson's Single Family Office · Tokyo, Japan
$100M estimated AUM
AUM figures are estimates compiled from public sources. How we source our data.
About Terrasias Capital Ltd
Terrasias Capital Ltd is the single-family office of Swedish-born, Tokyo-based investor Stefan Nilsson, founded in 2012. Terrasias Capital is a single-family office focused on alternative investments like real estate, hedge funds, private equity and venture capital. The office allocates through both external fund managers and in-house strategies, spanning liquid and longer-term illiquid positions; its assets are undisclosed, with a third-party estimate of roughly $100M. Nilsson serves as co-founder and chief investment officer, and separately founded the Hedge Funds Club in Tokyo in 2005, which has grown into one of Asia's largest networks of hedge fund managers and investors.
Explore more of the largest single family offices.
Family office research
All articles- Exchange Funds vs. 351 ETFs: How Founder Families Diversify Without a Tax BillHow Section 721 exchange funds, Section 351 ETF seeding, charitable remainder trusts and direct indexing let founder families diversify concentrated stock, and what the IRS's September 2026 guidance changes for advisers.21 min read
- The SEC Family Office Exclusion After Archegos: What Family Offices Still DiscloseWhat Rule 202(a)(11)(G)-1 exempts and what it does not: 13F, 13D/13G after the 2023 amendments, Section 16, Form 13H, Form PF, Form SHO and withdrawn swap reporting, with Archegos as the case study.20 min read
- Raising Capital from Single Family Offices: A Field Guide for Alternatives ManagersHow single family offices actually decide, how they differ from endowments and RIAs as LPs, the Reg D, accredited investor, broker-dealer and marketing rule guardrails, and a step-by-step research and outreach process.20 min read
Frequently Asked Questions
What is Terrasias Capital Ltd?
Terrasias Capital Ltd is a single family office associated with Stefan Nilsson, based in Tokyo, Japan.
Where is Terrasias Capital Ltd located?
Terrasias Capital Ltd is based in Tokyo, Japan.
How much does Terrasias Capital Ltd manage?
Terrasias Capital Ltd is estimated to oversee approximately $100M in assets. As a private family office it files no public AUM disclosures, so figures are third-party estimates compiled from public sources.