How Justin Ernest invested nearly $400M into hot startups without a traditional VC fund

BitcoinWorld

How Justin Ernest invested nearly $400M into hot startups without a traditional VC fund

Last year, Justin Ernest identified a critical disconnect in the venture capital market: family offices and smaller institutional investors were eager to back the fastest-growing AI companies but found themselves locked out of those cap tables. With over five years of experience at Playground Global investing in deep tech and leading fundraising efforts, Ernest saw an opportunity to bridge that gap using his extensive network of both investors and founders.

Building a bridge without a fund

Instead of launching a formal VC fund — a process he says can take new managers 12 to 18 months — Ernest leveraged his relationships to secure allocations of stock in high-profile, later-stage companies. He then offers these individual deals to a group of about 30 smaller institutional investors using Special Purpose Vehicles (SPVs), which function as single-deal funds.

Over the past 12 months, his firm, Sabertooth VC, has deployed nearly $400 million into 10 companies, including Anthropic, Anduril, Databricks, PsiQuantum, and SpaceX. Each deal is treated as its own separate fund, typically structured as an SPV, where investors buy shares in a vehicle that directly owns the stock. Checks range from $10 million to $275 million, giving Sabertooth significant stakes in official, company-approved funding rounds.

Reputation as a differentiator

Sabertooth is not the only firm offering family offices access to equity in individual high-profile startups. However, Ernest has quickly raised substantial capital because he has built a reputation for legitimacy in a space sometimes clouded by questionable practices.

“Justin is authentically an investor,” said Benjamin Wagner, a CIO for a family office managing wealth for 50 individuals. “He has judgment, he has expertise, he’s very technical. That really distinguishes him from other organizations that tend to, in my opinion, just try to aggregate capital.”

Wagner’s confidence was reinforced when he tried to invest directly in PsiQuantum, a quantum computing startup last valued at $7 billion. The company’s CFO suggested he invest through Sabertooth instead. “So, the first time I met him, I knew he was legitimate,” Wagner said. “Justin’s access is definitely different from some of these fly-by-night organizations.”

That validation is crucial. At a time when startups like Anthropic and Anduril are cracking down on unauthorized SPVs, investing through Sabertooth gives smaller limited partners peace of mind, knowing their money is entrusted to an investor directly vetted and respected by the companies themselves.

From speech impediment to network nucleus

Beyond technical knowledge, the Harvard Business School graduate honed his communication skills after largely overcoming a childhood speech impediment. Ernest credits his ability to secure stock allocations in coveted tech companies to his wide network.

“I’ve always found that my sort of superpower is being the nucleus of my network, and I like to use that and utilize that in a very strategic way,” he told Bitcoin World.

For instance, he can generally raise investor capital for a new SPV from family offices on a tight timeline. “I have a captive set of LPs,” he said. “I can usually make four or five or six phone calls, and I know exactly what my LPs will commit.”

Returns and the path to a traditional fund

Ernest told Bitcoin World that for now, he wants to continue growing his business of raising funds for specific companies on behalf of his dedicated LP base. However, his ultimate goal is to eventually raise a traditional venture fund. That’s a difficult task, but he believes Sabertooth’s strong returns via these one-off SPVs will prove his track record — something investors care about most when deciding to back a new fund.

He is already on his way. Sabertooth has had one major return from chipmaker Groq, which was licensed and acqui-hired by Nvidia for $20 billion late last year. Next up are SpaceX’s highly anticipated IPO this Friday and Anthropic’s expected public listing later this year, both poised to deliver an even greater windfall for his investors.

While SPVs do not carry the same street cred as traditional VC funds, Ernest remains confident that starting with them and earning a solid reputation with family offices — rather than launching an emerging venture fund and competing head-on — was the right strategic move.

“I wanted to be in the action,” he said. “I think this will end up being one of the best vintages of our lifetime.”

Conclusion

Justin Ernest’s approach demonstrates a viable alternative to the traditional VC model, particularly for investors seeking access to late-stage, high-growth startups. By focusing on relationships, transparency, and proven returns through SPVs, he has built a bridge for family offices and smaller institutions that might otherwise be left out. Whether this model will ultimately lead to a traditional fund remains to be seen, but his early results suggest a strong foundation for long-term success.

FAQs

Q1: What is an SPV in venture capital?
A Special Purpose Vehicle (SPV) is a legal entity created for a single investment deal. It allows multiple investors to pool their capital to purchase shares in a specific company, rather than committing to a broader fund. SPVs are often used to give smaller investors access to high-demand startups.

Q2: Why do family offices use firms like Sabertooth VC?
Family offices often lack the direct relationships needed to secure allocations in top-tier, later-stage startups. Firms like Sabertooth VC provide vetted access, due diligence, and a trusted intermediary, reducing the risk of unauthorized or illegitimate deals.

Q3: What are the risks of investing through SPVs?
SPVs can carry higher fees, less diversification, and limited liquidity compared to traditional VC funds. Additionally, some SPVs may operate without proper company approval, leading to potential legal or reputational risks. Working with a reputable firm like Sabertooth helps mitigate these concerns.

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