• The firm is expected to finalize its fundraise in the next couple of weeks, sources said
  • Castle Island has previously hit on winning VC stakes in companies including Bitwise and BlockFolio

Cryptocurrency venture capital firm Castle Island Ventures has raised hundreds of millions of dollars for its latest fund as institutional investors continue to plow capital into the space, despite record valuations. 

The huge fundraising haul reflects Castle Island’s track record of investing early — often in pre-seed or seed rounds — in some of the most successful crypto companies in the industry, according to three sources familiar with the matter who confirmed the fundraise.

Sources were granted anonymity to discuss sensitive business dealings. The precise amount raised isn’t known, and the firm declined to comment.

The new fund remains open to investors, sources said, though it’s expected to finalize its capital-raising haul in about two weeks. In the meantime, Castle Island is working to finalize commitments from a number of large investors. 

The fund, Castle Island Ventures III, is the third for the firm, which also engages in co-investment opportunities with its limited partners. This time around, sources said, Castle Island scored larger institutions as investors, branching out from the high-net worth individuals and family offices that have traditionally backed private digital asset plays. 

The third fund is set to follow the strategy of the firm’s first two vehicles — at least for the most part. Those funds earmark about 20% of capital to early-stage tokens, often coming in and investing before the token launches. 

“On one hand, these valuations are crazy high,” one source said. “On the other, LPs are looking for experienced, winning managers that can still derive a ton of alpha from this space.”

Massachusetts-based Castle Island’s portfolio includes the likes of Bitwise, BlockFi, Casa, ErisX, Matrixport, MoonPay and River Financial. 

Castle Island is led by co-founders and managers Matthew Walsh and Nic Carter, both veterans of Fidelity’s crypto investment operations. Sean Judge, formerly of Highland Capital, is a general partner.

It would likely go down as one of the largest so far this year, even as firms including Brevan Howard set up their own operations, which are expected to take in large amounts of capital.


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  • Managing Editor
    Michael Bodley is a New York-based managing editor for Blockworks, where he focuses on the intersection of Wall Street and digital assets. He previously worked for the institutional investor newsletter Hedge Fund Alert. His work has been published in The Boston Globe, NBC News, The San Francisco Chronicle and The Washington Post. Contact Michael via email at [email protected]