Home / Wiki / Special-Purpose Vehicle

Fund StructuresReviewed 2026-07-21

Special-Purpose Vehicle

A standalone legal entity created for a single, narrow purpose — typically to isolate a specific asset or exposure from the rest of a fund’s balance sheet.

Definition

A special-purpose vehicle (SPV) is a separate legal entity — or, in jurisdictions that support it, a statutorily ring-fenced cell — formed to hold or execute one narrow, defined activity — most commonly to hold a single asset, exposure, or transaction — legally isolated from the balance sheet and creditors of whatever entity created it. An SPV typically has no operating business of its own; its entire purpose is defined by the transaction it was formed for.

In fund contexts, an SPV is commonly used to hold an illiquid, hard-to-value, or otherwise problematic position outside of the main fund vehicle, similar in intent to a side pocket, or to ring-fence a specific transaction — a bilateral token warrant, a SAFT, a single co-investment — so that its risks and liabilities cannot spill over into the fund's general assets, and so investors who did not participate in that specific deal are not exposed to it.

SPVs are almost always formed in a jurisdiction chosen for the same reasons as any other fund entity — see fund domicile — and, depending on structure, can be a company, a limited partnership, or (in jurisdictions that support it) a segregated portfolio cell rather than a wholly separate legal entity.

Why it matters

Isolating a specific asset or transaction in its own legal entity means that if that particular exposure goes badly — a counterparty defaults, an asset becomes worthless, litigation arises from that specific deal — the losses and liabilities are contained within the SPV and cannot reach back into the main fund’s other assets or its other investors.

SPVs also let a manager offer a specific opportunity — a single co-investment, a bespoke deal — to only the investors who want exposure to it, without forcing every LP in the main fund to participate or be diluted by a position they did not choose.

Common mistakes

Assuming an SPV automatically protects the main fund from reputational or operational spillover — legal isolation of assets and liabilities does not prevent a troubled SPV from affecting investor confidence in the manager running it.
Treating an SPV and a side pocket as the same tool — a side pocket segregates an asset’s valuation and allocation within the existing fund vehicle for the fund’s own investors; an SPV is a wholly separate legal entity, often used to bring in a subset of investors or an entirely new counterparty.
Underestimating the setup cost and time of forming a new legal entity — an SPV is not a bookkeeping label; it requires its own formation, governance documents, and often its own bank or custody relationships before it can hold anything.
Assuming one SPV can hold multiple unrelated exposures over time without diluting the isolation rationale — SPVs are typically single-purpose by design; stacking unrelated transactions into one SPV undermines the legal and risk separation it was created to achieve.

In practice

Crypto funds reach for an SPV most often to hold a single illiquid or bespoke position — a locked token allocation, a bilateral OTC derivative, a specific DeFi position with unusual counterparty risk — away from the fund’s main tradeable book, so that its risk and valuation uncertainty do not distort the NAV that the rest of the fund’s investors are marked against.

Because forming and maintaining an SPV carries real legal and administrative cost, smaller crypto funds more commonly use a side pocket within the existing fund vehicle for an illiquid or hard-to-value position, reserving a standalone SPV for cases involving a genuinely separate investor group or counterparty.

Questions, answered

What is a special-purpose vehicle in fund structures?

A special-purpose vehicle (SPV) is a standalone legal entity created for one narrow purpose — typically to hold a specific asset or transaction — so that its risks and liabilities are legally isolated from the main fund’s balance sheet.

How is an SPV different from a side pocket?

A side pocket segregates an illiquid asset’s valuation and allocation within the existing fund vehicle for the fund’s current investors. An SPV is a wholly separate legal entity, more often used when a subset of investors or an outside counterparty is involved.

Why would a fund use an SPV instead of holding an asset directly?

An SPV legally contains the risks and liabilities of a specific asset or transaction — such as a counterparty default or litigation tied to that deal — so they cannot reach the main fund’s other assets or its broader investor base.

Does forming an SPV take significant time and cost?

Yes. An SPV is a genuine separate legal entity requiring its own formation, governance documents, and often its own banking or custody relationships, which is why funds typically use one only when the isolation benefit clearly outweighs that setup cost.