“Semi-liquid” is industry shorthand, not a regulatory category. It describes a liquidity profile — periodic and limited rather than daily or absent — and it covers structures that differ from each other in ways the label conceals.
That is worth stating first, because the term is doing a lot of work in sales conversations. Two products both described as semi-liquid can offer materially different commitments, and an investor who has learned that a fund is semi-liquid has learned almost nothing about what they can actually do with their money.
What sits under the label
Interval funds — registered closed-end funds that adopt a fundamental policy under Rule 23c-3 committing them to repurchase a stated percentage of shares at stated intervals. The commitment is in the charter and cannot be changed without a shareholder vote. This is the firmest liquidity commitment in the category.
Tender offer funds — registered closed-end funds that conduct repurchases at the board’s discretion under the tender offer rules. Most conduct offers on a regular cadence; none is obliged to. Often limited to accredited investors or qualified purchasers.
Perpetual non-traded BDCs — continuously offered at monthly NAV with capped share repurchase programmes.
NAV REITs — the same template applied to real estate.
Unregistered evergreen vehicles — private perpetual funds sold under private placement exemptions, with periodic repurchase provisions defined entirely by their own documents.
The common shape
Despite the differences, they share a structure:
- Investors buy at NAV, struck periodically
- Exits happen through a fund-provided repurchase, not a sale to another investor
- Repurchases are capped as a proportion of the fund
- Oversubscription produces proration
- The underlying assets are illiquid, which is the reason for all of the above
And they share a consequence: the liquidity constrains precisely when it is most wanted. Heavy redemption demand coincides with stress in the underlying assets. This is not a defect in any particular fund; it follows inevitably from offering periodic liquidity against assets that cannot be sold quickly.
What actually distinguishes them
Four questions separate these structures, and none of them is answered by the word “semi-liquid.”
1. Is the repurchase committed or discretionary?
An interval fund’s obligation is in its fundamental policy. A tender offer fund’s is not. A private evergreen vehicle’s depends on its documents. This is the single largest difference in the category and it is invisible from the marketing.
2. Who can invest, and what is disclosed?
Registered funds file prospectuses and periodic reports. Private evergreen vehicles disclose what their documents require. BDCs additionally file position-level schedules of investments, which is the most granular disclosure available anywhere in this category.
3. What is actually held?
Credit strategies generate contractual cash flow that helps fund repurchases naturally. Private equity and real estate do not, and rely more heavily on liquid sleeves, credit facilities, and new subscriptions.
4. How is NAV determined?
Because investors transact at NAV rather than merely being reported to at NAV, valuation is a fairness question between entering, remaining, and exiting shareholders. A stale or optimistic mark transfers value between them. Independent valuation input matters more here than in a drawdown fund, and it varies considerably.
The questions that produce real answers
Rather than asking whether a fund is semi-liquid, ask:
- Is the repurchase obligation committed or discretionary?
- What is the cap, per period?
- Has the programme ever been prorated, reduced, or suspended — and when? This is the most informative single question available, and the answer is in the filings.
- How are repurchases funded — liquid sleeve, portfolio cash flow, credit facility, or new subscriptions? A fund materially dependent on new subscriptions is more fragile than its cap suggests.
- What proportion of the portfolio is genuinely illiquid?
- How is NAV determined, how often, and with what independent input?
- What is the full timeline from request deadline to cash?
- Which share class, and what does it cost over a realistic holding period?
The mechanics behind questions four and seven are covered in semi-liquid fund repurchase mechanics.
Why the category grew
The honest account has both a demand and a supply side.
Demand: investors wanted alternatives exposure without capital calls, without ten-year lock-ups, and without eligibility barriers. Advisory platforms wanted products that fit existing custody and reporting systems. Semi-liquid structures delivered both.
Supply: managers wanted access to a much larger pool of capital than institutional fundraising reaches, and perpetual vehicles provide durable fee-earning assets rather than capital that returns and must be re-raised.
Neither motive is illegitimate, and the products genuinely widened access. It is worth noticing that the structure serves the manager as well as the investor, because that shapes how enthusiastically it is marketed.
The framing that avoids disappointment
A semi-liquid fund is best understood as a long-horizon investment with an option to exit early that works in ordinary conditions and is limited in stressed ones.
Investors who hold that framing use these funds well: they size positions as long-term holdings, treat the repurchase feature as a convenience rather than a plan, and are not surprised when it constrains.
Investors who read “semi-liquid” as “liquid enough” eventually discover the difference. The structures are not misdescribed — every prospectus sets out the caps, the proration, and the suspension rights. The label is simply doing more reassurance than it can support.
This guide is educational and general; it is not investment advice. Fund terms differ materially; review the offering documents for any specific fund.
Frequently Asked Questions
What is a semi-liquid fund?
An informal label for vehicles that offer periodic, limited liquidity rather than daily redemption or none at all. It covers interval funds, tender offer funds, perpetual BDCs, NAV REITs, and some unregistered evergreen structures. It describes a liquidity profile rather than a legal form.
How liquid are semi-liquid funds actually?
They offer a periodic opportunity to request repurchase at NAV, capped as a percentage of the fund, prorated if oversubscribed, and in some structures suspendable. In ordinary conditions requests are usually filled. Under stress the caps bind, which is when investors most want to exit.
What structures does the term cover?
Interval funds with committed repurchase schedules, tender offer funds with discretionary repurchases, perpetual non-traded BDCs, NAV REITs, and unregistered evergreen vehicles. They differ meaningfully in eligibility, disclosure, and how firm the liquidity commitment is.
Is semi-liquid a regulatory category?
No. It is industry shorthand with no fixed legal meaning, which is precisely why it deserves scrutiny. Two products both described as semi-liquid can offer very different commitments, and the label itself tells an investor almost nothing.
What should an investor ask about a semi-liquid fund?
Whether repurchases are committed or discretionary, what the cap is, whether the programme has ever been prorated or suspended, how the fund funds repurchases, how much of the portfolio is genuinely illiquid, and how NAV is determined given that investors transact at it.
Sources
- Investment Company Act of 1940, Rule 23c-3 (periodic repurchases by closed-end companies)
- Securities Exchange Act of 1934, Rule 13e-4 and Regulation 14E (issuer tender offers)
- Investment Company Act of 1940, Sections 54-65 (business development companies)
