Evergreen funds — also called semi-liquid or perpetual capital vehicles — are open-ended private markets funds that accept new capital continuously and offer periodic liquidity windows (typically quarterly redemptions at NAV). Unlike traditional closed-end funds, they eliminate the J-curve and commitment pacing challenge. Global semi-liquid AUM reached approximately US$493 billion by late 2025 and is projected to exceed US$1 trillion by 2029.
Answer
Evergreen funds — also called semi-liquid, perpetual capital or open-ended private markets vehicles — accept new investor capital continuously and offer periodic redemption windows at net asset value, rather than locking capital for a fixed 10-year fund life. They have grown rapidly as a mechanism for bringing private markets access to a broader range of investors, particularly in the wealth channel. Global semi-liquid AUM reached approximately US$493 billion in Q3 2025, up more than 30% year-on-year, with projections of US$1 trillion by 2029.
The Problem They Solve
Traditional closed-end private markets funds — buyout, venture, infrastructure, private credit — impose a demanding operational model on investors. A typical commitment runs 10–12 years. Capital is drawn in unpredictable tranches as deals close. Returns emerge in the later years after an initial J-curve of negative early performance. And the commitment must be paced carefully to avoid either over-committing (and failing to meet capital calls) or under-allocating (holding idle cash waiting to deploy).
For large institutional investors — sovereign wealth funds, major pension funds — this model is manageable, because they have the scale, staffing and cash-flow management systems to operate it. For smaller institutions and the wealth channel, it has historically been a barrier.
Evergreen structures address three of the key constraints: the illiquidity lock-up, the irregular capital deployment pattern, and the J-curve.
How Evergreen Funds Work
Continuous Subscription
Unlike a closed-end fund with a fixed fundraising period, an evergreen fund accepts subscriptions on a regular cycle — typically monthly or quarterly. New investors subscribe at current NAV, gaining exposure to a running portfolio of private assets rather than starting a new fund from zero.
Periodic Redemption Windows
Most semi-liquid structures offer quarterly redemption windows, with liquidity gates limiting total redemptions to 5–25% of fund NAV per period. Some structures offer monthly liquidity for a smaller portion. The gate mechanism protects the fund from being forced to sell illiquid assets to meet redemptions in stress.
A typical structure maintains a cash or near-liquid buffer of 10–20% of NAV to fund redemptions without requiring asset sales. In stressed markets, gates may be triggered and redemptions satisfied pro-rata across requesting investors.
Valuation and Pricing
NAV is updated quarterly based on underlying asset valuations — the same cadence as traditional closed-end PE fund valuations. This is a key structural difference from daily-priced liquid funds: investors do not see daily price movements, and the quarterly update creates a degree of valuation smoothing that may understate true volatility.
Management Fees and Carry
Evergreen funds typically charge an annual management fee of 1.0–1.5% of NAV plus a performance fee (often 10–12.5% above a hurdle rate). Total expense ratios averaged over 3% per annum across the semi-liquid universe as of Q3 2025, according to Hamilton Lane data — notably higher than the blended costs of equivalent closed-end fund portfolios at institutional scale.
Market Size and Growth
The semi-liquid private markets segment has grown from a niche to a significant capital pool:
- Total AUM: Approximately US$493 billion in total net assets globally as of Q3 2025 (Hamilton Lane data).
- U.S. market: US$457 billion across 486 semi-liquid evergreen funds as of year-end 2025.
- Annual flows: Grew from US$10 billion in 2020 to a projected US$74 billion in 2025, even as traditional closed-end fundraising faced headwinds.
- Growth rate: AUM grew over 30% in the 12 months through September 2025.
- 2029 projection: US$1.1 trillion (Morningstar).
- 2030 projection: US$4.1 trillion (various forecasters, including for broadened retail access).
More than half of current semi-liquid funds were launched in the last four years — a reflection of rapid product innovation, primarily driven by the asset management industry's push into the wealth channel.
Asset Classes in Evergreen Structures
Evergreen vehicles have been constructed across most private markets asset classes, with varying degrees of success:
Private credit: The most natural fit. Private loans are shorter-duration and self-liquidating (they mature), which provides a natural source of liquidity and reduces gate risk. The majority of semi-liquid AUM is in private credit strategies, including direct lending, infrastructure debt, and asset-backed lending.
Real estate: Open-ended real estate vehicles (non-traded REITs in the U.S., PAIFs in Europe) have a long history predating the current evergreen trend. They faced significant gate activations in 2022–23 when rising rates and market stress drove elevated redemption requests at Blackstone's BREIT and others.
Infrastructure: Open-ended infrastructure funds have attracted major interest from institutional investors who want steady income and inflation linkage without the commitment pacing of closed-end models. APG, CPPIB, and others have backed large evergreen infrastructure vehicles.
Private equity (buyout): The most challenging asset class for evergreen structures. Buyout assets are least liquid, valuations are most subjective, and the longer hold periods create tension with quarterly liquidity promises. Nevertheless, several managers — including Hamilton Lane, Partners Group, and Blackstone — have launched evergreen PE vehicles targeting institutional and wealth channels.
Evergreen vs. Traditional Closed-End: Key Trade-offs
| Feature | Evergreen / Semi-liquid | Traditional Closed-End |
|---|---|---|
| Capital lock-up | Quarterly liquidity (gated) | 10–12 years |
| J-curve | Eliminated (buy in at running NAV) | Present, typically 2–5 years |
| Commitment pacing | No pacing needed | Complex pacing required |
| Fees | Higher (>3% average net expense) | Lower for institutional scale |
| Minimum investment | Lower (often US$25K–1M) | Higher (US$5M–25M typical) |
| LP alignment | Weaker (exit flexibility reduces commitment) | Stronger |
| Transparency | Quarterly NAV; less look-through | Varies; full portfolio disclosure common |
| Liquidity risk | Gate activation in stress | N/A (fully locked) |
What Asset Owners Should Watch
For institutional investors with substantial private markets programs, evergreen structures present a specific set of considerations:
Gate correlation risk: In a broad market sell-off, redemption requests across multiple evergreen vehicles may be submitted simultaneously. If multiple funds activate gates at the same time, the "periodic liquidity" promise may prove harder to access than expected, particularly for investors who have concentrated their private markets exposure in semi-liquid vehicles.
Fee drag at scale: For large allocators, the fee disadvantage of evergreen structures (often 1–2% per annum above institutional closed-end costs) compounds significantly over a 10-year horizon. At US$500 million of allocation, a 1% fee premium represents US$5 million per year — before compounding.
Valuation smoothing: Quarterly NAV updates mean that the reported performance of evergreen funds understates true volatility. This can flatter Sharpe ratios and risk metrics in multi-asset portfolio models that compare private and public assets.
Appropriate uses: Semi-liquid structures can be appropriate for institutions seeking smoother deployment (avoiding large unfunded commitments), for programs where liquidity optionality has genuine value, or for accessing asset classes (such as middle-market private credit) where the closed-end alternative offers no meaningful cost or return advantage.
The rapid growth of the semi-liquid market reflects genuine demand for more accessible private markets vehicles. Whether the liquidity promises embedded in these structures hold through a severe market stress remains, as of 2026, the key unresolved question.