The global private credit market stands at approximately US$3.5 trillion in AUM, with Europe accounting for roughly 30% of that figure. For years, loan-originating fund design was largely shaped by commercial strategy and manager preference. AIFMD II changes that; not uniformly, but meaningfully where it matters.
For established managers already running closed-ended vehicles within conservative leverage parameters, the new regime largely codifies existing practice. For new entrants, semi-liquid structures and higher-leverage strategies, the effect is more fundamental: regulatory parameters are now embedded directly into fund architecture on a harmonised EU-wide basis.
Leverage as a structural input
AIFMD II imposes hard leverage caps on LO-AIFs calculated using the commitment method: 175% of NAV for open-ended structures, 300% for closed-ended. These are not soft guidelines; they define the outer boundary of permissible exposure and must be complied with from 16 April 2026 – the member state implementation deadline – by any fund established after 15 April 2024.
Leverage can no longer be calibrated by commercial judgment alone. If a strategy requires more than the cap permits, the fund structure or the strategy itself must change. Neither option is straightforward once capital is in the market.
Risk retention bakes in the lending model
The 5% risk retention requirement – a minimum of the notional value of each originated loan that is subsequently transferred to third parties, held for at least two years from the date of agreement or until maturity, whichever comes first – codifies the prohibition on pure originate-to-distribute strategies. Exceptions exist (deterioration in borrower risk profile; breach of diversification limits) but are carved out narrowly, with the burden of proof sitting with the AIFM.
Retention must be factored into liquidity planning, capital allocation and return modelling from launch. A fund that originates and transfers loans at volume looks structurally different under this regime than it did before.
The closed-ended default
Perhaps the most consequential provision is the closed-ended default. A LO-AIF must be closed-ended unless the AIFM can demonstrate to its competent authority that its liquidity risk management system is compatible with its investment strategy and redemption policy. ESMA has yet to finalise the RTS that will define what that demonstration requires
Closed-ended is now the regulatory baseline, open-ended the exception. Closed-ended mechanics constrain dynamic capital recycling, limit the ability to manage redemption pressure, and reduce optionality when market conditions shift. These constraints are locked in at launch: a manager who spots a better deployment opportunity mid-life, or needs to reposition in response to credit stress, has structurally limited means to act on it.
Trade-offs that must be resolved at launch
Structural decisions previously deferred are now front-loaded. Before constituting a fund, managers need to resolve: whether the closed-ended/open-ended choice creates a tension with LP liquidity expectations; how retention interacts with secondary transfer plans; whether the strategy can satisfy the open-ended test; and how the 20% concentration limit (which applies to AIF, UCITS and financial undertaking borrowers, not corporate borrowers) maps against the target mandate.
These are not drafting points; they shape how the portfolio evolves and how the manager responds when conditions change.
The Timing Problem
The 16 April 2026 implementation deadline arrives as European monetary policy faces a genuine dilemma. The ECB ended its rate-cutting cycle in mid-2025 as inflation returned to target. Since then, coordinated US/Israel strikes on Iran from late February 2026 have driven oil and gas prices upwards, with further near-term ECB cuts unlikely.
For a closed-ended LO-AIF, this matters structurally. If benchmark rates stay elevated for long enough to stress borrower debt service capacity, increasing refinancing risk, the portfolio dynamics that justified the original structural design may shift considerably.
The regime’s parameters may prove harder to navigate in a high-rate, volatile environment than its architects anticipated — designed as it was primarily to address systemic risk from unconstrained growth rather than to model portfolio resilience under sustained credit stress.
Designing for what you can’t predict
The response is not to treat structural design as a compliance exercise. It requires the same analytical rigour as the investment strategy itself – modelling the interaction between the leverage cap, the fund’s return target, and the rate scenarios under which the strategy was designed to perform; stress-testing risk retention commitments against origination volume and liquidity planning; and building governance frameworks capable of absorbing the Level 2 measures ESMA has yet to finalise without requiring structural redesign. The directive has just made that discipline compulsory.
Ed Boal is General Counsel and Chief Domain Expert at StructureFlow, a structural intelligence platform that helps investment managers, law firms and accounting teams map, model and navigate complex organisational and transactional structures.
