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BNP Paribas AM: Managing illiquidity in open-ended funds with private asset allocations

Reported by Investmentweek
Aug 11, 2026· 3 min read
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Key Takeaways
  • • BNP Paribas Asset Management addresses three core operational challenges in constructing open-ended funds with private asset allocations: efficient capital deployment, portfolio drift management, and balancing liquidity redemptions with multi-year capital lock-ups in illiquid assets.
  • • Private asset allocations in open-ended funds enable smaller investors to access diversified exposure to private equity and private debt—asset classes previously reserved for institutional investors with high minimum thresholds—while potentially delivering returns that exceed public asset benchmarks.
  • • Cash flow timing and magnitude directly impact internal rates of return (IRR) for private asset investments; inefficient management of capital calls and distributions dilutes returns and creates undesired cash drag that erodes fund performance.
  • • The strategy proposed by BNP Paribas AM minimizes cash allocation drag by optimizing the sequencing of capital calls and distributions, preventing portfolio weight drift that would require costly rebalancing of illiquid holdings.
  • • Open-ended funds holding illiquid private assets face structural risk during market stress periods, as daily redemption obligations may force liquidations at unfavorable prices; effective cash management and liquidity frameworks are strategically imperative to mitigate this exposure.
Summary
BNP Paribas Asset Management has developed a framework for integrating private asset allocations into open-ended funds, addressing a fundamental gap in retail and mid-market investor access to alternative assets. Historically, private equity and private debt investments have remained concentrated among large institutional investors due to high capital minimums and illiquidity constraints. The approach outlined by BNP Paribas AM expands this opportunity by structuring portfolios that include meaningful private asset exposure while maintaining the daily liquidity and redemption flexibility expected from open-ended funds.

The core operational challenge centers on managing three interconnected dynamics. First, capital deployment efficiency requires careful orchestration of capital calls from private asset investments and distributions back to the fund, minimizing idle cash holdings that erode net returns. Second, portfolio rebalancing becomes operationally complex when holdings include illiquid private assets; uncontrolled drift in portfolio weights can push allocations beyond target levels without a practical mechanism to rebalance. Third, and most critically, fund managers must satisfy daily or frequent redemption requests while simultaneously committing capital to private assets with multi-year lock-up periods—a fundamental tension between short-term liquidity obligations and long-term capital commitments.

The financial performance of private assets is measured primarily through internal rates of return (IRR), a metric that incorporates the timing and size of all cash flows alongside net asset value. Suboptimal cash flow management—either through excess cash holdings or poorly timed capital calls and distributions—directly depresses IRR outcomes, making the timing and sequencing of cash movements a material driver of returns. BNP Paribas AM's proposed strategy systematically addresses this by reducing cash drag and optimizing capital call scheduling to align with distribution timing across the portfolio.

The structural vulnerabilities of open-ended funds holding illiquid assets became evident during periods of market stress, when simultaneous redemption requests can force managers to liquidate positions at disadvantageous prices or implement gates restricting withdrawals. Effective cash management and liquidity governance frameworks are therefore not peripheral operational concerns but central to risk management and fiduciary responsibility. BNP Paribas AM emphasizes that same-day liquidity access, paired with strategic private asset allocations, requires disciplined internal policies and systematic capital flow forecasting to maintain both investor protection and portfolio integrity.

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Investmentweek BNP Paribas AM: Managing illiquidity in open-ended funds with private asset allocations