Blog
SEC Co-Investment Relief Signals Continued Convergence of Public and Private Markets
Eva Honkanen | 27 May 2026
The SEC’s recent no-action letter permitting open-end funds to participate in affiliated co-investment transactions may mark another step in the steady convergence of public and private markets. Traditionally, private credit and negotiated investment opportunities were largely reserved for institutional investors and private funds, while open-end funds were built around liquid public securities and daily redemptions. The SEC’s guidance reflects how rapidly investor demand for private market exposure has expanded beyond institutional channels.
The change also highlights how asset managers are reshaping product structures to meet that demand. Over the last several years, interval funds, tender offer funds, and alternative ETFs have emerged as vehicles designed to bring private market strategies to a broader investor base. Allowing open-end funds to participate in co-investments continues that evolution. Simultaneously, the SEC preserved existing liquidity guardrails, including limits on illiquid investments. Maintaining that balance will become increasingly important as firms seek to combine private market exposure with the daily liquidity and transparency retail investors expect from traditional mutual funds.
The operational implications may prove just as significant as the investment opportunity itself. Managers will need more robust valuation practices, allocation frameworks, and conflict-management processes as investment opportunities are shared across affiliated vehicles serving different types of investors. The guidance underscores how the traditional distinctions between mutual funds, private funds, and alternative investment vehicles are becoming less defined. As private markets continue moving into more mainstream structures, the industry's focus may increasingly shift from expanding access to managing the complexity that comes with it.
The change also highlights how asset managers are reshaping product structures to meet that demand. Over the last several years, interval funds, tender offer funds, and alternative ETFs have emerged as vehicles designed to bring private market strategies to a broader investor base. Allowing open-end funds to participate in co-investments continues that evolution. Simultaneously, the SEC preserved existing liquidity guardrails, including limits on illiquid investments. Maintaining that balance will become increasingly important as firms seek to combine private market exposure with the daily liquidity and transparency retail investors expect from traditional mutual funds.
The operational implications may prove just as significant as the investment opportunity itself. Managers will need more robust valuation practices, allocation frameworks, and conflict-management processes as investment opportunities are shared across affiliated vehicles serving different types of investors. The guidance underscores how the traditional distinctions between mutual funds, private funds, and alternative investment vehicles are becoming less defined. As private markets continue moving into more mainstream structures, the industry's focus may increasingly shift from expanding access to managing the complexity that comes with it.