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Buyout barons’ forever funds have mortal flaws

Reported by Breakingviews
Sep 23, 2026· 2 min read
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Key Takeaways
  • • $4 trillion in buyout assets remain stuck in portfolio companies with limited exit pathways, creating structural challenges for large private equity funds seeking to deploy capital and return profits to investors.
  • • Major PE firms including Carlyle, Blackstone, Apollo, KKR, and Brookfield face a delayed resurgence in deal activity as they navigate a transition from post-pandemic valuations to a higher interest rate environment that constrains refinancing and exit opportunities.
  • • Rising valuation multiples—rather than operational improvements—have historically driven PE returns, leaving buyout barons vulnerable now that market conditions no longer support multiple expansion and asset valuations face pressure.
  • • "Forever funds" with extended holding periods risk becoming zombie vehicles, as prolonged asset illiquidity and elevated carry-over backlogs threaten fundraising momentum and force managers into extended asset retention cycles.
  • • Asset-backed credit has emerged as a preferred alternative for PE practitioners, signaling a strategic pivot toward credit investments as traditional buyout execution faces headwinds from stuck assets and tighter financing conditions.
Summary
The private equity industry confronts a structural inflection point as traditional buyout models encounter persistent challenges in deploying capital and exiting investments. According to Reuters Breakingviews, approximately $4 trillion in buyout assets remain trapped within portfolio companies with limited pathways to liquidity, forcing major practitioners including Carlyle, Blackstone, Apollo, KKR, and Brookfield to confront the reality of extended holding periods. This illiquidity backdrop emerged from the post-pandemic boom followed by a subsequent liquidity crunch that left industry participants overextended, with one source noting a $650 billion backlog of stressed or underperforming assets.

The fundamental challenge reflects a dependence on rising valuation multiples to generate returns rather than underlying operational improvements. As interest rates stabilized at elevated levels, the multiple expansion that characterized the preceding cycle reversed, eliminating a critical return driver. Larger buyout funds possess structural advantages over smaller competitors—benefit from economies of scale, broader capital sources, and diversified portfolios—but even tier-one managers face pressure to navigate an environment where traditional refinancing and exit strategies have become substantially constrained.

Private equity practitioners gathered in Berlin signaled grim acceptance of a "new normal" characterized by slower deal activity, protracted fundraising cycles, and the risk that some managers evolve into zombie vehicles unable to deploy capital effectively or generate returns commensurate with investor expectations. Asset-backed credit has gained traction as a preferred investment vehicle, reflecting the sector's strategic reorientation away from traditional leveraged buyouts toward alternative structures less dependent on multiple expansion.

The longer-term implications are material: managers holding extended positions in underperforming assets face mounting pressure from limited partners demanding capital returns and fresh deployment opportunities. Without a significant uptick in exit activity or favorable refinancing conditions, the industry risks a sustained period of constrained returns and potential mark-to-market deterioration across legacy portfolios.

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Sources

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Breakingviews Buyout barons’ forever funds have mortal flaws