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AI Boom Splits Wall Street as Banks Soar, Private Equity Stumbles - Seoul Economic Daily

Reported by Sedaily
Jul 23, 2026· 3 min read
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Key Takeaways
  • • Private equity shares have declined more than 15% year-to-date and over 20% in the past year, with Blackstone down 20.32% and Apollo Global Management down 17.77%, according to Financial Times reporting cited in the Seoul Economic Daily.
  • • Major U.S. investment banks including Goldman Sachs, Morgan Stanley, JPMorgan Chase, and Citigroup have gained more than 18% over the past year, driven by elevated M&A and IPO activity tied to the AI boom.
  • • Blackstone's market capitalization has fallen to less than half that of Goldman Sachs and Morgan Stanley despite exceeding $1 trillion in assets under management, representing a dramatic reversal from its prior status as a blue-chip Wall Street stock.
  • • The divergence reflects structural market concentration: investment banks are capturing disproportionate benefits from AI-driven capital markets activity, while private equity firms face capital outflows and reduced access to high-potential AI investment opportunities.
  • • Private equity's governance restructuring in 2019—designed to attract index fund capital—has failed to offset headwinds from higher interest rates, tougher exit conditions, and the sector's inability to participate meaningfully in the current AI deal cycle.
Summary
The artificial intelligence-driven market boom has created a stark performance divergence between Wall Street's investment banking sector and the private equity industry, reversing a decade-long trend that positioned PE firms as structural market outperformers. According to the Seoul Economic Daily citing Financial Times reporting from July 22, major private equity firms have experienced significant share price deterioration, with Blackstone shares falling 20.32% year-to-date and Apollo Global Management declining 17.77% over the same period. Broader PE indices have declined more than 15% this year and over 20% in the past twelve months.

This underperformance stands in sharp contrast to investment banking giants. Goldman Sachs, Morgan Stanley, JPMorgan Chase, and Citigroup have each posted gains exceeding 18% over the past year, capitalizing on a surge in initial public offerings and M&A transactions fueled by enterprise AI adoption and infrastructure investments. The banks have positioned themselves as essential intermediaries in financing the AI infrastructure build-out, capturing substantial advisory and capital markets fees.

The reversal is particularly notable given private equity's recent institutional elevation. Only years prior, PE firms were considered blue-chip equities with superior growth trajectories relative to traditional banking models and structural resilience to market volatility. Blackstone exemplified this thesis, crossing $1 trillion in assets under management and surpassing Goldman Sachs and Morgan Stanley in market capitalization. The industry's 2019 governance overhaul was explicitly designed to attract index fund capital by improving institutional credibility.

Current conditions, however, have shifted fundamentally in favor of investment banks. The AI capital markets cycle is concentrating benefits among advisory and underwriting businesses rather than the buyout and private capital deployment models that PE firms depend upon. Simultaneously, private equity faces headwinds from capital outflows, constrained exit opportunities, and exclusion from access to promising AI companies that are instead accessing public markets directly or raising capital through investment bank-led transactions.

Blackstone's current market capitalization now represents less than half that of Goldman Sachs and Morgan Stanley—a dramatic erosion that reflects investor reassessment of PE business model durability in the current macro environment and capital markets structure.

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Sources

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Sedaily AI Boom Splits Wall Street as Banks Soar, Private Equity Stumbles - Seoul Economic Daily