Morgan Stanley runs three businesses that feed each other in ways competitors struggle to replicate. The first is Institutional Securities — $33.1 billion in FY2025 net revenue. This is the old Morgan Stanley: M&A advisory, equity and debt underwriting, sales and trading across equities and fixed income, and prime brokerage for hedge funds. It's cyclical, volatile, and relationship-driven. When CEOs feel confident, they do deals, and Morgan Stanley earns fees. When markets move, traders make money. When hedge funds need leverage, prime brokerage collects financing spreads. In a good year like 2021, this segment prints cash. In a bad year like 2022, investment banking fees can drop 40% and the whole firm feels it. The second is Wealth Management — $31.8 billion in FY2025 net revenue. This is the Gorman-era creation. Roughly 15,000 financial advisors serve high-net-worth individuals, families, and institutions. E*TRADE adds digital brokerage and workplace stock-plan administration for another 5.5 million accounts. Revenue comes from asset-based advisory fees (a percentage of what clients own), net interest income from margin lending and deposits, transactional commissions, and workplace services. The segment manages approximately $6.5 trillion in client assets. The economics are straightforward: markets go up, assets grow, fees grow. Markets go down, assets shrink, fees shrink — but nobody gets fired and the clients don't leave. The third is Investment Management — $6.5 billion in FY2025 net revenue. This is the product factory: Parametric builds tax-managed direct-indexing portfolios, Eaton Vance runs traditional active strategies, and Calvert handles ESG mandates. These products get distributed through the wealth channel, which means Morgan Stanley captures manufacturing margins on top of advisory fees. The loop matters more than any individual segment. A tech founder sells her company — Institutional Securities advises on the deal. Her employees have stock options administered through E*TRADE's workplace platform. As shares vest, some employees open brokerage accounts. A few graduate into full-service advisory relationships. The founder herself gets a dedicated wealth advisor, a lending facility against her portfolio, and access to private equity funds sourced through institutional relationships. One corporate event, five revenue streams. Q1 2026 showed the model at full power: $20.6 billion in revenue (up 16%), $5.6 billion in net income (up 29%), return on tangible equity of 27.1%, and $118 billion in net new assets flowing into the wealth platform in a single quarter.