The lede: For a decade, Washington has tried and failed to force brokers to act as fiduciaries — not just "suitable" salespeople — on retirement-account advice. The Obama-era DOL rule died in court in 2018. The Biden-era "Retirement Security Rule" was vacated by a Texas federal judge in March 2026. But the fight isn't over: on March 31, 2026, DOL published a new proposed rule tightening fiduciary duty for retirement-plan investment menus (comment period closed June 1), and the department's own regulatory agenda flags a broader replacement advice rule as soon as this year. Every round of this fight follows the same mechanism: raise the legal standard on retirement-account recommendations, and commission-paid brokerage revenue gets squeezed toward fee-based advisory accounts, because a fiduciary standard makes product-driven, transaction-by-transaction compensation legally radioactive. The players positioned as pure fee-based fiduciary infrastructure win the reallocation. The wirehouses still running large commission-and-grid brokerage forces absorb the compliance cost and the revenue mix-shift.
Who cashes in:
- SCHW — Schwab Advisor Services custodies more than $5 trillion in independent RIA assets and serves as custodian for a majority of the RIA firms industry trackers follow. RIAs are fee-only fiduciaries by legal structure already. Every dollar that a broker's retirement client re-homes into an independent advisory relationship to dodge fiduciary-conflict scrutiny tends to land on a custody platform — and Schwab is the biggest one standing.
- GS — Goldman's wealth arm is built around fee-based advisory mandates and alternatives distribution to high-net-worth clients, not a mass commissioned-broker sales force, so it has less legacy transactional revenue at risk from a stricter standard.
- JPM — J.P. Morgan Advisors and its self-directed/robo advisory lines are already fee-based by design, giving it a natural landing spot for assets fleeing commission structures without rebuilding its revenue model.