The company’s sweeping expense ratio cuts for dozens of funds may pressure other asset managers to lower their costs too.

Vanguard is already a dominant player in equity investing, thanks to its enormous index-tracking funds and relatively low-cost active funds. It runs the world’s largest investment fund, a $1.78tn behemoth that tracks the entire US market, and its S&P 500 ETF is the world’s second-largest and closing in on the market leader.

Vanguard has cut the expense ratios of 168 mutual fund and exchange-traded share classes across 87 funds, effectively immediately, which will save Vanguard’s investors more than $350 million in 2025 alone, said a Feb. 3 news release.

Salim Ramji is betting the path to Vanguard Group customers’ hearts is still through their wallets. In the first major initiative in Ramji’s six-month run as chief executive, Vanguard on Monday slashed the fees on nearly half of its U.