Pimco, T. Rowe Among Firms Anticipating SEC Approval for Tax-Efficient Fund Structures Optimism is rising among asset managers as several major firms, including Pimco and T. Rowe Price, have updated their applications for funds combining ETF and mutual fund share classes. These moves signal constructive dialogue with the SEC, which could soon approve this innovative, tax-efficient fund structure, potentially reshaping the ETF landscape.1