An investigation by the S.E.C. and several states found that the company had failed to notify investors of changes in the terms of some funds, leading to higher capital gains taxes.

Vanguard Group will pay $106.4 million to settle U.S. Securities and Exchange Commission charges alleging it failed to disclose important tax information about its popular target-date funds, resulting in hundreds of thousands of ordinary investors getting stuck with inflated tax bills.

Vanguard Group will pay more than $106 million to settle US Securities and Exchange Commission allegations that it made misleading statements about capital gains distributions and tax consequences to retail investors who held popular target-date retirement funds in taxable accounts.