The brokerage firm will buy TradePMR which custodies assets on behalf of financial advisors and has more than $40 billion in assets under advisement.

Retail trading platform Robinhood Markets will acquire portfolio management platform TradePMR in a cash-and-stock deal for about $300 million, the companies said on Tuesday. Robinhood has been pushing to grab market share from traditional brokerages such as Charles Schwab and Fidelity Investments in its effort to become to a full-fledged financial services provider.

The deal marks Robinhood’s move into wealth management. The firm says it wants to connect its investors with human advisors.