Data aggregation is capturing the attention of venture capitalists, who are making multi-million-dollar investments in the technology. : Data aggregation companies are reaching nose-bleed level valuations. Six-year-old aggregation firm Plaid was recently valued at $2.65 billion after a $250 million Series C funding round, according to TechCrunch. It was valued at slightly north of $200 million in 2016, following a Series B funding round. The company helps link bank accounts with the crowded world of third-party applications like Robinhood, Acorns, Coinbase and PayPal's Venmo. To date, Plaid has raised $310 million.