Third Rock Ventures, the investment firm that has backed biotech startups for nearly two decades, has not only invested in groundbreaking drug companies, but it has generated the best returns on its investments, according to an analysis by STAT .

The analysis was part of STAT’s sixth annual “ Ranking Biotech’s Top Venture Capital Firms ” report. The report gives an unfettered view into biotech VC firms’ investing successes or shortcomings, sharing financial figures that are rarely seen by the public. The report, which hasn’t been replicated elsewhere, ranks 22 prominent biotech venture firms based on their returns.

Third Rock routinely tripled investors’ money. For every dollar that a pension fund or a university endowment gave Third Rock to invest, the VC firm made a median $3.58 —

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