Over the past 15 months, investment company BlackRock has more than doubled its ownership stake in digital gaming business Rush Street Interactive, the parent company of BetRivers.
An analysis by Legal Sports Report found that an amended ownership filing showed the asset management firm holding over 13.6 million shares as of 30 June, a 13.3% stake in Rush Street Interactive.
The increase comes as the stock price of Rush Street Interactive has risen by 177% in less than a year, closing at US$29.74 on 30 June compared to US$10.72 in March 2025.
Rush Street Interactive’s recent growth has coincided with improving financial results, including rising revenues and EBITDA growth.

