BlackRock Boosts Rush Street Interactive Stake to 13.3% After Share Price Triples and Revenue Hits $1 Billion

Key Takeaways

• Stake Now at 13.3%: BlackRock owns 13,626,143 shares worth $3,698,000 after adding the full amount in the last quarter.
• Position Reversal: The firm moved from less than 6% ownership in early 2025 after a period of cutting holdings.
• Share Price Surge: RSI stock rose nearly 3 times from just over $10 in early 2025 to almost $30 by end of June 2026.
• Revenue Milestone: The operator reached $1 billion in 2025 with strong adjusted EBITDA growth from operational efficiency.

“Global asset management behemoth BlackRock has ramped up its stake in online gaming operator Rush Street Interactive (RSI), in a move which shows a rising conviction in the company’s recent results and future prospects.” That is the framing GamblingNews used for BlackRock’s latest SEC filing.

The numbers back it. BlackRock now holds 13,626,143 shares valued at $3,698,000. The purchase represents the entire current position after a prior reduction. RSI’s market value has climbed in tandem. Its share price moved from just over $10 in early 2025 to almost $30 at the end of June 2026.

This is not random capital rotation. The timing tracks RSI’s deliberate operational choices. The company behind BetRivers prioritized online casino over sports betting user acquisition wars. Marketing expenses stayed controlled. Profitability followed.

BlackRock’s Purchase Reflects RSI’s Shift From Modest 2023 Profits

RSI posted modest profits in 2023. Revenue then exceeded expectations in each subsequent year. The operator crossed $1 billion in revenue in 2025. Adjusted EBITDA expanded on improved margins and efficiency gains.

Momentum continued into 2026. First quarter results delivered record revenue from regulated market growth and higher user engagement. These figures turned heads. Institutional investors take notice when consistent delivery replaces sporadic spikes.

From the supplier side this pattern is familiar. Platforms that integrate cleanly with operators focused on retention rather than blitz-scale customer acquisition tend to compound better over time. RSI appears to have executed that approach.

The BlackRock filing shows it now owns 13,626,143 shares after buying an additional 13,626,143 shares during the last quarter, increasing its stake to 13.3%. The prior cut in holdings makes the reversal more noticeable. Conviction apparently strengthened as financials improved.

How RSI’s Casino Focus Created Distance From Sports Betting Spend Wars

Many competitors poured capital into sports betting customer acquisition. RSI took a measured route. Online casino operations received priority. Marketing budgets stayed disciplined. The result shows in the profit trajectory.

Revenue growth stayed ahead of projections. The $1 billion mark in 2025 arrived with expanding EBITDA. Share price response followed. The nearly threefold increase from early 2025 levels reflects improved investor sentiment on sustainable performance.

This stands in contrast to models built on heavy promotional outlays. RSI’s approach produced visible profitability gains. BlackRock’s stake increase to 13.3% reads as validation of that discipline. The SEC filing captures the precise share count and dollar value.

Trading volumes rose sharply before RSI joined the S&P SmallCap 600 index. Inclusion brought added institutional visibility. BlackRock’s move fits the broader rise in attention.

The S&P SmallCap 600 Index Addition Amplified RSI’s Profile

RSI’s addition to the S&P SmallCap 600 index increased its exposure. Trading activity spiked in advance. The index effect draws passive flows and analyst coverage. RSI became more visible at the exact moment its financial metrics turned stronger.

The operator’s presence in regulated markets expanded. User engagement metrics improved. First quarter 2026 revenue set records. These data points compound. They turn a quiet stock into one large investors examine more closely.

BlackRock’s purchase of 13,626,143 shares occurred against this backdrop. The position now stands at 13.3%. The value at $3,698,000 reflects the higher share price near $30. Earlier holdings below 6% in 2025 make the scale of the shift clear.

Yet coverage of the filing stops short on one point. The sources emphasize the stake size and revenue figures but underplay how RSI’s deliberate avoidance of sports betting acquisition arms races created the margin stability that apparently drew BlackRock back in. That operational choice is the connective tissue between the 2023 modest profits and the 2025 $1 billion revenue print.

Where Execution Risk Remains Visible

The reversal itself flags earlier hesitation. BlackRock cut holdings before reloading at 13.3%. That sequence highlights sector volatility even for names showing revenue beats. Regulatory shifts across states or margin compression in casino verticals could test the current trajectory.

RSI has not publicly commented on the ownership change. The filing stands on its own. Improved financials and index inclusion provide the stated tailwinds. Still the prior reduction reminds operators that institutional conviction can pause when metrics waver.

Sports betting competition remains intense. RSI’s casino emphasis delivered results so far. Sustaining the margin gains while expanding regulated market share will determine whether this 13.3% stake becomes the start of further institutional inflows or a tactical position.

The Capital Allocation Signal

BlackRock’s move to 13.3% ownership puts hard numbers behind the value of controlled growth. RSI’s path from modest 2023 profits to $1 billion revenue in 2025 and a tripling share price shows what disciplined execution looks like. Operators watching institutional flows should track which metrics shift conviction. The data table is public. The next quarters will show whether this stake size marks a trend or a single data point. Those building in the space can study the sequence directly.

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Reporting: BlackRock Increases Stake in Rush Street Interactive to 13.3% (www.gamblingnews.com)