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Castleark Management’s Rush Street Interactive RSI Stock Holding History

Castleark Management’s Portfolio RSI Stock Details RSI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-281,986
Closed -$5.78M – 332
2025
Q3 		$5.78M Buy
281,986
+152,036
+117% +$2.87M 0.16% 137
2025
Q2 		$1.94M Sell
129,950
-50,110
-28% -$622K 0.06% 186
2025
Q1 		$1.93M Buy
+180,060
New +$2.37M 0.07% 184

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AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
DSCM
Divisadero Street Capital Management Miami, Florida $2.39B AUM 134.55% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Castleark Management's RSI Position: Q4 2025 in Review

Castleark Management sold out of Rush Street Interactive (RSI) in Q4 2025, closing a stake of 281,986 shares — an estimated $5.78M sold.

Castleark Management first reported a position in RSI in Q1 2025 and held it in 3 quarters. The position peaked at $5.78M in Q3 2025. 240 funds tracked by Wall St. Rank hold RSI as of Q4 2025.

  • Castleark Management reported no remaining Rush Street Interactive position as of Q4 2025 after selling out during the quarter.
  • Castleark Management sold 281,986 Rush Street Interactive shares in Q4 2025, an estimated $5.78M.
  • Castleark Management first reported a position in Rush Street Interactive in Q1 2025 and held it in 3 quarters.
  • Castleark Management's Rush Street Interactive position peaked at $5.78M in Q3 2025.
  • 240 funds tracked by Wall St. Rank held Rush Street Interactive as of Q4 2025.

Based on Castleark Management's 13F filing for Q4 2025, filed 13 Feb 2026.