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Mangrove Partners’s Rush Street Interactive RSI Stock Holding History

Mangrove Partners’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
2026
Q1 		$279K Buy
12,813
+363
+3% +$6.95K 0.02% 269
2025
Q4 		$242K Buy
+12,450
New +$230K 0.02% 249

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Marshall Wace
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HRCM
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AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Mangrove Partners's RSI Position: Q1 2026 in Review

Mangrove Partners increased its Rush Street Interactive (RSI) stake by 2.9% in Q1 2026, buying an estimated $6.95K and bringing the position to 12,813 shares worth $279K. The position accounts for 0.02% of the portfolio, ranked #269.

Mangrove Partners first reported a position in RSI in Q4 2025 and has held it in 2 quarters since. 267 funds tracked by Wall St. Rank hold RSI as of Q1 2026.

  • Mangrove Partners held 12,813 shares of Rush Street Interactive worth $279K as of Q1 2026.
  • Mangrove Partners bought 363 Rush Street Interactive shares in Q1 2026, an estimated $6.95K.
  • Rush Street Interactive made up 0.02% of Mangrove Partners's portfolio in Q1 2026, its #269 holding.
  • Mangrove Partners first reported a position in Rush Street Interactive in Q4 2025 and has held it in 2 quarters since.
  • 267 funds tracked by Wall St. Rank held Rush Street Interactive as of Q1 2026.

Based on Mangrove Partners's 13F filing for Q1 2026, filed 15 May 2026.