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Cubist Systematic Strategies’s SiriusXM SIRI Stock Holding History

Cubist Systematic Strategies’s Portfolio SIRI Stock Details SIRI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-59,300
Closed -$1.34M – 3468
2025
Q1 		$1.34M Sell
59,300
-16,300
-22% -$384K 0.01% 1661
2024
Q4 		$1.72M Buy
+75,600
New +$1.93M 0.01% 1459

Other funds holding SIRI

Berkshire Hathaway
Berkshire Hathaway Omaha, Nebraska $263B AUM 16.68% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
KCMH
Kontiki Capital Management (HK) Hong Kong $1.43B AUM 9.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

Cubist Systematic Strategies's SIRI Position: Q3 2025 in Review

Cubist Systematic Strategies reduced its SiriusXM (SIRI) stake by 73% in Q3 2025, selling an estimated $17.9M and leaving 282,177 shares worth $6.57M. The position accounts for 0.03% of the portfolio, ranked #806.

Cubist Systematic Strategies first reported a position in SIRI in Q2 2014 and has held it in 39 quarters since. The position peaked at $24.3M in Q2 2025. 543 funds tracked by Wall St. Rank hold SIRI as of Q3 2025.

  • Cubist Systematic Strategies held 282,177 shares of SiriusXM worth $6.57M as of Q3 2025.
  • Cubist Systematic Strategies sold 773,874 SiriusXM shares in Q3 2025, an estimated $17.9M.
  • SiriusXM made up 0.03% of Cubist Systematic Strategies's portfolio in Q3 2025, its #806 holding.
  • Cubist Systematic Strategies first reported a position in SiriusXM in Q2 2014 and has held it in 39 quarters since.
  • Cubist Systematic Strategies's SiriusXM position peaked at $24.3M in Q2 2025.
  • 543 funds tracked by Wall St. Rank held SiriusXM as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.