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Cubist Systematic Strategies’s Comcast CMCSA Stock Holding History

Cubist Systematic Strategies’s Portfolio CMCSA Stock Details CMCSA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$8.14M Sell
259,000
-31,900
-11% -$1.07M 0.04% 676
2025
Q2 		$10.4M Buy
290,900
+18,400
+7% +$636K 0.05% 578
2025
Q1 		$10.1M Buy
+272,500
New +$9.83M 0.06% 480
2024
Q3 		– Sell
-900
Closed -$35.2K – 3038
2024
Q2 		$35.2K Sell
900
-32,800
-97% -$1.28M ﹤0.01% 2738
2024
Q1 		$1.46M Sell
33,700
-46,300
-58% -$2M 0.01% 1876
2023
Q4 		$3.51M Buy
80,000
+33,700
+73% +$1.44M 0.02% 1088
2023
Q3 		$2.05M Sell
46,300
-67,600
-59% -$3.02M 0.02% 1352
2023
Q2 		$4.73M Sell
113,900
-234,400
-67% -$9.31M 0.03% 878
2023
Q1 		$13.2M Buy
348,300
+53,600
+18% +$2.03M 0.08% 321
2022
Q4 		$10.3M Buy
294,700
+147,700
+100% +$4.89M 0.06% 458
2022
Q3 		$4.31M Buy
147,000
+120,200
+449% +$4.49M 0.02% 1224
2022
Q2 		$1.05M Buy
+26,800
New +$1.15M 0.01% 2441

Other funds holding CMCSA

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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Eagle Capital Management (New York)
Eagle Capital Management (New York) New York $29.8B AUM 12.13% 1-Year Est. Return

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

Cubist Systematic Strategies reduced its Comcast (CMCSA) stake by 36% in Q3 2025, selling an estimated $15.7M and leaving 814,688 shares worth $25.6M. The position accounts for 0.12% of the portfolio, ranked #199.

Cubist Systematic Strategies first reported a position in CMCSA in Q2 2014 and has held it in 41 quarters since. The position peaked at $45.8M in Q2 2025. 2,153 funds tracked by Wall St. Rank hold CMCSA as of Q3 2025.

  • Cubist Systematic Strategies held 814,688 shares of Comcast worth $25.6M as of Q3 2025.
  • Cubist Systematic Strategies sold 467,868 Comcast shares in Q3 2025, an estimated $15.7M.
  • Comcast made up 0.12% of Cubist Systematic Strategies's portfolio in Q3 2025, its #199 holding.
  • Cubist Systematic Strategies first reported a position in Comcast in Q2 2014 and has held it in 41 quarters since.
  • Cubist Systematic Strategies's Comcast position peaked at $45.8M in Q2 2025.
  • 2,153 funds tracked by Wall St. Rank held Comcast as of Q3 2025.

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