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	$408K	Hold	13,000	–	–	﹤0.01%	2374
2025 Q2	$464K	Sell	13,000 -62,600	-83%	-$2.17M	﹤0.01%	2277
2025 Q1	$2.79M	Buy	75,600 +44,900	+146%	+$1.62M	0.02%	1228
2024 Q4	$1.15M	Buy	+30,700	New	+$1.27M	0.01%	1708
2024 Q3	–	Sell	-24,500	Closed	-$959K	–	3036
2024 Q2	$959K	Buy	24,500 +19,100	+354%	+$747K	0.01%	1762
2024 Q1	$234K	Hold	5,400	–	–	﹤0.01%	3009
2023 Q4	$237K	Sell	5,400 -30,100	-85%	-$1.29M	﹤0.01%	2906
2023 Q3	$1.57M	Sell	35,500 -20,900	-37%	-$933K	0.01%	1544
2023 Q2	$2.34M	Sell	56,400 -142,000	-72%	-$5.64M	0.02%	1363
2023 Q1	$7.52M	Sell	198,400 -16,400	-8%	-$620K	0.05%	625
2022 Q4	$7.51M	Buy	214,800 +94,800	+79%	+$3.14M	0.04%	684
2022 Q3	$3.52M	Buy	120,000 +107,000	+823%	+$4M	0.02%	1419
2022 Q2	$510K	Buy	+13,000	New	+$557K	﹤0.01%	3045

Other funds holding CMCSA

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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.