Mariner’s Comcast CMCSA Stock Holding History

Mariner’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
2018 Q2	–	Sell	-7,900	Closed	-$13K	–	798
2018 Q1	$13K	Buy	+7,900	New	+$306K	﹤0.01%	637

Other funds holding CMCSA

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Mariner's CMCSA Position: Q1 2026 in Review

Mariner increased its Comcast (CMCSA) stake by 0.67% in Q1 2026, buying an estimated $169K and bringing the position to 847,957 shares worth $24.3M. The position accounts for 0.03% of the portfolio, ranked #417.

Mariner first reported a position in CMCSA in Q2 2013 and has held it in 52 quarters since. The position peaked at $115M in Q1 2024. 2,042 funds tracked by Wall St. Rank hold CMCSA as of Q1 2026.

Mariner held 847,957 shares of Comcast worth $24.3M as of Q1 2026.
Mariner bought 5,662 Comcast shares in Q1 2026, an estimated $169K.
Comcast made up 0.03% of Mariner's portfolio in Q1 2026, its #417 holding.
Mariner first reported a position in Comcast in Q2 2013 and has held it in 52 quarters since.
Mariner's Comcast position peaked at $115M in Q1 2024.
2,042 funds tracked by Wall St. Rank held Comcast as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.