Round Rock Advisors’s Comcast CMCSA Stock Holding History

Round Rock Advisors’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
2026 Q1	$559K	Sell	19,469 -74	-0.4%	-$2.21K	0.09%	181
2025 Q4	$584K	Sell	19,543 -11,511	-37%	-$328K	0.09%	178
2025 Q3	$976K	Sell	31,054 -8,600	-22%	-$288K	0.15%	93
2025 Q2	$1.42M	Sell	39,654 -70	-0.2%	-$2.42K	0.24%	67
2025 Q1	$1.47M	Sell	39,724 -151	-0.4%	-$5.45K	0.27%	61
2024 Q4	$1.5M	Sell	39,875 -7,467	-16%	-$310K	0.31%	54
2024 Q3	$1.98M	Sell	47,342 -813	-2%	-$32.1K	0.46%	40
2024 Q2	$1.89M	Buy	48,155 +2,362	+5%	+$92.4K	0.46%	43
2024 Q1	$1.99M	Buy	45,793 +1,924	+4%	+$83K	0.48%	44
2023 Q4	$1.92M	Buy	+43,869	New	+$1.88M	0.48%	44
2021 Q4	–	Sell	-3,704	Closed	-$207K	–	121
2021 Q3	$207K	Hold	3,704	–	–	0.15%	60
2021 Q2	$211K	Sell	3,704 -946	-20%	-$52.9K	0.15%	66
2021 Q1	$252K	Buy	4,650 +5	+0.1%	+$264	0.2%	56
2020 Q4	$243K	Buy	+4,645	New	+$223K	0.22%	45

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

Round Rock Advisors's CMCSA Position: Q1 2026 in Review

Round Rock Advisors reduced its Comcast (CMCSA) stake by 0.38% in Q1 2026, selling an estimated $2.21K and leaving 19,469 shares worth $559K. The position accounts for 0.09% of the portfolio, ranked #181.

Round Rock Advisors first reported a position in CMCSA in Q4 2020 and has held it in 14 quarters since. The position peaked at $1.99M in Q1 2024. 2,045 funds tracked by Wall St. Rank hold CMCSA as of Q1 2026.

Round Rock Advisors held 19,469 shares of Comcast worth $559K as of Q1 2026.
Round Rock Advisors sold 74 Comcast shares in Q1 2026, an estimated $2.21K.
Comcast made up 0.09% of Round Rock Advisors's portfolio in Q1 2026, its #181 holding.
Round Rock Advisors first reported a position in Comcast in Q4 2020 and has held it in 14 quarters since.
Round Rock Advisors's Comcast position peaked at $1.99M in Q1 2024.
2,045 funds tracked by Wall St. Rank held Comcast as of Q1 2026.

Based on Round Rock Advisors's 13F filing for Q1 2026, filed 15 May 2026.