Holocene Advisors
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Holocene Advisors’s Comcast CMCSA Stock Holding History

Holocene 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 		$30.1M Sell
1,047,065
-5,534,783
-84% -$166M 0.07% 234
2025
Q4 		$197M Buy
+6,581,848
New +$188M 0.41% 64
2025
Q2 		– Sell
-3,167,411
Closed -$117M – 770
2025
Q1 		$117M Buy
+3,167,411
New +$114M 0.34% 87
2024
Q1 		– Sell
-227,365
Closed -$9.97M – 737
2023
Q4 		$9.97M Sell
227,365
-54,768
-19% -$2.35M 0.04% 252
2023
Q3 		$12.5M Buy
+282,133
New +$12.6M 0.05% 243
2023
Q1 		– Sell
-807,394
Closed -$28.2M – 735
2022
Q4 		$28.2M Buy
807,394
+660,793
+451% +$21.9M 0.17% 153
2022
Q3 		$4.3M Sell
146,601
-980,630
-87% -$36.7M 0.03% 282
2022
Q2 		$44.2M Buy
1,127,231
+951,925
+543% +$40.8M 0.27% 118
2022
Q1 		$8.21M Buy
+175,306
New +$8.44M 0.04% 231
2021
Q4 		– Sell
-58,967
Closed -$3.3M – 873
2021
Q3 		$3.3M Buy
58,967
+51,139
+653% +$2.98M 0.02% 426
2021
Q2 		$446K Sell
7,828
-1,947,801
-100% -$109M ﹤0.01% 754
2021
Q1 		$106M Sell
1,955,629
-845,805
-30% -$44.7M 0.66% 38
2020
Q4 		$147M Buy
+2,801,434
New +$134M 0.93% 14
2020
Q2 		– Sell
-29,715
Closed -$1.02M – 633
2020
Q1 		$1.02M Buy
+29,715
New +$1.25M 0.01% 426
2019
Q3 		– Sell
-1,339,055
Closed -$56.6M – 728
2019
Q2 		$56.6M Buy
1,339,055
+365,929
+38% +$15.4M 0.72% 50
2019
Q1 		$38.9M Buy
+973,126
New +$36.6M 0.6% 56
2018
Q1 		– Sell
-546,955
Closed -$21.9M – 568
2017
Q4 		$21.9M Buy
+546,955
New +$20.6M 0.56% 59

Other funds holding CMCSA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
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
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Holocene Advisors's CMCSA Position: Q1 2026 in Review

Holocene Advisors reduced its Comcast (CMCSA) stake by 84% in Q1 2026, selling an estimated $166M and leaving 1,047,065 shares worth $30.1M. The position accounts for 0.07% of the portfolio, ranked #234.

Holocene Advisors first reported a position in CMCSA in Q4 2017 and has held it in 17 quarters since. The position peaked at $197M in Q4 2025. 2,046 funds tracked by Wall St. Rank hold CMCSA as of Q1 2026.

  • Holocene Advisors held 1,047,065 shares of Comcast worth $30.1M as of Q1 2026.
  • Holocene Advisors sold 5,534,783 Comcast shares in Q1 2026, an estimated $166M.
  • Comcast made up 0.07% of Holocene Advisors's portfolio in Q1 2026, its #234 holding.
  • Holocene Advisors first reported a position in Comcast in Q4 2017 and has held it in 17 quarters since.
  • Holocene Advisors's Comcast position peaked at $197M in Q4 2025.
  • 2,046 funds tracked by Wall St. Rank held Comcast as of Q1 2026.

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