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
Q2 		– Sell
-1,047,065
Closed -$30.1M – 849
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 $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Holocene Advisors's CMCSA Position: Q2 2026 in Review

Holocene Advisors sold out of Comcast (CMCSA) in Q2 2026, closing a stake of 1,047,065 shares — an estimated $30.1M sold.

Holocene Advisors first reported a position in CMCSA in Q4 2017 and held it in 17 quarters. The position peaked at $197M in Q4 2025. 1,898 funds tracked by Wall St. Rank hold CMCSA as of Q2 2026.

  • Holocene Advisors reported no remaining Comcast position as of Q2 2026 after selling out during the quarter.
  • Holocene Advisors sold 1,047,065 Comcast shares in Q2 2026, an estimated $30.1M.
  • Holocene Advisors first reported a position in Comcast in Q4 2017 and held it in 17 quarters.
  • Holocene Advisors's Comcast position peaked at $197M in Q4 2025.
  • 1,898 funds tracked by Wall St. Rank held Comcast as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.