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Marathon Trading Investment Management’s Comcast CMCSA Stock Holding History

Marathon Trading Investment Management’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 		$292K Buy
+11,900
New +$307K 0.01% 169
2025
Q2 		– Sell
-6,369
Closed -$235K – 295
2025
Q1 		$235K Buy
+6,369
New +$230K 0.03% 219
2023
Q2 		– Sell
-8,512
Closed -$323K – 275
2023
Q1 		$323K Sell
8,512
-2,788
-25% -$105K 0.02% 153
2022
Q4 		$395K Hold
11,300
– – 0.05% 145
2022
Q3 		$331K Sell
11,300
-3,900
-26% -$146K 0.03% 182
2022
Q2 		$596K Buy
+15,200
New +$652K 0.07% 149
2022
Q1 		– Sell
-4,200
Closed -$211K – 327
2021
Q4 		$211K Hold
4,200
– – 0.02% 224
2021
Q3 		$235K Buy
+4,200
New +$245K 0.02% 296
2021
Q1 		– Sell
-4,200
Closed -$220K – 412
2020
Q4 		$220K Buy
+4,200
New +$201K 0.01% 316
2020
Q2 		– Sell
-8,300
Closed -$285K – 181
2020
Q1 		$285K Buy
+8,300
New +$350K 0.05% 115
2018
Q4 		– Sell
-10,526
Closed -$373K – 237
2018
Q3 		$373K Sell
10,526
-27,273
-72% -$965K 0.03% 167
2018
Q2 		$1.24M Buy
37,799
+16,199
+75% +$528K 0.13% 87
2018
Q1 		$738K Buy
+21,600
New +$838K 0.06% 102
2015
Q2 		– Sell
-225,236
Closed -$6.61M – 460
2015
Q1 		$6.36M Buy
225,236
+196,636
+688% +$5.65M 0.33% 53
2014
Q4 		$830K Sell
28,600
-46,400
-62% -$1.27M 0.01% 351
2014
Q3 		$2.02M Sell
75,000
-10,000
-12% -$274K 0.06% 123
2014
Q2 		$2.28M Buy
85,000
+63,000
+286% +$1.62M 0.08% 105
2014
Q1 		$550K Sell
22,000
-92,800
-81% -$2.42M 0.02% 157
2013
Q4 		$2.98M Buy
114,800
+94,800
+474% +$2.28M 0.1% 62
2013
Q3 		$452K Buy
+20,000
New +$435K 0.02% 113

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

Marathon Trading Investment Management's CMCSA Position: Q2 2026 in Review

Marathon Trading Investment Management opened a new position in Comcast (CMCSA) in Q2 2026: 11,900 shares worth $292K. The stake represents 0.01% of the portfolio and ranks #169 among its holdings. This is a return to the name: Marathon Trading Investment Management previously reported a position in CMCSA as recently as Q1 2025.

Marathon Trading Investment Management first reported a position in CMCSA in Q3 2013 and has held it in 20 quarters since. The position peaked at $6.36M in Q1 2015. 1,895 funds tracked by Wall St. Rank hold CMCSA as of Q2 2026.

  • Marathon Trading Investment Management held 11,900 shares of Comcast worth $292K as of Q2 2026.
  • Comcast was a new Marathon Trading Investment Management position in Q2 2026.
  • Comcast made up 0.01% of Marathon Trading Investment Management's portfolio in Q2 2026, its #169 holding.
  • Marathon Trading Investment Management first reported a position in Comcast in Q3 2013 and has held it in 20 quarters since.
  • Marathon Trading Investment Management's Comcast position peaked at $6.36M in Q1 2015.
  • 1,895 funds tracked by Wall St. Rank held Comcast as of Q2 2026.

Based on Marathon Trading Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.