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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
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

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
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
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Marathon Trading Investment Management's CMCSA Position: Q2 2025 in Review

Marathon Trading Investment Management sold out of Comcast (CMCSA) in Q2 2025, closing a stake of 6,369 shares — an estimated $235K sold.

Marathon Trading Investment Management first reported a position in CMCSA in Q3 2013 and held it in 19 quarters. The position peaked at $6.36M in Q1 2015. 2,294 funds tracked by Wall St. Rank hold CMCSA as of Q2 2025.

  • Marathon Trading Investment Management reported no remaining Comcast position as of Q2 2025 after selling out during the quarter.
  • Marathon Trading Investment Management sold 6,369 Comcast shares in Q2 2025, an estimated $235K.
  • Marathon Trading Investment Management first reported a position in Comcast in Q3 2013 and held it in 19 quarters.
  • Marathon Trading Investment Management's Comcast position peaked at $6.36M in Q1 2015.
  • 2,294 funds tracked by Wall St. Rank held Comcast as of Q2 2025.

Based on Marathon Trading Investment Management's 13F filing for Q2 2025, filed 7 Aug 2025.