Parallax Volatility Advisers’s Comcast CMCSA Stock Holding History

Parallax Volatility Advisers’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 Q4	–	Sell	-5,000	Closed	-$157K	–	1667
2025 Q3	$157K	Buy	+5,000	New	+$168K	﹤0.01%	1390
2025 Q2	–	Sell	-5,000	Closed	-$185K	–	1593
2025 Q1	$185K	Sell	5,000 -272,200	-98%	-$9.82M	﹤0.01%	1326
2024 Q4	$10.4M	Buy	277,200 +212,200	+326%	+$8.81M	0.02%	557
2024 Q3	$2.72M	Sell	65,000 -204,400	-76%	-$8.07M	﹤0.01%	1026
2024 Q2	$10.5M	Sell	269,400 -351,200	-57%	-$13.7M	0.02%	464
2024 Q1	$26.9M	Buy	620,600 +10,900	+2%	+$470K	0.06%	246
2023 Q4	$26.7M	Buy	609,700 +294,700	+94%	+$12.6M	0.05%	311
2023 Q3	$14M	Sell	315,000 -17,000	-5%	-$759K	0.03%	434
2023 Q2	$13.8M	Sell	332,000 -423,000	-56%	-$16.8M	0.03%	446
2023 Q1	$28.6M	Sell	755,000 -440,600	-37%	-$16.7M	0.06%	301
2022 Q4	$41.8M	Buy	1,195,600 +633,100	+113%	+$20.9M	0.06%	318
2022 Q3	$16.5M	Buy	562,500 +307,600	+121%	+$11.5M	0.03%	574
2022 Q2	$10M	Sell	254,900 -1,458,600	-85%	-$62.5M	0.01%	725
2022 Q1	$80.2M	Buy	+1,713,500	New	+$82.5M	0.04%	170
2020 Q4	–	Sell	-2,126,300	Closed	-$98.4M	–	2629
2020 Q3	$98.4M	Buy	2,126,300 +533,100	+33%	+$23.2M	0.07%	233
2020 Q2	$62.1M	Sell	1,593,200 -958,300	-38%	-$36.5M	0.07%	212
2020 Q1	$87.7M	Buy	2,551,500 +1,979,500	+346%	+$83.5M	0.11%	129
2019 Q4	$25.7M	Buy	572,000 +169,200	+42%	+$7.53M	0.03%	355
2019 Q3	$18.2M	Sell	402,800 -27,400	-6%	-$1.21M	0.02%	427
2019 Q2	$18.2M	Sell	430,200 -317,000	-42%	-$13.4M	0.02%	382
2019 Q1	$29.9M	Sell	747,200 -2,953,500	-80%	-$111M	0.03%	242
2018 Q4	$126M	Buy	3,700,700 +3,044,700	+464%	+$111M	0.17%	91
2018 Q3	$23.2M	Buy	656,000 +41,000	+7%	+$1.45M	0.03%	257
2018 Q2	$20.2M	Sell	615,000 -310,400	-34%	-$10.1M	0.03%	267
2018 Q1	$31.6M	Buy	925,400 +916,400	+10,182%	+$35.5M	0.04%	174
2017 Q4	$360K	Buy	+9,000	New	+$338K	﹤0.01%	1769
2017 Q3	–	Sell	-1,084,900	Closed	-$42.2M	–	2184
2017 Q2	$42.2M	Sell	1,084,900 -55,100	-5%	-$2.17M	0.08%	142
2017 Q1	$42.9M	Sell	1,140,000 -1,313,600	-54%	-$48.7M	0.09%	141
2016 Q4	$84.7M	Sell	2,453,600 -2,994,400	-55%	-$100M	0.17%	90
2016 Q3	$181M	Buy	5,448,000 +338,200	+7%	+$11.3M	0.33%	37
2016 Q2	$167M	Buy	5,109,800 +1,658,000	+48%	+$51.5M	0.33%	41
2016 Q1	$105M	Sell	3,451,800 -462,800	-12%	-$13.3M	0.23%	61
2015 Q4	$110M	Buy	3,914,600 +1,304,600	+50%	+$39.3M	0.22%	55
2015 Q3	$74.2M	Buy	2,610,000 +237,400	+10%	+$7.05M	0.17%	91
2015 Q2	$71.3M	Buy	2,372,600 +572,600	+32%	+$16.8M	0.15%	89
2015 Q1	$50.8M	Sell	1,800,000 -73,600	-4%	-$2.12M	0.12%	128
2014 Q4	$54.3M	Sell	1,873,600 -608,000	-25%	-$16.7M	0.16%	128
2014 Q3	$66.7M	Buy	2,481,600 +32,200	+1%	+$882K	0.21%	95
2014 Q2	$65.7M	Buy	2,449,400 +1,349,400	+123%	+$34.7M	0.27%	70
2014 Q1	$27.5M	Buy	1,100,000 +200,000	+22%	+$5.21M	0.16%	121
2013 Q4	$23.4M	Sell	900,000 -1,450,000	-62%	-$34.9M	0.11%	168
2013 Q3	$53M	Buy	2,350,000 +1,600,000	+213%	+$34.8M	0.28%	70
2013 Q2	$15.7M	Buy	+750,000	New	+$15.5M	0.07%	202

Other funds holding CMCSA

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

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

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Norges Bank Oslo, Norway $935B AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Parallax Volatility Advisers's CMCSA Position: Q4 2025 in Review

Parallax Volatility Advisers sold out of Comcast (CMCSA) in Q4 2025, closing a stake of 9,133 shares — an estimated $287K sold.

Parallax Volatility Advisers first reported a position in CMCSA in Q2 2013 and held it in 33 quarters. The position peaked at $46.5M in Q4 2022. 2,100 funds tracked by Wall St. Rank hold CMCSA as of Q4 2025.

Parallax Volatility Advisers reported no remaining Comcast position as of Q4 2025 after selling out during the quarter.
Parallax Volatility Advisers sold 9,133 Comcast shares in Q4 2025, an estimated $287K.
Parallax Volatility Advisers first reported a position in Comcast in Q2 2013 and held it in 33 quarters.
Parallax Volatility Advisers's Comcast position peaked at $46.5M in Q4 2022.
2,100 funds tracked by Wall St. Rank held Comcast as of Q4 2025.

Based on Parallax Volatility Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.