Jane Street’s Comcast CMCSA Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $143M | Buy |
4,989,900
+862,500
| +21% | +$25.8M | 0.02% | 506 |
|
|
2025
Q4 | $123M | Buy |
4,127,400
+1,114,900
| +37% | +$31.8M | 0.02% | 493 |
|
|
2025
Q3 | $94.7M | Sell |
3,012,500
-680,400
| -18% | -$22.8M | 0.01% | 618 |
|
|
2025
Q2 | $132M | Buy |
3,692,900
+332,900
| +10% | +$11.5M | 0.03% | 380 |
|
|
2025
Q1 | $124M | Buy |
3,360,000
+614,600
| +22% | +$22.2M | 0.03% | 321 |
|
|
2024
Q4 | $103M | Sell |
2,745,400
-1,489,300
| -35% | -$61.8M | 0.02% | 419 |
|
|
2024
Q3 | $177M | Buy |
4,234,700
+3,258,600
| +334% | +$129M | 0.04% | 254 |
|
|
2024
Q2 | $38.2M | Sell |
976,100
-362,800
| -27% | -$14.2M | 0.01% | 850 |
|
|
2024
Q1 | $58M | Sell |
1,338,900
-1,667,400
| -55% | -$71.9M | 0.01% | 566 |
|
|
2023
Q4 | $132M | Buy |
3,006,300
+754,700
| +34% | +$32.3M | 0.03% | 318 |
|
|
2023
Q3 | $99.8M | Buy |
2,251,600
+1,705,400
| +312% | +$76.1M | 0.03% | 329 |
|
|
2023
Q2 | $22.7M | Sell |
546,200
-3,385,900
| -86% | -$134M | 0.01% | 1096 |
|
|
2023
Q1 | $149M | Buy |
3,932,100
+848,400
| +28% | +$32.1M | 0.06% | 196 |
|
|
2022
Q4 | $108M | Sell |
3,083,700
-214,000
| -6% | -$7.08M | 0.05% | 273 |
|
|
2022
Q3 | $96.7M | Buy |
3,297,700
+998,600
| +43% | +$37.3M | 0.04% | 281 |
|
|
2022
Q2 | $90.2M | Sell |
2,299,100
-1,248,100
| -35% | -$53.5M | 0.04% | 335 |
|
|
2022
Q1 | $166M | Buy |
3,547,200
+987,200
| +39% | +$47.5M | 0.05% | 227 |
|
|
2021
Q4 | $129M | Buy |
2,560,000
+664,100
| +35% | +$34.6M | 0.04% | 289 |
|
|
2021
Q3 | $106M | Sell |
1,895,900
-2,050,800
| -52% | -$120M | 0.04% | 324 |
|
|
2021
Q2 | $225M | Buy |
3,946,700
+1,427,700
| +57% | +$79.8M | 0.09% | 146 |
|
|
2021
Q1 | $136M | Buy |
2,519,000
+498,400
| +25% | +$26.3M | 0.07% | 198 |
|
|
2020
Q4 | $106M | Sell |
2,020,600
-707,600
| -26% | -$33.9M | 0.05% | 234 |
|
|
2020
Q3 | $126M | Buy |
2,728,200
+1,417,500
| +108% | +$61.6M | 0.08% | 172 |
|
|
2020
Q2 | $51.1M | Sell |
1,310,700
-299,800
| -19% | -$11.4M | 0.04% | 349 |
|
|
2020
Q1 | $55.4M | Buy |
1,610,500
+929,600
| +137% | +$39.2M | 0.05% | 231 |
|
|
2019
Q4 | $30.6M | Buy |
680,900
+93,200
| +16% | +$4.15M | 0.04% | 276 |
|
|
2019
Q3 | $26.5M | Buy |
587,700
+57,700
| +11% | +$2.56M | 0.04% | 286 |
|
|
2019
Q2 | $22.4M | Buy |
530,000
+112,100
| +27% | +$4.73M | 0.04% | 343 |
|
|
2019
Q1 | $16.7M | Buy |
417,900
+56,800
| +16% | +$2.14M | 0.03% | 463 |
|
|
2018
Q4 | $12.3M | Buy |
361,100
+131,700
| +57% | +$4.81M | 0.03% | 475 |
|
|
2018
Q3 | $8.12M | Buy |
229,400
+148,800
| +185% | +$5.27M | 0.02% | 738 |
|
|
2018
Q2 | $2.64M | Sell |
80,600
-134,500
| -63% | -$4.38M | 0.01% | 1623 |
|
|
2018
Q1 | $7.35M | Sell |
215,100
-128,400
| -37% | -$4.98M | 0.02% | 709 |
|
|
2017
Q4 | $13.8M | Buy |
343,500
+267,100
| +350% | +$10M | 0.04% | 400 |
|
|
2017
Q3 | $2.94M | Buy |
76,400
+49,500
| +184% | +$1.95M | 0.01% | 1268 |
|
|
2017
Q2 | $1.05M | Buy |
26,900
+19,800
| +279% | +$780K | ﹤0.01% | 2152 |
|
|
2017
Q1 | $267K | Sell |
7,100
-29,300
| -80% | -$1.09M | ﹤0.01% | 3573 |
|
|
2016
Q4 | $1.26M | Sell |
36,400
-2,200
| -6% | -$73.5K | 0.01% | 1798 |
|
|
2016
Q3 | $1.28M | Buy |
38,600
+16,200
| +72% | +$539K | 0.01% | 1652 |
|
|
2016
Q2 | $730K | Sell |
22,400
-173,000
| -89% | -$5.37M | ﹤0.01% | 2359 |
|
|
2016
Q1 | $5.97M | Buy |
195,400
+151,600
| +346% | +$4.35M | 0.03% | 483 |
|
|
2015
Q4 | $1.24M | Buy |
43,800
+14,600
| +50% | +$440K | 0.01% | 1532 |
|
|
2015
Q3 | $830K | Sell |
29,200
-421,400
| -94% | -$12.5M | 0.01% | 1792 |
|
|
2015
Q2 | $13.6M | Buy |
+450,600
| New | +$13.2M | 0.09% | 171 |
|
Other funds holding CMCSA
VCM
VPM
Jane Street's CMCSA Position: Q1 2026 in Review
Jane Street reduced its Comcast (CMCSA) stake by 92% in Q1 2026, selling an estimated $38.6M and leaving 111,399 shares worth $3.2M. The position accounts for ﹤0.01% of the portfolio, ranked #4228.
Jane Street first reported a position in CMCSA in Q2 2013 and has held it in 47 quarters since. The position peaked at $208M in Q1 2023. 2,043 funds tracked by Wall St. Rank hold CMCSA as of Q1 2026.
- Jane Street held 111,399 shares of Comcast worth $3.2M as of Q1 2026.
- Jane Street sold 1,291,324 Comcast shares in Q1 2026, an estimated $38.6M.
- Comcast made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4228 holding.
- Jane Street first reported a position in Comcast in Q2 2013 and has held it in 47 quarters since.
- Jane Street's Comcast position peaked at $208M in Q1 2023.
- 2,043 funds tracked by Wall St. Rank held Comcast as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.