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 | $3.2M | Sell |
111,399
-1,291,324
| -92% | -$38.6M | ﹤0.01% | 4228 |
|
|
2025
Q4 | $41.9M | Sell |
1,402,723
-858,907
| -38% | -$24.5M | 0.01% | 1051 |
|
|
2025
Q3 | $71.1M | Buy |
2,261,630
+1,975,748
| +691% | +$66.2M | 0.01% | 760 |
|
|
2025
Q2 | $10.2M | Sell |
285,882
-557,586
| -66% | -$19.3M | ﹤0.01% | 2135 |
|
|
2025
Q1 | $31.1M | Sell |
843,468
-592,100
| -41% | -$21.4M | 0.01% | 965 |
|
|
2024
Q4 | $53.9M | Sell |
1,435,568
-332,331
| -19% | -$13.8M | 0.01% | 664 |
|
|
2024
Q3 | $73.8M | Buy |
1,767,899
+1,067,159
| +152% | +$42.1M | 0.02% | 508 |
|
|
2024
Q2 | $27.4M | Sell |
700,740
-472,670
| -40% | -$18.5M | 0.01% | 1050 |
|
|
2024
Q1 | $50.9M | Sell |
1,173,410
-953,488
| -45% | -$41.1M | 0.01% | 626 |
|
|
2023
Q4 | $93.3M | Sell |
2,126,898
-499,672
| -19% | -$21.4M | 0.02% | 409 |
|
|
2023
Q3 | $116M | Buy |
2,626,570
+1,198,311
| +84% | +$53.5M | 0.04% | 283 |
|
|
2023
Q2 | $59.3M | Sell |
1,428,259
-4,054,412
| -74% | -$161M | 0.02% | 527 |
|
|
2023
Q1 | $208M | Buy |
5,482,671
+3,232,826
| +144% | +$122M | 0.09% | 128 |
|
|
2022
Q4 | $78.7M | Sell |
2,249,845
-571,895
| -20% | -$18.9M | 0.04% | 364 |
|
|
2022
Q3 | $82.8M | Buy |
2,821,740
+1,027,131
| +57% | +$38.4M | 0.04% | 332 |
|
|
2022
Q2 | $70.4M | Buy |
1,794,609
+1,143,135
| +175% | +$49M | 0.03% | 413 |
|
|
2022
Q1 | $30.5M | Buy |
651,474
+257,162
| +65% | +$12.4M | 0.01% | 964 |
|
|
2021
Q4 | $19.8M | Sell |
394,312
-106,306
| -21% | -$5.54M | 0.01% | 1216 |
|
|
2021
Q3 | $28M | Sell |
500,618
-6,773
| -1% | -$395K | 0.01% | 903 |
|
|
2021
Q2 | $28.9M | Buy |
507,391
+255,154
| +101% | +$14.3M | 0.01% | 831 |
|
|
2021
Q1 | $13.6M | Sell |
252,237
-48,424
| -16% | -$2.56M | 0.01% | 1278 |
|
|
2020
Q4 | $15.8M | Sell |
300,661
-143,594
| -32% | -$6.88M | 0.01% | 1042 |
|
|
2020
Q3 | $20.6M | Sell |
444,255
-370,970
| -46% | -$16.1M | 0.01% | 765 |
|
|
2020
Q2 | $31.8M | Buy |
815,225
+538,195
| +194% | +$20.5M | 0.02% | 531 |
|
|
2020
Q1 | $9.52M | Buy |
277,030
+270,479
| +4,129% | +$11.4M | 0.01% | 798 |
|
|
2019
Q4 | $295K | Sell |
6,551
-80,797
| -93% | -$3.6M | ﹤0.01% | 4292 |
|
|
2019
Q3 | $3.94M | Buy |
87,348
+43,895
| +101% | +$1.94M | 0.01% | 1170 |
|
|
2019
Q2 | $1.84M | Sell |
43,453
-38,994
| -47% | -$1.64M | ﹤0.01% | 1978 |
|
|
2019
Q1 | $3.3M | Sell |
82,447
-415,721
| -83% | -$15.6M | 0.01% | 1493 |
|
|
2018
Q4 | $17M | Sell |
498,168
-1,572,486
| -76% | -$57.4M | 0.04% | 374 |
|
|
2018
Q3 | $73.3M | Buy |
2,070,654
+1,017,521
| +97% | +$36M | 0.14% | 89 |
|
|
2018
Q2 | $34.6M | Buy |
1,053,133
+957,425
| +1,000% | +$31.2M | 0.08% | 176 |
|
|
2018
Q1 | $3.27M | Sell |
95,708
-97,226
| -50% | -$3.77M | 0.01% | 1328 |
|
|
2017
Q4 | $7.73M | Buy |
192,934
+19,717
| +11% | +$741K | 0.02% | 620 |
|
|
2017
Q3 | $6.67M | Buy |
173,217
+9,616
| +6% | +$379K | 0.02% | 699 |
|
|
2017
Q2 | $6.37M | Buy |
163,601
+78,684
| +93% | +$3.1M | 0.02% | 643 |
|
|
2017
Q1 | $3.19M | Sell |
84,917
-223,535
| -72% | -$8.3M | 0.01% | 989 |
|
|
2016
Q4 | $10.6M | Buy |
308,452
+296,470
| +2,474% | +$9.9M | 0.05% | 329 |
|
|
2016
Q3 | $397K | Sell |
11,982
-116,510
| -91% | -$3.88M | ﹤0.01% | 3010 |
|
|
2016
Q2 | $4.19M | Buy |
128,492
+62,460
| +95% | +$1.94M | 0.02% | 726 |
|
|
2016
Q1 | $2.02M | Buy |
+66,032
| New | +$1.9M | 0.01% | 1178 |
|
|
2015
Q4 | – | Sell |
-4,072,722
| Closed | -$123M | – | 4027 |
|
|
2015
Q3 | $116M | Buy |
4,072,722
+3,571,374
| +712% | +$106M | 0.73% | 19 |
|
|
2015
Q2 | $15.1M | Buy |
501,348
+465,884
| +1,314% | +$13.7M | 0.1% | 152 |
|
|
2015
Q1 | $1M | Sell |
35,464
-33,776
| -49% | -$971K | 0.01% | 1368 |
|
|
2014
Q4 | $2.01M | Buy |
+69,240
| New | +$1.9M | 0.02% | 675 |
|
|
2014
Q2 | – | Sell |
-69,646
| Closed | -$1.74M | – | 2602 |
|
|
2014
Q1 | $1.74M | Buy |
+69,646
| New | +$1.81M | 0.02% | 623 |
|
|
2013
Q3 | – | Sell |
-336,336
| Closed | -$7.02M | – | 2748 |
|
|
2013
Q2 | $7.02M | Buy |
+336,336
| New | +$6.95M | 0.12% | 123 |
|
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.