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 | $22.7M | Sell |
791,100
-457,200
| -37% | -$13.7M | ﹤0.01% | 1666 |
|
|
2025
Q4 | $37.3M | Buy |
1,248,300
+629,200
| +102% | +$18M | 0.01% | 1107 |
|
|
2025
Q3 | $19.5M | Sell |
619,100
-311,000
| -33% | -$10.4M | ﹤0.01% | 1688 |
|
|
2025
Q2 | $33.2M | Sell |
930,100
-840,400
| -47% | -$29.1M | 0.01% | 1025 |
|
|
2025
Q1 | $65.3M | Sell |
1,770,500
-666,300
| -27% | -$24M | 0.02% | 529 |
|
|
2024
Q4 | $91.5M | Buy |
2,436,800
+470,200
| +24% | +$19.5M | 0.02% | 457 |
|
|
2024
Q3 | $82.1M | Buy |
1,966,600
+1,346,000
| +217% | +$53.1M | 0.02% | 458 |
|
|
2024
Q2 | $24.3M | Sell |
620,600
-314,100
| -34% | -$12.3M | 0.01% | 1159 |
|
|
2024
Q1 | $40.5M | Buy |
934,700
+270,900
| +41% | +$11.7M | 0.01% | 739 |
|
|
2023
Q4 | $29.1M | Buy |
663,800
+455,400
| +219% | +$19.5M | 0.01% | 986 |
|
|
2023
Q3 | $9.24M | Sell |
208,400
-311,000
| -60% | -$13.9M | ﹤0.01% | 1862 |
|
|
2023
Q2 | $21.6M | Sell |
519,400
-8,439,000
| -94% | -$335M | 0.01% | 1139 |
|
|
2023
Q1 | $340M | Buy |
8,958,400
+4,588,600
| +105% | +$173M | 0.14% | 77 |
|
|
2022
Q4 | $153M | Buy |
4,369,800
+450,900
| +12% | +$14.9M | 0.07% | 198 |
|
|
2022
Q3 | $115M | Buy |
3,918,900
+885,800
| +29% | +$33.1M | 0.05% | 241 |
|
|
2022
Q2 | $119M | Buy |
3,033,100
+487,800
| +19% | +$20.9M | 0.05% | 261 |
|
|
2022
Q1 | $119M | Buy |
2,545,300
+1,129,600
| +80% | +$54.4M | 0.04% | 322 |
|
|
2021
Q4 | $71.3M | Buy |
1,415,700
+812,500
| +135% | +$42.3M | 0.02% | 500 |
|
|
2021
Q3 | $33.7M | Sell |
603,200
-645,900
| -52% | -$37.7M | 0.01% | 778 |
|
|
2021
Q2 | $71.2M | Buy |
1,249,100
+747,400
| +149% | +$41.8M | 0.03% | 409 |
|
|
2021
Q1 | $27.1M | Sell |
501,700
-45,300
| -8% | -$2.39M | 0.01% | 761 |
|
|
2020
Q4 | $28.7M | Buy |
547,000
+5,100
| +0.9% | +$244K | 0.01% | 672 |
|
|
2020
Q3 | $25.1M | Buy |
541,900
+155,700
| +40% | +$6.77M | 0.02% | 654 |
|
|
2020
Q2 | $15.1M | Sell |
386,200
-103,500
| -21% | -$3.94M | 0.01% | 907 |
|
|
2020
Q1 | $16.8M | Buy |
489,700
+417,400
| +577% | +$17.6M | 0.02% | 524 |
|
|
2019
Q4 | $3.25M | Sell |
72,300
-33,500
| -32% | -$1.49M | ﹤0.01% | 1444 |
|
|
2019
Q3 | $4.77M | Buy |
105,800
+17,500
| +20% | +$775K | 0.01% | 1035 |
|
|
2019
Q2 | $3.73M | Sell |
88,300
-12,700
| -13% | -$536K | 0.01% | 1295 |
|
|
2019
Q1 | $4.04M | Sell |
101,000
-856,600
| -89% | -$32.2M | 0.01% | 1319 |
|
|
2018
Q4 | $32.6M | Sell |
957,600
-169,300
| -15% | -$6.18M | 0.07% | 198 |
|
|
2018
Q3 | $39.9M | Buy |
1,126,900
+971,400
| +625% | +$34.4M | 0.08% | 173 |
|
|
2018
Q2 | $5.1M | Sell |
155,500
-50,200
| -24% | -$1.64M | 0.01% | 1023 |
|
|
2018
Q1 | $7.03M | Sell |
205,700
-2,800
| -1% | -$109K | 0.02% | 739 |
|
|
2017
Q4 | $8.35M | Buy |
208,500
+181,300
| +667% | +$6.82M | 0.02% | 577 |
|
|
2017
Q3 | $1.05M | Buy |
+27,200
| New | +$1.07M | ﹤0.01% | 2258 |
|
|
2017
Q2 | – | Sell |
-55,100
| Closed | -$2.07M | – | 4377 |
|
|
2017
Q1 | $2.07M | Buy |
+55,100
| New | +$2.04M | 0.01% | 1345 |
|
|
2016
Q4 | – | Sell |
-34,000
| Closed | -$1.13M | – | 4061 |
|
|
2016
Q3 | $1.13M | Sell |
34,000
-70,200
| -67% | -$2.34M | 0.01% | 1809 |
|
|
2016
Q2 | $3.4M | Buy |
104,200
+36,000
| +53% | +$1.12M | 0.02% | 855 |
|
|
2016
Q1 | $2.08M | Buy |
+68,200
| New | +$1.96M | 0.01% | 1143 |
|
|
2015
Q4 | – | Sell |
-23,400
| Closed | -$665K | – | 4028 |
|
|
2015
Q3 | $665K | Sell |
23,400
-8,000
| -25% | -$238K | ﹤0.01% | 2012 |
|
|
2015
Q2 | $944K | Buy |
+31,400
| New | +$922K | 0.01% | 1612 |
|
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.