William Blair & Company’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 | $3.82M | Sell |
133,103
-16,726
| -11% | -$501K | 0.01% | 566 |
|
|
2025
Q4 | $4.48M | Sell |
149,829
-55,374
| -27% | -$1.58M | 0.01% | 547 |
|
|
2025
Q3 | $6.45M | Sell |
205,203
-32,714
| -14% | -$1.1M | 0.02% | 459 |
|
|
2025
Q2 | $8.49M | Sell |
237,917
-26,536
| -10% | -$918K | 0.02% | 380 |
|
|
2025
Q1 | $9.76M | Sell |
264,453
-85,530
| -24% | -$3.09M | 0.03% | 332 |
|
|
2024
Q4 | $13.1M | Sell |
349,983
-22,595
| -6% | -$938K | 0.04% | 302 |
|
|
2024
Q3 | $15.6M | Sell |
372,578
-5,597
| -1% | -$221K | 0.05% | 273 |
|
|
2024
Q2 | $14.8M | Buy |
378,175
+251,008
| +197% | +$9.82M | 0.05% | 263 |
|
|
2024
Q1 | $5.51M | Sell |
127,167
-541
| -0.4% | -$23.3K | 0.02% | 459 |
|
|
2023
Q4 | $5.6M | Sell |
127,708
-1,537
| -1% | -$65.9K | 0.02% | 434 |
|
|
2023
Q3 | $5.73M | Sell |
129,245
-86,106
| -40% | -$3.84M | 0.02% | 407 |
|
|
2023
Q2 | $8.95M | Buy |
215,351
+8,846
| +4% | +$351K | 0.03% | 331 |
|
|
2023
Q1 | $7.83M | Buy |
206,505
+13,875
| +7% | +$525K | 0.03% | 352 |
|
|
2022
Q4 | $6.74M | Sell |
192,630
-36,883
| -16% | -$1.22M | 0.03% | 368 |
|
|
2022
Q3 | $6.73M | Sell |
229,513
-18,952
| -8% | -$709K | 0.03% | 357 |
|
|
2022
Q2 | $9.75M | Sell |
248,465
-58,913
| -19% | -$2.53M | 0.04% | 300 |
|
|
2022
Q1 | $14.4M | Sell |
307,378
-218,661
| -42% | -$10.5M | 0.05% | 272 |
|
|
2021
Q4 | $26.5M | Buy |
526,039
+20,548
| +4% | +$1.07M | 0.08% | 210 |
|
|
2021
Q3 | $28.3M | Buy |
505,491
+197
| +0% | +$11.5K | 0.1% | 185 |
|
|
2021
Q2 | $28.8M | Sell |
505,294
-10,997
| -2% | -$615K | 0.1% | 183 |
|
|
2021
Q1 | $27.9M | Sell |
516,291
-19,182
| -4% | -$1.01M | 0.11% | 176 |
|
|
2020
Q4 | $28.1M | Buy |
535,473
+10,933
| +2% | +$524K | 0.1% | 174 |
|
|
2020
Q3 | $24.3M | Buy |
524,540
+72,560
| +16% | +$3.15M | 0.1% | 173 |
|
|
2020
Q2 | $17.6M | Sell |
451,980
-82,218
| -15% | -$3.13M | 0.08% | 197 |
|
|
2020
Q1 | $18.4M | Buy |
534,198
+15,146
| +3% | +$639K | 0.11% | 165 |
|
|
2019
Q4 | $23.3M | Buy |
519,052
+20,472
| +4% | +$911K | 0.12% | 176 |
|
|
2019
Q3 | $22.5M | Buy |
498,580
+14,451
| +3% | +$640K | 0.13% | 162 |
|
|
2019
Q2 | $20.5M | Buy |
484,129
+51,715
| +12% | +$2.18M | 0.12% | 172 |
|
|
2019
Q1 | $17.3M | Buy |
432,414
+6,271
| +1% | +$236K | 0.11% | 184 |
|
|
2018
Q4 | $14.5M | Sell |
426,143
-27,622
| -6% | -$1.01M | 0.11% | 185 |
|
|
2018
Q3 | $16.1M | Sell |
453,765
-12,253
| -3% | -$434K | 0.1% | 195 |
|
|
2018
Q2 | $15.3M | Sell |
466,018
-3,039
| -0.6% | -$99K | 0.1% | 189 |
|
|
2018
Q1 | $16M | Buy |
469,057
+11,357
| +2% | +$441K | 0.11% | 176 |
|
|
2017
Q4 | $18.3M | Sell |
457,700
-182,829
| -29% | -$6.87M | 0.12% | 175 |
|
|
2017
Q3 | $24.6M | Sell |
640,529
-61,055
| -9% | -$2.41M | 0.18% | 132 |
|
|
2017
Q2 | $27.3M | Buy |
701,584
+25,540
| +4% | +$1.01M | 0.21% | 121 |
|
|
2017
Q1 | $25.3M | Buy |
676,044
+88,588
| +15% | +$3.29M | 0.2% | 125 |
|
|
2016
Q4 | $20.3M | Buy |
587,456
+24,404
| +4% | +$815K | 0.18% | 139 |
|
|
2016
Q3 | $18.7M | Buy |
563,052
+191,276
| +51% | +$6.37M | 0.17% | 157 |
|
|
2016
Q2 | $12.1M | Buy |
371,776
+30,910
| +9% | +$960K | 0.11% | 189 |
|
|
2016
Q1 | $10.4M | Buy |
340,866
+33,032
| +11% | +$948K | 0.1% | 192 |
|
|
2015
Q4 | $8.69M | Sell |
307,834
-70,952
| -19% | -$2.14M | 0.08% | 221 |
|
|
2015
Q3 | $10.8M | Sell |
378,786
-101,124
| -21% | -$3M | 0.09% | 212 |
|
|
2015
Q2 | $14.4M | Buy |
479,910
+227,030
| +90% | +$6.67M | 0.02% | 766 |
|
|
2015
Q1 | $7.14M | Sell |
252,880
-3,634
| -1% | -$104K | 0.01% | 938 |
|
|
2014
Q4 | $7.44M | Buy |
256,514
+1,306
| +0.5% | +$35.8K | 0.01% | 934 |
|
|
2014
Q3 | $6.86M | Sell |
255,208
-696
| -0.3% | -$19.1K | 0.01% | 949 |
|
|
2014
Q2 | $6.87M | Buy |
255,904
+4,326
| +2% | +$111K | 0.01% | 934 |
|
|
2014
Q1 | $6.29M | Buy |
251,578
+474
| +0.2% | +$12.3K | 0.01% | 924 |
|
|
2013
Q4 | $6.52M | Buy |
251,104
+1,718
| +0.7% | +$41.4K | 0.01% | 881 |
|
|
2013
Q3 | $5.63M | Sell |
249,386
-1,384
| -0.6% | -$30.1K | 0.01% | 871 |
|
|
2013
Q2 | $5.24M | Buy |
+250,770
| New | +$5.18M | 0.01% | 867 |
|
Other funds holding CMCSA
VCM
VPM
William Blair & Company's CMCSA Position: Q1 2026 in Review
William Blair & Company reduced its Comcast (CMCSA) stake by 11% in Q1 2026, selling an estimated $501K and leaving 133,103 shares worth $3.82M. The position accounts for 0.01% of the portfolio, ranked #566.
William Blair & Company first reported a position in CMCSA in Q2 2013 and has held it in 52 quarters since. The position peaked at $28.8M in Q2 2021. 2,045 funds tracked by Wall St. Rank hold CMCSA as of Q1 2026.
- William Blair & Company held 133,103 shares of Comcast worth $3.82M as of Q1 2026.
- William Blair & Company sold 16,726 Comcast shares in Q1 2026, an estimated $501K.
- Comcast made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #566 holding.
- William Blair & Company first reported a position in Comcast in Q2 2013 and has held it in 52 quarters since.
- William Blair & Company's Comcast position peaked at $28.8M in Q2 2021.
- 2,045 funds tracked by Wall St. Rank held Comcast as of Q1 2026.
Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.