Primecap Management’s T-Mobile US TMUS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$73.3M Sell
437,090
-349
-0.1% -$66.1K 0.04% 176
2026
Q1
$91.9M Sell
437,439
-1,020
-0.2% -$210K 0.07% 156
2025
Q4
$89M Sell
438,459
-85,040
-16% -$18M 0.07% 158
2025
Q3
$125M Sell
523,499
-22,450
-4% -$5.43M 0.1% 135
2025
Q2
$130M Buy
545,949
+4,940
+0.9% +$1.21M 0.1% 135
2025
Q1
$144M Sell
541,009
-133,770
-20% -$33M 0.12% 117
2024
Q4
$149M Sell
674,779
-19,670
-3% -$4.47M 0.12% 120
2024
Q3
$143M Sell
694,449
-11,250
-2% -$2.15M 0.11% 118
2024
Q2
$124M Sell
705,699
-4,100
-0.6% -$688K 0.09% 124
2024
Q1
$116M Sell
709,799
-3,040
-0.4% -$495K 0.09% 126
2023
Q4
$114M Sell
712,839
-3,380
-0.5% -$500K 0.09% 128
2023
Q3
$100M Sell
716,219
-36,800
-5% -$5.1M 0.08% 136
2023
Q2
$105M Sell
753,019
-179,250
-19% -$25.2M 0.09% 136
2023
Q1
$135M Sell
932,269
-105,190
-10% -$15.2M 0.12% 121
2022
Q4
$145M Sell
1,037,459
-37,847
-4% -$5.44M 0.13% 113
2022
Q3
$144M Sell
1,075,306
-4,530
-0.4% -$636K 0.14% 110
2022
Q2
$145M Sell
1,079,836
-11,690
-1% -$1.53M 0.13% 113
2022
Q1
$140M Sell
1,091,526
-8,730
-0.8% -$1.04M 0.11% 131
2021
Q4
$128M Sell
1,100,256
-56,610
-5% -$6.66M 0.09% 143
2021
Q3
$148M Sell
1,156,866
-306,065
-21% -$42.6M 0.1% 132
2021
Q2
$212M Sell
1,462,931
-165,518
-10% -$22.8M 0.14% 116
2021
Q1
$204M Sell
1,628,449
-383,137
-19% -$48.3M 0.14% 113
2020
Q4
$271M Sell
2,011,586
-187,920
-9% -$23.2M 0.2% 97
2020
Q3
$252M Sell
2,199,506
-707,396
-24% -$78.4M 0.21% 95
2020
Q2
$303M Buy
2,906,902
+2,459,902
+550% +$236M 0.26% 86
2020
Q1
$37.5M Sell
447,000
-4,900
-1% -$415K 0.04% 170
2019
Q4
$35.4M Hold
451,900
0.03% 186
2019
Q3
$35.6M Hold
451,900
0.03% 181
2019
Q2
$33.5M Sell
451,900
-291,900
-39% -$21.7M 0.02% 198
2019
Q1
$51.4M Buy
743,800
+6,900
+0.9% +$483K 0.04% 181
2018
Q4
$46.9M Buy
736,900
+21,200
+3% +$1.42M 0.04% 175
2018
Q3
$50.2M Hold
715,700
0.03% 183
2018
Q2
$42.8M Buy
715,700
+130,400
+22% +$7.72M 0.03% 185
2018
Q1
$35.7M Buy
585,300
+243,300
+71% +$15.2M 0.03% 191
2017
Q4
$21.7M Buy
342,000
+3,000
+0.9% +$183K 0.02% 207
2017
Q3
$20.9M Buy
339,000
+71,500
+27% +$4.48M 0.02% 207
2017
Q2
$16.2M Buy
267,500
+136,500
+104% +$8.89M 0.01% 217
2017
Q1
$8.46M Buy
+131,000
New +$8.05M 0.01% 236

Other funds holding TMUS

Primecap Management's TMUS Position: Q2 2026 in Review

Primecap Management reduced its T-Mobile US (TMUS) stake by 0.08% in Q2 2026, selling an estimated $66.1K and leaving 437,090 shares worth $73.3M. The position accounts for 0.04% of the portfolio, ranked #176.

Primecap Management first reported a position in TMUS in Q1 2017 and has held it in 38 quarters since. The position peaked at $303M in Q2 2020. 1,651 funds tracked by Wall St. Rank hold TMUS as of Q2 2026.

  • Primecap Management held 437,090 shares of T-Mobile US worth $73.3M as of Q2 2026.
  • Primecap Management sold 349 T-Mobile US shares in Q2 2026, an estimated $66.1K.
  • T-Mobile US made up 0.04% of Primecap Management's portfolio in Q2 2026, its #176 holding.
  • Primecap Management first reported a position in T-Mobile US in Q1 2017 and has held it in 38 quarters since.
  • Primecap Management's T-Mobile US position peaked at $303M in Q2 2020.
  • 1,651 funds tracked by Wall St. Rank held T-Mobile US as of Q2 2026.

Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.