Marshall Wace’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
Q1
$498M Buy
2,369,508
+1,644,089
+227% +$338M 0.5% 21
2025
Q4
$147M Sell
725,419
-490,385
-40% -$104M 0.13% 124
2025
Q3
$291M Sell
1,215,804
-581,282
-32% -$141M 0.3% 45
2025
Q2
$428M Buy
1,797,086
+1,768,654
+6,221% +$432M 0.48% 26
2025
Q1
$7.58M Sell
28,432
-107,730
-79% -$26.6M 0.01% 878
2024
Q4
$30.1M Buy
136,162
+49,062
+56% +$11.2M 0.04% 424
2024
Q3
$18M Buy
+87,100
New +$16.7M 0.02% 543
2024
Q2
Sell
-88,657
Closed -$14.5M 2963
2024
Q1
$14.5M Buy
88,657
+85,857
+3,066% +$14M 0.02% 625
2023
Q4
$449K Sell
2,800
-177,242
-98% -$26.2M ﹤0.01% 1752
2023
Q3
$25.2M Sell
180,042
-1,165,099
-87% -$161M 0.05% 365
2023
Q2
$187M Buy
1,345,141
+1,309,172
+3,640% +$184M 0.36% 46
2023
Q1
$5.21M Buy
+35,969
New +$5.21M 0.01% 979
2022
Q4
Sell
-239,712
Closed -$32.2M 3427
2022
Q3
$32.2M Sell
239,712
-462,661
-66% -$65M 0.07% 313
2022
Q2
$94.5M Buy
702,373
+416,430
+146% +$54.3M 0.19% 109
2022
Q1
$36.7M Sell
285,943
-629,597
-69% -$75M 0.07% 311
2021
Q4
$106M Buy
915,540
+606,267
+196% +$71.3M 0.2% 96
2021
Q3
$39.5M Sell
309,273
-92,633
-23% -$12.9M 0.16% 117
2021
Q2
$58.2M Sell
401,906
-286,227
-42% -$39.5M 0.26% 66
2021
Q1
$86.2M Buy
688,133
+97,170
+16% +$12.2M 0.4% 43
2020
Q4
$79.7M Sell
590,963
-439,448
-43% -$54.3M 0.43% 42
2020
Q3
$118M Sell
1,030,411
-463,965
-31% -$51.4M 0.75% 19
2020
Q2
$156M Buy
1,494,376
+1,445,722
+2,971% +$139M 1.09% 11
2020
Q1
$4.08M Buy
48,654
+40,669
+509% +$3.44M 0.04% 435
2019
Q4
$626K Buy
+7,985
New +$628K ﹤0.01% 1100
2019
Q3
Sell
-12,002
Closed -$890K 1927
2019
Q2
$890K Buy
+12,002
New +$891K 0.01% 961
2019
Q1
Sell
-350,652
Closed -$22.3M 2058
2018
Q4
$22.3M Sell
350,652
-174,010
-33% -$11.7M 0.23% 95
2018
Q3
$36.8M Sell
524,662
-522,931
-50% -$33.6M 0.31% 80
2018
Q2
$62.6M Buy
+1,047,593
New +$62M 0.94% 14
2018
Q1
Sell
-648,367
Closed -$41.2M 648
2017
Q4
$41.2M Buy
648,367
+110,118
+20% +$6.72M 1.73% 15
2017
Q3
$33.4M Sell
538,249
-245,511
-31% -$15.4M 1.55% 14
2017
Q2
$47.8M Sell
783,760
-1,092,963
-58% -$71.2M 2.11% 10
2017
Q1
$122M Sell
1,876,723
-6,516,031
-78% -$401M 5.89% 2
2016
Q4
$483M Sell
8,392,754
-326,600
-4% -$17.1M 3.17% 1
2016
Q3
$407M Buy
8,719,354
+966,375
+12% +$44.4M 2.9% 2
2016
Q2
$335M Buy
7,752,979
+2,167,045
+39% +$88.9M 2.82% 2
2016
Q1
$214M Buy
5,585,934
+81,674
+1% +$3.08M 2.06% 3
2015
Q4
$215M Buy
5,504,260
+1,226,819
+29% +$47.4M 2.02% 2
2015
Q3
$170M Buy
4,277,441
+327,918
+8% +$13.1M 2.09% 4
2015
Q2
$153M Sell
3,949,523
-1,528,393
-28% -$54.8M 2% 3
2015
Q1
$174M Sell
5,477,916
-3,119,851
-36% -$97.3M 2.26% 3
2014
Q4
$232M Buy
8,597,767
+2,175,864
+34% +$60.1M 3.06% 1
2014
Q3
$185M Buy
6,421,903
+2,583,482
+67% +$79.5M 2.67% 1
2014
Q2
$129M Sell
3,838,421
-523,059
-12% -$16.9M 1.9% 3
2014
Q1
$144M Buy
+4,361,480
New +$138M 2.62% 1
2013
Q2
$135M Buy
+5,457,341
New +$117M 8.1% 1

Other funds holding TMUS

Marshall Wace's TMUS Position: Q1 2026 in Review

Marshall Wace increased its T-Mobile US (TMUS) stake by 227% in Q1 2026, buying an estimated $338M and bringing the position to 2,369,508 shares worth $498M. The position accounts for 0.5% of the portfolio, ranked #21.

Marshall Wace first reported a position in TMUS in Q2 2013 and has held it in 45 quarters since. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

  • Marshall Wace held 2,369,508 shares of T-Mobile US worth $498M as of Q1 2026.
  • Marshall Wace bought 1,644,089 T-Mobile US shares in Q1 2026, an estimated $338M.
  • T-Mobile US made up 0.5% of Marshall Wace's portfolio in Q1 2026, its #21 holding.
  • Marshall Wace first reported a position in T-Mobile US in Q2 2013 and has held it in 45 quarters since.
  • 1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.