Parallax Volatility Advisers
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Parallax Volatility Advisers’s T-Mobile US TMUS Stock Holding History

Parallax Volatility Advisers’s Portfolio TMUS Stock Details TMUS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.07M Sell
19,369
-2,233
-10% -$459K 0.01% 629
2025
Q4 		$4.39M Buy
21,602
+2,838
+15% +$602K 0.01% 717
2025
Q3 		$4.49M Buy
+18,764
New +$4.54M 0.01% 704
2025
Q2 		– Sell
-198,906
Closed -$48.6M – 1814
2025
Q1 		$53.1M Sell
198,906
-47,941
-19% -$11.8M 0.14% 117
2024
Q4 		$54.5M Buy
246,847
+188,350
+322% +$42.8M 0.11% 148
2024
Q3 		$12.1M Buy
+58,497
New +$11.2M 0.02% 479
2024
Q2 		– Sell
-19,696
Closed -$3.3M – 2262
2024
Q1 		$3.21M Buy
+19,696
New +$3.21M 0.01% 873
2023
Q4 		– Sell
-13,680
Closed -$2.02M – 2496
2023
Q3 		$1.92M Sell
13,680
-87,503
-86% -$12.1M ﹤0.01% 1115
2023
Q2 		$14.1M Sell
101,183
-95,018
-48% -$13.3M 0.03% 439
2023
Q1 		$28.4M Buy
196,201
+190,545
+3,369% +$27.6M 0.06% 304
2022
Q4 		$792K Sell
5,656
-84,730
-94% -$12.2M ﹤0.01% 1737
2022
Q3 		$12.1M Buy
90,386
+90,330
+161,304% +$12.7M 0.02% 702
2022
Q2 		$8K Sell
56
-117,205
-100% -$15.3M ﹤0.01% 2694
2022
Q1 		$15.1M Buy
117,261
+117,205
+209,295% +$14M 0.01% 610
2021
Q4 		$6K Hold
56
– – ﹤0.01% 1948
2021
Q3 		$7K Sell
56
-140,963
-100% -$19.6M ﹤0.01% 1920
2021
Q2 		$20.4M Buy
141,019
+111,612
+380% +$15.4M 0.03% 361
2021
Q1 		$3.68M Sell
29,407
-143,479
-83% -$18.1M 0.01% 569
2020
Q4 		$23.3M Buy
172,886
+170,283
+6,542% +$21M 0.02% 484
2020
Q3 		$298K Sell
2,603
-8,070
-76% -$894K ﹤0.01% 2409
2020
Q2 		$1.11M Sell
10,673
-11,853
-53% -$1.14M ﹤0.01% 1695
2020
Q1 		$1.89M Sell
22,526
-54,612
-71% -$4.62M ﹤0.01% 1262
2019
Q4 		$6.05M Buy
77,138
+75,397
+4,331% +$5.93M 0.01% 832
2019
Q3 		$137K Sell
1,741
-29,299
-94% -$2.3M ﹤0.01% 1926
2019
Q2 		$2.3M Buy
31,040
+7,617
+33% +$566K ﹤0.01% 1000
2019
Q1 		$1.62M Buy
23,423
+19,959
+576% +$1.4M ﹤0.01% 1078
2018
Q4 		$220K Buy
+3,464
New +$232K ﹤0.01% 1720
2018
Q3 		– Sell
-21,924
Closed -$1.41M – 3572
2018
Q2 		$1.31M Buy
21,924
+17,450
+390% +$1.03M ﹤0.01% 1029
2018
Q1 		$273K Buy
+4,474
New +$280K ﹤0.01% 1212
2017
Q4 		– Sell
-28,373
Closed -$1.73M – 4918
2017
Q3 		$1.75M Buy
+28,373
New +$1.78M ﹤0.01% 889
2017
Q2 		– Sell
-46,141
Closed -$3.01M – 3933
2017
Q1 		$2.98M Buy
+46,141
New +$2.84M 0.01% 727
2016
Q1 		– Sell
-665
Closed -$25.1K – 3668
2015
Q4 		$26K Sell
665
-191,017
-100% -$7.38M ﹤0.01% 2512
2015
Q3 		$7.63M Buy
191,682
+83,324
+77% +$3.32M 0.02% 542
2015
Q2 		$4.2M Buy
108,358
+97,064
+859% +$3.48M 0.01% 777
2015
Q1 		$358K Sell
11,294
-6,267
-36% -$195K ﹤0.01% 1737
2014
Q4 		$473K Sell
17,561
-185,839
-91% -$5.14M ﹤0.01% 2096
2014
Q3 		$5.87M Buy
+203,400
New +$6.26M 0.02% 652
2014
Q2 		– Sell
-216
Closed -$7K – 4310
2014
Q1 		$7K Sell
216
-28,301
-99% -$897K ﹤0.01% 3137
2013
Q4 		$959K Buy
+28,517
New +$782K ﹤0.01% 862

Other funds holding TMUS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

Parallax Volatility Advisers's TMUS Position: Q1 2026 in Review

Parallax Volatility Advisers reduced its T-Mobile US (TMUS) stake by 10% in Q1 2026, selling an estimated $459K and leaving 19,369 shares worth $4.07M. The position accounts for 0.01% of the portfolio, ranked #629.

Parallax Volatility Advisers first reported a position in TMUS in Q4 2013 and has held it in 39 quarters since. The position peaked at $54.5M in Q4 2024. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

  • Parallax Volatility Advisers held 19,369 shares of T-Mobile US worth $4.07M as of Q1 2026.
  • Parallax Volatility Advisers sold 2,233 T-Mobile US shares in Q1 2026, an estimated $459K.
  • T-Mobile US made up 0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #629 holding.
  • Parallax Volatility Advisers first reported a position in T-Mobile US in Q4 2013 and has held it in 39 quarters since.
  • Parallax Volatility Advisers's T-Mobile US position peaked at $54.5M in Q4 2024.
  • 1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.