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Sustainable Insight Capital Management’s T-Mobile US TMUS Stock Holding History

Sustainable Insight Capital Management’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 		$5.29M Sell
25,177
-44,300
-64% -$9.1M 1.78% 15
2025
Q4 		$14.1M Buy
69,477
+25,900
+59% +$5.49M 4.71% 8
2025
Q3 		$10.4M Buy
43,577
+14,744
+51% +$3.57M 3.28% 11
2025
Q2 		$6.87M Sell
28,833
-6,469
-18% -$1.58M 3.11% 10
2025
Q1 		$9.42M Sell
35,302
-20,490
-37% -$5.05M 4.69% 7
2024
Q4 		$12.3M Buy
55,792
+7,264
+15% +$1.65M 5.39% 7
2024
Q3 		$10M Sell
48,528
-35,700
-42% -$6.83M 4.54% 8
2024
Q2 		$14.8M Buy
84,228
+25,000
+42% +$4.19M 7.44% 5
2024
Q1 		$9.67M Buy
59,228
+26,100
+79% +$4.25M 6.97% 3
2023
Q4 		$5.31M Sell
33,128
-800
-2% -$118K 4.32% 9
2023
Q3 		$4.75M Sell
33,928
-1,300
-4% -$180K 4.66% 4
2023
Q2 		$4.89M Sell
35,228
-2,646
-7% -$371K 4.54% 5
2023
Q1 		$5.49M Buy
37,874
+1,100
+3% +$159K 5.51% 1
2022
Q4 		$5.15M Buy
36,774
+139
+0.4% +$20K 5.8% 5
2022
Q3 		$4.92M Buy
36,635
+30,984
+548% +$4.35M 5.74% 1
2022
Q2 		$761K Sell
5,651
-53,535
-90% -$6.98M 0.76% 35
2022
Q1 		$7.6M Sell
59,186
-4,255
-7% -$507K 5.4% 2
2021
Q4 		$7.36M Buy
63,441
+50,726
+399% +$5.97M 3.95% 11
2021
Q3 		$1.62M Sell
12,715
-41,167
-76% -$5.73M 1.04% 27
2021
Q2 		$7.51M Buy
+53,882
New +$7.43M 4.45% 4
2021
Q1 		– Sell
-42,564
Closed -$5.74M – 133
2020
Q4 		$5.74M Buy
+42,564
New +$5.26M 3.91% 9
2020
Q1 		$2.58M Sell
30,782
-5,618
-15% -$475K 3.61% 8
2019
Q4 		$2.85M Buy
+36,400
New +$2.86M 2.94% 17
2019
Q2 		– Sell
-11,600
Closed -$802K – 91
2019
Q1 		$802K Buy
+11,600
New +$812K 1.03% 35
2018
Q1 		– Sell
-3,400
Closed -$216K – 79
2017
Q4 		$216K Sell
3,400
-81,200
-96% -$4.95M 0.08% 56
2017
Q3 		$5.22M Buy
+84,600
New +$5.31M 2.35% 17

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

Sustainable Insight Capital Management's TMUS Position: Q1 2026 in Review

Sustainable Insight Capital Management reduced its T-Mobile US (TMUS) stake by 64% in Q1 2026, selling an estimated $9.1M and leaving 25,177 shares worth $5.29M. The position accounts for 1.78% of the portfolio, ranked #15.

Sustainable Insight Capital Management first reported a position in TMUS in Q3 2017 and has held it in 26 quarters since. The position peaked at $14.8M in Q2 2024. 1,720 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

  • Sustainable Insight Capital Management held 25,177 shares of T-Mobile US worth $5.29M as of Q1 2026.
  • Sustainable Insight Capital Management sold 44,300 T-Mobile US shares in Q1 2026, an estimated $9.1M.
  • T-Mobile US made up 1.78% of Sustainable Insight Capital Management's portfolio in Q1 2026, its #15 holding.
  • Sustainable Insight Capital Management first reported a position in T-Mobile US in Q3 2017 and has held it in 26 quarters since.
  • Sustainable Insight Capital Management's T-Mobile US position peaked at $14.8M in Q2 2024.
  • 1,720 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

Based on Sustainable Insight Capital Management's 13F filing for Q1 2026, filed 14 May 2026.