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Ostrum Asset Management’s T-Mobile US TMUS Stock Holding History

Ostrum Asset 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
Q2 		$1.04M Buy
6,197
+557
+10% +$105K 0.05% 219
2026
Q1 		$1.18M Sell
5,640
-7,087
-56% -$1.46M 0.07% 204
2025
Q4 		$2.58M Buy
12,727
+1,646
+15% +$349K 0.12% 135
2025
Q3 		$2.65M Buy
11,081
+5,493
+98% +$1.33M 0.12% 156
2025
Q2 		$1.33M Sell
5,588
-536
-9% -$131K 0.06% 249
2025
Q1 		$1.63M Sell
6,124
-6,637
-52% -$1.64M 0.09% 217
2024
Q4 		$2.82M Buy
12,761
+807
+7% +$184K 0.24% 119
2024
Q3 		$2.47M Sell
11,954
-8,368
-41% -$1.6M 0.2% 176
2024
Q2 		$3.58M Sell
20,322
-22,615
-53% -$3.79M 0.31% 77
2024
Q1 		$7.01M Buy
42,937
+2,942
+7% +$479K 0.55% 23
2023
Q4 		$6.41M Buy
39,995
+3,946
+11% +$584K 0.56% 27
2023
Q3 		$5.05M Buy
36,049
+8,728
+32% +$1.21M 0.47% 41
2023
Q2 		$3.79M Sell
27,321
-261
-0.9% -$36.6K 0.32% 85
2023
Q1 		$3.99M Buy
+27,582
New +$4M 0.35% 77
2019
Q2 		– Sell
-22,590
Closed -$1.56M – 147
2019
Q1 		$1.56M Hold
22,590
– – 0.51% 56
2018
Q4 		$1.44M Buy
+22,590
New +$1.52M 0.56% 45

Other funds holding TMUS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
SoftBank Group
SoftBank Group Tokyo, Japan $18.2B AUM 177.65% 1-Year Est. Return

Ostrum Asset Management's TMUS Position: Q2 2026 in Review

Ostrum Asset Management increased its T-Mobile US (TMUS) stake by 9.9% in Q2 2026, buying an estimated $105K and bringing the position to 6,197 shares worth $1.04M. The position accounts for 0.05% of the portfolio, ranked #219.

Ostrum Asset Management first reported a position in TMUS in Q4 2018 and has held it in 16 quarters since. The position peaked at $7.01M in Q1 2024. 1,655 funds tracked by Wall St. Rank hold TMUS as of Q2 2026.

  • Ostrum Asset Management held 6,197 shares of T-Mobile US worth $1.04M as of Q2 2026.
  • Ostrum Asset Management bought 557 T-Mobile US shares in Q2 2026, an estimated $105K.
  • T-Mobile US made up 0.05% of Ostrum Asset Management's portfolio in Q2 2026, its #219 holding.
  • Ostrum Asset Management first reported a position in T-Mobile US in Q4 2018 and has held it in 16 quarters since.
  • Ostrum Asset Management's T-Mobile US position peaked at $7.01M in Q1 2024.
  • 1,655 funds tracked by Wall St. Rank held T-Mobile US as of Q2 2026.

Based on Ostrum Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.