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GAM Holding’s T-Mobile US TMUS Stock Holding History

GAM Holding’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
2025
Q3 		– Sell
-3,375
Closed -$804K – 312
2025
Q2 		$804K Buy
+3,375
New +$824K 0.06% 200
2020
Q1 		– Sell
-7,360
Closed -$577K – 523
2019
Q4 		$577K Buy
7,360
+2,998
+69% +$236K 0.03% 327
2019
Q3 		$344K Sell
4,362
-5,035
-54% -$395K 0.02% 686
2019
Q2 		$697K Sell
9,397
-1,075
-10% -$79.8K 0.03% 594
2019
Q1 		$724K Buy
10,472
+623
+6% +$43.6K 0.03% 546
2018
Q4 		$626K Sell
9,849
-6,779
-41% -$455K 0.03% 480
2018
Q3 		$1.17M Buy
+16,628
New +$1.07M 0.04% 423
2017
Q3 		– Sell
-14,870
Closed -$901K – 898
2017
Q2 		$901K Buy
14,870
+5,422
+57% +$353K 0.01% 660
2017
Q1 		$610K Sell
9,448
-610
-6% -$37.5K 0.01% 759
2016
Q4 		$578K Sell
10,058
-450
-4% -$23.5K 0.01% 719
2016
Q3 		$491K Buy
10,508
+420
+4% +$19.3K 0.01% 720
2016
Q2 		$437K Buy
10,088
+2,112
+26% +$86.6K 0.01% 758
2016
Q1 		$305K Hold
7,976
– – 0.01% 775
2015
Q4 		$312K Buy
7,976
+1,834
+30% +$70.9K ﹤0.01% 924
2015
Q3 		$245K Hold
6,142
– – ﹤0.01% 949
2015
Q2 		$238K Buy
6,142
+1,842
+43% +$66K ﹤0.01% 972
2015
Q1 		$136K Buy
4,300
+1,000
+30% +$31.2K ﹤0.01% 992
2014
Q4 		$89K Hold
3,300
– – ﹤0.01% 1048
2014
Q3 		$95K Sell
3,300
-900
-21% -$27.7K ﹤0.01% 1021
2014
Q2 		$141K Buy
4,200
+900
+27% +$29.1K ﹤0.01% 969
2014
Q1 		$109K Hold
3,300
– – ﹤0.01% 989
2013
Q4 		$111K Sell
3,300
-44,115
-93% -$1.21M ﹤0.01% 834
2013
Q3 		$1.23M Buy
47,415
+12,490
+36% +$305K 0.02% 611
2013
Q2 		$867K Buy
+34,925
New +$747K 0.02% 551

Other funds holding TMUS

SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

GAM Holding's TMUS Position: Q3 2025 in Review

GAM Holding sold out of T-Mobile US (TMUS) in Q3 2025, closing a stake of 3,375 shares — an estimated $804K sold.

GAM Holding first reported a position in TMUS in Q2 2013 and held it in 24 quarters. The position peaked at $1.23M in Q3 2013. 1,720 funds tracked by Wall St. Rank hold TMUS as of Q3 2025.

  • GAM Holding reported no remaining T-Mobile US position as of Q3 2025 after selling out during the quarter.
  • GAM Holding sold 3,375 T-Mobile US shares in Q3 2025, an estimated $804K.
  • GAM Holding first reported a position in T-Mobile US in Q2 2013 and held it in 24 quarters.
  • GAM Holding's T-Mobile US position peaked at $1.23M in Q3 2013.
  • 1,720 funds tracked by Wall St. Rank held T-Mobile US as of Q3 2025.

Based on GAM Holding's 13F filing for Q3 2025, filed 21 Oct 2025.