Cubist Systematic Strategies’s T-Mobile US TMUS Stock Holding History

Cubist Systematic Strategies’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	$5.46M	Buy	22,800 +13,100	+135%	+$3.17M	0.03%	901
2025 Q2	$2.31M	Buy	9,700 +6,500	+203%	+$1.59M	0.01%	1490
2025 Q1	$853K	Buy	3,200 +1,700	+113%	+$419K	0.01%	1900
2024 Q4	$331K	Buy	+1,500	New	+$341K	﹤0.01%	2355
2024 Q3	–	Sell	-46,000	Closed	-$8.1M	–	3499
2024 Q2	$8.1M	Sell	46,000 -169,400	-79%	-$28.4M	0.06%	523
2024 Q1	$35.2M	Buy	215,400 +122,600	+132%	+$20M	0.2%	59
2023 Q4	$14.9M	Sell	92,800 -17,200	-16%	-$2.54M	0.1%	244
2023 Q3	$15.4M	Buy	110,000 +16,700	+18%	+$2.31M	0.11%	191
2023 Q2	$13M	Buy	93,300 +66,300	+246%	+$9.3M	0.09%	301
2023 Q1	$3.91M	Sell	27,000 -3,600	-12%	-$522K	0.02%	1118
2022 Q4	$4.28M	Buy	30,600 +16,100	+111%	+$2.31M	0.03%	1153
2022 Q3	$1.95M	Buy	+14,500	New	+$2.04M	0.01%	2042

Other funds holding TMUS

SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Cubist Systematic Strategies's TMUS Position: Q3 2025 in Review

Cubist Systematic Strategies opened a new position in T-Mobile US (TMUS) in Q3 2025: 96,030 shares worth $23M. The stake represents 0.11% of the portfolio and ranks #234 among its holdings. This is a return to the name: Cubist Systematic Strategies previously reported a position in TMUS as recently as Q4 2023.

Cubist Systematic Strategies first reported a position in TMUS in Q2 2014 and has held it in 39 quarters since. The position peaked at $25.3M in Q1 2023. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q3 2025.

Cubist Systematic Strategies held 96,030 shares of T-Mobile US worth $23M as of Q3 2025.
T-Mobile US was a new Cubist Systematic Strategies position in Q3 2025.
T-Mobile US made up 0.11% of Cubist Systematic Strategies's portfolio in Q3 2025, its #234 holding.
Cubist Systematic Strategies first reported a position in T-Mobile US in Q2 2014 and has held it in 39 quarters since.
Cubist Systematic Strategies's T-Mobile US position peaked at $25.3M in Q1 2023.
1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.