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

Polar Asset Management Partners’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 Q4	–	Sell	-102,261	Closed	-$24.5M	–	826
2025 Q3	$24.5M	Buy	102,261 +46,761	+84%	+$11.3M	0.27%	59
2025 Q2	$13.2M	Sell	55,500 -5,364	-9%	-$1.31M	0.21%	77
2025 Q1	$16.2M	Sell	60,864 -143,136	-70%	-$35.3M	0.37%	59
2024 Q4	$45M	Buy	204,000 +120,500	+144%	+$27.4M	0.53%	41
2024 Q3	$17.2M	Buy	+83,500	New	+$16M	0.36%	65
2024 Q2	–	Sell	-56,400	Closed	-$9.21M	–	831
2024 Q1	$9.21M	Sell	56,400 -73,600	-57%	-$12M	0.16%	114
2023 Q4	$20.8M	Sell	130,000 -110,599	-46%	-$16.4M	0.36%	48
2023 Q3	$33.7M	Buy	240,599 +112,899	+88%	+$15.6M	0.75%	25
2023 Q2	$17.7M	Buy	+127,700	New	+$17.9M	0.32%	75
2014 Q1	–	Sell	-141,130	Closed	-$4.75M	–	195
2013 Q4	$4.75M	Buy	+141,130	New	+$3.87M	0.2%	116

Other funds holding TMUS

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

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

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

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

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

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

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

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

Polar Asset Management Partners's TMUS Position: Q4 2025 in Review

Polar Asset Management Partners sold out of T-Mobile US (TMUS) in Q4 2025, closing a stake of 102,261 shares — an estimated $24.5M sold.

Polar Asset Management Partners first reported a position in TMUS in Q4 2013 and held it in 10 quarters. The position peaked at $45M in Q4 2024. 1,708 funds tracked by Wall St. Rank hold TMUS as of Q4 2025.

Polar Asset Management Partners reported no remaining T-Mobile US position as of Q4 2025 after selling out during the quarter.
Polar Asset Management Partners sold 102,261 T-Mobile US shares in Q4 2025, an estimated $24.5M.
Polar Asset Management Partners first reported a position in T-Mobile US in Q4 2013 and held it in 10 quarters.
Polar Asset Management Partners's T-Mobile US position peaked at $45M in Q4 2024.
1,708 funds tracked by Wall St. Rank held T-Mobile US as of Q4 2025.

Based on Polar Asset Management Partners's 13F filing for Q4 2025, filed 17 Feb 2026.