Headlands Technologies’s T-Mobile US TMUS Stock Holding History

Headlands Technologies’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	$2.29M	Sell	10,888 -63,749	-85%	-$13.1M	0.26%	72
2025 Q4	$15.2M	Buy	74,637 +45,564	+157%	+$9.66M	1.26%	11
2025 Q3	$6.96M	Buy	+29,073	New	+$7.04M	0.56%	36
2025 Q2	–	Sell	-1,400	Closed	-$373K	–	1529
2025 Q1	$373K	Sell	1,400 -7,772	-85%	-$1.92M	0.04%	335
2024 Q4	$2.02M	Buy	+9,172	New	+$2.09M	0.2%	117
2023 Q1	–	Sell	-7,277	Closed	-$1.02M	–	752
2022 Q4	$1.02M	Buy	+7,277	New	+$1.05M	0.81%	28

Other funds holding TMUS

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

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 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

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

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

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

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

Headlands Technologies's TMUS Position: Q1 2026 in Review

Headlands Technologies reduced its T-Mobile US (TMUS) stake by 85% in Q1 2026, selling an estimated $13.1M and leaving 10,888 shares worth $2.29M. The position accounts for 0.26% of the portfolio, ranked #72.

Headlands Technologies first reported a position in TMUS in Q4 2022 and has held it in 6 quarters since. The position peaked at $15.2M in Q4 2025. 1,720 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

Headlands Technologies held 10,888 shares of T-Mobile US worth $2.29M as of Q1 2026.
Headlands Technologies sold 63,749 T-Mobile US shares in Q1 2026, an estimated $13.1M.
T-Mobile US made up 0.26% of Headlands Technologies's portfolio in Q1 2026, its #72 holding.
Headlands Technologies first reported a position in T-Mobile US in Q4 2022 and has held it in 6 quarters since.
Headlands Technologies's T-Mobile US position peaked at $15.2M in Q4 2025.
1,720 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

Based on Headlands Technologies's 13F filing for Q1 2026, filed 13 May 2026.