Ontario Teachers' Pension Plan Board’s T-Mobile US TMUS Stock Holding History

Ontario Teachers' Pension Plan Board’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	$44.2M	Buy	+210,616	New	+$43.3M	1.28%	21
2024 Q1	–	Sell	-2,589,854	Closed	-$415M	–	547
2023 Q4	$415M	Sell	2,589,854 -416,630	-14%	-$61.6M	4.11%	11
2023 Q3	$421M	Sell	3,006,484 -371,891	-11%	-$51.5M	4.56%	11
2023 Q2	$469M	Buy	3,378,375 +3,373,884	+75,125%	+$473M	4.91%	6
2023 Q1	$650K	Buy	+4,491	New	+$651K	0.01%	401
2020 Q4	–	Sell	-14,387	Closed	-$1.65M	–	582
2020 Q3	$1.65M	Sell	14,387 -3,457	-19%	-$383K	0.03%	145
2020 Q2	$1.86M	Buy	17,844 +1,379	+8%	+$132K	0.04%	151
2020 Q1	$1.38M	Sell	16,465 -16,176	-50%	-$1.37M	0.04%	216
2019 Q4	$2.56M	Buy	+32,641	New	+$2.57M	0.05%	269
2018 Q4	–	Sell	-2,531,900	Closed	-$178M	–	635
2018 Q3	$178M	Buy	2,531,900 +316,900	+14%	+$20.4M	2.52%	2
2018 Q2	$132M	Buy	+2,215,000	New	+$131M	1.83%	3
2014 Q4	–	Sell	-21,380	Closed	-$617K	–	729
2014 Q3	$617K	Sell	21,380 -1,813,507	-99%	-$55.8M	0.01%	597
2014 Q2	$61.7M	Sell	1,834,887 -215,113	-10%	-$6.95M	0.49%	47
2014 Q1	$67.7M	Buy	+2,050,000	New	+$65M	0.59%	42
2013 Q3	–	Sell	-11,589	Closed	-$288K	–	778
2013 Q2	$288K	Buy	+11,589	New	+$248K	﹤0.01%	680

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

Ontario Teachers' Pension Plan Board's TMUS Position: Q1 2026 in Review

Ontario Teachers' Pension Plan Board opened a new position in T-Mobile US (TMUS) in Q1 2026: 210,616 shares worth $44.2M. The stake represents 1.28% of the portfolio and ranks #21 among its holdings. This is a return to the name: Ontario Teachers' Pension Plan Board previously reported a position in TMUS as recently as Q4 2023.

Ontario Teachers' Pension Plan Board first reported a position in TMUS in Q2 2013 and has held it in 15 quarters since. The position peaked at $469M in Q2 2023. 1,719 funds tracked by Wall St. Rank hold TMUS as of Q1 2026.

Ontario Teachers' Pension Plan Board held 210,616 shares of T-Mobile US worth $44.2M as of Q1 2026.
T-Mobile US was a new Ontario Teachers' Pension Plan Board position in Q1 2026.
T-Mobile US made up 1.28% of Ontario Teachers' Pension Plan Board's portfolio in Q1 2026, its #21 holding.
Ontario Teachers' Pension Plan Board first reported a position in T-Mobile US in Q2 2013 and has held it in 15 quarters since.
Ontario Teachers' Pension Plan Board's T-Mobile US position peaked at $469M in Q2 2023.
1,719 funds tracked by Wall St. Rank held T-Mobile US as of Q1 2026.

Based on Ontario Teachers' Pension Plan Board's 13F filing for Q1 2026, filed 11 May 2026.