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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
2017
Q3 		– Sell
-1,450,000
Closed -$87.9M – 548
2017
Q2 		$87.9M Buy
1,450,000
+700,000
+93% +$45.6M 1.05% 11
2017
Q1 		$48.4M Buy
+750,000
New +$46.1M 0.56% 32

Other funds holding TMUS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
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
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SoftBank Group
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.