T-MOBILE US INC (TMUS) Institutional Ownership Changes & 13F Activity

T-MOBILE US INC (TMUS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Amundi, Capitalatwork S.A., M&T Bank Corp, and Wells Fargo & Company/Mn.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Op Asset Management LtdSell-4,107-7.4%51,571$10.83MQ1 2026Sep 28, 2026
M&T Bank CorpSell-81,281-65.9%42,081$8.84MQ1 2026Sep 04, 2026
Cornerstone Financial Management LlcBuy+19+46.3%60$12.60KQ1 2026Aug 28, 2026
Dakota Wealth ManagementBuy+6,895+9.5%79,273$16.65MQ1 2026Aug 26, 2026
Ensign Peak Advisors, IncSell-30,614-17.1%148,142$31.11MQ1 2026Aug 18, 2026
Mirae Asset Global Investments Co., Ltd.Buy+31,469+7.0%482,983$101.44MQ1 2026Aug 12, 2026
Brighton Jones LlcSell-1,967-1.4%142,366$29.90MQ1 2026Aug 07, 2026
Capital Advisor Network LlcBuy+9—9$1.89KQ1 2026Aug 06, 2026
Capitalatwork S.A.Buy+141,449+32.5%576,010$120.98KQ1 2026Jul 29, 2026
Invesco Ltd.Sell-2,003,155-8.0%23,125,514$4.86BQ1 2026Jul 15, 2026
Wells Fargo & Company/MnBuy+51,148+5.1%1,052,716$221.10MQ1 2026Jul 08, 2026
Kerr Financial Planning CorpBuy+71+173.2%112$20.67KQ1 2026Jul 01, 2026
Bannerstone Capital Management, LlcSell-1,722-100.0%0$0.00Q1 2026May 28, 2026
Shuttleworth & CoBuy+515+7.8%7,097$1.49MQ1 2026May 20, 2026
Western Wealth Management, LlcBuy+3,296+269.5%4,519$949.12KQ1 2026May 19, 2026
Kentucky Retirement Systems Insurance Trust FundBuy+752+6.3%12,703$2.67MQ1 2026May 19, 2026
Mcilrath & Eck, LlcSell-67-5.2%1,233$258.97KQ1 2026May 19, 2026
Paragon Private Wealth Management, LlcSell-50-4.0%1,206$253.32KQ1 2026May 19, 2026
Cim Investment Management IncSell-17-0.5%3,475$729.85KQ1 2026May 19, 2026
AmundiBuy+1,062,643+40.6%3,679,795$772.87MQ1 2026May 18, 2026
Bank Of America CorpSell-45,605-1.4%3,153,473$662.32MQ1 2026May 18, 2026
California State Teachers Retirement SystemSell-23,646-2.9%785,248$164.93MQ1 2026May 18, 2026
Talon Private Wealth, LlcBuy+8,646—8,646$1.82MQ1 2026May 18, 2026
Encore Global Management, LpBuy+6,000—6,000$1.26MQ1 2026May 18, 2026
Arkadios Wealth AdvisorsSell-4,100-17.8%18,871$3.96MQ1 2026May 18, 2026
Bull Harbor Capital LlcBuy+3,402—3,402$714.52KQ1 2026May 18, 2026
Gould Capital, LlcBuy+3,390+79.7%7,644$1.61MQ1 2026May 18, 2026
Oddo Bhf Asset Management SasSell-1,590-49.7%1,610$338.15KQ1 2026May 18, 2026
Strategic Investment Advisors / MiBuy+1,435+69.4%3,504$736.04KQ1 2026May 18, 2026
Centaurus Financial, Inc.Buy+704+16.9%4,872$1.02MQ1 2026May 18, 2026
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Frequently asked questions about TMUS activity

  • Which institutional owners are buying TMUS?

    Institutional owners buying TMUS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TMUS activity?

    "Buy" means an investor increased their reported position in TMUS compared to the prior reporting period. This reflects growing exposure to T-MOBILE US INC (TMUS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TMUS increasing?

    Institutional interest in TMUS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.