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Boston Partners

SEC CIK
0001386060
Latest filing
Aug 4, 2026

TMUS holding history

T-Mobile US, Inc. in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

TMUS overviewAll 13F holders of TMUSFull Q2 2026 holdings

Shares (Q2 2026)
2,343,384
Value
$394.9M
% of portfolio
0.4%
Quarters held
22
Since Q1 2021
Holdings of TMUS by Boston Partners, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,343,384$394.9M0.4%−59,166−2.5%ReducedHolders
Q1 20262,402,550$503.9M0.5%+72,594+3.1%AddedHolders
Q4 20252,329,956$471.7M0.5%+211,332+10.0%AddedHolders
Q3 20252,118,624$505.8M0.5%+579,352+37.6%AddedHolders
Q2 20251,539,272$366.8M0.4%+151,317+10.9%AddedHolders
Q1 20251,387,955$369.6M0.4%−161,218−10.4%ReducedHolders
Q4 20241,549,173$341.7M0.4%−298,247−16.1%ReducedHolders
Q3 20241,847,420$382.7M0.5%−17,061−0.9%ReducedHolders
Q2 20241,864,481$328.8M0.4%−732,859−28.2%ReducedHolders
Q1 20242,597,340$424.0M0.5%+28,045+1.1%AddedHolders
Q4 20232,569,295$412.4M0.5%−169,799−6.2%ReducedHolders
Q3 20232,739,094$384.2M0.5%+647,234+30.9%AddedHolders
Q2 20232,091,860$290.0M0.4%−479,207−18.6%ReducedHolders
Q1 20232,571,067$372.2M0.5%−836,194−24.5%ReducedHolders
Q4 20223,407,261$478.7M0.6%−79,466−2.3%ReducedHolders
Q3 20223,486,727$470.2M0.7%−308,047−8.1%ReducedHolders
Q2 20223,794,774$511.9M0.7%+721,764+23.5%AddedHolders
Q1 20223,073,010$394.9M0.5%+1,209,516+64.9%AddedHolders
Q4 20211,863,494$216.1M0.3%+157,350+9.2%AddedHolders
Q3 20211,706,144$217.8M0.3%−936,673−35.4%ReducedHolders
Q2 20212,642,817$382.9M0.5%−1,848,965−41.2%ReducedHolders
Q1 20214,491,782$563.2M0.8%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.