13F Insight
DOSSIER · 13F Holders · Q1 2026Communication Services · Radiotelephone CommunicationsMost-boughtAI cap-ex
TMUS

T-MOBILE US INC

1,821 institutions still hold T-MOBILE US INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 872590104·Radiotelephone Communications·1,821 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.3%
vs prior quarter
13F value held
$49.4B
56.0% inst. owned
of float
Holders
1,821
+38 QoQ
filers reporting
Activity
+70 / −79
+1,009 added · −920 reduced
this quarter
Concentration
16.63%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

1,821 institutions reported TMUS in Q1 2026. BlackRock, Inc. leads at 16.6% of the visible book. +38 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$8.2B39.1M0.14%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119
$6.2B29.7M0.15%Q1 202603
STATE STREET CORP
CIK 0000093751
$5.0B23.7M0.17%Q1 202604
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$3.6B17.2M0.67%Q1 202605
MORGAN STANLEY
CIK 0000895421
$3.0B14.4M0.18%Q1 202606
FMR LLC
CIK 0000315066
$2.6B12.5M0.14%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$2.6B12.4M0.16%Q1 202608
SOFTBANK GROUP CORP.
CIK 0001065521
$2.1B10.0M18.41%Q1 202609
Vanguard Portfolio Management
CIK 0002100121
$2.1B9.9M0.11%Q1 202610
Invesco Ltd.
CIK 0000914208
$1.7B8.1M0.26%Q1 202611
FRANKLIN RESOURCES INC
CIK 0000038777
$1.5B7.0M0.36%Q1 202612
GOLDMAN SACHS GROUP INC
CIK 0000886982
$1.4B6.8M0.16%Q1 202613
BARCLAYS PLC
CIK 0000312069
$1.4B6.6M0.33%Q1 202614
DODGE & COX
CIK 0000200217
$1.3B6.2M0.71%Q1 202615
Capital International Investors
CIK 0001562230
$1.3B6.0M0.30%Q1 202616
CANADA PENSION PLAN INVESTMENT BOARD
CIK 0001283718
$1.2B5.8M0.79%Q4 202517
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$1.1B5.4M0.15%Q1 202618
Bank of New York Mellon Corp
CIK 0001390777
$1.1B5.1M0.20%Q1 202619
JPMORGAN CHASE & CO
CIK 0000019617
$992M4.6M0.06%Q1 202620
NORTHERN TRUST CORP
CIK 0000073124· Index
$965M4.6M0.13%Q1 2026
Page 1 of 92
1801 more holders available. Log in →