13F Insight
DOSSIER · 13F Holders · Q1 2026Communication Services · Telephone Communications (No Radiotelephone)Cheap mega-capRe-rated
TDS

TELEPHONE & DATA SYS INC

369 institutions still hold TELEPHONE & DATA SYS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 879433829·Telephone Communications (No Radiotelephone)·369 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.9%
vs prior quarter
13F value held
$3.1B
62.0% inst. owned
of float
Holders
369
-29 QoQ
filers reporting
Activity
+66 / −104
+897 added · −870 reduced
this quarter
Concentration
20.47%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

369 institutions reported TDS in Q1 2026. BlackRock, Inc. leads at 20.5% of the visible book. -29 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$628M14.9M0.01%Q1 202602
Third Point LLC
CIK 0001040273
$278M6.6M13.34%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$273M6.5M0.06%Q1 202604
Vanguard Portfolio Management
CIK 0002100121
$263M6.3M0.01%Q1 202605
CARRONADE CAPITAL MANAGEMENT, LP
CIK 0001866872
$195M4.6M2.54%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119
$181M4.3M0.00%Q1 202607
OAKTREE CAPITAL MANAGEMENT LP
CIK 0000949509
$181M4.3M2.76%Q1 202608
STATE STREET CORP
CIK 0000093751
$176M4.2M0.01%Q1 202609
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$155M3.7M0.08%Q1 202610
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$101M2.4M0.01%Q1 202611
GOLDMAN SACHS GROUP INC
CIK 0000886982
$92M2.2M0.01%Q1 202612
Rubric Capital Management LP
CIK 0001687509
$76M1.9M0.91%Q4 202513
MORGAN STANLEY
CIK 0000895421
$72M1.7M0.00%Q1 202614
GABELLI FUNDS LLC
CIK 0001081407
$64M1.5M0.43%Q1 202615
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
$63M1.5M0.62%Q1 202616
DAVIDSON KEMPNER CAPITAL MANAGEMENT LP
CIK 0001595082
$59M1.4M0.81%Q1 202617
140 Summer Partners LP
CIK 0001820788
$56M1.3M3.44%Q1 202618
REDWOOD CAPITAL MANAGEMENT, LLC
CIK 0001316622
$54M1.3M7.96%Q1 202619
Qube Research & Technologies Ltd
CIK 0001729829
$53M1.2M0.06%Q1 202620
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$48M1.1M0.01%Q1 2026
Page 1 of 19
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