SEC ownership of TELEPHONE & DATA SYSTEMS INC /DE/

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001051512.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

21 May 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
21 May 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001051512
Issuer location
Chicago, IL

Ownership snapshot

Top shareholders of TELEPHONE & DATA SYSTEMS INC /DE/ (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
21 May 2026
13F 13D/G 3/4/5 Lead comparable stake: 14% 13D/G row: BlackRock, Inc. Showing 1-8 of 50 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 14%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership Top 5
BlackRock, Inc. 14%
TELEPHONE & DATA SYSTEMS INC VOTI... 12%
PICTON MAHONEY ASSET MANAGEMENT 8.1%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.9%
Third Point LLC 5.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
14%
from 13D/G
$628,229,416
14,922,314 shares
31 Mar 2026
TELEPHONE & DATA SYSTEMS INC VOTING TRUST 1989
13D/G
The Trustees of Amendment and Restatement (dated as of April 22, 2005) of Voting Trust under Agreement dated as of June 30, 1989
12%
$613,027,650
13,517,699 shares
+$244,255 07 May 2026
PICTON MAHONEY ASSET MANAGEMENT
13D/G 13F
Company
8.1%
$32,218,400
1,360,000 shares
+$3,954,145 30 Sep 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G 13F
Vanguard Portfolio Management · Company
5.9%
$265,358,489
6,303,052 shares
$0 31 Mar 2026
Third Point LLC
13F 13D/G
Company
5.7%
from 13D/G
$277,860,000
6,600,000 shares
31 Mar 2026
OFF GEORGE W
3/4/5
Director
0.07%
$3,317,774
78,807 shares
21 May 2026
Christopher D. OLeary
3/4/5
Director
0.04%
$2,024,504
48,088 shares
-$990,184 21 May 2026
Kimberly D. Dixon
3/4/5
Director
0.04%
$1,924,096
45,703 shares
21 May 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$18,479,776.

Buys
$0
Insiders: 0
Sells
$18,479,776
Insiders: 7
Net
-$18,479,776
Shares: -479,360
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 479,360
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 5,811 $0 $244,062 -$244,062
6-9 0 17,087 $0 $666,826 -$666,826
9-12 0 456,462 $0 $17,568,888 -$17,568,888

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 25 reporting-owner rows connected to TELEPHONE & DATA SYSTEMS INC /DE/. Open a relationship link for the CIK-to-CIK filing trail.

Rows
25
Largest Forms 3/4/5 holder
VOTING TRUST
Net 12M change
-$18,479,775
Latest report
11 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
VOTING TRUST 10%+ Owner $209,483,254 Mixed 31 Dec 2024
Letitia G. C. Carlson Director $174,278,429 Mixed 21 May 2026
Prudence E. Carlson Director $167,336,884 -$655,929 -0.39% Mixed 21 May 2026
Carlson Leroy T. Jr. Vice Chair, Director $126,353,772 -$4,266,056 -3.3% Mixed 11 Jun 2026
Walter Cd Carlson President and CEO, Director $97,686,397 Mixed 21 May 2026
James W. Butman President & CEO of subsidiary, Director $10,168,053 Mixed 21 May 2025
Joseph R. Hanley SVP-Strategy & Corp Dev $4,797,842 -$2,623,678 -35% Mixed 21 May 2026
Anthony J. Carlson President of Array, Trustee of TDS Voting Trust $4,378,946 Mixed 21 May 2026
OFF GEORGE W Director $3,317,774 Mixed 21 May 2026
Vicki L. Villacrez Executive Vice President & CFO, Director $3,049,092 -$6,153,694 -67% Mixed 11 Jun 2026
Christopher D. OLeary Director $2,024,504 -$990,184 -33% Mixed 21 May 2026
Kimberly D. Dixon Director $1,924,096 Mixed 21 May 2026
Wade Oosterman Director $1,777,588 Mixed 21 May 2026
Scott H. Williamson Senior Vice President $1,451,118 Mixed 23 May 2021
Peter L. Sereda EVP - Chief Financial Officer $1,212,695 Mixed 22 May 2022
Anita J. Kroll VP, Controller & CAO $864,986 -$2,168,098 -71% Mixed 11 Jun 2026
Dirk S. Woessner Director $641,772 Mixed 21 May 2026
Gary L. Sugarman Director $594,757 Mixed 10 May 2021
Clarence A. Davis Director $453,393 Mixed 17 May 2023
Jane W. McCahon SVP Corp Relations & Corp Sec $243,792 Mixed 10 Feb 2022

Recent insider transactions for TELEPHONE & DATA SYSTEMS INC /DE/

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Vicki L. Villacrez TDS Common Shares Tax liability -6.19% -4,780 72,425 11 Jun 2026 Direct
Vicki L. Villacrez TDS Common Shares Options Exercise 15.2% 10,170 77,205 11 Jun 2026 Direct
Vicki L. Villacrez TDS Restricted Stock Units Options Exercise 0 10,170 11 Jun 2026 Direct
Anita J. Kroll TDS Common Shares Tax liability -5.85% -1,277 20,546 11 Jun 2026 Direct
Anita J. Kroll TDS Common Shares Options Exercise 14.2% 2,716 21,823 11 Jun 2026 Direct
Anita J. Kroll TDS Restricted Stock Units Options Exercise 0 2,716 11 Jun 2026 Direct
Carlson Leroy T. Jr. TDS Common Shares Tax liability -2.07% -18,935 897,769 11 Jun 2026 Direct
Carlson Leroy T. Jr. TDS Common Shares Options Exercise 5.18% 45,135 916,704 11 Jun 2026 Direct
Carlson Leroy T. Jr. TDS Restricted Stock Units Options Exercise 0 45,134 11 Jun 2026 Direct
Kenneth S. Dixon TDS Common Shares Tax liability -32% -1,489 3,164 09 Jun 2026 Direct
Kenneth S. Dixon TDS Common Shares Options Exercise 4,653 4,653 09 Jun 2026 Direct
Kenneth S. Dixon TDS Restricted Stock Units Options Exercise -33.3% -4,653 9,306 09 Jun 2026 Direct
Off George W TDS Common Shares Award 3.83% 2,905 78,807 21 May 2026 Direct
Christopher D. OLeary TDS Common Shares Award 6.43% 2,905 48,088 21 May 2026 Direct
Kimberly D. Dixon TDS Common Shares Award 6.79% 2,905 45,703 21 May 2026 Direct
Wade Oosterman TDS Common Shares Award 7.39% 2,905 42,223 21 May 2026 Direct
Dirk S. Woessner TDS Common Shares Tax liability -1.47% -228 15,244 21 May 2026 Direct
Dirk S. Woessner TDS Common Shares Award 23.1% 2,905 15,472 21 May 2026 Direct
Letitia G. C. Carlson TDS Common Shares Award 1.51% 2,905 195,692 21 May 2026 Direct
Prudence E. Carlson TDS Common Shares Award 0.95% 2,905 308,539 21 May 2026 Direct
Walter Cd Carlson TDS Common Shares Tax liability -2.15% -5,016 228,609 21 May 2026 Direct
Walter Cd Carlson TDS Common Shares Award 5.37% 11,905 233,429 21 May 2026 Direct
Walter Cd Carlson TDS Restricted Stock Units Options Exercise -33.3% -11,905 23,810 21 May 2026 Direct
Carlson Leroy T. Jr. TDS Common Shares Tax liability -0.25% -2,198 871,569 21 May 2026 Direct
Carlson Leroy T. Jr. TDS Common Shares Options Exercise 0.57% 4,961 873,767 21 May 2026 Direct
Carlson Leroy T. Jr. TDS Restricted Stock Units Options Exercise -33.3% -4,961 9,922 21 May 2026 Direct
Anthony J. Carlson TDS Common Shares Tax liability -0.62% -204 32,614 21 May 2026 Direct
Anthony J. Carlson TDS Common Shares Options Exercise 2.16% 695 32,818 21 May 2026 Direct
Anthony J. Carlson TDS Restricted Stock Units Options Exercise -33.3% -695 1,390 21 May 2026 Direct
Vicki L. Villacrez TDS Common Shares Tax liability -3.7% -2,575 67,035 21 May 2026 Direct
Vicki L. Villacrez TDS Common Shares Options Exercise 8.54% 5,478 69,610 21 May 2026 Direct
Vicki L. Villacrez TDS Restricted Stock Units Options Exercise -33.3% -5,478 10,956 21 May 2026 Direct
Joseph R. Hanley TDS Common Shares Tax liability -1.25% -1,447 113,963 21 May 2026 Direct
Joseph R. Hanley TDS Common Shares Options Exercise 2.91% 3,265 115,410 21 May 2026 Direct
Joseph R. Hanley TDS Restricted Stock Units Options Exercise -33.3% -3,265 6,530 21 May 2026 Direct
Anita J. Kroll TDS Common Shares Tax liability -3.48% -688 19,107 21 May 2026 Direct
Anita J. Kroll TDS Common Shares Options Exercise 7.98% 1,463 19,795 21 May 2026 Direct
Anita J. Kroll TDS Restricted Stock Units Options Exercise -33.3% -1,463 2,926 21 May 2026 Direct
Napoleon B. Rutledge Jr. TDS Common Shares Award 173.7% 2,905 4,577 21 May 2026 Direct
Kenneth S. Dixon TDS Restricted Stock Units Award 20,892 20,892 20 May 2026 Direct
Vicki L. Villacrez TDS Restricted Stock Units Award 13,476 13,476 20 May 2026 Direct
Carlson Leroy T. Jr. TDS Restricted Stock Units Award 12,021 12,021 20 May 2026 Direct
Walter Cd Carlson TDS Restricted Stock Units Award 31,731 31,731 20 May 2026 Direct
Anita J. Kroll TDS Restricted Stock Units Award 3,654 3,654 20 May 2026 Direct
Joseph R. Hanley TDS Common Shares Tax liability -11.6% -14,689 112,145 19 May 2026 Direct
Joseph R. Hanley TDS Common Shares Options Exercise 18.9% 20,171 126,834 19 May 2026 Direct
Joseph R. Hanley TDS Option (Rigft to Buy) Options Exercise -100% -7,748 0 19 May 2026 Direct
Joseph R. Hanley TDS Option (Right to Buy) Options Exercise -100% -12,423 0 19 May 2026 Direct
Carlson Leroy T. Jr. TDS Common Shares Tax liability -32.6% -373,041 772,143 17 May 2026 Direct
Carlson Leroy T. Jr. TDS Common Shares Options Exercise 433.4% 876,490 1,078,701 17 May 2026 Direct
* marks a reported price that did not pass the local price check.
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