Telephone Communications, Except Radiotelephone - Latest Activist Disclosures

This table shows recent activist investor (Schedule 13D) filings made in this industry. Any investor or hedge fund that makes an investment with the intention of influencing management is considered an activist investor and must file a 13D.

Date Form Target Company Investor Shares Ownership
(Percent)		 Ownership Change
(Percent)
2025-08-12 13D/A SHEN / Shenandoah Telecommunications Company ECP ControlCo, LLC 6,774,728 11.60 9.11
2025-08-05 13D/A TDS / Telephone and Data Systems, Inc. Telephone & Data Systems Inc Voting Trust 1989 13,512,313 11.70
2025-07-01 13D/A WBD / Warner Bros. Discovery, Inc. Advance/newhouse Partnership 98,181,749 3.97
2025-06-09 13D/A SHEN / Shenandoah Telecommunications Company ECP ControlCo, LLC 6,208,915 10.60 4.45
2025-05-23 13D/A SHEN / Shenandoah Telecommunications Company ECP ControlCo, LLC 5,944,451 10.20 0.00
2025-03-05 13D/A ATEX / Anterix Inc. Heard Capital LLC 1,741,989 9.40 -0.58
2025-03-03 13D/A ES:TEF / Telefónica, S.A. Green Bridge Investment Co SCS 565,280,526 9.97 0.00
2025-02-18 13D/A SHEN / Shenandoah Telecommunications Company ECP ControlCo, LLC 5,944,451 10.20 2.22
2025-01-23 13D ES:TEF / Telefónica, S.A. Green Bridge Investment Co SCS 565,280,526 9.97
2024-12-27 13D/A AMX / América Móvil, S.A.B. de C.V. - Depositary Receipt (Common Stock) Helu Carlos Slim 31,162,513,785 51.00 0.56
2024-12-09 13D/A ATEX / Anterix Inc. Owl Creek Asset Management, L.P. 5,543,917 29.80 2.44
2024-08-08 13D/A ATEX / Anterix Inc. Heard Capital LLC 1,752,138 9.40 0.00
2024-08-01 13D/A SHEN / Shenandoah Telecommunications Company ECP ControlCo, LLC 5,815,571 10.00 0.99
2024-07-29 13D ATEX / Anterix Inc. Heard Capital LLC 1,752,138 9.40 -4.23
2024-07-03 13D/A TDS / Telephone and Data Systems, Inc. Telephone & Data Systems Inc Voting Trust 1989
2024-05-29 13D/A TDS / Telephone and Data Systems, Inc. Telephone & Data Systems Inc Voting Trust 1989
2024-05-17 13D SHEN / Shenandoah Telecommunications Company GCM Investments GP, LLC 4,100,375 7.50
2024-05-10 13D/A AMX / América Móvil, S.A.B. de C.V. - Depositary Receipt (Common Stock) Helu Carlos Slim 30,988,163,785 50.00 -0.01
2024-05-07 13D ATNI / ATN International, Inc. Prior Cornelius B Jr 4,551,154 29.40 8.76
2024-04-08 13D SHEN / Shenandoah Telecommunications Company ECP ControlCo, LLC 5,758,506 9.95
2024-04-02 13D/A WBD / Warner Bros. Discovery, Inc. Advance/newhouse Programming Partnership 198,181,749 8.12 0.00
2023-12-18 13D/A IDT / IDT Corporation Jonas Howard S 4,515,016 17.90
2023-11-15 13D/A MACT / MachTen, Inc. Gamco Investors, Inc. Et Al 735,750 22.48 0.00
2023-09-08 13D MACT / MachTen, Inc. Gamco Investors, Inc. Et Al 735,750 23.23
2023-08-04 13D/A TDS / Telephone and Data Systems, Inc. Telephone & Data Systems Inc Voting Trust 1989
2023-04-14 13D NXPL / NextPlat Corp Frost Phillip Md Et Al 3,428,571 23.70
2023-03-24 13D/A AMX / América Móvil, S.A.B. de C.V. - Depositary Receipt (Common Stock) Helu Carlos Slim 30,990,695,807 49.00 35.47
2023-03-06 13D/A IDT / IDT Corporation Jonas Howard S 2,965,666 12.40
2023-02-14 13D/A ATEX / Anterix Inc. Owl Creek Asset Management, L.P. 5,411,776 28.70 3.06
2022-11-29 13D CXDO / Crexendo, Inc. Dancer Bryan J 2,471,538 9.80
2022-11-21 13D/A LUMN / Lumen Technologies, Inc. Temasek Holdings (Private) Ltd 50,919,596 4.90 -9.21
2022-11-14 13D/A LUMN / Lumen Technologies, Inc. Temasek Holdings (Private) Ltd 56,082,331 5.40 -22.81
2022-10-12 13D/A LUMN / Lumen Technologies, Inc. Southeastern Asset Management Inc/tn/ 48,739,924 4.70 -25.80
2022-10-12 13D/A AMX / América Móvil, S.A.B. de C.V. - Depositary Receipt (Common Stock) Helu Carlos Slim 22,877,206,981 45.30 -1.79
2022-04-12 13D WBD / Warner Bros. Discovery, Inc. Advance/newhouse Programming Partnership 198,175,592 8.17
2022-02-23 13D/A TEO / Telecom Argentina S.A. - Depositary Receipt (Common Stock) Cablevision Holding S.a. 1,076,844,008 63.17 0.00
2022-02-22 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 435,600,000 19.80 0.00
2022-02-03 13D/A AMX / América Móvil, S.A.B. de C.V. - Depositary Receipt (Common Stock) Helu Carlos Slim 23,295,167,956 45.50
2022-02-02 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 435,600,000 19.80 0.00
2022-01-14 13D/A LUMN / Lumen Technologies, Inc. Temasek Holdings (Private) Ltd 72,659,407 7.10 -25.29
2022-01-04 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 435,600,000 19.80 0.00
2021-11-15 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 435,600,000 19.80 0.00
2021-11-04 13D/A LUMN / Lumen Technologies, Inc. Southeastern Asset Management Inc/tn/ 65,689,808 6.40 0.68
2021-10-15 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 435,600,000 19.80 0.00
2021-06-16 13D CXDO / Crexendo, Inc. Wang David Tzat-kin 11,998,453 53.30
2020-12-07 13D/A LUMN / Lumen Technologies, Inc. Southeastern Asset Management Inc/tn/ 65,248,347 6.00 -3.20
2020-11-10 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 435,600,000 19.80 -20.16
2020-11-09 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Letterone Investment Holdings S.a.r.l. 545,600,000 24.80 0.00
2020-10-30 13D TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) Turkiye Varlik Fonu 576,400,000 26.20
2020-10-23 13D/A TKC / Turkcell Iletisim Hizmetleri A.S. - Depositary Receipt (Common Stock) CUKUROVA FINANCE INTERNATIONAL Ltd 995,509 0.05 -99.91