Shenandoah Telecommunications Co
SHEN- Exchange
- Nasdaq
- Industry
- Telephone Communications (No Radiotelephone)
- SEC CIK
- 0000354963
In the last 90 days, Shenandoah Telecommunications Co insiders filed 3 open-market purchases and 0 sales; 184 institutions reported holding it in 13F filings for Q2 2026, worth $598.0M in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.
Holders of 5% or more of SHEN
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Shenandoah Telecommunications Co, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| ECP ControlCo, LLC | 13D/A | 11.60%6.77M shares | +1.00 ppfrom 10.60% | Apr 8, 20246 filings | Aug 12, 2025 | SEC |
| GCM Investments GP, LLC | 13D/A | 7.40%4.12M shares | – | May 17, 20242 filings | Jun 10, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 6.90%3.81M shares | – | Oct 23, 20243 filings | Oct 5, 2026 | SEC |
| Barclays PLC | 13G | 5.76%3.19M shares | +2.06 ppfrom 3.70% | Nov 12, 20253 filings | Nov 6, 2026 | SEC |
| Dimensional Fund Advisors LP | 13G | 5.20%2.87M shares | New | Oct 8, 20261 filing | Oct 8, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
29 Schedule 13D and 13G filings on Shenandoah Telecommunications Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 6, 20262:44 PM ET | Barclays PLC | 13G | 5.76%3.19M shares | +2.06 ppfrom 3.70% | Sep 30, 2026 | SEC |
| Oct 8, 20262:25 PM ET | Dimensional Fund Advisors LP | 13G | 5.20%2.87M shares | New | Sep 30, 2026 | SEC |
| Oct 5, 202611:58 AM ET | BlackRock, Inc. | 13G/A | 6.90%3.81M shares | – | Sep 30, 2026 | SEC |
| Aug 14, 20264:10 PM ET | Southeastern Asset Management Incand 2 othersSuperinvestorSoutheastern Asset Management (Longleaf) | 13G/A | 4.70%2.62M shares | −0.70 ppfrom 5.40%Below 5% | Jun 30, 2026 | SEC |
| Jun 10, 20265:26 PM ET | GCM Investments GP, LLCand 8 others | 13D/A | 7.40%4.12M shares | – | Jun 8, 2026 | SEC |
| May 14, 20268:42 PM ET | Barclays PLC | 13G/A | 3.70%2.05M shares | −1.50 ppfrom 5.20%Below 5% | Mar 31, 2026 | SEC |
| Mar 27, 202612:59 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −6.24 ppfrom 6.24%Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 20265:04 PM ET | Southeastern Asset Management Incand 2 othersSuperinvestorSoutheastern Asset Management (Longleaf) | 13G | 5.40%2.94M shares | New | Dec 31, 2025 | SEC |
| Jan 30, 20262:45 PM ET | Vanguard Group Inc | 13G/A | 6.24%3.43M shares | −1.98 ppfrom 8.22% | Dec 31, 2025 | SEC |
| Nov 12, 20253:46 PM ET | Barclays PLC | 13G | 5.20%2.86M shares | New | Sep 30, 2025 | SEC |
| Aug 12, 20254:30 PM ET | ECP ControlCo, LLCand 12 others | 13D/A | 11.60%6.77M shares | +1.00 ppfrom 10.60% | Aug 8, 2025 | SEC |
| Jun 9, 20259:16 PM ET | ECP ControlCo, LLCand 12 others | 13D/A | 10.60%6.21M shares | +0.40 ppfrom 10.20% | Jun 5, 2025 | SEC |
| May 23, 20254:30 PM ET | ECP ControlCo, LLCand 12 others | 13D/A | 10.20%5.94M shares | 0.00 ppfrom 10.20% | May 21, 2025 | SEC |
| Apr 30, 202511:14 AM ET | Vanguard Group Inc | 13G/A | 8.22%4.51M shares | – | Mar 31, 2025 | SEC |
| Feb 18, 20259:18 PM ET | ECP ControlCo, LLCand 12 others | 13D/A | 10.20%5.94M shares | – | Feb 13, 2025 | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Oct 23, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Aug 1, 2024 | ECP ControlCo, LLC | 13D/AOld format | – | – | – | SEC |
| May 17, 2024 | GCM Investments GP, LLC | 13DOld format | – | New | – | SEC |
| Apr 8, 2024 | ECP ControlCo, LLC | 13DOld format | – | New | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 22, 20243:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 23, 20233:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 26, 20228:18 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 25, 202211:15 AM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 25, 20214:50 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Shenandoah Telecommunications Co shares.
No Form 144 notices for Shenandoah Telecommunications Co are on file.