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5%+ stakes · Schedule 13D and 13G

Shenandoah Telecommunications Company: 5%+ holders

Who has reported owning 5% or more of Shenandoah Telecommunications Company, from Schedule 13D and 13G filings: each holder's stake as filed, the timeline, and the purpose each 13D states, quoted.

At 5% or more2
Filings8
Latest filing2026-08-14

Shenandoah Telecommunications Company has 8 Schedule 13D or 13G filings on record since 2025-08-12. 2 holders' latest filing reports 5% or more of common stock (no par value). Each figure below is the holder's own, as filed, with the filing linked.

Holders

HolderPercentSharesLatestEvent date
ECP ControlCo, LLC11.6%6,774,728SCHEDULE 13D/A, 2025-08-122025-08-08
GCM Investments GP, LLC7.4%4,116,050SCHEDULE 13D/A, 2026-06-102026-06-08
Southeastern Asset Management, Inc.4.7%2,616,797SCHEDULE 13G/A, 2026-08-142026-06-30
Barclays PLC3.7%2,048,706SCHEDULE 13G/A, 2026-05-142026-03-31
The Vanguard Group0%0SCHEDULE 13G/A, 2026-03-272026-03-13

Purpose of Transaction (Item 4)

GCM Investments GP, LLC

Item 4 is hereby amended to add the following: Effective June 8, 2026, James DiMola resigned from the Board and Matthew Rinklin was appointed to the Board to serve as a Class 3 director to fill the vacancy created by Mr. DiMola's resignation. Mr. Rinklin's appointment was made pursuant to the Investor Rights Agreement (as defined in the Schedule 13D). Mr. Rinklin will be deemed to replace Mr. DiMola as the Investor Director (as defined in the Investor Rights Agreement) under the Investor Rights Agreement and will assume Mr. DiMola's roles on the standing committees of the Board. Mr. Rinklin will initially serve as a director until the Issuer's 2027 Annual Meeting of Stockholders.Item 4 of the SCHEDULE 13D/A filed 2026-06-10

Timeline

FiledHolderPercentFiling
2025-08-12ECP ControlCo, LLC11.6%SCHEDULE 13D/A
2025-11-12Barclays PLC5.2%SCHEDULE 13G
2026-01-30The Vanguard Group6.24%SCHEDULE 13G/A
2026-02-13Southeastern Asset Management, Inc.5.4%SCHEDULE 13G
2026-03-27The Vanguard Group0%SCHEDULE 13G/A
2026-05-14Barclays PLC3.7%SCHEDULE 13G/A
2026-06-10GCM Investments GP, LLC7.4%SCHEDULE 13D/A
2026-08-14Southeastern Asset Management, Inc.4.7%SCHEDULE 13G/A

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Where this comes from

Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.

Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.

Cite this page

Permanent URL: https://mentionfox.com/stakes/shenandoah-telecommunications
Last updated 2026-09-27
Primary record: SEC filing 1 · SEC filing 2 · SEC filing 3 · SEC filing 4
Shenandoah Telecommunications Company 5%+ holders: 2 at 5% or more, largest ECP ControlCo, LLC 11.6%. MentionFox, 2026-09-27. https://mentionfox.com/stakes/shenandoah-telecommunications