As of November 10, 2026, Plains GP Holdings, L.P. is a publicly traded company (Nasdaq: PAGP). The largest insider holding is Greg L. Armstrong, a director, with 1,765,812 shares (0.89% of shares outstanding), per Form 4 of August 12, 2025. No bankruptcy or receivership appears in its SEC Form 8-K filings (Schedule 13G, August 4, 2025).
Is this your company?
About to sign with, pay or invest in Plains GP Holdings, L.P.? See the free Snapshot first.
Free to see. No signup.
Is Plains GP Holdings, L.P. a real, registered company?
- Plains GP Holdings, L.P. files with the SEC under CIK 1581990 (its SEC filings).
- Its shares are listed under the ticker PAGP on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Houston, Texas, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Plains GP Holdings, L.P. in our court records and SEC 8-K records (as of 2026-11-10).
- Leadership changes: the latest reported is Chris Chandler (Form 8-K filed 2026-09-29). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Massachusetts Financial Services Company (filed 2025-08-04).
Who are Plains GP Holdings, L.P.'s owners and officers?
Plains GP Holdings, L.P.: incorporated in Delaware; business address in Houston, Texas; industry Pipe Lines (No Natural Gas) (Form D, 2026-09-29).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-02-17 | Energy Income Partners, LLC | 4.47% |
| Schedule 13G/A, 2026-01-28 | Massachusetts Financial Services Company | 4.8% |
| Schedule 13G, 2025-08-04 | Massachusetts Financial Services Company | 5.1% |
Want the whole picture on Plains GP Holdings, L.P.?
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
A Full Report on Plains GP Holdings, L.P.: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Plains GP Holdings, L.P. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
14 cited sources found
Plus the sections for what you are deciding, which you pick after ordering.
A real finished report, first screen. Opens in a new tab.
| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-09-29 | Chris Chandler | departed | ||
| Form 8-K, 2026-06-02 | Russ Montgomery | Chief Accounting Officer | appointed | 2026-09-01 |
| Form 8-K, 2026-05-13 | Cynthia B. Taylor | Director | appointed |
Which insiders own Plains GP Holdings, L.P. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director: 1,765,812 shares (0.89% of shares outstanding) (Form 4, 2025-08-12).
- , a director: 322,794 shares (0.16% of shares outstanding) (Form 4, 2026-08-17).
- , a director: 156,091 shares (0.08% of shares outstanding) (Form 4, 2026-08-17).
- , a director: 95,180 shares (0.05% of shares outstanding) (Form 4, 2026-08-17).
- , a director: 88,294 shares (0.04% of shares outstanding) (Form 4, 2026-08-17).
Shares outstanding: 198,101,249 as of 2026-10-30, from the company's latest SEC cover page.
How much has Plains GP Holdings, L.P. raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-05-12); completed an acquisition (2025-11-06).
Keep reading
More on Plains GP Holdings, L.P. and the records around it.
Plains GP Holdings, L.P. elsewhere on the record
- Leadership changes Jun 2026
Companies that share a holder
- Energy Income Partners, LLC also filed stake reports on 2 other companies: Clearway Energy, Inc. (Aug 2026)
- Massachusetts Financial Services Company also filed stake reports on 26 other companies: ASHLAND INC. (Aug 2026), BLACKSTONE DIGITAL INFRASTRUCTURE TRUST INC (Aug 2026), PG&E CORP (Aug 2026)
Related pages
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
Not for employment, credit, insurance or tenancy decisions.
Cite this page
https://mentionfox.com/who-owns/plains-gp