Plains GP Holdings LP
Ownership
Ownership Structure
Who owns Plains GP Holdings LP (PAGP)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 97.1% of the shares are freely tradable; institutional investors hold 85.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Tortoise Midstream Energy Fund, Inc. | 5.62 | 11,116,796 | -5.8 | 06/30/2026 |
| Massachusetts Financial Services Company | 4.58 | 9,066,172 | -4.9 | 03/31/2026 |
| Energy Income Partners, LLC | 4.57 | 9,045,863 | +0.8 | 06/30/2026 |
| Chickasaw Capital Management, LLC | 4.36 | 8,630,172 | -0.5 | 06/30/2026 |
| Two Sigma Investments LLC | 3.64 | 7,199,867 | +0.1 | 06/30/2026 |
| The Goldman Sachs Group Inc | 3.58 | 7,077,927 | +46.8 | 03/31/2026 |
| ClearBridge Advisors, LLC | 3.51 | 6,946,082 | +0.6 | 03/31/2026 |
| Artemis Investment Management LLP | 2.67 | 5,276,057 | -21.4 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Tortoise Energy Infrastructure TR Ins | 3.85 | 7,628,591 | -8.0 | 06/30/2026 |
| First Trust North Amer Engy InfrasETF | 3.38 | 6,680,318 | +0.0 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| PAA GP Holdings LLC | Director | 233,059,630 | 6,199,386,158 $ | Aug 14, 2026 | indirect |
| Raymond John T | Director | 322,794 | 8,586,320 $ | Aug 14, 2026 | direct |
| McCarthy Kevin S | Director | 156,091 | 4,152,021 $ | Aug 14, 2026 | direct |
| Ziemba Lawrence Michael | Director | 95,180 | 2,531,788 $ | Aug 14, 2026 | direct |
| Pruner Alexandra | Director | 88,294 | 2,348,620 $ | Aug 14, 2026 | direct |
| Shackouls Bobby S | Director | 80,801 | 2,149,307 $ | Aug 14, 2026 | direct |
| Petersen Gary R | Director | 75,544 | 2,009,470 $ | Aug 14, 2026 | direct |
| Burk Victor | Director | 50,323 | 1,338,592 $ | Aug 14, 2026 | direct |
| DeSanctis Ellen | Director | 44,500 | 1,183,700 $ | Aug 14, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 14, 2026 | PAA GP Holdings LLC | Director | Other | 59,200 | 0.00 | – |
| Aug 14, 2026 | Ziemba Lawrence Michael | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | Shackouls Bobby S | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | Raymond John T | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | Pruner Alexandra | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | Petersen Gary R | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | McCarthy Kevin S | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | DeSanctis Ellen | Director | Other | 7,400 | 0.00 | – |
| Aug 14, 2026 | Burk Victor | Director | Other | 7,400 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 25, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.