Plains GP Holdings, L.P.
Plains GP Holdings, L.P. (PAGP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PAGP · as of Sep 30, 2025
Ownership Breakdown
343
Institutional Holders
▲ 1 vs Q2
$2.79B
Total Inst. Value
▼ $197.15M vs Q2
197.90M
Shares Outstanding
freeFloat 97.24%
152.73M
13F Shares Held
▼ 789,759 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
PAGP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
TORTOISE CAPITAL ADVISORS, L.L.C. pipe lines (no natural gas) | 11.82M | 5.97% | 5.97% | $215.59B | Nov 13, 2025 | ▲ 182.0K |
ENERGY INCOME PARTNERS, LLC pipe lines (no natural gas) | 10.20M | 5.15% | 5.15% | $185.99B | Nov 13, 2025 | ▲ 102.9K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ pipe lines (no natural gas) | 9.94M | 5.02% | 5.02% | $181.28B | Oct 29, 2025 | ▼ 179.4K |
CHICKASAW CAPITAL MANAGEMENT LLC pipe lines (no natural gas) | 8.83M | 4.46% | 4.46% | $161.11B | Oct 7, 2025 | ▲ 494.3K |
CLEARBRIDGE INVESTMENTS, LLC pipe lines (no natural gas) | 7.31M | 3.69% | 3.69% | $133.26B | Nov 13, 2025 | ▼ 34.8K |
GOLDMAN SACHS GROUP INC pipe lines (no natural gas) | 5.02M | 2.53% | 2.53% | $91.51B | Nov 14, 2025 | ▲ 133.1K |
BARROW HANLEY MEWHINNEY & STRAUSS LLC pipe lines (no natural gas) | 5.00M | 2.53% | 2.53% | $91.25B | Nov 13, 2025 | ▼ 1.51M |
INVESCO LTD. pipe lines (no natural gas) | 4.39M | 2.22% | 2.22% | $80.01B | Nov 13, 2025 | ▲ 66.7K |
MORGAN STANLEY pipe lines (no natural gas) | 3.86M | 1.95% | 1.95% | $70.40B | May 27, 2026 | ▲ 97.1K |
CUSHING ASSET MANAGEMENT, LP pipe lines (no natural gas) | 3.58M | 1.81% | 1.81% | $65.39B | Oct 20, 2025 | ▲ 42.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
26
Increased
+7.37M shares0
New Positions
first time holders20
Decreased
−6.46M shares0
Sold Out
fully exitedNet shares change (top 50)
+915.1K
+7.37M / −6.46M
Net new holders
+6
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
PAGP insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
1
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Ziemba Lawrence Michael director | Aug 14, 2025 | Award | 7,400 | — | — | 7.4K | Form 4 ↗ |
SHACKOULS BOBBY S director | Aug 14, 2025 | Award | 7,400 | — | — | 7.4K | Form 4 ↗ |
RAYMOND JOHN T director | Aug 14, 2025 | Award | 7,400 | — | — | 7.4K | Form 4 ↗ |
Pruner Alexandra director | Aug 14, 2025 | Award | 7,400 | — | — | 7.4K | Form 4 ↗ |
PETERSEN GARY R director | Aug 14, 2025 | Award | 7,400 | — | — | 7.4K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Plains GP Holdings, L.P. (PAGP) is primarily owned by institutional investors, who hold approximately 77.2% of total shares outstanding. Company insiders own approximately 2.76%, while retail and public investors account for the remaining 20.07%.
The largest institutional shareholder of Plains GP Holdings, L.P. is TORTOISE CAPITAL ADVISORS, L.L.C., holding approximately 11.82 million shares — equal to 5.97% of outstanding shares — as of September 30, 2025.
A total of 343 institutional investors currently hold PAGP stock, with a combined institutional value of approximately $2.79 billion as of the most recent 13F filing period.
Frequently asked questions
PAGP ownershipPlains GP Holdings, L.P. (PAGP) is primarily owned by institutional investors, who hold approximately 77.2% of shares. The largest shareholder is TORTOISE CAPITAL ADVISORS, L.L.C. with a 5.97% stake. Company insiders hold 2.76%. Data sourced from SEC Form 13F as of September 30, 2025.