Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PAGP held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | TORTOISE CAPITAL ADVISORS, L.L.C. | 11.8M | $286.5M | +0.8% | 5.962% | 2.98% |
| 2 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 9.1M | $220.1M | -4.9% | 4.581% | 0.07% |
| 3 | Energy Income Partners, LLC | 9.0M | $217.9M | +1.4% | 4.535% | 3.51% |
| 4 | TWO SIGMA INVESTMENTS, LP | 7.3M | $178.1M | +295.8% | 3.707% | 0.14% |
| 5 | GOLDMAN SACHS GROUP INC | 7.1M | $171.9M | +46.8% | 3.576% | 0.02% |
| 6 | Clearbridge Investments, LLC | 6.9M | $168.7M | +0.6% | 3.510% | 0.15% |
| 7 | Artemis Investment Management LLP | 6.7M | $163.0M | +90.2% | 3.392% | 1.73% |
| 8 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 4.5M | $108.7M | +4.4% | 2.263% | 0.36% |
| 9 | Invesco Ltd. | 4.4M | $106.5M | +0.4% | 2.216% | 0.02% |
| 10 | MORGAN STANLEY | 4.1M | $98.7M | +12.8% | 2.054% | 0.01% |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.9M | $95.3M | +479.0% | 1.984% | 0.01% |
| 12 | UBS Group AG | 3.8M | $91.2M | +10.2% | 1.897% | 0.01% |
| 13 | BANK OF AMERICA CORP /DE/ | 3.8M | $91.1M | +86.3% | 1.896% | 0.01% |
| 14 | CITADEL ADVISORS LLC | 3.6M | $87.6M | +26.7% | 1.822% | 0.04% |
| 15 | CUSHING ASSET MANAGEMENT, LP | 3.5M | $84.0M | -7.1% | 1.748% | 4.18% |
| 16 | Advisors Capital Management, LLC | 2.9M | $71.3M | +3.8% | 1.484% | 0.83% |
| 17 | HSBC HOLDINGS PLC | 2.7M | $65.7M | — | 1.368% | 0.03% |
| 18 | Qube Research & Technologies Ltd | 2.6M | $63.4M | +37.3% | 1.320% | 0.07% |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.3M | $55.8M | — | 1.161% | 0.00% |
| 20 | BlackRock, Inc. | 2.3M | $54.7M | +40.2% | 1.137% | 0.00% |
| 21 | Recurrent Investment Advisors LLC | 2.1M | $51.4M | -12.7% | 1.074% | 3.09% |
| 22 | BNP PARIBAS ARBITRAGE, SA | 2.1M | $50.8M | +99.8% | 1.057% | 0.02% |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.1M | $50.1M | -7.9% | 1.043% | 0.07% |
| 24 | BROOKFIELD ASSET MANAGEMENT INC. | 2.0M | $48.2M | -9.6% | 1.004% | 0.06% |
| 25 | Blackstone Inc | 2.0M | $48.1M | -2.1% | 1.000% | 0.20% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PAGP — a direct measure of their conviction.
Filings activity in PAGP during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 330 | +8.2% | 78.20% | +23.59 pp | $3.77B | +43% |
| Q4 2025 | 305 | 0.7% | 54.61% | +0.53 pp | $2.63B | +1.0% |
| Q3 2025 | 307 | 1.3% | 54.08% | 145.91 pp | $2.61B | 75% |
| Q2 2025 | 311 | +1.6% | 199.99% | +134.64 pp | $10.50B | +233% |
| Q1 2025 | 306 | +4.8% | 65.35% | +11.91 pp | $3.15B | +22% |
| Q4 2024 | 292 | +7.4% | 53.44% | 1.57 pp | $2.58B | 2.9% |
| Q3 2024 | 272 | +2.3% | 55.01% | 1.12 pp | $2.65B | 2.0% |
| Q2 2024 | 266 | — | 56.13% | — | $2.71B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PAGP stock.
Based on Q1 2026 13F filings, institutional ownership of Plains GP Holdings, L.P. stands at 78.2%, held across 330 reporting institutions.
TORTOISE CAPITAL ADVISORS, L.L.C. is the largest reported institutional holder of PAGP, with approximately 11,799,098 shares worth $0.29B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of PAGP, including TWO SIGMA INVESTMENTS, LP, SUSQUEHANNA INTERNATIONAL GROUP, LLP, CITADEL ADVISORS LLC.
Our composite Smart Money Score for PAGP is 79 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
59 institutions opened new positions in PAGP during Q1 2026, while 34 fully exited. 249 added to existing positions and 21 trimmed.
PAGP institutional ownership rose by 23.59 percentage points quarter-over-quarter, with a net change of +25 holders.
The top 10 institutions account for 45.6% of all reported 13F value in PAGP, and the top 25 account for 72.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Plains GP Holdings, L.P. (PAGP) Institutional Ownership