Plains All American: ALPS reports 9.82% stake
Plains All American Pipeline LP (PAA) filed an amended Schedule 13G, revealing that ALPS Advisors, Inc. and Alerian MLP ETF each reported owning approximately 9.8% of PAA's common units as of September 30, 2026. Both entities hold shared voting and dispositive power over their respective stakes, according to the filing.
How this was made
The 30-second read
Why it matters
Disclosure of a 9.82% stake highlights possible voting influence and may affect investor perception of control.
Market read
The new ownership data could influence voting outcomes and attract activist interest, modestly affecting the MLP sector.
What to watch
Potential for ALPS to sell the stake later, altering market dynamics.
Background
The filing updates the public record of significant shareholders in Plains All American Pipeline LP.
Ticker impact
ALPS Advisors reported a 9.82% stake in Plains All American Pipeline LP via a Schedule 13G filing.
possible pressure as investors assess voting power and activist risk.
A near‑10% stake can affect board decisions and may trigger activist scrutiny, but no immediate transaction is announced.
Market effects
MLP sector may see increased attention to ownership structures.
US energy infrastructure investors could reassess exposure.
Limited impact beyond US energy markets.
Counterpoint
Stake may be passive and not lead to any governance changes.
Key entities
- companyPlains All American Pipeline LP
MLP operator of petroleum pipelines.
- investment_advisorALPS Advisors, Inc.
Investment adviser reporting the stake.
- ETFAlerian MLP ETF
ETF holding a similar stake in Plains All American.
