Who owns PLAINS ALL AMERICAN PIPELINE LP, from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
ALPS Advisors, Inc.: 10.4% · 73,107,070 shares — Alerian MLP ETF: 10.4% · 73,107,070 shares
CIBC Private Wealth Group LLC: 7.6% · 5,380,953 shares
Every institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of PLAINS ALL AMERICAN PIPELINE LP they hold. Together these 476 managers report 42.01% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| ALPS ADVISORS INC | $1.57B | 70,510,853 | 7.36% | 9.99% | June 30, 2026 |
| Invesco Ltd. | $742M | 33,326,777 | 0.06% | 4.72% | June 30, 2026 |
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 55 funds hold 22.33% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| Alerian MLP ETF | $1.61B | 13.61% | 10.90% | February 28, 2026 |
| Invesco SteelPath MLP Income Fund | $451M | 10.19% | 3.06% | February 28, 2026 |
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