Waste Management (WM) Held by Superinvestors
WASTE MANAGEMENT INC (WM) is currently held by 7 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $7.41B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Bill & Melinda Gates Foundation Trust is currently the largest disclosed institutional shareholder of WM tracked by InsiderSet, reporting ownership valued at approximately $5.96B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $5.58B, representing an estimated loss of -6.30% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed WM value among the investors covered in this analysis. Major shareholders include Bill & Melinda Gates Foundation Trust, Parnassus Endeavor Fund, Jensen Investment Management, and several other long-term asset managers with concentrated positions in WASTE MANAGEMENT INC (WM).
This page ranks the largest institutional WM shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Bill & Melinda Gates Foundation Trust | Bill Gates | 17.30% | 26,720,744 | $5,955,519,423 | $5,580,092,970 | -$375,426,453 | -6.30% |
| Parnassus Endeavor Fund | Parnassus Investments | 2.85% | 4,792,005 | $1,068,042,074 | $1,000,714,404 | -$67,327,670 | -6.30% |
| Jensen Investment Management | Eric H. Schoenstein | 3.41% | 631,052 | $140,648,870 | $131,782,589 | -$8,866,281 | -6.30% |
| Mairs & Power Growth Fund | Andrew R. Adams | 1.21% | 591,025 | $131,727,652 | $123,423,751 | -$8,303,901 | -6.30% |
| Sequoia Financial Advisors | 0.26% | 233,493 | $52,040,822 | $48,760,343 | -$3,280,479 | -6.30% | |
| Renaissance Technologies LLC | Jim Simons | 0.05% | 166,400 | $37,087,232 | $34,749,312 | -$2,337,920 | -6.30% |
| Fundsmith Investment Services | Terry Smith | 0.57% | 114,984 | $25,627,634 | $24,012,109 | -$1,615,525 | -6.30% |
Frequently asked questions about WM
Who are the largest superinvestors holding WM?
The largest superinvestors holding WM in the latest SEC Form 13F filings include Bill & Melinda Gates Foundation Trust, Parnassus Endeavor Fund, Jensen Investment Management, Mairs & Power Growth Fund, and Sequoia Financial Advisors. InsiderSet ranks these superinvestors by their latest reported WM position.
What does the WM superinvestors page include?
This page tracks WM positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. WASTE MANAGEMENT INC (WM) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold WM?
InsiderSet currently tracks 7 superinvestors reporting WM holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own WM.
How much WM stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $7.41B in WM holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were WM superinvestor holdings last updated?
The latest WM superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor WM holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its WM position after the reporting date.
Are superinvestors buying or selling WM?
Buying and selling can be analyzed by comparing WM positions across consecutive 13F reporting periods. InsiderSet's WM Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View WM ownership changes.
How have superinvestor WM holdings changed over time?
InsiderSet tracks WM holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.