Waste Management, Inc.
Waste Management, Inc. (WM) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WM · as of Mar 31, 2025
Ownership Breakdown
2,259
Institutional Holders
▲ 76 vs Q4
$75.40B
Total Inst. Value
▲ $9.53B vs Q4
401.58M
Shares Outstanding
freeFloat 99.76%
325.75M
13F Shares Held
▼ 845,130 vs Q4
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
WM largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC refuse systems | 37.37M | 9.29% | 9.29% | $8.65T | May 9, 2025 | ▲ 69.1K |
BILL & MELINDA GATES FOUNDATION TRUST refuse systems | 32.23M | 8.01% | 8.01% | $7.46T | May 15, 2025 | — held |
BLACKROCK, INC. refuse systems | 30.18M | 7.50% | 7.50% | $6.99T | May 2, 2025 | ▲ 2.1K |
STATE STREET CORP refuse systems | 18.54M | 4.61% | 4.61% | $4.29T | May 15, 2025 | ▼ 314.1K |
GEODE CAPITAL MANAGEMENT, LLC refuse systems | 8.52M | 2.12% | 2.12% | $1.97T | May 13, 2025 | ▲ 310.4K |
MORGAN STANLEY refuse systems | 7.37M | 1.83% | 1.83% | $1.71T | May 15, 2025 | ▲ 9.6K |
PARNASSUS INVESTMENTS, LLC refuse systems | 5.92M | 1.47% | 1.47% | $1.37T | May 15, 2025 | ▼ 347.8K |
AMERIPRISE FINANCIAL INC refuse systems | 5.32M | 1.32% | 1.32% | $1.23T | May 14, 2025 | ▲ 1.24M |
NORGES BANK refuse systems | 4.86M | 1.21% | 1.21% | $1.13T | May 11, 2026 | ▼ 143.1K |
NORDEA INVESTMENT MANAGEMENT AB refuse systems | 4.29M | 1.07% | 1.07% | $988.78B | May 14, 2025 | ▲ 50.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
23
Increased
+4.07M shares1
New Positions
first time holders25
Decreased
−5.04M shares0
Sold Out
fully exitedNet shares change (top 50)
967.3K
+4.07M / −5.04M
Net new holders
-1
1 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
WM insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
10
Buy transactions
2
Sell transactions
5.00
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 |
|---|---|---|---|---|---|---|---|
Dalby Marcel SVP Bus Optimiz & Collection | May 20, 2026 | Award | 2,257 | — | — | 5.9K | Form 4 ↗ |
Hemmer Tara J. EVP & Chief Operating Officer | May 20, 2026 | Award | 2,544 | — | — | 81.5K | Form 4 ↗ |
Morris John J President | May 20, 2026 | Tax Withhold | 566 | $220.49 | $124.8K | 99.4K | Form 4 ↗ |
PLUMMER WILLIAM B director | May 15, 2026 | Award | 861 | $220.71 | $190.0K | 4.0K | Form 4 ↗ |
MENKE SEAN E director | May 15, 2026 | Award | 861 | $220.71 | $190.0K | 861 | Form 4 ↗ |
Sylvester Maryrose director | May 15, 2026 | Award | 861 | $220.71 | $190.0K | 5.9K | Form 4 ↗ |
MAZZARELLA KATHLEEN M director | May 15, 2026 | Award | 1,314 | $220.71 | $290.0K | 18.3K | Form 4 ↗ |
HOLT VICTORIA M director | May 15, 2026 | Award | 861 | $220.71 | $190.0K | 23.9K | Form 4 ↗ |
Gluski Andres director | May 15, 2026 | Award | 861 | $220.71 | $190.0K | 18.4K | Form 4 ↗ |
Chinn Bruce E. director | May 15, 2026 | Award | 861 | $220.71 | $190.0K | 3.7K | 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
Waste Management, Inc. (WM) is primarily owned by institutional investors, who hold approximately 81.1% of total shares outstanding. Company insiders own approximately 0.24%, while retail and public investors account for the remaining 18.64%.
The largest institutional shareholder of Waste Management, Inc. is VANGUARD GROUP INC, holding approximately 37.37 million shares — equal to 9.29% of outstanding shares — as of March 31, 2025.
A total of 2,259 institutional investors currently hold WM stock, with a combined institutional value of approximately $75.40 billion as of the most recent 13F filing period.
Frequently asked questions
WM ownershipWaste Management, Inc. (WM) is primarily owned by institutional investors, who hold approximately 81.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.29% stake. Company insiders hold 0.24%. Data sourced from SEC Form 13F as of March 31, 2025.