Waste Connections, Inc.
Waste Connections, Inc. (WCN) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WCN · as of Mar 31, 2025
Ownership Breakdown
755
Institutional Holders
$43.18B
Total Inst. Value
▲ $5.48B vs Q4
254.08M
Shares Outstanding
freeFloat 99.65%
220.71M
13F Shares Held
▲ 1.17M 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
WCN largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC refuse systems | 30.25M | 11.71% | 11.71% | $5.90T | May 9, 2025 | ▲ 954.2K |
ROYAL BANK OF CANADA refuse systems | 10.62M | 4.11% | 4.11% | $2.07T | Nov 21, 2025 | ▼ 47.1K |
BANK OF MONTREAL /CAN/ refuse systems | 8.48M | 3.28% | 3.28% | $1.65T | May 13, 2025 | ▼ 164.8K |
FIL LTD refuse systems | 7.86M | 3.04% | 3.04% | $1.53T | May 12, 2025 | ▲ 680.4K |
WCM INVESTMENT MANAGEMENT, LLC refuse systems | 6.38M | 2.47% | 2.47% | $1.23T | Apr 28, 2025 | ▲ 18.4K |
BLACKROCK, INC. refuse systems | 6.06M | 2.35% | 2.35% | $1.18T | May 2, 2025 | ▲ 80.9K |
CAPITAL INTERNATIONAL INVESTORS refuse systems | 5.97M | 2.31% | 2.31% | $1.17T | May 12, 2025 | ▲ 24.3K |
PRICE T ROWE ASSOCIATES INC /MD/ refuse systems | 5.21M | 2.02% | 2.02% | $1.02T | May 14, 2025 | ▼ 521.8K |
FMR LLC refuse systems | 4.92M | 1.91% | 1.91% | $959.55B | May 12, 2025 | ▲ 182.5K |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. refuse systems | 4.85M | 1.88% | 1.88% | $946.65B | May 14, 2025 | ▼ 1.25M |
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
31
Increased
+7.04M shares1
New Positions
first time holders17
Decreased
−4.29M shares0
Sold Out
fully exitedNet shares change (top 50)
+2.75M
+7.04M / −4.29M
Net new holders
+15
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
WCN 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.
4
Buy transactions
6
Sell transactions
0.67
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 |
|---|---|---|---|---|---|---|---|
NIELSEN III ROBERT SR VP Operations | May 14, 2026 | Sale | 500 | $155.56 | $77.8K | 4.3K | Form 4 ↗ |
NIELSEN III ROBERT SR VP Operations | May 12, 2026 | Sale | 337 | $153.00 | $51.6K | 5.0K | Form 4 ↗ |
NIELSEN III ROBERT SR VP Operations | May 13, 2026 | Sale | 290 | $151.00 | $43.8K | 4.8K | Form 4 ↗ |
MITTELSTAEDT RONALD J President & CEO | May 12, 2026 | Purchase | 50,000 | $152.24 | $7.61M | 301.0K | Form 4 ↗ |
HANSEN ERIC Senior Vice President and CIO | Apr 30, 2026 | Sale | 6,000 | $164.82 | $988.9K | 13.3K | Form 4 ↗ |
LITTLE JAMES Executive VP Engineering | Apr 27, 2026 | Sale | 2,605 | $163.98 | $427.2K | 34.4K | Form 4 ↗ |
FLORNESS DANIEL L director | Apr 1, 2026 | Award | 663 | — | — | 663 | Form 4 ↗ |
FLORNESS DANIEL L director | Apr 1, 2026 | Award | 419 | — | — | 419 | Form 4 ↗ |
FLORNESS DANIEL L director | Apr 1, 2026 | Tax Withhold | 178 | $162.98 | $29.0K | 154 | Form 4 ↗ |
TAN DEREK SR VP Chief Accounting Officer | Mar 4, 2026 | Sale | 1,173 | $171.03 | $200.6K | 1.4K | 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 Connections, Inc. (WCN) is primarily owned by institutional investors, who hold approximately 86.9% of total shares outstanding. Company insiders own approximately 0.35%, while retail and public investors account for the remaining 12.78%.
The largest institutional shareholder of Waste Connections, Inc. is VANGUARD GROUP INC, holding approximately 30.25 million shares — equal to 11.71% of outstanding shares — as of March 31, 2025.
A total of 755 institutional investors currently hold WCN stock, with a combined institutional value of approximately $43.18 billion as of the most recent 13F filing period.
Frequently asked questions
WCN ownershipWaste Connections, Inc. (WCN) is primarily owned by institutional investors, who hold approximately 86.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.71% stake. Company insiders hold 0.35%. Data sourced from SEC Form 13F as of March 31, 2025.