Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in WCN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | 15.9M | $2.58B | — | 6.221% | 0.06% |
| 2 | ROYAL BANK OF CANADA | 12.2M | $1.98B | +0.9% | 4.791% | 0.35% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 11.1M | $1.81B | — | 4.369% | 0.10% |
| 4 | FMR LLC | 9.0M | $1.46B | -12.7% | 3.518% | 0.08% |
| 5 | BANK OF MONTREAL /CAN/ | 8.1M | $1.32B | -5.4% | 3.195% | 0.50% |
| 6 | 1832 Asset Management L.P. | 7.1M | $1.16B | +25.9% | 2.791% | 1.53% |
| 7 | BlackRock, Inc. | 6.2M | $1.01B | +4.4% | 2.429% | 0.02% |
| 8 | Capital International Investors | 5.2M | $849.2M | -19.2% | 2.051% | 0.20% |
| 9 | MACKENZIE FINANCIAL CORP | 5.0M | $809.1M | -11.4% | 1.954% | 0.97% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 4.9M | $801.7M | +5.5% | 1.937% | 0.15% |
| 11 | GOLDMAN SACHS GROUP INC | 4.7M | $765.7M | +62.5% | 1.850% | 0.09% |
| 12 | TD ASSET MANAGEMENT INC | 4.0M | $652.8M | +4.8% | 1.581% | 0.53% |
| 13 | WCM INVESTMENT MANAGEMENT, LLC | 3.9M | $627.3M | -38.4% | 1.521% | 1.43% |
| 14 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 3.7M | $604.6M | +48.7% | 1.461% | 0.52% |
| 15 | TWO SIGMA INVESTMENTS, LP | 3.4M | $559.5M | +219.2% | 1.351% | 0.45% |
| 16 | CITADEL ADVISORS LLC | 3.2M | $514.4M | +192.5% | 1.243% | 0.24% |
| 17 | BANK OF AMERICA CORP /DE/ | 2.7M | $433.6M | -20.8% | 1.047% | 0.03% |
| 18 | MORGAN STANLEY | 2.6M | $418.6M | -15.3% | 1.011% | 0.03% |
| 19 | Fiera Capital Corp | 2.5M | $413.1M | -7.9% | 1.000% | 1.41% |
| 20 | VANGUARD FIDUCIARY TRUST CO | 2.5M | $398.6M | — | 0.963% | 0.10% |
| 21 | Stockbridge Partners LLC | 2.5M | $398.2M | +3.5% | 0.962% | 9.62% |
| 22 | Pictet Asset Management Holding SA | 2.3M | $377.7M | -33.7% | 0.912% | 0.40% |
| 23 | Impax Asset Management Group plc | 2.1M | $344.0M | +339.6% | 0.831% | 2.40% |
| 24 | CIBC World Markets Inc. | 2.1M | $334.3M | +0.7% | 0.808% | 0.55% |
| 25 | BILL & MELINDA GATES FOUNDATION TRUST | 2.0M | $331.2M | 0.0% | 0.800% | 1.05% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in WCN — a direct measure of their conviction.
Filings activity in WCN during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 776 | 1.9% | 82.72% | 9.66 pp | $32.91B | 10% |
| Q4 2025 | 791 | +8.5% | 92.38% | +0.02 pp | $36.75B | +0.0% |
| Q3 2025 | 729 | 3.1% | 92.36% | 4.77 pp | $36.74B | 4.9% |
| Q2 2025 | 752 | +5.5% | 97.13% | 1.40 pp | $38.64B | 1.4% |
| Q1 2025 | 713 | +0.4% | 98.53% | +13.26 pp | $39.20B | +16% |
| Q4 2024 | 710 | +1.1% | 85.27% | 2.47 pp | $33.92B | 2.8% |
| Q3 2024 | 702 | +4.9% | 87.74% | 28.84 pp | $34.91B | 25% |
| Q2 2024 | 669 | — | 116.58% | — | $46.38B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 12, 2026 | MITTELSTAEDT RONALD J | Buy | 50K | $152.24 | $7.6M |
Quick answers to the most common questions about buying WCN stock.
Based on Q1 2026 13F filings, institutional ownership of Waste Connections, Inc. stands at 82.7%, held across 776 reporting institutions.
VANGUARD CAPITAL MANAGEMENT LLC is the largest reported institutional holder of WCN, with approximately 15,855,163 shares worth $2.58B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of WCN, including TWO SIGMA INVESTMENTS, LP, CITADEL ADVISORS LLC, BILL & MELINDA GATES FOUNDATION TRUST.
Our composite Smart Money Score for WCN is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
103 institutions opened new positions in WCN during Q1 2026, while 118 fully exited. 173 added to existing positions and 493 trimmed.
WCN institutional ownership fell by 9.66 percentage points quarter-over-quarter, with a net change of -15 holders.
The top 10 institutions account for 41.8% of all reported 13F value in WCN, and the top 25 account for 63.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Waste Connections, Inc. (WCN) Institutional Ownership