The largest holder of GFL Environmental stock is BC Partners, Inc., with 76.6 million shares (21.96% of the company), worth about $3.24 billion as of September 25, 2026. The 10 largest holders together own 68.0%.
In Q2 2026, 341 institutional holdings reports listed 277.0 million shares worth $10.10 billion, up 10.4% in shares from Q1 2026.
Insiders reported 73 transactions in the last two years: no sales and no purchases. The newest one on file is from May 1, 2026 (Gilbert (Mindy Beth), Senior Officer of Issuer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 1, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BC Partners, Inc. | 76.6 million | 21.96% | $3.2B |
| Capital Research & Management Co. (Global Investors) | 23.2 million | 6.63% | $979.0M |
| Fidelity Management & Research Co. LLC | 22.6 million | 6.49% | $957.0M |
| Ontario Teachers' Pension Plan Board | 22.5 million | 6.43% | $949.0M |
| Ontario Teachers' Pension Plan Board | 22.5 million | 6.43% | $949.0M |
| Capital Research & Management Co. (Global Investors) | 21.9 million | 6.28% | $927.0M |
| GIC Special Investments Pte Ltd. | 16.6 million | 4.74% | $700.0M |
| MFS Investment Management Canada Ltd. | 10.9 million | 3.11% | $460.0M |
| Nordea Investment Management AB (Denmark) | 10.5 million | 3.00% | $443.0M |
| Maverick Capital Ltd. | 10.2 million | 2.92% | $431.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 341 | 277.0 million | $10.1B |
| Q1 2026 | 342 | 251.0 million | $10.4B |
| Q4 2025 | 342 | 252.0 million | $10.7B |
| Q3 2025 | 321 | 243.0 million | $11.3B |
| Q2 2025 | 331 | 263.0 million | $13.0B |
| Q1 2025 | 339 | 262.0 million | $12.4B |
| Q4 2024 | 310 | 275.0 million | $11.9B |
| Q3 2024 | 283 | 273.0 million | $10.5B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Gilbert (Mindy Beth) | May 1, 2026 | Senior Officer of Issuer | -- | – |
| Dovigi (Patrick Joseph) | Feb 2, 2026 | 10% Security Holder of Issuer | -- | – |
| Gfl Environmental Inc | Dec 31, 2025 | Issuer | Redemption, retraction, cancelation, repurchase at price 43.79 per share. | $10.9M |
| Gfl Environmental Inc | Dec 31, 2025 | Issuer | -- | – |
| Gfl Environmental Inc | Dec 29, 2025 | Issuer | Redemption, retraction, cancelation, repurchase at price 43.73 per share. | $7.7M |
| Gfl Environmental Inc | Dec 26, 2025 | Issuer | Redemption, retraction, cancelation, repurchase at price 43.33 per share. | $6.5M |
| Gfl Environmental Inc | Dec 24, 2025 | Issuer | Redemption, retraction, cancelation, repurchase at price 43.42 per share. | $6.5M |
| Gfl Environmental Inc | Dec 24, 2025 | Issuer | -- | – |
| Grahek (Elizabeth Joy) | Dec 24, 2025 | Senior Officer of Issuer | -- | – |
| Mazari (Hamzah) | Dec 24, 2025 | Senior Officer of Issuer | Acquisition in the public market at price 43.45 per share. | $74,951 |
| Gfl Environmental Inc | Dec 23, 2025 | Issuer | Redemption, retraction, cancelation, repurchase at price 43.16 per share. | $8.6M |
| Gfl Environmental Inc | Dec 22, 2025 | Issuer | Redemption, retraction, cancelation, repurchase at price 43.12 per share. | $10.8M |
Newest 12 of 73 insider transactions in the last two years.
BC Partners, Inc., with 21.96% of the company (as of September 25, 2026). Next: Capital Research & Management Co. (Global Investors) (6.63%) and Fidelity Management & Research Co. LLC (6.49%).
341 institutional holdings reports listed GFL Environmental shares in Q2 2026, 277.0 million shares in all worth $10.10 billion.
In the last two years insiders reported no sales and no purchases (73 transactions in all); the newest on file is from May 1, 2026.