| 2026-02-23 | Herabstufung | RBC Capital Mkts | Sector Perform → Underperform |
| 2025-12-15 | Herabstufung | BMO Capital Markets | Outperform → Market Perform |
| 2025-09-30 | Herabstufung | TD Securities | Hold → Sell |
| 2025-07-23 | Herabstufung | Wolfe Research | Outperform → Peer Perform |
| 2025-04-21 | Hochstufung | Wolfe Research | Peer Perform → Outperform |
| 2025-04-09 | Hochstufung | Raymond James | Mkt Perform → Outperform |
| 2025-03-27 | Herabstufung | Goldman | Neutral → Sell |
| 2025-01-03 | Herabstufung | Wolfe Research | Outperform → Peer Perform |
| 2024-12-19 | Herabstufung | JP Morgan | Neutral → Underweight |
| 2024-07-18 | Resumed | Wolfe Research | Outperform |
| 2023-12-08 | Hochstufung | JP Morgan | Underweight → Neutral |
| 2023-11-08 | Herabstufung | Goldman | Buy → Neutral |
| 2023-07-12 | Eingeleitet | UBS | Buy |
| 2023-04-12 | Herabstufung | RBC Capital Mkts | Outperform → Sector Perform |
| 2023-03-21 | Hochstufung | Scotiabank | Sector Perform → Sector Outperform |
| 2022-12-05 | Herabstufung | JP Morgan | Neutral → Underweight |
| 2022-10-31 | Hochstufung | BMO Capital Markets | Market Perform → Outperform |
| 2022-08-16 | Herabstufung | TD Securities | Buy → Hold |
| 2022-08-11 | Resumed | Credit Suisse | Neutral |
| 2022-02-11 | Hochstufung | Goldman | Neutral → Buy |
| 2022-01-10 | Resumed | BofA Securities | Buy |
| 2021-11-01 | Hochstufung | BMO Capital Markets | Market Perform → Outperform |
| 2021-11-01 | Hochstufung | RBC Capital Mkts | Sector Perform → Outperform |
| 2021-10-07 | Eingeleitet | Morgan Stanley | Equal-Weight |
| 2021-05-12 | Herabstufung | Goldman | Buy → Neutral |
| 2021-03-08 | Hochstufung | Goldman | Sell → Buy |
| 2021-03-02 | Hochstufung | Tudor Pickering | Sell → Hold |
| 2021-02-03 | Hochstufung | Barclays | Equal Weight → Overweight |
| 2020-12-11 | Herabstufung | Morgan Stanley | Equal-Weight → Underweight |
| 2020-11-02 | Herabstufung | Goldman | Neutral → Sell |
| 2020-11-02 | Hochstufung | JP Morgan | Underweight → Neutral |
| 2020-10-26 | Eingeleitet | CIBC | Neutral |
| 2020-09-02 | Eingeleitet | Barclays | Equal Weight |
| 2020-07-08 | Herabstufung | Morgan Stanley | Overweight → Equal-Weight |
| 2020-04-29 | Hochstufung | Citigroup | Sell → Neutral |
| 2020-04-22 | Hochstufung | Raymond James | Underperform → Mkt Perform |
| 2019-10-07 | Herabstufung | Citigroup | Neutral → Sell |
| 2019-09-26 | Herabstufung | Goldman | Buy → Neutral |
| 2019-03-14 | Hochstufung | Credit Suisse | Underperform → Neutral |
| 2019-01-28 | Eingeleitet | Credit Suisse | Underperform |
| 2019-01-04 | Hochstufung | BofA/Merrill | Neutral → Buy |
| 2018-12-10 | Herabstufung | Tudor Pickering | Buy → Hold |
| 2018-11-28 | Hochstufung | Macquarie | Underperform → Neutral |
| 2018-11-12 | Hochstufung | Barclays | Equal Weight → Overweight |
| 2018-10-19 | Hochstufung | Goldman | Sell → Buy |
| 2018-10-11 | Hochstufung | Tudor Pickering | Hold → Buy |
| 2018-10-05 | Eingeleitet | CIBC | Sector Underperform |