| 2026-04-21 | Hochstufung | RBC Capital Mkts | Underperform → Sector Perform |
| 2026-02-18 | Herabstufung | DZ Bank | Buy → Hold |
| 2026-02-17 | Herabstufung | Kepler | Buy → Hold |
| 2026-02-09 | Herabstufung | Deutsche Bank | Buy → Hold |
| 2026-01-08 | Herabstufung | BNP Paribas Exane | Outperform → Neutral |
| 2025-12-15 | Resumed | Morgan Stanley | Overweight |
| 2025-05-29 | Eingeleitet | BNP Paribas Exane | Outperform |
| 2025-02-21 | Hochstufung | DZ Bank | Hold → Buy |
| 2025-01-06 | Herabstufung | RBC Capital Mkts | Sector Perform → Underperform |
| 2024-08-22 | Hochstufung | BofA Securities | Underperform → Buy |
| 2024-07-23 | Eingeleitet | TD Cowen | Buy |
| 2024-06-07 | Hochstufung | Redburn Atlantic | Neutral → Buy |
| 2024-05-23 | Hochstufung | JP Morgan | Underweight → Overweight |
| 2024-02-27 | Herabstufung | Morgan Stanley | Equal-Weight → Underweight |
| 2023-12-11 | Hochstufung | Bernstein | Underperform → Mkt Perform |
| 2023-12-11 | Herabstufung | Jefferies | Buy → Underperform |
| 2023-11-09 | Hochstufung | Barclays | Equal Weight → Overweight |
| 2023-10-11 | Resumed | BofA Securities | Underperform |
| 2022-12-05 | Herabstufung | Bernstein | Outperform → Mkt Perform |
| 2022-09-29 | Eingeleitet | Morgan Stanley | Equal-Weight |
| 2022-09-26 | Hochstufung | Berenberg | Hold → Buy |
| 2022-07-26 | Hochstufung | Deutsche Bank | Hold → Buy |
| 2022-07-22 | Hochstufung | Bernstein | Mkt Perform → Outperform |
| 2022-05-16 | Herabstufung | Societe Generale | Buy → Sell |
| 2022-03-14 | Hochstufung | Bernstein | Underperform → Mkt Perform |
| 2022-02-25 | Resumed | Goldman | Neutral |
| 2022-02-15 | Hochstufung | RBC Capital Mkts | Underperform → Sector Perform |
| 2022-02-03 | Resumed | Credit Suisse | Outperform |
| 2022-01-19 | Hochstufung | Societe Generale | Sell → Buy |
| 2022-01-18 | Herabstufung | Bernstein | Mkt Perform → Underperform |
| 2021-11-01 | Hochstufung | Bernstein | Underperform → Mkt Perform |
| 2021-09-02 | Herabstufung | JP Morgan | Neutral → Underweight |
| 2021-04-08 | Herabstufung | Societe Generale | Buy → Sell |
| 2020-06-29 | Herabstufung | UBS | Neutral → Sell |
| 2020-04-28 | Herabstufung | DZ Bank | Buy → Hold |
| 2020-04-07 | Herabstufung | Morgan Stanley | Overweight → Underweight |
| 2020-04-02 | Hochstufung | Barclays | Underweight → Equal Weight |
| 2019-09-03 | Hochstufung | Goldman | Neutral → Buy |
| 2019-06-28 | Eingeleitet | HSBC Securities | Hold |
| 2019-01-08 | Herabstufung | UBS | Buy → Neutral |
| 2018-12-10 | Herabstufung | JP Morgan | Neutral → Underweight |
| 2017-11-17 | Eingeleitet | Argus | Hold |
| 2017-03-27 | Resumed | Liberum | Hold |
| 2017-03-17 | Eingeleitet | Macquarie | Outperform |
| 2017-02-27 | Hochstufung | BofA/Merrill | Underperform → Neutral |
| 2016-12-13 | Hochstufung | Jefferies | Hold → Buy |
| 2016-12-07 | Herabstufung | JP Morgan | Overweight → Neutral |
| 2016-07-22 | Herabstufung | RBC Capital Mkts | Outperform → Sector Perform |
| 2016-04-18 | Herabstufung | Numis | Add → Hold |
| 2016-01-12 | Hochstufung | JP Morgan | Underweight → Overweight |
| 2014-01-22 | Hochstufung | RBC Capital Mkts | Underperform → Sector Perform |
| 2010-03-26 | Herabstufung | HSBC Securities | Overweight → Neutral |
| 2009-10-19 | Hochstufung | UBS | Sell → Neutral |