NASDAQ : MRSN
$0 (0.0%)
| Source | Headline |
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Last Month
Last Quarter
Last Year
All Time
| Date | Analyst Firm | Action | Previous Grade | New Grade |
|---|---|---|---|---|
| 2025-11-14 | Guggenheim | Downgrade | Buy | Neutral |
| 2025-11-13 | Truist Securities | Downgrade | Buy | Hold |
| 2025-11-13 | BTIG | Downgrade | Buy | Neutral |
| 2025-08-14 | Guggenheim | Maintain | Buy | Buy |
| 2025-08-14 | Truist Securities | Maintain | Buy | Buy |
| 2025-05-16 | Guggenheim | Maintain | Buy | Buy |
| 2025-05-16 | Truist Securities | Maintain | Buy | Buy |
| 2024-08-27 | Citigroup | Maintain | Buy | Buy |
| 2024-08-14 | Baird | Maintain | Neutral | Neutral |
| 2024-03-19 | JP Morgan | Upgrade | Underweight | Neutral |
| 2024-02-29 | Truist Securities | Upgrade | Hold | Buy |
| 2024-02-29 | Guggenheim | Upgrade | Neutral | Buy |
| 2024-02-29 | Wedbush | Upgrade | Neutral | Outperform |
| 2024-02-29 | Baird | Maintain | Neutral | Neutral |
| 2023-12-04 | Citigroup | Upgrade | Neutral | Buy |
| 2023-08-07 | Cantor Fitzgerald | Maintain | Overweight | Overweight |
| 2023-08-07 | HC Wainwright & Co. | Maintain | Buy | Buy |
| 2023-08-07 | Credit Suisse | Maintain | Outperform | Outperform |
| 2023-07-30 | HC Wainwright & Co. | Maintain | Buy | Buy |
| 2023-07-28 | Citigroup | Downgrade | Buy | Neutral |
| 2023-07-28 | Baird | Downgrade | Outperform | Neutral |
| 2023-07-27 | Truist Securities | Downgrade | Buy | Hold |
| 2023-07-27 | Wedbush | Downgrade | Outperform | Neutral |
| 2023-06-25 | Needham | Maintain | Buy | Buy |
| 2023-06-16 | JP Morgan | Downgrade | Overweight | Neutral |
| 2023-06-16 | Citigroup | Maintain | Buy | Buy |
| 2023-06-07 | HC Wainwright & Co. | Maintain | Buy | Buy |
| 2023-05-22 | Cantor Fitzgerald | Maintain | Overweight | Overweight |
| 2023-05-11 | Citigroup | Maintain | Buy | Buy |
| 2023-05-05 | Credit Suisse | Maintain | Outperform | Outperform |
| 2023-05-05 | Needham | Maintain | Buy | Buy |
| 2023-05-05 | HC Wainwright & Co. | Maintain | Buy | Buy |
| 2023-04-30 | B of A Securities | Upgrade | Underperform | Neutral |
| 2023-03-16 | JP Morgan | Upgrade | Neutral | Overweight |
| 2023-03-16 | Needham | Maintain | Buy | Buy |
| 2023-03-07 | Needham | Maintain | Buy | Buy |
| 2023-03-07 | Cantor Fitzgerald | Maintain | Overweight | Overweight |
| 2023-03-06 | Wedbush | Maintain | Outperform | Outperform |
| 2023-03-06 | Credit Suisse | Maintain | Outperform | Outperform |
| 2023-01-10 | Credit Suisse | Maintain | Outperform | Outperform |
| 2022-12-04 | HC Wainwright & Co. | Maintain | Buy | Buy |
| 2022-11-21 | Truist Securities | Maintain | Buy | Buy |
| 2022-11-14 | Credit Suisse | Maintain | Outperform | Outperform |
| 2022-11-13 | Needham | Maintain | Buy | Buy |
| 2022-08-09 | SVB Leerink | Maintain | Outperform | Outperform |
| 2022-08-09 | Baird | Maintain | Outperform | Outperform |
| 2022-08-07 | Needham | Maintain | Buy | Buy |
| 2022-05-25 | Cantor Fitzgerald | Maintain | Overweight | Overweight |
| 2022-05-09 | SVB Leerink | Maintain | Outperform | Outperform |
| 2022-03-15 | B of A Securities | Maintain | Buy | Buy |
| 2022-02-18 | SVB Leerink | Maintain | Outperform | Outperform |
| 2021-11-21 | JP Morgan | Upgrade | Neutral | Overweight |
| 2021-08-30 | HC Wainwright & Co. | Maintain | Buy | Buy |
| 2021-05-18 | UBS | Maintain | Neutral | Neutral |
| 2021-05-09 | Wedbush | Upgrade | Neutral | Outperform |
| 2021-03-31 | Credit Suisse | Maintain | Neutral | Neutral |
| 2021-03-10 | Canaccord Genuity | Maintain | Buy | Buy |
| 2021-03-09 | Credit Suisse | Maintain | Outperform | Outperform |
| 2021-02-09 | Wedbush | Downgrade | Outperform | Neutral |
| 2021-01-13 | Needham | Maintain | Buy | Buy |
| 2020-12-27 | Canaccord Genuity | Maintain | Buy | Buy |
| 2020-12-10 | Needham | Maintain | Buy | Buy |
| 2020-12-03 | Stifel | Maintain | Buy | Buy |
| 2020-11-12 | Credit Suisse | Maintain | Outperform | Outperform |
| 2020-11-12 | Canaccord Genuity | Maintain | Buy | Buy |
| 2020-11-09 | SVB Leerink | Maintain | Outperform | Outperform |
| 2020-05-28 | Baird | Maintain | Outperform | Outperform |
| 2020-05-27 | H.C. Wainwright | Maintain | Buy | Buy |
| 2020-05-27 | SVB Leerink | Maintain | Outperform | Outperform |
| 2020-04-29 | BTIG | Maintain | Buy | Buy |
| 2019-12-18 | Wedbush | Maintain | Outperform | Outperform |
| 2019-12-02 | JP Morgan | Maintain | Overweight | Overweight |
| 2019-11-12 | BTIG | Maintain | Neutral | Neutral |
| 2019-10-25 | H.C. Wainwright | Maintain | Buy | Buy |
| 2019-07-15 | JP Morgan | Maintain | Overweight | Overweight |
| 2019-07-15 | Canaccord Genuity | Maintain | Buy | Buy |
| 2019-07-15 | Cowen & Co. | Maintain | Outperform | Outperform |
| 2019-07-15 | Credit Suisse | Maintain | Outperform | Outperform |
| 2019-03-11 | JP Morgan | Downgrade | Neutral | Underweight |
| 2018-07-20 | Leerink Swann | Downgrade | Overweight | Market Perform |
| 2018-05-08 | Baird | Maintain | Outperform | Outperform |
| 2018-03-19 | JP Morgan | Downgrade | Overweight | Neutral |
| 2018-03-19 | JP Morgan | Maintain | Neutral | Neutral |
| 2018-02-15 | H.C. Wainwright | Maintain | Buy | Buy |
| 2017-07-24 | Leerink Swann | Maintain | Overweight | Overweight |
| 2017-07-24 | Wedbush | Maintain | Outperform | Outperform |
| 2017-07-24 | Cowen & Co. | Maintain | Outperform | Outperform |
| 2017-07-24 | JP Morgan | Maintain | Overweight | Overweight |