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Roger Song's Stock Ratings
Jefferies Analyst
Roger Song is an analyst at Jefferies. Analyst ratings are quantitative and qualitative analysis of a stock by Wall Street stock rating analysts. Stock ratings consist of expected future growth, current stock valuation and macroeconomic trends. Updated 09/22/2025
Overall Average Return
0.70%
Smart Score
Overall Average Return Percentile
36th
Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
09/09/2025 | TRML | Tourmaline Bio | $47.75 | -0.52% | $64 → $47.5 | Downgrade | Buy → Hold | |||
09/02/2025 | UTHR | United Therapeutics | $414.73 | 35.99% | $432 → $564 | Maintains | Buy | |||
08/28/2025 | BMEA | Biomea Fusion | $2.03 | 146.31% | → $5 | Initiates | → Buy | |||
08/22/2025 | ATYR | aTyr Pharma | $1.01 | 1583.17% | $9 → $17 | Maintains | Buy | |||
08/15/2025 | MBX | MBX Biosciences | $19.58 | 83.86% | → $36 | Assumes | Buy → Buy | |||
08/05/2025 | LVTX | LAVA Therapeutics | $1.59 | -5.66% | $3 → $1.5 | Downgrade | Buy → Hold | |||
07/29/2025 | KNSA | Kiniksa Pharmaceuticals | $36.08 | 49.67% | $45 → $54 | Maintains | Buy | |||
07/22/2025 | REPL | Replimune Group | $3.28 | 82.93% | $31 → $6 | Maintains | Buy | |||
06/18/2025 | VERV | Verve Therapeutics | — | — | $28 → $11 | Downgrade | Buy → Hold | |||
06/13/2025 | CVAC | CureVac | $5.38 | -7.05% | $7 → $5 | Downgrade | Buy → Hold | |||
04/29/2025 | KNSA | Kiniksa Pharmaceuticals | $36.08 | 24.72% | $40 → $45 | Maintains | Buy | |||
04/11/2025 | NKTR | Nektar Therapeutics | $59.25 | -96.62% | $1 → $2 | Upgrade | Hold → Buy | |||
04/01/2025 | AKBA | Akebia Therapeutics | $2.80 | 114.29% | → $6 | Initiates | → Buy | |||
03/14/2025 | SANA | Sana Biotechnology | $3.27 | 114.07% | → $7 | Initiates | → Buy | |||
03/05/2025 | KRYS | Krystal Biotech | $165.42 | 48.11% | → $245 | Initiates | → Buy | |||
02/25/2025 | WVE | WAVE Life Sciences | $6.99 | 271.96% | → $26 | Initiates | → Buy | |||
01/10/2025 | IGMS | IGM Biosciences | — | — | $48 → $2 | Downgrade | Buy → Hold | |||
12/09/2024 | BIOA | Bioage Labs | $5.11 | 36.99% | $42 → $7 | Downgrade | Buy → Hold | |||
12/04/2024 | REPL | Replimune Group | $3.28 | 479.27% | $16 → $19 | Maintains | Buy | |||
11/21/2024 | KURA | Kura Oncology | $8.10 | 245.68% | $32 → $28 | Maintains | Buy | |||
11/19/2024 | ACRS | Aclaris Therapeutics | $1.88 | 272.26% | $2 → $7 | Upgrade | Hold → Buy | |||
10/23/2024 | IRON | Disc Medicine | $61.49 | 44.73% | → $89 | Initiates | → Buy | |||
10/21/2024 | BIOA | Bioage Labs | $5.11 | 721.92% | → $42 | Initiates | → Buy | |||
10/16/2024 | NVAX | Novavax | $8.88 | 181.53% | $31 → $25 | Maintains | Buy | |||
10/11/2024 | NRIX | Nurix Therapeutics | $8.43 | 386.36% | → $41 | Initiates | → Buy | |||
10/08/2024 | ZBIO | Zenas BioPharma | $18.95 | 84.7% | → $35 | Initiates | → Buy | |||
10/02/2024 | NVAX | Novavax | $8.88 | 249.1% | $31 → $31 | Maintains | Buy | |||
09/13/2024 | KNSA | Kiniksa Pharmaceuticals | $36.08 | 10.86% | → $40 | Initiates | → Buy | |||
09/05/2024 | ATYR | aTyr Pharma | $1.01 | 791.09% | → $9 | Initiates | → Buy | |||
09/03/2024 | PCVX | Vaxcyte | $33.47 | 285.42% | $108 → $129 | Maintains | Buy | |||
05/06/2024 | CTMX | CytomX Therapeutics | $2.06 | 288.35% | $2.5 → $8 | Upgrade | Hold → Buy | |||
04/17/2024 | NUVL | Nuvalent | $78.90 | 22.94% | → $97 | Initiates | → Buy | |||
03/20/2024 | TRML | Tourmaline Bio | $47.75 | 50.79% | $41 → $72 | Maintains | Buy | |||
03/07/2024 | VKTX | Viking Therapeutics | $26.20 | 319.85% | → $110 | Initiates | → Buy | |||
03/06/2024 | NKTR | Nektar Therapeutics | $59.25 | -98.31% | $0.5 → $1 | Maintains | Hold | |||
12/15/2023 | TRML | Tourmaline Bio | $47.75 | -14.14% | → $41 | Initiates | → Buy | |||
09/19/2023 | KNTE | Kinnate Biopharma | — | — | $31 → $2 | Maintains | Buy | |||
05/10/2023 | NKTR | Nektar Therapeutics | $59.25 | -98.31% | $1.5 → $1 | Upgrade | Underperform → Hold | |||
02/24/2023 | NKTR | Nektar Therapeutics | $59.25 | -97.47% | $3.2 → $1.5 | Downgrade | Hold → Underperform | |||
11/09/2022 | IGMS | IGM Biosciences | — | — | $61 → $55 | Assumes | → Buy | |||
08/31/2022 | ALT | Altimmune | $3.95 | 786.1% | $30 → $35 | Maintains | Buy | |||
07/29/2022 | PRLD | Prelude Therapeutics | $0.99 | 809.09% | → $9 | Initiates | → Buy | |||
07/07/2022 | CTMX | CytomX Therapeutics | $2.06 | -2.91% | $12 → $2 | Downgrade | Buy → Hold | |||
05/31/2022 | NKTR | Nektar Therapeutics | $59.25 | -93.25% | $12 → $4 | Assumes | → Hold | |||
02/15/2022 | KURA | Kura Oncology | $8.10 | 332.1% | → $35 | Initiates | → Buy | |||
01/11/2022 | AADI | Aadi Bioscience | — | — | → $45 | Initiates | → Buy | |||
12/01/2021 | CRVS | Corvus Pharma | $6.12 | 30.72% | → $8 | Initiates | → Buy | |||
11/12/2021 | GLYC | GlycoMimetics | — | — | $3 → $4 | Upgrade | Hold → Buy | |||
09/27/2021 | KNTE | Kinnate Biopharma | — | — | → $46 | Initiates | → Buy | |||
03/23/2021 | CTMX | CytomX Therapeutics | $2.06 | — | — | Upgrade | Hold → Buy | |||
02/08/2021 | BCEL | Atreca | — | — | → $30 | Initiates | → Buy | |||
09/08/2020 | MTEM | Molecular Templates | $0.00 | 20999900% | → $21 | Initiates | → Buy | |||
09/02/2020 | STRO | Sutro Biopharma | $0.89 | 2259.29% | → $21 | Initiates | → Buy | |||
08/09/2019 | NKTR | Nektar Therapeutics | $59.25 | — | — | Downgrade | Buy → Hold | |||
08/05/2019 | GLYC | GlycoMimetics | — | — | — | Downgrade | Buy → Hold | |||
11/08/2018 | NKTR | Nektar Therapeutics | $59.25 | 23.21% | $103 → $73 | Maintains | Buy | |||
06/05/2018 | CRVS | Corvus Pharma | $6.12 | 177.79% | → $17 | Initiates | → Buy | |||
03/18/2015 | NKTR | Nektar Therapeutics | $59.25 | -76.37% | $17 → $14 | Maintains | Buy | |||
04/21/2014 | NKTR | Nektar Therapeutics | $59.25 | -74.68% | → $15 | Initiates | → Buy | |||
11/12/2012 | NKTR | Nektar Therapeutics | $59.25 | -86.5% | $10 → $8 | Downgrade | Buy → Hold | |||
08/10/2012 | NKTR | Nektar Therapeutics | $59.25 | -83.12% | $9.5 → $10 | Maintains | Buy |
