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Ratings by Jefferies (Michael Yee)

Date CompanySymbol Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
2/19/2024 Iovanace Biotherapeutics IOVA Maintain Buy
(N/A)
 
 
  Details
2/14/2024 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
2/5/2024 Amgen AMGN Maintain Buy
(Buy)
 
 
  Details
1/26/2024 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
1/3/2024 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
12/22/2023 LianBio LIAN Downgrade Hold
(Buy)
4.36
(4.84)
11.01% Details
12/8/2023 ALX Oncology ALXO Upgrade Buy
(Hold)
8.43
(14.67)
74.02% Details
12/8/2023 Beam Therapeutics Inc BEAM Downgrade Hold
(Buy)
28.67
(39.49)
37.74% Details
12/5/2023 Cargo Therapeutics CRGX New Coverage Buy
(N/A)
16.29
(24.18)
48.43% Details
11/8/2023 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
11/3/2023 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
10/25/2023 Amarin Corporation AMRN Downgrade Hold
(Buy)
0.74
(1.07)
44.59% Details
10/25/2023 Scholar Rock SRRK Upgrade Buy
(Hold)
7.53
(15.50)
105.84% Details
10/10/2023 RayzeBio RYZB New Coverage Buy
(N/A)
20.59
(62.49)
203.5% Details
8/14/2023 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
8/14/2023 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
8/4/2023 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
7/24/2023 Kodiak Sciences Inc. KOD Downgrade Hold
(Buy)
7.29
(6.01)
-17.56% Details
7/13/2023 Scholar Rock SRRK Maintain Hold
(N/A)
 
 
  Details
7/7/2023 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
5/10/2023 Prometheus Biosciences Inc RXDX Downgrade Hold
(Buy)
194.22
(199.92)
2.93% Details
4/4/2023 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
2/8/2023 Exelixis EXEL Maintain Buy
(N/A)
 
 
  Details
1/6/2023 Aligos Therapeutics Inc. ALGS Upgrade Buy
(Hold)
0.94
(0.99)
5.32% Details
1/6/2023 Nuvation Bio Inc NUVB Downgrade Hold
(Buy)
2.09
(1.87)
-10.53% Details
1/6/2023 Amarin Corporation AMRN Upgrade Buy
(Hold)
1.24
(1.07)
-13.71% Details
12/19/2022 Moderna MRNA Upgrade Buy
(Hold)
207.25
(92.24)
-55.49% Details
11/30/2022 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
11/8/2022 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
11/1/2022 Zai Lab ZLAB Maintain Buy
(N/A)
 
 
  Details
10/28/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
10/25/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
10/17/2022 Prothena Corp PRTA Maintain Buy
(N/A)
 
 
  Details
10/4/2022 Akero Therapeutics AKRO Maintain Buy
(N/A)
 
 
  Details
9/19/2022 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
9/12/2022 Ventyx Biosciences Inc VTYX Maintain Buy
(N/A)
 
 
  Details
8/31/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
8/31/2022 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
8/23/2022 Inhibrx Inc. INBX Maintain Buy
(N/A)
 
 
  Details
6/15/2022 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
5/12/2022 Immunocore Holdings IMCR Maintain Buy
(N/A)
 
 
  Details
5/6/2022 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
4/28/2022 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
4/18/2022 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
4/18/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
4/18/2022 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
3/30/2022 Ventyx Biosciences Inc VTYX Maintain Buy
(Buy)
 
 
  Details
3/17/2022 Exelixis EXEL Maintain Buy
(N/A)
 
 
  Details
3/17/2022 Prothena Corp PRTA Maintain Buy
(N/A)
 
 
  Details
3/10/2022 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
3/2/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
2/25/2022 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
2/18/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
2/9/2022 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
2/2/2022 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
1/27/2022 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
1/6/2022 Aligos Therapeutics Inc. ALGS Downgrade Hold
(Buy)
10.61
(0.99)
-90.67% Details
1/4/2022 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
12/22/2021 Scholar Rock SRRK Downgrade Hold
(Buy)
26.17
(15.50)
-40.77% Details
12/22/2021 Adagio ADGI Downgrade Hold
(Buy)
10.00
(4.64)
-53.6% Details
12/22/2021 ALX Oncology ALXO Downgrade Hold
(Buy)
22.52
(14.67)
-34.86% Details
12/15/2021 Immunocore Holdings IMCR Maintain Buy
(N/A)
 
 
  Details
12/14/2021 Olema Pharmaceuticals OLMA Maintain Buy
(N/A)
 
 
  Details
12/1/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
11/26/2021 LianBio LIAN New Coverage Buy
(N/A)
14.14
(4.84)
-65.77% Details
11/15/2021 Ventyx Biosciences Inc VTYX New Coverage Buy
(N/A)
23.07
(7.08)
-69.31% Details
11/5/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
11/3/2021 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
11/3/2021 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
11/3/2021 Exelixis EXEL New Coverage Buy
(N/A)
21.70
(21.90)
0.92% Details
10/22/2021 Metacrine Inc. MTCR Downgrade Hold
(Buy)
3.83
(0.49)
-87.21% Details
10/21/2021 Zai Lab ZLAB Maintain Buy
(N/A)
 
 
  Details
10/15/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
10/13/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
10/8/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
9/23/2021 Zai Lab ZLAB Maintain Buy
(N/A)
 
 
  Details
9/22/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
9/10/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
9/7/2021 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
8/31/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
8/31/2021 Adagio ADGI New Coverage Buy
(N/A)
30.38
(4.64)
-84.73% Details
8/24/2021 Immuneering Corporation IMRX New Coverage Buy
(N/A)
30.43
(6.20)
-79.63% Details
8/11/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
8/9/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
8/6/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
7/26/2021 Zai Lab ZLAB Maintain Buy
(N/A)
 
 
  Details
7/15/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
7/7/2021 Zai Lab ZLAB Maintain Buy
(N/A)
 
 
  Details
6/23/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
6/21/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
6/16/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
6/14/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
6/11/2021 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
6/8/2021 Prothena Corp PRTA Maintain Buy
(N/A)
 
 
  Details
6/8/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
6/4/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
5/28/2021 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
5/18/2021 ALX Oncology ALXO Maintain Buy
(N/A)
 
 
  Details
5/7/2021 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
4/30/2021 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
4/29/2021 Kodiak Sciences Inc. KOD Maintain Buy
(N/A)
 
 
  Details
4/26/2021 Fate Therapeutics FATE New Coverage Buy
(N/A)
85.34
(7.09)
-91.69% Details
4/20/2021 Nuvation Bio Inc NUVB Maintain Buy
(N/A)
 
 
  Details
4/19/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
4/12/2021 Immunocore Holdings IMCR Maintain Buy
(N/A)
 
 
  Details
3/24/2021 Zai Lab ZLAB Maintain Buy
(N/A)
 
 
  Details
3/23/2021 Akero Therapeutics AKRO Maintain Buy
(N/A)
 
 
  Details
3/22/2021 Odonate Therapeutics ODT Downgrade Hold
(Buy)
19.03
(1.12)
-94.11% Details
3/18/2021 Olema Pharmaceuticals OLMA Maintain Buy
(N/A)
 
 
  Details
3/16/2021 Beam Inc BEAM Maintain Buy
(N/A)
 
 
  Details
3/16/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
3/15/2021 Prothena Corp PRTA Maintain Buy
(N/A)
 
 
  Details
3/8/2021 Nuvation Bio Inc NUVB New Coverage Buy
(N/A)
10.50
(1.87)
-82.19% Details
3/2/2021 Morphic Therapeutic MORF Maintain Buy
(N/A)
 
 
  Details
3/2/2021 Immunocore Holdings IMCR New Coverage Buy
(N/A)
48.36
(67.22)
39% Details
3/2/2021 FibroGen FGEN Downgrade Hold
(Buy)
50.03
(1.71)
-96.58% Details
2/18/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
2/12/2021 Esperion Therapeutics ESPR Downgrade Hold
(Buy)
30.74
(2.51)
-91.83% Details
2/8/2021 Zai Lab ZLAB New Coverage Buy
(N/A)
177.52
(20.98)
-88.18% Details
2/5/2021 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
2/3/2021 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
1/25/2021 Biogen BIIB Maintain Buy
(N/A)
 
 
  Details
1/14/2021 Moderna MRNA Maintain Hold
(N/A)
 
 
  Details
1/14/2021 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
1/6/2021 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
12/29/2020 Sigilon Therapeutics SGTX New Coverage Buy
(N/A)
41.20
(22.47)
-45.46% Details
12/21/2020 Esperion Therapeutics ESPR Maintain Buy
(N/A)
 
 
  Details
12/21/2020 Cerevel Therapeutics CERE Maintain Buy
(N/A)
 
 
  Details
12/21/2020 Assembly Biosciences ASMB Maintain Hold
(N/A)
 
 
  Details
12/21/2020 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
12/21/2020 ALX Oncology ALXO Maintain Buy
(N/A)
 
 
  Details
12/16/2020 Moderna MRNA Downgrade Hold
(Buy)
155.07
(92.24)
-40.52% Details
12/14/2020 Olema pharmaceuticals OLMA New Coverage Buy
(N/A)
45.73
(12.40)
-72.88% Details
11/23/2020 Ceres CERE New Coverage Buy
(N/A)
13.65
(41.00)
200.37% Details
11/10/2020 Kodiak Sciences Inc. KOD Maintain Buy
(N/A)
 
 
  Details
11/6/2020 Assembly Biosciences ASMB Downgrade Hold
(Buy)
16.04
(12.79)
-20.26% Details
11/4/2020 Biogen BIIB Upgrade Buy
(Hold)
247.01
(216.99)
-12.15% Details
11/3/2020 Kronos Bio Inc. KRON New Coverage Buy
(N/A)
28.09
(1.04)
-96.3% Details
10/29/2020 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
10/26/2020 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
10/12/2020 Metacrine Inc. MTCR New Coverage Buy
(N/A)
9.96
(0.49)
-95.08% Details
10/2/2020 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
10/2/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
9/14/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
9/3/2020 Amarin Corporation AMRN Maintain Hold
(N/A)
 
 
  Details
8/27/2020 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
8/19/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
8/12/2020 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
8/11/2020 ALX Oncology ALXO Maintain Buy
(N/A)
 
 
  Details
8/10/2020 Denali Therapeutics Inc. DNLI Maintain Buy
(N/A)
 
 
  Details
8/3/2020 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
7/29/2020 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
7/22/2020 Moderna MRNA Maintain Buy
(N/A)
 
 
  Details
7/21/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
7/14/2020 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
7/13/2020 Moderna MRNA New Coverage Buy
(N/A)
64.97
(92.24)
41.97% Details
7/1/2020 Akero Therapeutics AKRO Maintain Buy
(N/A)
 
 
  Details
6/25/2020 Intercept Pharmaceuticals ICPT Maintain Buy
(N/A)
 
 
  Details
6/8/2020 Amarin Corporation AMRN Maintain Hold
(N/A)
 
 
  Details
5/7/2020 Esperion Therapeutics ESPR Maintain Buy
(N/A)
 
 
  Details
5/6/2020 Acorda Therapeutics, Inc. ACOR Maintain Hold
(N/A)
 
 
  Details
5/1/2020 Gilead Sciences GILD Maintain Neutral
(N/A)
 
 
  Details
4/30/2020 Amarin Corporation AMRN Maintain Hold
(N/A)
 
 
  Details
4/14/2020 Amarin Corporation AMRN Maintain Hold
(N/A)
 
 
  Details
4/13/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
4/6/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
4/3/2020 Amarin Corporation AMRN Maintain Hold
(N/A)
 
 
  Details
4/2/2020 Amarin Corporation AMRN Maintain Hold
(N/A)
 
 
  Details
3/31/2020 Amarin Corporation AMRN Downgrade Hold
(Buy)
13.24
(1.07)
-91.92% Details
3/20/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
3/2/2020 Schrodinger SDGR New Coverage Hold
(N/A)
46.38
(56.72)
22.29% Details
3/2/2020 Beam Inc BEAM New Coverage Buy
(N/A)
22.93
(39.49)
72.22% Details
2/24/2020 Denali Therapeutics Inc. DNLI New Coverage Buy
(N/A)
24.77
(19.78)
-20.15% Details
2/5/2020 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
1/16/2020 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
1/14/2020 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
12/16/2019 Epizyme EPZM Maintain Buy
(N/A)
 
 
  Details
11/29/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
10/29/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
10/22/2019 Biogen BIIB Maintain Hold
(N/A)
 
 
  Details
9/12/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
9/3/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
8/22/2019 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
8/20/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
7/15/2019 Akero Therapeutics AKRO New Coverage Buy
(N/A)
18.37
(26.99)
46.92% Details
7/9/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
7/2/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
6/20/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
4/24/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
4/1/2019 Amgen AMGN Maintain Buy
(N/A)
 
 
  Details
3/6/2019 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
2/28/2019 Celgene CELG Maintain Hold
(N/A)
 
 
  Details
2/27/2019 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
2/26/2019 Spark Therapeutics ONCE Downgrade Hold
(Buy)
51.56
(110.05)
113.44% Details
2/1/2019 Vertex VRTX Maintain Buy
(N/A)
 
 
  Details
2/1/2019 Celgene CELG Downgrade Hold
(Buy)
88.06
(108.24)
22.92% Details
12/20/2018 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
12/17/2018 Axovant Sciences AXON Upgrade Buy
(Hold)
1.13
(307.37)
27100.88% Details
11/8/2018 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
9/12/2018 Gilead Sciences GILD Maintain Buy
(N/A)
 
 
  Details
8/13/2018 Rubius RUBY New Coverage Buy
(N/A)
21.93
(0.08)
-99.64% Details