Ratings by B.Riley (Mayank Mamtani)

Date CompanySymbol Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
3/4/2026 Theravance Biopharma TBPH Downgrade Neutral
(Buy)
18.95
(13.57)
-28.39% Details
2/23/2026 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
2/20/2026 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
2/4/2026 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
2/4/2026 Syndax Pharmaceuticals SNDX Maintain Buy
(N/A)
 
 
  Details
2/4/2026 Nuvation Bio Inc NUVB Maintain Buy
(N/A)
 
 
  Details
2/4/2026 Madrigal Pharmaceuticals MDGL Maintain Buy
(N/A)
 
 
  Details
2/4/2026 Harrow Health HROW Maintain Buy
(N/A)
 
 
  Details
2/4/2026 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
1/21/2026 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
1/7/2026 Zymeworks ZYME Maintain Buy
(N/A)
 
 
  Details
12/11/2025 Madrigal Pharmaceuticals MDGL Maintain Buy
(N/A)
 
 
  Details
12/10/2025 Opus Genetics IRD New Coverage Buy
(N/A)
2.29
(4.89)
113.54% Details
12/1/2025 Centessa Pharmaceuticals CNTA Maintain Buy
(N/A)
 
 
  Details
11/25/2025 PDS Biotechnology Corp PDSB Maintain Buy
(N/A)
 
 
  Details
11/21/2025 Zymeworks ZYME Maintain Buy
(N/A)
 
 
  Details
11/21/2025 Cognition Therapeutics CGTX Maintain Buy
(N/A)
 
 
  Details
11/19/2025 Nuvation Bio Inc NUVB New Coverage Buy
(N/A)
4.67
(4.59)
-1.71% Details
11/10/2025 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
11/10/2025 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
10/10/2025 Zymeworks ZYME New Coverage Buy
(N/A)
16.68
(24.08)
44.36% Details
10/1/2025 Harrow Health HROW Maintain Buy
(N/A)
 
 
  Details
9/29/2025 Madrigal Pharmaceuticals MDGL Maintain Buy
(N/A)
 
 
  Details
9/23/2025 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
9/23/2025 Harrow Health HROW Maintain Buy
(N/A)
 
 
  Details
9/22/2025 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
9/17/2025 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
9/12/2025 Theravance Biopharma TBPH New Coverage Buy
(N/A)
13.64
(18.95)
38.93% Details
8/26/2025 Actuate Therapeutics ACTU New Coverage Buy
(N/A)
8.36
(2.86)
-65.79% Details
8/14/2025 Trevi Therapeutics TRVI Maintain Buy
(N/A)
 
 
  Details
8/6/2025 Syndax Pharmaceuticals SNDX New Coverage Buy
(N/A)
12.57
(22.07)
75.58% Details
5/21/2025 Trevi Therapeutics TRVI Maintain Buy
(N/A)
 
 
  Details
5/20/2025 MacroGenics MGNX Maintain Neutral
(N/A)
 
 
  Details
5/2/2025 Madrigal Pharmaceuticals MDGL Maintain Buy
(N/A)
 
 
  Details
4/25/2025 PDS Biotechnology Corp PDSB Maintain Buy
(N/A)
 
 
  Details
4/24/2025 Viking Therapeutic VKTX Maintain Buy
(N/A)
 
 
  Details
3/27/2025 Vaxart Inc. VXRT Maintain Buy
(N/A)
 
 
  Details
3/19/2025 Trevi Therapeutics TRVI Maintain Buy
(N/A)
 
 
  Details
3/14/2025 Lineage Cell Therapeutics Inc. LCTX Maintain Buy
(N/A)
 
 
  Details
3/4/2025 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
2/27/2025 Madrigal Pharmaceuticals MDGL Upgrade Buy
(Neutral)
355.88
(432.83)
21.62% Details
2/7/2025 Viking Therapeutic VKTX Maintain Buy
(N/A)
 
 
  Details
2/6/2025 Cognition Therapeutics CGTX Maintain Buy
(N/A)
 
 
  Details
1/8/2025 Trevi Therapeutics TRVI Maintain Buy
(N/A)
 
 
  Details
1/7/2025 Nektar Therapeutics NKTR New Coverage Buy
(N/A)
1.17
(70.70)
5942.74% Details
12/19/2024 Cognition Therapeutics CGTX Upgrade Buy
(Neutral)
0.58
(1.03)
77.59% Details
11/25/2024 PDS Biotechnology Corp PDSB Maintain Buy
(N/A)
 
 
  Details
11/22/2024 Viking Therapeutic VKTX New Coverage Buy
(N/A)
51.53
(32.98)
-36% Details
11/18/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
11/5/2024 Madrigal Pharmaceuticals MDGL Maintain Neutral
(N/A)
 
 
  Details
10/25/2024 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
10/10/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
10/4/2024 Trevi Therapeutics TRVI Maintain Buy
(N/A)
 
 
  Details
10/1/2024 Gritstone bio GRTS Downgrade Neutral
(Buy)
0.58
(0.03)
-94.83% Details
8/8/2024 Madrigal Pharmaceuticals MDGL Maintain Neutral
(N/A)
 
 
  Details
8/7/2024 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
8/6/2024 Cognition Therapeutics CGTX Downgrade Neutral
(Buy)
0.66
(1.03)
56.06% Details
8/2/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
7/31/2024 MacroGenics MGNX Downgrade Neutral
(Buy)
5.47
(2.23)
-59.23% Details
6/14/2024 Vaxart Inc. VXRT Maintain Buy
(N/A)
 
 
  Details
6/12/2024 PDS Biotechnology Corp PDSB Maintain Buy
(N/A)
 
 
  Details
6/4/2024 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
5/24/2024 Gritstone bio GRTS Maintain Buy
(N/A)
 
 
  Details
5/23/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
5/10/2024 Madrigal Pharmaceuticals MDGL Maintain Neutral
(N/A)
 
 
  Details
4/26/2024 MacroGenics MGNX New Coverage Buy
(N/A)
15.70
(5.47)
-65.16% Details
3/28/2024 PDS Biotechnology Corp PDSB Maintain Buy
(N/A)
 
 
  Details
3/15/2024 Madrigal Pharmaceuticals MDGL Upgrade Neutral
(Sell)
272.98
(432.83)
58.56% Details
2/26/2024 Madrigal Pharmaceuticals MDGL Downgrade Sell
(Neutral)
236.54
(432.83)
82.98% Details
2/23/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
2/13/2024 CymaBay Therapeutic CBAY Downgrade Neutral
(Buy)
25.69
(32.48)
26.43% Details
2/5/2024 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
2/2/2024 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
1/31/2024 Vaxart Inc. VXRT Upgrade Buy
(Neutral)
0.98
(0.32)
-67.35% Details
1/8/2024 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
12/27/2023 Cytokinetics CYTK Maintain Buy
(N/A)
 
 
  Details
12/19/2023 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
12/7/2023 Gritstone Oncology GRTS Maintain Buy
(N/A)
 
 
  Details
11/10/2023 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
11/7/2023 Cytokinetics CYTK New Coverage Buy
(N/A)
36.32
(60.41)
66.33% Details
10/20/2023 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
10/13/2023 Scilex Holding Co. SCLX New Coverage Buy
(N/A)
1.94
(8.48)
337.11% Details
10/10/2023 Madrigal Pharmaceuticals MDGL Maintain Neutral
(N/A)
 
 
  Details
9/8/2023 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
8/9/2023 Novavax NVAX Upgrade Buy
(Neutral)
7.23
(9.98)
38.04% Details
8/3/2023 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
7/31/2023 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
5/17/2023 X4 Pharmaceuticals XFOR Maintain Buy
(N/A)
 
 
  Details
5/8/2023 Spectrum Pharmaceuticals SPPI Maintain Buy
(N/A)
 
 
  Details
5/1/2023 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
4/10/2023 X4 Pharmaceuticals XFOR Maintain Buy
(N/A)
 
 
  Details
3/28/2023 Gritstone Oncology GRTS New Coverage Buy
(N/A)
2.47
(0.03)
-98.79% Details
3/1/2023 Novavax NVAX Downgrade Neutral
(Buy)
9.26
(9.98)
7.78% Details
2/17/2023 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
1/25/2023 Cassava Sciences SAVA Maintain Neutral
(N/A)
 
 
  Details
1/9/2023 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
12/30/2022 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
12/19/2022 Madrigal Pharmaceuticals MDGL Maintain Neutral
(N/A)
 
 
  Details
12/19/2022 Vaxart Inc. VXRT Maintain Neutral
(N/A)
 
 
  Details
11/16/2022 Spectrum Pharmaceuticals SPPI Downgrade Neutral
(Buy)
0.52
(1.03)
98.08% Details
11/10/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
10/14/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
9/23/2022 Spectrum Pharmaceuticals SPPI Maintain Buy
(N/A)
 
 
  Details
8/19/2022 Gain Therapeutics GANX Downgrade Neutral
(Buy)
3.95
(3.05)
-22.78% Details
8/11/2022 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
7/25/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
7/22/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
7/8/2022 Madrigal Pharmaceuticals MDGL Downgrade Neutral
(Buy)
76.62
(432.83)
464.9% Details
6/14/2022 Lineage Cell Therapeutics Inc. LCTX New Coverage Buy
(N/A)
1.30
(1.85)
42.31% Details
6/13/2022 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
5/19/2022 Vaxart Inc. VXRT Maintain Neutral
(N/A)
 
 
  Details
5/19/2022 X4 Pharmaceuticals XFOR Maintain Buy
(N/A)
 
 
  Details
5/18/2022 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
5/10/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
5/6/2022 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
4/26/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
4/19/2022 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
3/29/2022 TFF Parmaceuticals TFFP Maintain Buy
(N/A)
 
 
  Details
3/29/2022 Gain Therapeutics GANX Maintain Buy
(N/A)
 
 
  Details
3/23/2022 Frequency Therapeutics FREQ Maintain Buy
(N/A)
 
 
  Details
3/21/2022 Allena Pharmaceuticals ALNA Downgrade Neutral
(Buy)
0.48
(0.08)
-83.33% Details
3/18/2022 Spectrum Pharmaceuticals SPPI Maintain Buy
(N/A)
 
 
  Details
3/18/2022 Heat Biologics HTBX Maintain Buy
(N/A)
 
 
  Details
3/14/2022 Seelos Therapeutics SEEL Maintain Buy
(N/A)
 
 
  Details
3/11/2022 Seelos Therapeutics SEEL Maintain Buy
(N/A)
 
 
  Details
3/4/2022 Vaxart Inc. VXRT New Coverage Neutral
(N/A)
4.69
(0.32)
-93.18% Details
3/1/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
2/23/2022 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
2/23/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
1/24/2022 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
1/24/2022 Heat Biologics HTBX Maintain Buy
(N/A)
 
 
  Details
1/24/2022 Frequency Therapeutics FREQ Maintain Buy
(N/A)
 
 
  Details
1/24/2022 Eloxx Pharma ELOX Maintain Buy
(N/A)
 
 
  Details
1/24/2022 Allena Pharmaceuticals ALNA Maintain Buy
(N/A)
 
 
  Details
1/11/2022 Madrigal Pharmaceuticals MDGL Maintain Buy
(N/A)
 
 
  Details
1/3/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
12/15/2021 X4 Pharmaceuticals XFOR Maintain Buy
(N/A)
 
 
  Details
12/7/2021 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
11/30/2021 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
11/18/2021 Dicerna Pharmaceuticals DRNA Downgrade Neutral
(Buy)
21.28
(38.22)
79.61% Details
11/3/2021 Gain Therapeutics GANX New Coverage Buy
(N/A)
7.04
(3.05)
-56.68% Details
9/22/2021 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
9/7/2021 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
8/16/2021 TFF Parmaceuticals TFFP Maintain Buy
(N/A)
 
 
  Details
8/13/2021 TFF Parmaceuticals TFFP Maintain Buy
(N/A)
 
 
  Details
8/11/2021 Arcturus Therapeutics ARCT Maintain Sell
(N/A)
 
 
  Details
8/10/2021 Dicerna Pharmaceuticals DRNA Maintain Buy
(N/A)
 
 
  Details
8/3/2021 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
8/3/2021 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
6/29/2021 Vaxart Inc. VXRT Downgrade Neutral
(Buy)
8.73
(0.32)
-96.33% Details
6/23/2021 Cassava Sciences SAVA Maintain Buy
(N/A)
 
 
  Details
6/17/2021 TFF Parmaceuticals TFFP Maintain Buy
(N/A)
 
 
  Details
5/27/2021 Eloxx Pharma ELOX New Coverage Buy
(N/A)
1.39
(0.00)
-100% Details
5/17/2021 Frequency Therapeutics FREQ Maintain Buy
(N/A)
 
 
  Details
5/14/2021 Frequency Therapeutics FREQ Maintain Buy
(N/A)
 
 
  Details
4/16/2021 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
3/26/2021 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
3/9/2021 Arbutus Biopharma ABUS Maintain Buy
(N/A)
 
 
  Details
2/17/2021 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
2/17/2021 Arcturus Therapeutics ARCT Downgrade Sell
(Neutral)
68.94
(7.11)
-89.69% Details
2/8/2021 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
2/5/2021 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
12/28/2020 Heat Biologics HTBX New Coverage Buy
(N/A)
5.85
(2.83)
-51.62% Details
12/11/2020 NGM Biopharmaceuticals NGM Maintain Buy
(N/A)
 
 
  Details
10/7/2020 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
10/1/2020 Allena Pharmaceuticals ALNA Maintain Buy
(N/A)
 
 
  Details
9/9/2020 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
8/4/2020 CymaBay Therapeutic CBAY Maintain Buy
(N/A)
 
 
  Details
7/27/2020 Arbutus Biopharma ABUS Maintain Buy
(N/A)
 
 
  Details
7/16/2020 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
6/29/2020 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
5/27/2020 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
5/22/2020 Galmed Pharmaceuticals GLMD Downgrade Neutral
(Buy)
6.08
(0.66)
-89.14% Details
5/22/2020 Madrigal Pharmaceuticals MDGL Maintain Buy
(N/A)
 
 
  Details
5/18/2020 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
5/18/2020 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
5/12/2020 CymaBay Therapeutic CBAY Upgrade Buy
(Neutral)
1.84
(32.48)
1665.22% Details
5/12/2020 Genfit SA GNFT Downgrade Neutral
(Buy)
22.00
(4.85)
-77.95% Details
4/3/2020 Galectin Therapeutics GALT Maintain Buy
(N/A)
 
 
  Details
3/18/2020 CymaBay Therapeutic CBAY Maintain Neutral
(N/A)
 
 
  Details
3/18/2020 Allena Pharmaceuticals ALNA Maintain Buy
(N/A)
 
 
  Details
3/2/2020 Spectrum Pharmaceuticals SPPI Maintain Buy
(N/A)
 
 
  Details
1/17/2020 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
12/27/2019 Spectrum Pharmaceuticals SPPI Maintain Buy
(N/A)
 
 
  Details
12/9/2019 ArQule ARQL Downgrade Neutral
(Buy)
9.67
(20.00)
106.83% Details
12/9/2019 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
11/27/2019 Spectrum Pharmaceuticals SPPI New Coverage Buy
(N/A)
8.78
(1.03)
-88.27% Details
11/27/2019 ArQule ARQL New Coverage Buy
(N/A)
8.99
(9.67)
7.56% Details
11/27/2019 TG Therapeutics TGTX New Coverage Buy
(N/A)
7.50
(29.27)
290.27% Details
11/19/2019 Agenus Inc. AGEN New Coverage Buy
(N/A)
4.40
(2.95)
-32.95% Details
11/14/2019 Galectin Therapeutics GALT Maintain Buy
(N/A)
 
 
  Details
11/8/2019 Allena Pharmaceuticals ALNA Maintain Buy
(N/A)
 
 
  Details
10/29/2019 Genfit GNFT Maintain Buy
(N/A)
 
 
  Details
9/3/2019 The Medicines Company MDCO Maintain Buy
(N/A)
 
 
  Details
6/17/2019 CymaBay Therapeutic CBAY Maintain Neutral
(N/A)
 
 
  Details
6/10/2019 Madrigal Pharmaceuticals MDGL Upgrade Buy
(Neutral)
91.13
(432.83)
374.96% Details
5/28/2019 The Medicines Company MDCO Maintain Buy
(N/A)
 
 
  Details
3/4/2019 CymaBay Therapeutic CBAY Maintain Neutral
(N/A)
 
 
  Details
2/28/2019 Madrigal Pharmaceuticals MDGL Maintain Neutral
(N/A)
 
 
  Details
2/13/2019 Galectin Therapeutics GALT New Coverage Buy
(N/A)
4.14
(3.10)
-25.12% Details
2/6/2019 CymaBay Therapeutic CBAY New Coverage Neutral
(N/A)
8.92
(1.84)
-79.37% Details
12/21/2018 Allena Pharmaceuticals ALNA New Coverage Buy
(N/A)
5.36
(0.48)
-91.04% Details
12/12/2018 Viking Therapeutic VKTX New Coverage Buy
(N/A)
9.46
(51.53)
444.71% Details
12/12/2018 Madrigal Pharmaceuticals MDGL New Coverage Neutral
(N/A)
112.89
(91.13)
-19.28% Details
12/12/2018 Intercept Pharmaceuticals ICPT New Coverage Buy
(N/A)
105.99
(19.00)
-82.07% Details
12/12/2018 Galmed Pharmaceuticals GLMD New Coverage Buy
(N/A)
8.37
(0.66)
-92.11% Details