Ratings by Jefferies (Roger Song)

Date CompanySymbol Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
6/15/2026 SAB Biotherapeutics SABS Maintain Buy
(N/A)
 
 
  Details
6/8/2026 Nurix NRIX Maintain Buy
(N/A)
 
 
  Details
6/8/2026 Nurix NRIX Maintain Buy
(N/A)
 
 
  Details
6/3/2026 Cabaletta Bio CABA Maintain Buy
(N/A)
 
 
  Details
5/25/2026 Avalyn Pharma AVLN New Coverage Buy
(N/A)
28.41
(31.42)
10.59% Details
5/20/2026 SAB Biotherapeutics SABS New Coverage Buy
(N/A)
3.56
(4.00)
12.36% Details
5/19/2026 Fate Therapeutics FATE New Coverage Buy
(N/A)
1.73
(2.20)
27.17% Details
5/12/2026 Prelude Therapeutics PRLD Maintain Buy
(N/A)
 
 
  Details
5/12/2026 Kailera Therapeutics KLRA New Coverage Buy
(N/A)
21.47
(21.67)
0.93% Details
5/4/2026 Krystal Biotech KRYS Maintain Buy
(N/A)
 
 
  Details
4/30/2026 Veradermics MANE Maintain Buy
(N/A)
 
 
  Details
4/28/2026 Kiniksa KNSA Maintain Buy
(N/A)
 
 
  Details
4/27/2026 Oruka Therapeutics ORKA Maintain Buy
(N/A)
 
 
  Details
4/22/2026 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
4/21/2026 Veradermics MANE Maintain Buy
(N/A)
 
 
  Details
4/21/2026 BioAge Labs Inc BIOA Maintain Buy
(N/A)
 
 
  Details
4/20/2026 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
4/15/2026 Allogene ALLO Maintain Buy
(N/A)
 
 
  Details
4/14/2026 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
4/13/2026 Allogene ALLO Maintain Buy
(N/A)
 
 
  Details
4/13/2026 Replimune Group REPL Downgrade Hold
(Buy)
5.91
(11.14)
88.49% Details
4/10/2026 Allogene ALLO New Coverage Buy
(N/A)
2.70
(2.10)
-22.22% Details
3/30/2026 United Therapeutics Corp. UTHR Maintain Buy
(N/A)
 
 
  Details
3/30/2026 United Therapeutics Corp. UTHR Maintain Buy
(N/A)
 
 
  Details
3/30/2026 United Therapeutics Corp. UTHR Maintain Buy
(N/A)
 
 
  Details
3/27/2026 Cabaletta Bio Inc. CABA Maintain Buy
(N/A)
 
 
  Details
3/27/2026 Altimmune ALT Maintain Buy
(N/A)
 
 
  Details
3/26/2026 WAVE Life Sciences WVE Maintain Buy
(N/A)
 
 
  Details
3/26/2026 Veradermics MANE Maintain Buy
(N/A)
 
 
  Details
3/26/2026 WAVE Life Sciences WVE Maintain Buy
(N/A)
 
 
  Details
3/25/2026 WAVE Life Sciences WVE Maintain Buy
(N/A)
 
 
  Details
3/24/2026 BioAge Labs Inc BIOA Maintain Buy
(N/A)
 
 
  Details
3/24/2026 CytomX Therapeutics CTMX Maintain Buy
(N/A)
 
 
  Details
3/23/2026 Cabaletta Bio Inc. CABA Maintain Buy
(N/A)
 
 
  Details
3/18/2026 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
3/18/2026 CytomX Therapeutics CTMX Maintain Buy
(N/A)
 
 
  Details
3/12/2026 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
3/12/2026 Viking Therapeutic VKTX Maintain Buy
(N/A)
 
 
  Details
3/10/2026 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
3/6/2026 aTyr Pharma ATYR Maintain Buy
(N/A)
 
 
  Details
3/2/2026 Acrivon Therapeutics Inc ACRV Maintain Buy
(N/A)
 
 
  Details
3/2/2026 Veradermics MANE New Coverage Buy
(N/A)
42.91
(103.12)
140.32% Details
2/18/2026 BioAge Labs Inc BIOA Upgrade Buy
(Hold)
19.63
(21.24)
8.2% Details
2/17/2026 Krystal Biotech KRYS Maintain Buy
(N/A)
 
 
  Details
2/2/2026 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
1/22/2026 Corvus Pharmaceuticals CRVS Maintain Buy
(N/A)
 
 
  Details
1/9/2026 Krystal Biotech KRYS Maintain Buy
(N/A)
 
 
  Details
1/6/2026 Aclaris Therapeutis ACRS Maintain Buy
(N/A)
 
 
  Details
1/6/2026 Zenas Biopharma ZBIO Maintain Buy
(N/A)
 
 
  Details
12/30/2025 Inovio Pharmaceuticals INO Maintain Hold
(N/A)
 
 
  Details
12/23/2025 Zenas Biopharma ZBIO Maintain Buy
(N/A)
 
 
  Details
12/19/2025 Disc Medicine IRON Maintain Buy
(N/A)
 
 
  Details
12/17/2025 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
12/12/2025 WAVE Life Sciences WVE Maintain Buy
(N/A)
 
 
  Details
12/9/2025 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
12/8/2025 Structure Therapeutics GPCR Maintain Buy
(N/A)
 
 
  Details
11/28/2025 Disc Medicine IRON Maintain Buy
(N/A)
 
 
  Details
11/24/2025 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
11/20/2025 Disc Medicine IRON Maintain Buy
(N/A)
 
 
  Details
11/20/2025 Kura Oncology KURA Maintain Buy
(N/A)
 
 
  Details
11/20/2025 Nuvalent NUVL Maintain Buy
(N/A)
 
 
  Details
11/20/2025 MBX Biosciences Inc MBX Maintain Buy
(N/A)
 
 
  Details
11/20/2025 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
11/20/2025 Whitehawk Therapeutics WHWK Maintain Hold
(N/A)
 
 
  Details
11/20/2025 ALX Oncology ALXO Maintain Buy
(N/A)
 
 
  Details
11/13/2025 ALX Oncology ALXO New Coverage Buy
(N/A)
1.28
(1.62)
26.56% Details
11/13/2025 Oruka Therapeutics ORKA New Coverage Buy
(N/A)
28.20
(87.47)
210.18% Details
10/27/2025 Zenas Biopharma ZBIO Maintain Buy
(N/A)
 
 
  Details
10/10/2025 Cabaletta Bio Inc. CABA New Coverage Buy
(N/A)
2.85
(2.95)
3.51% Details
10/10/2025 Gyre Therapeutics GYRE New Coverage Buy
(N/A)
7.15
(6.21)
-13.15% Details
9/18/2025 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
9/9/2025 Tourmaline Bio TRML Downgrade Hold
(Buy)
30.18
(47.98)
58.98% Details
9/9/2025 Sutro Biopharma STRO Maintain Buy
(N/A)
 
 
  Details
8/28/2025 Biomea Fusion Inc. BMEA New Coverage Buy
(N/A)
1.86
(1.28)
-31.18% Details
8/22/2025 aTyr Pharma ATYR Maintain Buy
(N/A)
 
 
  Details
8/20/2025 Equillium EQ Maintain Buy
(N/A)
 
 
  Details
8/19/2025 Viking Therapeutic VKTX Maintain Buy
(N/A)
 
 
  Details
8/15/2025 MBX Biosciences Inc MBX New Coverage Buy
(N/A)
13.21
(44.33)
235.58% Details
8/13/2025 Inovio Pharmaceuticals INO Maintain Buy
(N/A)
 
 
  Details
8/11/2025 Replimune Group REPL Maintain Buy
(N/A)
 
 
  Details
8/5/2025 Lava Therapeutics NV LVTX Downgrade Hold
(Buy)
1.42
(1.74)
22.54% Details
7/29/2025 Kiniksa KNSA Maintain Buy
(N/A)
 
 
  Details
7/22/2025 Replimune Group REPL Maintain Buy
(N/A)
 
 
  Details
6/24/2025 Nektar Therapeutics NKTR Maintain Buy
(N/A)
 
 
  Details
6/18/2025 Verve Therapeutics VERV Downgrade Hold
(Buy)
6.27
(11.13)
77.51% Details
6/13/2025 CureVac CVAC Downgrade Hold
(Buy)
4.07
(4.66)
14.5% Details
5/29/2025 BioAge Labs Inc BIOA Maintain Hold
(N/A)
 
 
  Details
5/5/2025 TG Therapeutics TGTX Maintain Buy
(N/A)
 
 
  Details
4/11/2025 Nektar Therapeutics NKTR Upgrade Buy
(Hold)
0.50
(65.70)
13040% Details
4/1/2025 Akebia Therapeutics AKBA New Coverage Buy
(N/A)
1.91
(1.09)
-42.93% Details
3/31/2025 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
3/26/2025 WAVE Life Sciences WVE Maintain Buy
(N/A)
 
 
  Details
3/14/2025 Sutro Biopharma STRO Maintain Buy
(N/A)
 
 
  Details
3/14/2025 Sana Biotechnology SANA New Coverage Buy
(N/A)
2.66
(3.38)
27.07% Details
3/13/2025 Nektar Therapeutics NKTR Maintain Hold
(N/A)
 
 
  Details
3/10/2025 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
3/5/2025 Krystal Biotech KRYS New Coverage Buy
(N/A)
171.83
(345.00)
100.78% Details
2/25/2025 WAVE Life Sciences WVE New Coverage Buy
(N/A)
10.48
(6.24)
-40.46% Details
1/27/2025 IO Biotech IOBT Maintain Buy
(N/A)
 
 
  Details
1/23/2025 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
1/10/2025 IGM Biosciences IGMS Downgrade Hold
(Buy)
6.20
(1.27)
-79.52% Details
12/9/2024 BioAge Labs Inc BIOA Downgrade Hold
(Buy)
18.37
(21.24)
15.62% Details
12/3/2024 Replimune Group REPL Maintain Buy
(N/A)
 
 
  Details
11/27/2024 Disc Medicine IRON Maintain Buy
(N/A)
 
 
  Details
11/21/2024 Kura Oncology KURA Maintain Buy
(N/A)
 
 
  Details
11/19/2024 Aclaris Therapeutis ACRS Upgrade Buy
(Hold)
2.05
(4.86)
137.07% Details
11/13/2024 Corvus Pharmaceuticals CRVS Maintain Buy
(N/A)
 
 
  Details
11/6/2024 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
11/4/2024 Viking Therapeutic VKTX Maintain Buy
(Buy)
 
 
  Details
10/23/2024 Disc Medicine IRON New Coverage Buy
(N/A)
50.77
(72.13)
42.07% Details
10/21/2024 BioAge Labs Inc BIOA New Coverage Buy
(N/A)
22.99
(18.37)
-20.1% Details
10/16/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
10/11/2024 Nurix NRIX New Coverage Buy
(N/A)
21.86
(18.60)
-14.91% Details
10/2/2024 Novavax NVAX Maintain Buy
(Buy)
 
 
  Details
10/1/2024 IGM Biosciences IGMS Maintain Buy
(N/A)
 
 
  Details
9/13/2024 Kiniksa KNSA New Coverage Buy
(N/A)
24.34
(57.10)
134.59% Details
9/10/2024 Nuvalent NUVL Maintain Buy
(N/A)
 
 
  Details
9/5/2024 aTyr Pharma ATYR New Coverage Buy
(N/A)
1.78
(0.47)
-73.6% Details
9/3/2024 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
9/3/2024 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
9/3/2024 IO Biotech IOBT Maintain Buy
(N/A)
 
 
  Details
8/21/2024 Aadi Bioscience Inc AADI Downgrade Hold
(Buy)
1.62
(2.05)
26.54% Details
7/19/2024 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
5/10/2024 Nektar Therapeutics NKTR Maintain Hold
(N/A)
 
 
  Details
5/9/2024 Aadi Bioscience Inc AADI Maintain Buy
(N/A)
 
 
  Details
5/6/2024 CytomX Therapeutics CTMX Upgrade Buy
(Hold)
4.50
(2.97)
-34% Details
4/17/2024 Nuvalent NUVL New Coverage Buy
(N/A)
65.28
(123.41)
89.05% Details
3/20/2024 Lava Therapeutics NV LVTX Maintain Buy
(N/A)
 
 
  Details
3/20/2024 Tourmaline Bio TRML Maintain Buy
(N/A)
 
 
  Details
3/12/2024 CytomX Therapeutics CTMX Maintain Hold
(N/A)
 
 
  Details
3/12/2024 CytomX Therapeutics CTMX Maintain Hold
(N/A)
 
 
  Details
3/7/2024 Viking Therapeutic VKTX New Coverage Buy
(N/A)
87.90
(32.27)
-63.29% Details
3/5/2024 Nektar Therapeutics NKTR Maintain Hold
(Hold)
 
 
  Details
1/12/2024 Kura Oncology KURA Maintain Buy
(N/A)
 
 
  Details
1/10/2024 Aclaris Therapeutis ACRS Downgrade Hold
(Buy)
1.28
(2.05)
60.16% Details
12/15/2023 Aclaris Therapeutis ACRS Maintain Buy
(N/A)
 
 
  Details
12/15/2023 Aadi Bioscience Inc AADI Maintain Buy
(N/A)
 
 
  Details
12/15/2023 Acrivon Therapeutics Inc ACRV New Coverage Buy
(N/A)
5.20
(1.64)
-68.46% Details
12/15/2023 Tourmaline Bio TRML New Coverage Buy
(N/A)
18.55
(30.18)
62.7% Details
12/12/2023 Icosavax Inc. ICVX Downgrade Hold
(Buy)
10.49
(15.31)
45.95% Details
11/10/2023 Inovio Pharmaceuticals INO Maintain Hold
(N/A)
 
 
  Details
10/3/2023 Structure Therapeutics GPCR Maintain Buy
(N/A)
 
 
  Details
9/29/2023 Structure Therapeutics GPCR Maintain Buy
(N/A)
 
 
  Details
9/19/2023 Kinnate Biopharma KNTE Maintain Buy
(N/A)
 
 
  Details
6/28/2023 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
6/26/2023 TG Therapeutics TGTX New Coverage Buy
(N/A)
23.60
(54.53)
131.06% Details
6/26/2023 Protagonist Therapeutics PTGX Maintain Buy
(N/A)
 
 
  Details
6/15/2023 Lava Therapeutics NV LVTX Maintain Buy
(N/A)
 
 
  Details
5/25/2023 Magma Design LAVA New Coverage Buy
(N/A)
7.34
(7.34)
0% Details
5/25/2023 Omega Therapeutics OMGA New Coverage Buy
(N/A)
9.66
(0.14)
-98.55% Details
5/25/2023 Protagonist Therapeutics PTGX New Coverage Buy
(N/A)
25.20
(115.00)
356.35% Details
5/25/2023 Lava Therapeutics NV LVTX New Coverage Buy
(N/A)
1.88
(1.42)
-24.47% Details
5/25/2023 IO Biotech IOBT New Coverage Buy
(N/A)
2.08
(0.05)
-97.6% Details
5/25/2023 Structure Therapeutics GPCR New Coverage Buy
(N/A)
26.59
(46.60)
75.25% Details
5/10/2023 Nektar Therapeutics NKTR Upgrade Hold
(Underperform)
0.77
(0.50)
-35.06% Details
3/31/2023 IGM Biosciences IGMS Maintain Buy
(N/A)
 
 
  Details
3/29/2023 Aadi Bioscience Inc AADI Maintain Buy
(N/A)
 
 
  Details
2/28/2023 Aclaris Therapeutis ACRS Maintain Buy
(N/A)
 
 
  Details
2/27/2023 Kinnate Biopharma KNTE Maintain Buy
(N/A)
 
 
  Details
2/24/2023 Nektar Therapeutics NKTR Downgrade Underperform
(Hold)
3.01
(65.70)
2082.72% Details
2/13/2023 Glycomimetics GLYC Maintain Buy
(N/A)
 
 
  Details
2/10/2023 Glycomimetics GLYC Maintain Buy
(N/A)
 
 
  Details
11/9/2022 IGM Biosciences IGMS New Coverage Buy
(N/A)
17.20
(1.27)
-92.62% Details
11/8/2022 Vaxcyte PCVX Maintain Buy
(N/A)
 
 
  Details
10/11/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
8/31/2022 Altimmune ALT Maintain Buy
(N/A)
 
 
  Details
8/16/2022 Icosavax Inc. ICVX Maintain Buy
(N/A)
 
 
  Details
7/29/2022 Prelude Therapeutics PRLD New Coverage Buy
(N/A)
5.89
(4.28)
-27.33% Details
7/7/2022 CytomX Therapeutics CTMX Downgrade Hold
(Buy)
1.97
(2.97)
50.76% Details
5/31/2022 Nektar Therapeutics NKTR New Coverage Hold
(N/A)
3.54
(65.70)
1755.93% Details
4/28/2022 Glycomimetics GLYC Maintain Buy
(N/A)
 
 
  Details
4/19/2022 Novavax NVAX Maintain Buy
(N/A)
 
 
  Details
4/4/2022 Finch Therapeutics Group Inc. FNCH Maintain Buy
(N/A)
 
 
  Details
3/31/2022 Replimune Group REPL Maintain Buy
(N/A)
 
 
  Details
3/22/2022 Icosavax Inc. ICVX Maintain Buy
(N/A)
 
 
  Details
2/22/2022 Novavax NVAX New Coverage Buy
(N/A)
81.89
(9.20)
-88.77% Details
2/15/2022 Kura Oncology KURA New Coverage Buy
(N/A)
12.90
(10.40)
-19.38% Details
1/11/2022 Aadi Bioscience Inc AADI New Coverage Buy
(N/A)
21.75
(1.62)
-92.55% Details
12/29/2021 Inovio Pharmaceuticals INO New Coverage Hold
(N/A)
5.72
(1.12)
-80.42% Details
12/29/2021 Vaxart Inc. VXRT New Coverage Buy
(N/A)
6.69
(0.32)
-95.22% Details
12/29/2021 VBI Vaccines VBIV New Coverage Buy
(N/A)
2.31
(0.07)
-96.97% Details
12/29/2021 Vaxxinity VAXX New Coverage Buy
(N/A)
6.37
(0.01)
-99.84% Details
12/29/2021 Vaxcyte PCVX New Coverage Buy
(N/A)
23.09
(51.31)
122.22% Details
12/29/2021 Icosavax Inc. ICVX New Coverage Buy
(N/A)
22.51
(15.31)
-31.99% Details
12/29/2021 Metacrine Inc. MTCR New Coverage Hold
(N/A)
0.66
(0.49)
-25.76% Details
12/29/2021 Altimmune ALT New Coverage Buy
(N/A)
8.84
(2.91)
-67.08% Details
12/1/2021 Corvus Pharmaceuticals CRVS New Coverage Buy
(N/A)
3.45
(12.46)
261.16% Details
11/12/2021 Glycomimetics GLYC Upgrade Buy
(Hold)
2.02
(0.16)
-92.08% Details
9/27/2021 Kinnate Biopharma KNTE New Coverage Buy
(N/A)
23.15
(2.65)
-88.55% Details
9/23/2021 Aclaris Therapeutis ACRS Maintain Buy
(N/A)
 
 
  Details
8/30/2021 Aclaris Therapeutis ACRS Maintain Buy
(N/A)
 
 
  Details
7/23/2021 Aclaris Therapeutis ACRS New Coverage Buy
(N/A)
15.61
(4.86)
-68.87% Details
7/1/2021 Atreca Inc. BCEL Maintain Buy
(N/A)
 
 
  Details
5/18/2021 Pieris Pharmaceuticals PIRS New Coverage Buy
(N/A)
1.88
(13.60)
623.4% Details
5/18/2021 Equillium EQ New Coverage Buy
(N/A)
5.42
(2.93)
-45.94% Details
4/29/2021 Cara Therapeutics CARA Maintain Buy
(N/A)
 
 
  Details
4/13/2021 Finch Therapeutics Group Inc. FNCH New Coverage Buy
(N/A)
17.18
(7.30)
-57.51% Details
4/5/2021 Molecular Templates MTEM Maintain Buy
(N/A)
 
 
  Details
3/23/2021 CytomX Therapeutics CTMX Upgrade Buy
(Hold)
8.52
(2.97)
-65.14% Details
2/8/2021 Atreca Inc. BCEL New Coverage Buy
(N/A)
14.93
(0.09)
-99.4% Details
11/2/2020 Replimune Group REPL New Coverage Buy
(N/A)
43.18
(5.91)
-86.31% Details
9/8/2020 Molecular Templates MTEM New Coverage Buy
(N/A)
10.26
(0.11)
-98.93% Details
9/2/2020 Sutro Biopharma STRO New Coverage Buy
(N/A)
10.01
(31.63)
215.98% Details
8/5/2019 Glycomimetics GLYC New Coverage Hold
(Buy)
9.13
(0.16)
-98.25% Details
1/3/2019 Aevi GNMX Maintain Hold
(N/A)
 
 
  Details
11/2/2018 Amarin Corporation AMRN Maintain Buy
(N/A)
 
 
  Details
10/15/2018 AcelRx Pharmaceuticals ACRX Upgrade Buy
(Hold)
3.98
(0.86)
-78.39% Details