Biren Amin
Stock Analyst at Piper Sandler
(4.36)
# 1,288
Out of 4,609 analysts
622
Total ratings
46.8%
Success rate
8.2%
Average return
Main Sectors:
Stocks Rated by Biren Amin
| Stock | Action | Price Target | Current | Upside | Ratings | Updated | |
|---|---|---|---|---|---|---|---|
| SRPT Sarepta Therapeutics | Maintained: Hold | $20 | $15.93 | +25.55% | 28 | Aug 6, 2026 | |
| BBIO BridgeBio Pharma | Maintained: Buy | $111 | $81.99 | +35.38% | 33 | Aug 3, 2026 | |
| VKTX Viking Therapeutics | Maintained: Buy | $71 | $33.51 | +111.88% | 14 | Jul 30, 2026 | |
| ACRS Aclaris Therapeutics | Maintained: Buy | $11 | $6.36 | +72.96% | 5 | Jul 17, 2026 | |
| KYMR Kymera Therapeutics | Maintained: Buy | $140 | $105.48 | +32.73% | 2 | Jul 16, 2026 | |
| REGN Regeneron Pharmaceuticals | Rated: Buy | $855 → $854 | $768.58 | +11.11% | 46 | Jul 9, 2026 | |
| LENZ LENZ Therapeutics | Maintained: Hold | $12 | $5.27 | +127.70% | 9 | Jul 9, 2026 | |
| CATX Perspective Therapeutics | Maintained: Buy | $16 | $2.94 | +444.22% | 8 | Jul 6, 2026 | |
| TSHA Taysha Gene Therapies | Maintained: Buy | $9 → $12 | $6.46 | +85.76% | 10 | Jun 30, 2026 | |
| MNPR Monopar Therapeutics | Maintained: Buy | $101 | $119.23 | -15.29% | 9 | Jun 29, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $7 | $2.18 | +221.10% | 1 | Jun 26, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 | $15.77 | +121.94% | 24 | Jun 23, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $31 | $8.50 | +264.71% | 26 | Jun 18, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $7 | $0.693 | +910.10% | 8 | Jun 2, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $33 | $25.52 | +29.31% | 15 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $12 → $4 | $1.89 | +111.64% | 7 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $21 | $8.96 | +134.38% | 8 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $48 | $16.86 | +184.78% | 8 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $10 | $1.95 | +412.82% | 22 | May 29, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $17 → $18 | $8.73 | +106.19% | 16 | May 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 | $25.12 | +39.33% | 10 | May 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $11 | $3.78 | +191.01% | 3 | May 8, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $7 | $1.57 | +345.86% | 2 | Apr 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $5 → $7 | $4.19 | +67.06% | 3 | Mar 30, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 → $51 | $9.57 | +432.92% | 4 | Oct 20, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $63 → $70 | $4.95 | n/a | 4 | May 19, 2023 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $142 → $94 | $161.50 | n/a | 44 | Mar 3, 2022 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $56 | $19.05 | n/a | 4 | Aug 24, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $25 | $0.5048 | n/a | 20 | Jul 23, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $14 → $19 | $9.77 | n/a | 2 | Mar 17, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $8 → $7 | $7.78 | n/a | 11 | Mar 15, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $34 → $51 | $3.62 | n/a | 2 | Mar 12, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $59 → $34 | $28.88 | n/a | 2 | Feb 16, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $21 | $2.19 | n/a | 5 | Feb 10, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $27 → $32 | $3.97 | n/a | 2 | Jan 15, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $51 | $3.33 | n/a | 1 | Jan 11, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $39 → $109 | $2.60 | n/a | 3 | Dec 21, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $43 → $60 | $4.34 | n/a | 18 | Dec 21, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | n/a | $1.90 | n/a | 3 | Dec 9, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $15 → $10 | $0.701 | n/a | 2 | Sep 14, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $10 → $9 | $3.35 | n/a | 12 | Aug 7, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $36 → $18 | $49.61 | n/a | 32 | Jul 29, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $41 | $55.92 | n/a | 1 | Jul 7, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $18 → $2 | $4.35 | n/a | 4 | May 29, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $6 | $0.0003 | n/a | 1 | Mar 27, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $6 → $11 | $4.91 | n/a | 3 | Dec 3, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $12 | $54.99 | n/a | 10 | Nov 8, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $4 → $3.5 | $7.25 | n/a | 4 | Nov 12, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $10 → $1 | $0.001 | n/a | 19 | Oct 10, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $15 → $7.5 | $41.06 | n/a | 19 | Aug 10, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $21 → $26 | $0.000001 | n/a | 3 | Jun 18, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $17 | $13.91 | n/a | 1 | Jun 5, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $12 | $154.91 | n/a | 1 | Mar 19, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $155 | $484.83 | n/a | 1 | Jul 11, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $17 | $4.80 | n/a | 1 | Jun 22, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $47 | $2.79 | n/a | 7 | Jun 6, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $3 | $1.03 | n/a | 9 | May 15, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $9 → $15 | $35.98 | n/a | 10 | Mar 10, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $6 → $8.75 | $6.26 | n/a | 7 | Jan 18, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $1.5 | $5.87 | n/a | 7 | Jan 12, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $9 | $0.000001 | n/a | 1 | Mar 9, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $12 → $11 | $64.30 | n/a | 7 | Mar 9, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $15 | $0.955 | n/a | 1 | Feb 22, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $6 → $7 | $1.35 | n/a | 6 | Oct 30, 2015 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $5 | $0.1831 | n/a | 1 | Aug 22, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $15 | $73.09 | n/a | 7 | May 15, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Hold | $6 → $4 | $56.70 | n/a | 2 | May 2, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $29 | $131.76 | n/a | 1 | Jan 27, 2010 |
Sarepta Therapeutics
Aug 6, 2026
Maintained: Hold
Price Target: $20
Current: $15.93
Upside: +25.55%
BridgeBio Pharma
Aug 3, 2026
Maintained: Buy
Price Target: $111
Current: $81.99
Upside: +35.38%
Viking Therapeutics
Jul 30, 2026
Maintained: Buy
Price Target: $71
Current: $33.51
Upside: +111.88%
Aclaris Therapeutics
Jul 17, 2026
Maintained: Buy
Price Target: $11
Current: $6.36
Upside: +72.96%
Kymera Therapeutics
Jul 16, 2026
Maintained: Buy
Price Target: $140
Current: $105.48
Upside: +32.73%
Regeneron Pharmaceuticals
Jul 9, 2026
Rated: Buy
Price Target: $855 → $854
Current: $768.58
Upside: +11.11%
LENZ Therapeutics
Jul 9, 2026
Maintained: Hold
Price Target: $12
Current: $5.27
Upside: +127.70%
Perspective Therapeutics
Jul 6, 2026
Maintained: Buy
Price Target: $16
Current: $2.94
Upside: +444.22%
Taysha Gene Therapies
Jun 30, 2026
Maintained: Buy
Price Target: $9 → $12
Current: $6.46
Upside: +85.76%
Monopar Therapeutics
Jun 29, 2026
Maintained: Buy
Price Target: $101
Current: $119.23
Upside: -15.29%
Jun 26, 2026
Initiated Coverage: Buy
Price Target: $7
Current: $2.18
Upside: +221.10%
Jun 23, 2026
Maintained: Buy
Price Target: $35
Current: $15.77
Upside: +121.94%
Jun 18, 2026
Maintained: Buy
Price Target: $31
Current: $8.50
Upside: +264.71%
Jun 2, 2026
Maintained: Buy
Price Target: $7
Current: $0.693
Upside: +910.10%
Jun 1, 2026
Maintained: Buy
Price Target: $33
Current: $25.52
Upside: +29.31%
Jun 1, 2026
Maintained: Buy
Price Target: $12 → $4
Current: $1.89
Upside: +111.64%
Jun 1, 2026
Maintained: Buy
Price Target: $21
Current: $8.96
Upside: +134.38%
Jun 1, 2026
Maintained: Buy
Price Target: $48
Current: $16.86
Upside: +184.78%
May 29, 2026
Maintained: Buy
Price Target: $10
Current: $1.95
Upside: +412.82%
May 13, 2026
Maintained: Buy
Price Target: $17 → $18
Current: $8.73
Upside: +106.19%
May 13, 2026
Maintained: Buy
Price Target: $35
Current: $25.12
Upside: +39.33%
May 8, 2026
Maintained: Buy
Price Target: $11
Current: $3.78
Upside: +191.01%
Apr 13, 2026
Maintained: Buy
Price Target: $7
Current: $1.57
Upside: +345.86%
Mar 30, 2026
Maintained: Hold
Price Target: $5 → $7
Current: $4.19
Upside: +67.06%
Oct 20, 2025
Maintained: Buy
Price Target: $35 → $51
Current: $9.57
Upside: +432.92%
May 19, 2023
Maintained: Buy
Price Target: $63 → $70
Current: $4.95
Upside: n/a
Mar 3, 2022
Downgraded: Hold
Price Target: $142 → $94
Current: $161.50
Upside: n/a
Aug 24, 2021
Reiterated: Buy
Price Target: $56
Current: $19.05
Upside: n/a
Jul 23, 2021
Reiterated: Buy
Price Target: $25
Current: $0.5048
Upside: n/a
Mar 17, 2021
Maintained: Buy
Price Target: $14 → $19
Current: $9.77
Upside: n/a
Mar 15, 2021
Rated: Buy
Price Target: $8 → $7
Current: $7.78
Upside: n/a
Mar 12, 2021
Reiterated: Buy
Price Target: $34 → $51
Current: $3.62
Upside: n/a
Feb 16, 2021
Downgraded: Hold
Price Target: $59 → $34
Current: $28.88
Upside: n/a
Feb 10, 2021
Reiterated: Buy
Price Target: $21
Current: $2.19
Upside: n/a
Jan 15, 2021
Reiterated: Buy
Price Target: $27 → $32
Current: $3.97
Upside: n/a
Jan 11, 2021
Initiated Coverage: Buy
Price Target: $51
Current: $3.33
Upside: n/a
Dec 21, 2020
Maintained: Buy
Price Target: $39 → $109
Current: $2.60
Upside: n/a
Dec 21, 2020
Maintained: Buy
Price Target: $43 → $60
Current: $4.34
Upside: n/a
Dec 9, 2020
Downgraded: Hold
Price Target: n/a
Current: $1.90
Upside: n/a
Sep 14, 2020
Downgraded: Hold
Price Target: $15 → $10
Current: $0.701
Upside: n/a
Aug 7, 2020
Maintained: Hold
Price Target: $10 → $9
Current: $3.35
Upside: n/a
Jul 29, 2020
Maintained: Hold
Price Target: $36 → $18
Current: $49.61
Upside: n/a
Jul 7, 2020
Initiated Coverage: Buy
Price Target: $41
Current: $55.92
Upside: n/a
May 29, 2020
Downgraded: Hold
Price Target: $18 → $2
Current: $4.35
Upside: n/a
Mar 27, 2020
Initiated Coverage: Buy
Price Target: $6
Current: $0.0003
Upside: n/a
Dec 3, 2019
Maintained: Buy
Price Target: $6 → $11
Current: $4.91
Upside: n/a
Nov 8, 2019
Downgraded: Hold
Price Target: $12
Current: $54.99
Upside: n/a
Nov 12, 2018
Reiterated: Hold
Price Target: $4 → $3.5
Current: $7.25
Upside: n/a
Oct 10, 2018
Downgraded: Hold
Price Target: $10 → $1
Current: $0.001
Upside: n/a
Aug 10, 2018
Reiterated: Hold
Price Target: $15 → $7.5
Current: $41.06
Upside: n/a
Jun 18, 2018
Reiterated: Buy
Price Target: $21 → $26
Current: $0.000001
Upside: n/a
Jun 5, 2018
Initiated Coverage: Buy
Price Target: $17
Current: $13.91
Upside: n/a
Mar 19, 2018
Initiated Coverage: Buy
Price Target: $12
Current: $154.91
Upside: n/a
Jul 11, 2017
Initiated Coverage: Buy
Price Target: $155
Current: $484.83
Upside: n/a
Jun 22, 2017
Reiterated: Buy
Price Target: $17
Current: $4.80
Upside: n/a
Jun 6, 2017
Reiterated: Buy
Price Target: $47
Current: $2.79
Upside: n/a
May 15, 2017
Reiterated: Hold
Price Target: $3
Current: $1.03
Upside: n/a
Mar 10, 2017
Reiterated: Hold
Price Target: $9 → $15
Current: $35.98
Upside: n/a
Jan 18, 2017
Downgraded: Hold
Price Target: $6 → $8.75
Current: $6.26
Upside: n/a
Jan 12, 2017
Reiterated: Hold
Price Target: $1.5
Current: $5.87
Upside: n/a
Mar 9, 2016
Reiterated: Buy
Price Target: $9
Current: $0.000001
Upside: n/a
Mar 9, 2016
Maintained: Buy
Price Target: $12 → $11
Current: $64.30
Upside: n/a
Feb 22, 2016
Maintained: Buy
Price Target: $15
Current: $0.955
Upside: n/a
Oct 30, 2015
Rated: Buy
Price Target: $6 → $7
Current: $1.35
Upside: n/a
Aug 22, 2014
Downgraded: Hold
Price Target: $5
Current: $0.1831
Upside: n/a
May 15, 2014
Initiated Coverage: Buy
Price Target: $15
Current: $73.09
Upside: n/a
May 2, 2014
Rated: Hold
Price Target: $6 → $4
Current: $56.70
Upside: n/a
Jan 27, 2010
Maintained: Buy
Price Target: $29
Current: $131.76
Upside: n/a