Biren Amin
Stock Analyst at Piper Sandler
(4.41)
# 1,192
Out of 4,517 analysts
619
Total ratings
47.4%
Success rate
8.4%
Average return
Main Sectors:
Stocks Rated by Biren Amin
| Stock | Action | Price Target | Current | Upside | Ratings | Updated | |
|---|---|---|---|---|---|---|---|
| ACRS Aclaris Therapeutics | Maintained: Buy | $11 | $5.36 | +105.22% | 5 | Jul 17, 2026 | |
| KYMR Kymera Therapeutics | Maintained: Buy | $140 | $113.99 | +22.82% | 2 | Jul 16, 2026 | |
| REGN Regeneron Pharmaceuticals | Rated: Buy | $855 → $854 | $678.94 | +25.78% | 46 | Jul 9, 2026 | |
| SRPT Sarepta Therapeutics | Rated: Hold | $16 → $20 | $17.23 | +16.08% | 27 | Jul 9, 2026 | |
| BBIO BridgeBio Pharma | Maintained: Buy | $111 | $80.30 | +38.23% | 32 | Jul 9, 2026 | |
| LENZ LENZ Therapeutics | Maintained: Hold | $12 | $4.88 | +145.90% | 9 | Jul 9, 2026 | |
| VKTX Viking Therapeutics | Maintained: Buy | $71 | $36.37 | +95.22% | 13 | Jul 7, 2026 | |
| CATX Perspective Therapeutics | Maintained: Buy | $16 | $2.95 | +442.37% | 8 | Jul 6, 2026 | |
| TSHA Taysha Gene Therapies | Maintained: Buy | $9 → $12 | $5.97 | +101.01% | 10 | Jun 30, 2026 | |
| MNPR Monopar Therapeutics | Maintained: Buy | $101 | $108.52 | -6.93% | 9 | Jun 29, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $7 | $2.34 | +199.79% | 1 | Jun 26, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 | $15.11 | +131.63% | 24 | Jun 23, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $31 | $9.17 | +238.24% | 26 | Jun 18, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $7 | $0.6146 | +1,038.95% | 8 | Jun 2, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $33 | $22.20 | +48.65% | 15 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $12 → $4 | $2.10 | +90.48% | 7 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $21 | $8.31 | +152.71% | 8 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $48 | $20.40 | +135.29% | 8 | Jun 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $10 | $1.79 | +458.66% | 22 | May 29, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $17 → $18 | $9.05 | +98.90% | 16 | May 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 | $23.07 | +51.71% | 10 | May 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $11 | $3.28 | +235.37% | 3 | May 8, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $7 | $1.38 | +407.25% | 2 | Apr 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $5 → $7 | $4.61 | +51.84% | 3 | Mar 30, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 → $51 | $8.80 | +479.55% | 4 | Oct 20, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $63 → $70 | $4.57 | n/a | 4 | May 19, 2023 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $142 → $94 | $171.55 | n/a | 44 | Mar 3, 2022 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $56 | $22.71 | n/a | 4 | Aug 24, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $25 | $0.476 | n/a | 20 | Jul 23, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $14 → $19 | $9.40 | n/a | 2 | Mar 17, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $8 → $7 | $5.00 | n/a | 11 | Mar 15, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $34 → $51 | $3.58 | n/a | 2 | Mar 12, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $59 → $34 | $18.67 | n/a | 2 | Feb 16, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $21 | $2.50 | n/a | 5 | Feb 10, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $27 → $32 | $4.18 | n/a | 2 | Jan 15, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $51 | $3.99 | n/a | 1 | Jan 11, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $39 → $109 | $2.73 | n/a | 3 | Dec 21, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $43 → $60 | $4.66 | n/a | 18 | Dec 21, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | n/a | $1.46 | n/a | 3 | Dec 9, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $15 → $10 | $0.8471 | n/a | 2 | Sep 14, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $10 → $9 | $3.67 | n/a | 12 | Aug 7, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $36 → $18 | $51.94 | n/a | 32 | Jul 29, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $41 | $56.04 | n/a | 1 | Jul 7, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $18 → $2 | $4.21 | n/a | 4 | May 29, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $6 | $0.0001 | n/a | 1 | Mar 27, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $6 → $11 | $5.13 | n/a | 3 | Dec 3, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $12 | $54.15 | n/a | 10 | Nov 8, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $4 → $3.5 | $7.45 | n/a | 4 | Nov 12, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $10 → $1 | $0.011 | n/a | 19 | Oct 10, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $15 → $7.5 | $35.40 | n/a | 19 | Aug 10, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $21 → $26 | $0.0001 | n/a | 3 | Jun 18, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $17 | $14.27 | n/a | 1 | Jun 5, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $12 | $147.77 | n/a | 1 | Mar 19, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $155 | $486.03 | n/a | 1 | Jul 11, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $17 | $4.90 | n/a | 1 | Jun 22, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $47 | $2.67 | n/a | 7 | Jun 6, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $3 | $1.46 | n/a | 9 | May 15, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $9 → $15 | $36.50 | n/a | 10 | Mar 10, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $6 → $8.75 | $6.18 | n/a | 7 | Jan 18, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $1.5 | $5.77 | n/a | 7 | Jan 12, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $9 | $0.0001 | n/a | 1 | Mar 9, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $12 → $11 | $66.98 | n/a | 7 | Mar 9, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $15 | $0.8745 | 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 | $67.05 | n/a | 7 | May 15, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Hold | $6 → $4 | $55.68 | n/a | 2 | May 2, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $29 | $136.30 | n/a | 1 | Jan 27, 2010 |
Aclaris Therapeutics
Jul 17, 2026
Maintained: Buy
Price Target: $11
Current: $5.36
Upside: +105.22%
Kymera Therapeutics
Jul 16, 2026
Maintained: Buy
Price Target: $140
Current: $113.99
Upside: +22.82%
Regeneron Pharmaceuticals
Jul 9, 2026
Rated: Buy
Price Target: $855 → $854
Current: $678.94
Upside: +25.78%
Sarepta Therapeutics
Jul 9, 2026
Rated: Hold
Price Target: $16 → $20
Current: $17.23
Upside: +16.08%
BridgeBio Pharma
Jul 9, 2026
Maintained: Buy
Price Target: $111
Current: $80.30
Upside: +38.23%
LENZ Therapeutics
Jul 9, 2026
Maintained: Hold
Price Target: $12
Current: $4.88
Upside: +145.90%
Viking Therapeutics
Jul 7, 2026
Maintained: Buy
Price Target: $71
Current: $36.37
Upside: +95.22%
Perspective Therapeutics
Jul 6, 2026
Maintained: Buy
Price Target: $16
Current: $2.95
Upside: +442.37%
Taysha Gene Therapies
Jun 30, 2026
Maintained: Buy
Price Target: $9 → $12
Current: $5.97
Upside: +101.01%
Monopar Therapeutics
Jun 29, 2026
Maintained: Buy
Price Target: $101
Current: $108.52
Upside: -6.93%
Jun 26, 2026
Initiated Coverage: Buy
Price Target: $7
Current: $2.34
Upside: +199.79%
Jun 23, 2026
Maintained: Buy
Price Target: $35
Current: $15.11
Upside: +131.63%
Jun 18, 2026
Maintained: Buy
Price Target: $31
Current: $9.17
Upside: +238.24%
Jun 2, 2026
Maintained: Buy
Price Target: $7
Current: $0.6146
Upside: +1,038.95%
Jun 1, 2026
Maintained: Buy
Price Target: $33
Current: $22.20
Upside: +48.65%
Jun 1, 2026
Maintained: Buy
Price Target: $12 → $4
Current: $2.10
Upside: +90.48%
Jun 1, 2026
Maintained: Buy
Price Target: $21
Current: $8.31
Upside: +152.71%
Jun 1, 2026
Maintained: Buy
Price Target: $48
Current: $20.40
Upside: +135.29%
May 29, 2026
Maintained: Buy
Price Target: $10
Current: $1.79
Upside: +458.66%
May 13, 2026
Maintained: Buy
Price Target: $17 → $18
Current: $9.05
Upside: +98.90%
May 13, 2026
Maintained: Buy
Price Target: $35
Current: $23.07
Upside: +51.71%
May 8, 2026
Maintained: Buy
Price Target: $11
Current: $3.28
Upside: +235.37%
Apr 13, 2026
Maintained: Buy
Price Target: $7
Current: $1.38
Upside: +407.25%
Mar 30, 2026
Maintained: Hold
Price Target: $5 → $7
Current: $4.61
Upside: +51.84%
Oct 20, 2025
Maintained: Buy
Price Target: $35 → $51
Current: $8.80
Upside: +479.55%
May 19, 2023
Maintained: Buy
Price Target: $63 → $70
Current: $4.57
Upside: n/a
Mar 3, 2022
Downgraded: Hold
Price Target: $142 → $94
Current: $171.55
Upside: n/a
Aug 24, 2021
Reiterated: Buy
Price Target: $56
Current: $22.71
Upside: n/a
Jul 23, 2021
Reiterated: Buy
Price Target: $25
Current: $0.476
Upside: n/a
Mar 17, 2021
Maintained: Buy
Price Target: $14 → $19
Current: $9.40
Upside: n/a
Mar 15, 2021
Rated: Buy
Price Target: $8 → $7
Current: $5.00
Upside: n/a
Mar 12, 2021
Reiterated: Buy
Price Target: $34 → $51
Current: $3.58
Upside: n/a
Feb 16, 2021
Downgraded: Hold
Price Target: $59 → $34
Current: $18.67
Upside: n/a
Feb 10, 2021
Reiterated: Buy
Price Target: $21
Current: $2.50
Upside: n/a
Jan 15, 2021
Reiterated: Buy
Price Target: $27 → $32
Current: $4.18
Upside: n/a
Jan 11, 2021
Initiated Coverage: Buy
Price Target: $51
Current: $3.99
Upside: n/a
Dec 21, 2020
Maintained: Buy
Price Target: $39 → $109
Current: $2.73
Upside: n/a
Dec 21, 2020
Maintained: Buy
Price Target: $43 → $60
Current: $4.66
Upside: n/a
Dec 9, 2020
Downgraded: Hold
Price Target: n/a
Current: $1.46
Upside: n/a
Sep 14, 2020
Downgraded: Hold
Price Target: $15 → $10
Current: $0.8471
Upside: n/a
Aug 7, 2020
Maintained: Hold
Price Target: $10 → $9
Current: $3.67
Upside: n/a
Jul 29, 2020
Maintained: Hold
Price Target: $36 → $18
Current: $51.94
Upside: n/a
Jul 7, 2020
Initiated Coverage: Buy
Price Target: $41
Current: $56.04
Upside: n/a
May 29, 2020
Downgraded: Hold
Price Target: $18 → $2
Current: $4.21
Upside: n/a
Mar 27, 2020
Initiated Coverage: Buy
Price Target: $6
Current: $0.0001
Upside: n/a
Dec 3, 2019
Maintained: Buy
Price Target: $6 → $11
Current: $5.13
Upside: n/a
Nov 8, 2019
Downgraded: Hold
Price Target: $12
Current: $54.15
Upside: n/a
Nov 12, 2018
Reiterated: Hold
Price Target: $4 → $3.5
Current: $7.45
Upside: n/a
Oct 10, 2018
Downgraded: Hold
Price Target: $10 → $1
Current: $0.011
Upside: n/a
Aug 10, 2018
Reiterated: Hold
Price Target: $15 → $7.5
Current: $35.40
Upside: n/a
Jun 18, 2018
Reiterated: Buy
Price Target: $21 → $26
Current: $0.0001
Upside: n/a
Jun 5, 2018
Initiated Coverage: Buy
Price Target: $17
Current: $14.27
Upside: n/a
Mar 19, 2018
Initiated Coverage: Buy
Price Target: $12
Current: $147.77
Upside: n/a
Jul 11, 2017
Initiated Coverage: Buy
Price Target: $155
Current: $486.03
Upside: n/a
Jun 22, 2017
Reiterated: Buy
Price Target: $17
Current: $4.90
Upside: n/a
Jun 6, 2017
Reiterated: Buy
Price Target: $47
Current: $2.67
Upside: n/a
May 15, 2017
Reiterated: Hold
Price Target: $3
Current: $1.46
Upside: n/a
Mar 10, 2017
Reiterated: Hold
Price Target: $9 → $15
Current: $36.50
Upside: n/a
Jan 18, 2017
Downgraded: Hold
Price Target: $6 → $8.75
Current: $6.18
Upside: n/a
Jan 12, 2017
Reiterated: Hold
Price Target: $1.5
Current: $5.77
Upside: n/a
Mar 9, 2016
Reiterated: Buy
Price Target: $9
Current: $0.0001
Upside: n/a
Mar 9, 2016
Maintained: Buy
Price Target: $12 → $11
Current: $66.98
Upside: n/a
Feb 22, 2016
Maintained: Buy
Price Target: $15
Current: $0.8745
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: $67.05
Upside: n/a
May 2, 2014
Rated: Hold
Price Target: $6 → $4
Current: $55.68
Upside: n/a
Jan 27, 2010
Maintained: Buy
Price Target: $29
Current: $136.30
Upside: n/a