Biren Amin
Stock Analyst at Piper Sandler
(4.48)
# 1,053
Out of 4,361 analysts
618
Total ratings
46.5%
Success rate
9.6%
Average return
Main Sectors:
Stocks Rated by Biren Amin
| Stock | Action | Price Target | Current | Upside | Ratings | Updated | |
|---|---|---|---|---|---|---|---|
| REGN Regeneron Pharmaceuticals | Maintained: Buy | $855 | $602.92 | +41.81% | 45 | Jun 2, 2026 | |
| MNPR Monopar Therapeutics | Maintained: Buy | $101 | $60.99 | +65.60% | 8 | Jun 2, 2026 | |
| CNTX Context Therapeutics | Maintained: Buy | $7 | $2.42 | +189.26% | 8 | Jun 2, 2026 | |
| CATX Perspective Therapeutics | Maintained: Buy | $16 | $3.60 | +344.44% | 7 | Jun 1, 2026 | |
| IMNM Immunome | Maintained: Buy | $33 | $19.34 | +70.63% | 15 | Jun 1, 2026 | |
| CMPX Compass Therapeutics | Maintained: Buy | $12 → $4 | $2.08 | +92.31% | 7 | Jun 1, 2026 | |
| BBOT BridgeBio Oncology Therapeutics | Maintained: Buy | $21 | $8.27 | +153.93% | 8 | Jun 1, 2026 | |
| AAPG Ascentage Pharma Group International | Maintained: Buy | $48 | $18.45 | +160.16% | 8 | Jun 1, 2026 | |
| ALLO Allogene Therapeutics | Maintained: Buy | $10 | $2.05 | +387.80% | 22 | May 29, 2026 | |
| CBIO Crescent Biopharma | Maintained: Buy | $35 | $17.01 | +105.82% | 23 | May 26, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $17 → $18 | $6.58 | +173.56% | 16 | May 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 | $16.37 | +113.81% | 10 | May 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $111 | $63.88 | +73.76% | 30 | May 12, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $62 → $12 | $7.13 | +68.30% | 8 | May 12, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $11 | $4.63 | +137.58% | 4 | May 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $11 | $3.99 | +175.69% | 3 | May 8, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $71 | $29.29 | +142.40% | 12 | Apr 30, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $7 | $1.70 | +311.76% | 2 | Apr 13, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $31 | $8.31 | +273.04% | 24 | Apr 10, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $5 → $7 | $4.65 | +50.54% | 3 | Mar 30, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $16 | $16.25 | -1.54% | 26 | Mar 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $140 | $71.29 | +96.38% | 1 | Feb 26, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $9 | $5.69 | +58.17% | 9 | Feb 25, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $38 | $39.90 | -4.76% | 7 | Jan 16, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $35 → $51 | $7.54 | +576.39% | 4 | Oct 20, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $63 → $70 | $3.95 | n/a | 4 | May 19, 2023 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $142 → $94 | $154.84 | n/a | 44 | Mar 3, 2022 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $56 | $36.28 | n/a | 4 | Aug 24, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $25 | $0.45 | n/a | 20 | Jul 23, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $14 → $19 | $10.04 | n/a | 2 | Mar 17, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $8 → $7 | $3.38 | n/a | 11 | Mar 15, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $34 → $51 | $4.34 | n/a | 2 | Mar 12, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $59 → $34 | $1.05 | n/a | 2 | Feb 16, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $21 | $2.79 | n/a | 5 | Feb 10, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $27 → $32 | $4.31 | n/a | 2 | Jan 15, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $51 | $3.53 | n/a | 1 | Jan 11, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $39 → $109 | $2.57 | n/a | 3 | Dec 21, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $43 → $60 | $4.10 | n/a | 18 | Dec 21, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | n/a | $1.75 | n/a | 3 | Dec 9, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $15 → $10 | $2.39 | n/a | 2 | Sep 14, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $10 → $9 | $3.16 | n/a | 12 | Aug 7, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $36 → $18 | $41.32 | n/a | 32 | Jul 29, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $41 | $47.41 | n/a | 1 | Jul 7, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $18 → $2 | $4.75 | n/a | 4 | May 29, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $6 | $0.0002 | n/a | 1 | Mar 27, 2020 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $6 → $11 | $5.52 | n/a | 3 | Dec 3, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $12 | $51.26 | n/a | 10 | Nov 8, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $4 → $3.5 | $7.23 | 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 | $28.90 | 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 | $11.69 | n/a | 1 | Jun 5, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $12 | $104.67 | n/a | 1 | Mar 19, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $155 | $425.09 | n/a | 1 | Jul 11, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $17 | $4.50 | n/a | 1 | Jun 22, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $47 | $3.38 | n/a | 7 | Jun 6, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $3 | $0.8136 | n/a | 9 | May 15, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $9 → $15 | $26.14 | n/a | 10 | Mar 10, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $5 | $41.69 | n/a | 7 | Jan 25, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $6 → $8.75 | $7.65 | n/a | 7 | Jan 18, 2017 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $1.5 | $3.81 | 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 | $52.30 | n/a | 7 | Mar 9, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $15 | $1.51 | n/a | 1 | Feb 22, 2016 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $6 → $7 | $0.7753 | 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 | $58.56 | n/a | 7 | May 15, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Hold | $6 → $4 | $48.54 | n/a | 2 | May 2, 2014 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $29 | $127.57 | n/a | 1 | Jan 27, 2010 |
Regeneron Pharmaceuticals
Jun 2, 2026
Maintained: Buy
Price Target: $855
Current: $602.92
Upside: +41.81%
Monopar Therapeutics
Jun 2, 2026
Maintained: Buy
Price Target: $101
Current: $60.99
Upside: +65.60%
Context Therapeutics
Jun 2, 2026
Maintained: Buy
Price Target: $7
Current: $2.42
Upside: +189.26%
Perspective Therapeutics
Jun 1, 2026
Maintained: Buy
Price Target: $16
Current: $3.60
Upside: +344.44%
Immunome
Jun 1, 2026
Maintained: Buy
Price Target: $33
Current: $19.34
Upside: +70.63%
Compass Therapeutics
Jun 1, 2026
Maintained: Buy
Price Target: $12 → $4
Current: $2.08
Upside: +92.31%
BridgeBio Oncology Therapeutics
Jun 1, 2026
Maintained: Buy
Price Target: $21
Current: $8.27
Upside: +153.93%
Ascentage Pharma Group International
Jun 1, 2026
Maintained: Buy
Price Target: $48
Current: $18.45
Upside: +160.16%
Allogene Therapeutics
May 29, 2026
Maintained: Buy
Price Target: $10
Current: $2.05
Upside: +387.80%
Crescent Biopharma
May 26, 2026
Maintained: Buy
Price Target: $35
Current: $17.01
Upside: +105.82%
May 13, 2026
Maintained: Buy
Price Target: $17 → $18
Current: $6.58
Upside: +173.56%
May 13, 2026
Maintained: Buy
Price Target: $35
Current: $16.37
Upside: +113.81%
May 12, 2026
Maintained: Buy
Price Target: $111
Current: $63.88
Upside: +73.76%
May 12, 2026
Downgraded: Hold
Price Target: $62 → $12
Current: $7.13
Upside: +68.30%
May 11, 2026
Maintained: Buy
Price Target: $11
Current: $4.63
Upside: +137.58%
May 8, 2026
Maintained: Buy
Price Target: $11
Current: $3.99
Upside: +175.69%
Apr 30, 2026
Maintained: Buy
Price Target: $71
Current: $29.29
Upside: +142.40%
Apr 13, 2026
Maintained: Buy
Price Target: $7
Current: $1.70
Upside: +311.76%
Apr 10, 2026
Maintained: Buy
Price Target: $31
Current: $8.31
Upside: +273.04%
Mar 30, 2026
Maintained: Hold
Price Target: $5 → $7
Current: $4.65
Upside: +50.54%
Mar 11, 2026
Maintained: Hold
Price Target: $16
Current: $16.25
Upside: -1.54%
Feb 26, 2026
Maintained: Buy
Price Target: $140
Current: $71.29
Upside: +96.38%
Feb 25, 2026
Maintained: Buy
Price Target: $9
Current: $5.69
Upside: +58.17%
Jan 16, 2026
Maintained: Buy
Price Target: $38
Current: $39.90
Upside: -4.76%
Oct 20, 2025
Maintained: Buy
Price Target: $35 → $51
Current: $7.54
Upside: +576.39%
May 19, 2023
Maintained: Buy
Price Target: $63 → $70
Current: $3.95
Upside: n/a
Mar 3, 2022
Downgraded: Hold
Price Target: $142 → $94
Current: $154.84
Upside: n/a
Aug 24, 2021
Reiterated: Buy
Price Target: $56
Current: $36.28
Upside: n/a
Jul 23, 2021
Reiterated: Buy
Price Target: $25
Current: $0.45
Upside: n/a
Mar 17, 2021
Maintained: Buy
Price Target: $14 → $19
Current: $10.04
Upside: n/a
Mar 15, 2021
Rated: Buy
Price Target: $8 → $7
Current: $3.38
Upside: n/a
Mar 12, 2021
Reiterated: Buy
Price Target: $34 → $51
Current: $4.34
Upside: n/a
Feb 16, 2021
Downgraded: Hold
Price Target: $59 → $34
Current: $1.05
Upside: n/a
Feb 10, 2021
Reiterated: Buy
Price Target: $21
Current: $2.79
Upside: n/a
Jan 15, 2021
Reiterated: Buy
Price Target: $27 → $32
Current: $4.31
Upside: n/a
Jan 11, 2021
Initiated Coverage: Buy
Price Target: $51
Current: $3.53
Upside: n/a
Dec 21, 2020
Maintained: Buy
Price Target: $39 → $109
Current: $2.57
Upside: n/a
Dec 21, 2020
Maintained: Buy
Price Target: $43 → $60
Current: $4.10
Upside: n/a
Dec 9, 2020
Downgraded: Hold
Price Target: n/a
Current: $1.75
Upside: n/a
Sep 14, 2020
Downgraded: Hold
Price Target: $15 → $10
Current: $2.39
Upside: n/a
Aug 7, 2020
Maintained: Hold
Price Target: $10 → $9
Current: $3.16
Upside: n/a
Jul 29, 2020
Maintained: Hold
Price Target: $36 → $18
Current: $41.32
Upside: n/a
Jul 7, 2020
Initiated Coverage: Buy
Price Target: $41
Current: $47.41
Upside: n/a
May 29, 2020
Downgraded: Hold
Price Target: $18 → $2
Current: $4.75
Upside: n/a
Mar 27, 2020
Initiated Coverage: Buy
Price Target: $6
Current: $0.0002
Upside: n/a
Dec 3, 2019
Maintained: Buy
Price Target: $6 → $11
Current: $5.52
Upside: n/a
Nov 8, 2019
Downgraded: Hold
Price Target: $12
Current: $51.26
Upside: n/a
Nov 12, 2018
Reiterated: Hold
Price Target: $4 → $3.5
Current: $7.23
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: $28.90
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: $11.69
Upside: n/a
Mar 19, 2018
Initiated Coverage: Buy
Price Target: $12
Current: $104.67
Upside: n/a
Jul 11, 2017
Initiated Coverage: Buy
Price Target: $155
Current: $425.09
Upside: n/a
Jun 22, 2017
Reiterated: Buy
Price Target: $17
Current: $4.50
Upside: n/a
Jun 6, 2017
Reiterated: Buy
Price Target: $47
Current: $3.38
Upside: n/a
May 15, 2017
Reiterated: Hold
Price Target: $3
Current: $0.8136
Upside: n/a
Mar 10, 2017
Reiterated: Hold
Price Target: $9 → $15
Current: $26.14
Upside: n/a
Jan 25, 2017
Reiterated: Hold
Price Target: $5
Current: $41.69
Upside: n/a
Jan 18, 2017
Downgraded: Hold
Price Target: $6 → $8.75
Current: $7.65
Upside: n/a
Jan 12, 2017
Reiterated: Hold
Price Target: $1.5
Current: $3.81
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: $52.30
Upside: n/a
Feb 22, 2016
Maintained: Buy
Price Target: $15
Current: $1.51
Upside: n/a
Oct 30, 2015
Rated: Buy
Price Target: $6 → $7
Current: $0.7753
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: $58.56
Upside: n/a
May 2, 2014
Rated: Hold
Price Target: $6 → $4
Current: $48.54
Upside: n/a
Jan 27, 2010
Maintained: Buy
Price Target: $29
Current: $127.57
Upside: n/a