David Westenberg
Stock Analyst at Piper Sandler
(4.78)
# 580
Out of 4,707 analysts
552
Total ratings
56.6%
Success rate
17.8%
Average return
Main Sectors:
Stocks Rated by David Westenberg
| Stock | Action | Price Target | Current | Upside | Ratings | Updated | |
|---|---|---|---|---|---|---|---|
| MYGN Myriad Genetics | Downgraded: Sell | $8.5 → $2 | $3.19 | -37.30% | 22 | Sep 1, 2026 | |
| TEM Tempus AI | Upgraded: Buy | $56 → $76 | $64.62 | +17.61% | 17 | Sep 1, 2026 | |
| A Agilent Technologies | Reiterated: Hold | $150 | $150.86 | -0.57% | 2 | Aug 27, 2026 | |
| WAT Waters | Upgraded: Buy | $400 → $480 | $409.38 | +17.25% | 3 | Aug 27, 2026 | |
| NEO NeoGenomics | Maintained: Buy | $21 | $17.38 | +20.83% | 25 | Aug 27, 2026 | |
| NEOG Neogen | Upgraded: Buy | $13 → $14 | $11.83 | +18.34% | 25 | Aug 26, 2026 | |
| TRUP Trupanion | Downgraded: Hold | $45 → $32 | $27.80 | +15.11% | 10 | Aug 26, 2026 | |
| VCYT Veracyte | Maintained: Buy | $54 | $42.53 | +26.97% | 4 | Aug 24, 2026 | |
| NTRA Natera | Maintained: Buy | $364 | $328.18 | +10.76% | 53 | Aug 24, 2026 | |
| GH Guardant Health | Maintained: Buy | $193 | $161.41 | +19.57% | 40 | Aug 24, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $28 | $24.28 | +13.26% | 38 | Aug 24, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $135 → $80 | $75.81 | +5.53% | 27 | Aug 10, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $30 | $24.50 | +22.45% | 26 | Aug 10, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $42 → $47 | $62.65 | -24.98% | 9 | Aug 10, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $2 | $1.35 | +48.15% | 30 | Aug 6, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $7.5 | $4.70 | +59.57% | 38 | Aug 6, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $56 | $80.34 | -30.30% | 4 | Aug 6, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $21 | $25.07 | -16.23% | 4 | Aug 6, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $130 → $120 | $99.39 | +20.74% | 5 | Aug 6, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $85 → $115 | $124.72 | -7.79% | 2 | Aug 5, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $300 → $309 | $326.89 | -5.47% | 8 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $15 → $19 | $19.73 | -3.70% | 21 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $63 | $85.99 | -26.74% | 14 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $200 → $225 | $218.22 | +3.11% | 53 | Aug 3, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | €80.00 | €72.55 | +10.27% | 2 | Jul 29, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $200 | $207.66 | -3.69% | 2 | Jul 27, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $510 → $600 | $613.78 | -2.25% | 2 | Jul 27, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | $65 | $72.43 | -10.26% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | €75.00 | €74.04 | +1.30% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $775 → $750 | $535.38 | +40.09% | 27 | Feb 9, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $190 → $200 | $237.14 | -15.66% | 12 | Oct 27, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | 150p → 190p | 158p | n/a | 6 | Sep 3, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Hold | $3.5 → $3 | $4.13 | n/a | 10 | Nov 13, 2023 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $28 | $4.15 | n/a | 1 | Oct 4, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | n/a | $38.25 | n/a | 1 | May 23, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Upgraded: Buy | $65 | $167.60 | n/a | 2 | Dec 17, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | n/a | $1.81 | n/a | 1 | Jun 15, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | n/a | $386.11 | n/a | 2 | Feb 16, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Upgraded: Buy | $52 | $13.97 | n/a | 1 | Jan 4, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $47 | $41.71 | n/a | 1 | Dec 7, 2017 |
Myriad Genetics
Sep 1, 2026
Downgraded: Sell
Price Target: $8.5 → $2
Current: $3.19
Upside: -37.30%
Tempus AI
Sep 1, 2026
Upgraded: Buy
Price Target: $56 → $76
Current: $64.62
Upside: +17.61%
Agilent Technologies
Aug 27, 2026
Reiterated: Hold
Price Target: $150
Current: $150.86
Upside: -0.57%
Waters
Aug 27, 2026
Upgraded: Buy
Price Target: $400 → $480
Current: $409.38
Upside: +17.25%
NeoGenomics
Aug 27, 2026
Maintained: Buy
Price Target: $21
Current: $17.38
Upside: +20.83%
Neogen
Aug 26, 2026
Upgraded: Buy
Price Target: $13 → $14
Current: $11.83
Upside: +18.34%
Trupanion
Aug 26, 2026
Downgraded: Hold
Price Target: $45 → $32
Current: $27.80
Upside: +15.11%
Veracyte
Aug 24, 2026
Maintained: Buy
Price Target: $54
Current: $42.53
Upside: +26.97%
Natera
Aug 24, 2026
Maintained: Buy
Price Target: $364
Current: $328.18
Upside: +10.76%
Guardant Health
Aug 24, 2026
Maintained: Buy
Price Target: $193
Current: $161.41
Upside: +19.57%
Aug 24, 2026
Maintained: Buy
Price Target: $28
Current: $24.28
Upside: +13.26%
Aug 10, 2026
Maintained: Hold
Price Target: $135 → $80
Current: $75.81
Upside: +5.53%
Aug 10, 2026
Maintained: Buy
Price Target: $30
Current: $24.50
Upside: +22.45%
Aug 10, 2026
Maintained: Hold
Price Target: $42 → $47
Current: $62.65
Upside: -24.98%
Aug 6, 2026
Reiterated: Hold
Price Target: $2
Current: $1.35
Upside: +48.15%
Aug 6, 2026
Reiterated: Buy
Price Target: $7.5
Current: $4.70
Upside: +59.57%
Aug 6, 2026
Maintained: Hold
Price Target: $56
Current: $80.34
Upside: -30.30%
Aug 6, 2026
Maintained: Hold
Price Target: $21
Current: $25.07
Upside: -16.23%
Aug 6, 2026
Reiterated: Buy
Price Target: $130 → $120
Current: $99.39
Upside: +20.74%
Aug 5, 2026
Rated: Buy
Price Target: $85 → $115
Current: $124.72
Upside: -7.79%
Aug 4, 2026
Reiterated: Hold
Price Target: $300 → $309
Current: $326.89
Upside: -5.47%
Aug 4, 2026
Reiterated: Hold
Price Target: $15 → $19
Current: $19.73
Upside: -3.70%
Aug 4, 2026
Maintained: Buy
Price Target: $63
Current: $85.99
Upside: -26.74%
Aug 3, 2026
Reiterated: Buy
Price Target: $200 → $225
Current: $218.22
Upside: +3.11%
Jul 29, 2026
Reiterated: Hold
Price Target: €80.00
Current: €72.55
Upside: +10.27%
Jul 27, 2026
Maintained: Hold
Price Target: $200
Current: $207.66
Upside: -3.69%
Jul 27, 2026
Maintained: Hold
Price Target: $510 → $600
Current: $613.78
Upside: -2.25%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: $65
Current: $72.43
Upside: -10.26%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: €75.00
Current: €74.04
Upside: +1.30%
Feb 9, 2026
Maintained: Hold
Price Target: $775 → $750
Current: $535.38
Upside: +40.09%
Oct 27, 2025
Reiterated: Hold
Price Target: $190 → $200
Current: $237.14
Upside: -15.66%
Sep 3, 2025
Maintained: Buy
Price Target: 150p → 190p
Current: 158p
Upside: n/a
Nov 13, 2023
Rated: Hold
Price Target: $3.5 → $3
Current: $4.13
Upside: n/a
Oct 4, 2021
Initiated Coverage: Buy
Price Target: $28
Current: $4.15
Upside: n/a
May 23, 2019
Initiated Coverage: Hold
Price Target: n/a
Current: $38.25
Upside: n/a
Dec 17, 2018
Upgraded: Buy
Price Target: $65
Current: $167.60
Upside: n/a
Jun 15, 2018
Initiated Coverage: Hold
Price Target: n/a
Current: $1.81
Upside: n/a
Feb 16, 2018
Downgraded: Hold
Price Target: n/a
Current: $386.11
Upside: n/a
Jan 4, 2018
Upgraded: Buy
Price Target: $52
Current: $13.97
Upside: n/a
Dec 7, 2017
Initiated Coverage: Buy
Price Target: $47
Current: $41.71
Upside: n/a