David Westenberg
Stock Analyst at Piper Sandler
(4.73)
# 702
Out of 4,662 analysts
540
Total ratings
54.7%
Success rate
16.2%
Average return
Main Sectors:
Stocks Rated by David Westenberg
| Stock | Action | Price Target | Current | Upside | Ratings | Updated | |
|---|---|---|---|---|---|---|---|
| NTRA Natera | Rated: Buy | $249 → $364 | $325.07 | +11.82% | 52 | Aug 12, 2026 | |
| ZTS Zoetis | Maintained: Hold | $135 → $80 | $76.68 | +4.33% | 27 | Aug 10, 2026 | |
| ELAN Elanco Animal Health | Maintained: Buy | $30 | $24.50 | +22.45% | 26 | Aug 10, 2026 | |
| TXG 10x Genomics | Maintained: Hold | $42 → $47 | $62.19 | -24.43% | 9 | Aug 10, 2026 | |
| PACB Pacific Biosciences of California | Reiterated: Hold | $2 | $1.27 | +57.48% | 30 | Aug 6, 2026 | |
| TRUP Trupanion | Reiterated: Buy | $45 | $31.10 | +44.69% | 9 | Aug 6, 2026 | |
| CTKB Cytek Biosciences | Reiterated: Buy | $7.5 | $4.70 | +59.57% | 38 | Aug 6, 2026 | |
| GRAL GRAIL | Maintained: Hold | $56 | $73.96 | -24.28% | 4 | Aug 6, 2026 | |
| CAI Caris Life Sciences | Maintained: Hold | $21 | $22.76 | -7.73% | 4 | Aug 6, 2026 | |
| BLLN BillionToOne | Reiterated: Buy | $130 → $120 | $91.67 | +30.90% | 5 | Aug 6, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $400 | $415.84 | -3.81% | 2 | Aug 5, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Buy | $85 → $115 | $142.39 | -19.24% | 2 | Aug 5, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $300 → $309 | $330.44 | -6.49% | 8 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $66 → $54 | $42.19 | +27.99% | 3 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $15 → $19 | $19.74 | -3.75% | 21 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $135 → $193 | $163.34 | +18.16% | 39 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $20 → $28 | $25.49 | +7.89% | 37 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $63 | $79.65 | -20.90% | 14 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $58 → $56 | $61.25 | -8.57% | 16 | Aug 4, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $200 → $225 | $205.00 | +9.76% | 53 | Aug 3, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $10 → $13 | $12.15 | +7.00% | 24 | Aug 3, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $8.5 | $3.19 | +166.46% | 21 | Jul 31, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | €80.00 | €73.10 | +9.44% | 2 | Jul 29, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $200 | $211.50 | -5.44% | 2 | Jul 27, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $510 → $600 | $613.54 | -2.21% | 2 | Jul 27, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | $150 | $155.41 | -3.48% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | $65 | $72.48 | -10.32% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | €75.00 | €73.54 | +1.99% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $13 | $16.66 | -21.95% | 23 | Apr 30, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $775 → $750 | $562.20 | +33.40% | 27 | Feb 9, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $190 → $200 | $241.76 | -17.27% | 12 | Oct 27, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | 150p → 190p | 140p | +36.01% | 6 | Sep 3, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Hold | $3.5 → $3 | $4.38 | n/a | 10 | Nov 13, 2023 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $28 | $2.55 | n/a | 1 | Oct 4, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | n/a | $35.44 | n/a | 1 | May 23, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Upgraded: Buy | $65 | $176.36 | n/a | 2 | Dec 17, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | n/a | $1.77 | n/a | 1 | Jun 15, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | n/a | $364.26 | n/a | 2 | Feb 16, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Upgraded: Buy | $52 | $13.80 | n/a | 1 | Jan 4, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $47 | $44.37 | n/a | 1 | Dec 7, 2017 |
Natera
Aug 12, 2026
Rated: Buy
Price Target: $249 → $364
Current: $325.07
Upside: +11.82%
Zoetis
Aug 10, 2026
Maintained: Hold
Price Target: $135 → $80
Current: $76.68
Upside: +4.33%
Elanco Animal Health
Aug 10, 2026
Maintained: Buy
Price Target: $30
Current: $24.50
Upside: +22.45%
10x Genomics
Aug 10, 2026
Maintained: Hold
Price Target: $42 → $47
Current: $62.19
Upside: -24.43%
Pacific Biosciences of California
Aug 6, 2026
Reiterated: Hold
Price Target: $2
Current: $1.27
Upside: +57.48%
Trupanion
Aug 6, 2026
Reiterated: Buy
Price Target: $45
Current: $31.10
Upside: +44.69%
Cytek Biosciences
Aug 6, 2026
Reiterated: Buy
Price Target: $7.5
Current: $4.70
Upside: +59.57%
GRAIL
Aug 6, 2026
Maintained: Hold
Price Target: $56
Current: $73.96
Upside: -24.28%
Caris Life Sciences
Aug 6, 2026
Maintained: Hold
Price Target: $21
Current: $22.76
Upside: -7.73%
BillionToOne
Aug 6, 2026
Reiterated: Buy
Price Target: $130 → $120
Current: $91.67
Upside: +30.90%
Aug 5, 2026
Maintained: Hold
Price Target: $400
Current: $415.84
Upside: -3.81%
Aug 5, 2026
Rated: Buy
Price Target: $85 → $115
Current: $142.39
Upside: -19.24%
Aug 4, 2026
Reiterated: Hold
Price Target: $300 → $309
Current: $330.44
Upside: -6.49%
Aug 4, 2026
Reiterated: Buy
Price Target: $66 → $54
Current: $42.19
Upside: +27.99%
Aug 4, 2026
Reiterated: Hold
Price Target: $15 → $19
Current: $19.74
Upside: -3.75%
Aug 4, 2026
Reiterated: Buy
Price Target: $135 → $193
Current: $163.34
Upside: +18.16%
Aug 4, 2026
Reiterated: Buy
Price Target: $20 → $28
Current: $25.49
Upside: +7.89%
Aug 4, 2026
Maintained: Buy
Price Target: $63
Current: $79.65
Upside: -20.90%
Aug 4, 2026
Reiterated: Hold
Price Target: $58 → $56
Current: $61.25
Upside: -8.57%
Aug 3, 2026
Reiterated: Buy
Price Target: $200 → $225
Current: $205.00
Upside: +9.76%
Aug 3, 2026
Reiterated: Hold
Price Target: $10 → $13
Current: $12.15
Upside: +7.00%
Jul 31, 2026
Maintained: Buy
Price Target: $8.5
Current: $3.19
Upside: +166.46%
Jul 29, 2026
Reiterated: Hold
Price Target: €80.00
Current: €73.10
Upside: +9.44%
Jul 27, 2026
Maintained: Hold
Price Target: $200
Current: $211.50
Upside: -5.44%
Jul 27, 2026
Maintained: Hold
Price Target: $510 → $600
Current: $613.54
Upside: -2.21%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: $150
Current: $155.41
Upside: -3.48%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: $65
Current: $72.48
Upside: -10.32%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: €75.00
Current: €73.54
Upside: +1.99%
Apr 30, 2026
Reiterated: Buy
Price Target: $13
Current: $16.66
Upside: -21.95%
Feb 9, 2026
Maintained: Hold
Price Target: $775 → $750
Current: $562.20
Upside: +33.40%
Oct 27, 2025
Reiterated: Hold
Price Target: $190 → $200
Current: $241.76
Upside: -17.27%
Sep 3, 2025
Maintained: Buy
Price Target: 150p → 190p
Current: 140p
Upside: +36.01%
Nov 13, 2023
Rated: Hold
Price Target: $3.5 → $3
Current: $4.38
Upside: n/a
Oct 4, 2021
Initiated Coverage: Buy
Price Target: $28
Current: $2.55
Upside: n/a
May 23, 2019
Initiated Coverage: Hold
Price Target: n/a
Current: $35.44
Upside: n/a
Dec 17, 2018
Upgraded: Buy
Price Target: $65
Current: $176.36
Upside: n/a
Jun 15, 2018
Initiated Coverage: Hold
Price Target: n/a
Current: $1.77
Upside: n/a
Feb 16, 2018
Downgraded: Hold
Price Target: n/a
Current: $364.26
Upside: n/a
Jan 4, 2018
Upgraded: Buy
Price Target: $52
Current: $13.80
Upside: n/a
Dec 7, 2017
Initiated Coverage: Buy
Price Target: $47
Current: $44.37
Upside: n/a