David Westenberg
Stock Analyst at Piper Sandler
(4.73)
# 733
Out of 4,581 analysts
513
Total ratings
54.9%
Success rate
15.4%
Average return
Main Sectors:
Stocks Rated by David Westenberg
| Stock | Action | Price Target | Current | Upside | Ratings | Updated | |
|---|---|---|---|---|---|---|---|
| ADPT Adaptive Biotechnologies | Maintained: Buy | $20 | $22.56 | -11.35% | 36 | Jul 30, 2026 | |
| EPA: BIM bioMérieux S.A. | Reiterated: Hold | €80.00 | €71.95 | +11.19% | 2 | Jul 29, 2026 | |
| DHR Danaher | Maintained: Hold | $200 | $196.49 | +1.79% | 2 | Jul 27, 2026 | |
| TMO Thermo Fisher Scientific | Maintained: Hold | $510 → $600 | $576.46 | +4.08% | 2 | Jul 27, 2026 | |
| NTRA Natera | Maintained: Buy | $249 | $253.82 | -1.90% | 50 | Jul 17, 2026 | |
| VCYT Veracyte | Initiated Coverage: Buy | $66 | $55.71 | +18.47% | 1 | Jul 15, 2026 | |
| ILMN Illumina | Rated: Buy | $170 → $200 | $194.82 | +2.66% | 52 | Jul 1, 2026 | |
| TXG 10x Genomics | Rated: Hold | $20 → $42 | $46.32 | -9.33% | 8 | Jul 1, 2026 | |
| ELAN Elanco Animal Health | Reiterated: Buy | $30 | $26.39 | +13.68% | 25 | Jun 29, 2026 | |
| WGS GeneDx Holdings | Maintained: Buy | $130 → $63 | $63.69 | -1.08% | 13 | Jun 23, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | $150 | $140.30 | +6.91% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | $65 | $72.03 | -9.76% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | $400 | $379.48 | +5.41% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | €75.00 | €69.56 | +7.82% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $85 | $85.47 | -0.55% | 1 | Jun 11, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $56 | $63.44 | -11.73% | 3 | Jun 2, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $135 | $144.07 | -6.30% | 37 | May 28, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $8.5 | $5.04 | +68.65% | 20 | May 12, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $58 | $41.55 | +39.59% | 14 | May 12, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $21 | $15.59 | +34.70% | 3 | May 12, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $2 | $1.40 | +42.86% | 29 | May 8, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $7.5 | $4.38 | +71.23% | 37 | May 8, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $150 → $130 | $132.52 | -1.90% | 4 | May 7, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $30 → $15 | $19.64 | -23.63% | 19 | May 5, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | $45 | $25.85 | +74.08% | 8 | May 1, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Buy | $13 | $15.27 | -14.87% | 23 | Apr 30, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $270 → $300 | $307.15 | -2.33% | 7 | Feb 24, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $775 → $750 | $569.77 | +31.63% | 27 | Feb 9, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | $190 → $135 | $77.93 | +73.23% | 26 | Jan 22, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Hold | $6.5 → $10 | $9.40 | +6.38% | 23 | Jan 12, 2026 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Reiterated: Hold | $190 → $200 | $235.22 | -14.97% | 12 | Oct 27, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Maintained: Buy | 150p → 190p | 112p | +69.04% | 6 | Sep 3, 2025 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Rated: Hold | $3.5 → $3 | $4.37 | n/a | 10 | Nov 13, 2023 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $28 | $1.96 | n/a | 1 | Oct 4, 2021 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | n/a | $36.95 | n/a | 1 | May 23, 2019 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Upgraded: Buy | $65 | $141.23 | n/a | 2 | Dec 17, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Hold | n/a | $1.98 | n/a | 1 | Jun 15, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Downgraded: Hold | n/a | $327.25 | n/a | 2 | Feb 16, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Upgraded: Buy | $52 | $16.50 | n/a | 1 | Jan 4, 2018 | |
| XXXX XXXXXXXXXXXXXXXX Upgrade | Initiated Coverage: Buy | $47 | $44.16 | n/a | 1 | Dec 7, 2017 |
Adaptive Biotechnologies
Jul 30, 2026
Maintained: Buy
Price Target: $20
Current: $22.56
Upside: -11.35%
bioMérieux S.A.
Jul 29, 2026
Reiterated: Hold
Price Target: €80.00
Current: €71.95
Upside: +11.19%
Danaher
Jul 27, 2026
Maintained: Hold
Price Target: $200
Current: $196.49
Upside: +1.79%
Thermo Fisher Scientific
Jul 27, 2026
Maintained: Hold
Price Target: $510 → $600
Current: $576.46
Upside: +4.08%
Natera
Jul 17, 2026
Maintained: Buy
Price Target: $249
Current: $253.82
Upside: -1.90%
Veracyte
Jul 15, 2026
Initiated Coverage: Buy
Price Target: $66
Current: $55.71
Upside: +18.47%
Illumina
Jul 1, 2026
Rated: Buy
Price Target: $170 → $200
Current: $194.82
Upside: +2.66%
10x Genomics
Jul 1, 2026
Rated: Hold
Price Target: $20 → $42
Current: $46.32
Upside: -9.33%
Elanco Animal Health
Jun 29, 2026
Reiterated: Buy
Price Target: $30
Current: $26.39
Upside: +13.68%
GeneDx Holdings
Jun 23, 2026
Maintained: Buy
Price Target: $130 → $63
Current: $63.69
Upside: -1.08%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: $150
Current: $140.30
Upside: +6.91%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: $65
Current: $72.03
Upside: -9.76%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: $400
Current: $379.48
Upside: +5.41%
Jun 11, 2026
Initiated Coverage: Hold
Price Target: €75.00
Current: €69.56
Upside: +7.82%
Jun 11, 2026
Initiated Coverage: Buy
Price Target: $85
Current: $85.47
Upside: -0.55%
Jun 2, 2026
Maintained: Hold
Price Target: $56
Current: $63.44
Upside: -11.73%
May 28, 2026
Reiterated: Buy
Price Target: $135
Current: $144.07
Upside: -6.30%
May 12, 2026
Maintained: Buy
Price Target: $8.5
Current: $5.04
Upside: +68.65%
May 12, 2026
Maintained: Hold
Price Target: $58
Current: $41.55
Upside: +39.59%
May 12, 2026
Maintained: Hold
Price Target: $21
Current: $15.59
Upside: +34.70%
May 8, 2026
Reiterated: Hold
Price Target: $2
Current: $1.40
Upside: +42.86%
May 8, 2026
Maintained: Buy
Price Target: $7.5
Current: $4.38
Upside: +71.23%
May 7, 2026
Maintained: Buy
Price Target: $150 → $130
Current: $132.52
Upside: -1.90%
May 5, 2026
Reiterated: Hold
Price Target: $30 → $15
Current: $19.64
Upside: -23.63%
May 1, 2026
Maintained: Buy
Price Target: $45
Current: $25.85
Upside: +74.08%
Apr 30, 2026
Reiterated: Buy
Price Target: $13
Current: $15.27
Upside: -14.87%
Feb 24, 2026
Reiterated: Hold
Price Target: $270 → $300
Current: $307.15
Upside: -2.33%
Feb 9, 2026
Maintained: Hold
Price Target: $775 → $750
Current: $569.77
Upside: +31.63%
Jan 22, 2026
Downgraded: Hold
Price Target: $190 → $135
Current: $77.93
Upside: +73.23%
Jan 12, 2026
Maintained: Hold
Price Target: $6.5 → $10
Current: $9.40
Upside: +6.38%
Oct 27, 2025
Reiterated: Hold
Price Target: $190 → $200
Current: $235.22
Upside: -14.97%
Sep 3, 2025
Maintained: Buy
Price Target: 150p → 190p
Current: 112p
Upside: +69.04%
Nov 13, 2023
Rated: Hold
Price Target: $3.5 → $3
Current: $4.37
Upside: n/a
Oct 4, 2021
Initiated Coverage: Buy
Price Target: $28
Current: $1.96
Upside: n/a
May 23, 2019
Initiated Coverage: Hold
Price Target: n/a
Current: $36.95
Upside: n/a
Dec 17, 2018
Upgraded: Buy
Price Target: $65
Current: $141.23
Upside: n/a
Jun 15, 2018
Initiated Coverage: Hold
Price Target: n/a
Current: $1.98
Upside: n/a
Feb 16, 2018
Downgraded: Hold
Price Target: n/a
Current: $327.25
Upside: n/a
Jan 4, 2018
Upgraded: Buy
Price Target: $52
Current: $16.50
Upside: n/a
Dec 7, 2017
Initiated Coverage: Buy
Price Target: $47
Current: $44.16
Upside: n/a