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Paul Silverstein is an analyst at TD Cowen. Analyst ratings are quantitative and qualitative analysis of a stock by Wall Street stock rating analysts. Stock ratings consist of expected future growth, current stock valuation and macroeconomic trends. Updated 03/27/2025
| Buy Now | Get Alert | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 04/21/2023 | CALX | Buy Now | Calix | $35.50 | 122.54% | Paul Silverstein58% | $78 → $79 | Maintains | Outperform | Get Alert |
| 04/20/2023 | FFIV | Buy Now | F5 | $270.08 | -37.06% | Paul Silverstein58% | $177 → $170 | Maintains | Outperform | Get Alert |
| 04/19/2023 | ERIC | Buy Now | Telefonaktiebolaget L M | $7.84 | -10.71% | Paul Silverstein58% | $8 → $7 | Maintains | Outperform | Get Alert |
| 02/22/2023 | ADTN | Buy Now | Adtran | $9.23 | 235.86% | Paul Silverstein58% | $34 → $31 | Maintains | Outperform | Get Alert |
| 02/16/2023 | CSCO | Buy Now | Cisco Systems | $61.79 | 3.58% | Paul Silverstein58% | $61 → $64 | Maintains | Outperform | Get Alert |
| 02/14/2023 | ANET | Buy Now | Arista Networks | $79.05 | 184.63% | Paul Silverstein58% | $53 → $56.25 | Maintains | Outperform | Get Alert |
| 02/09/2023 | COHR | Buy Now | Coherent | $67.05 | 29.75% | Paul Silverstein58% | $95 → $87 | Maintains | Outperform | Get Alert |
| 02/03/2023 | CLFD | Buy Now | Clearfield | $30.53 | 273.4% | Paul Silverstein58% | $141 → $114 | Maintains | Outperform | Get Alert |
| 01/25/2023 | FFIV | Buy Now | F5 | $270.08 | -34.46% | Paul Silverstein58% | $187 → $177 | Maintains | Outperform | Get Alert |
| 01/23/2023 | ERIC | Buy Now | Telefonaktiebolaget L M | $7.84 | 2.04% | Paul Silverstein58% | $10 → $8 | Maintains | Outperform | Get Alert |
| 01/17/2023 | ERIC | Buy Now | Telefonaktiebolaget L M | $7.84 | 27.55% | Paul Silverstein58% | $8 → $10 | Maintains | Outperform | Get Alert |
| 01/04/2023 | CLFD | Buy Now | Clearfield | $30.53 | 361.84% | Paul Silverstein58% | → $141 | Initiates | → Outperform | Get Alert |
| 12/19/2022 | DZSI | Buy Now | DZS | $0.02 | 119517.22% | Paul Silverstein58% | → $25 | Initiates | → Outperform | Get Alert |
| 12/13/2022 | ANET | Buy Now | Arista Networks | $79.05 | 168.18% | Paul Silverstein58% | $50.75 → $53 | Maintains | Outperform | Get Alert |
| 11/17/2022 | CSCO | Buy Now | Cisco Systems | $61.79 | -1.28% | Paul Silverstein58% | $60 → $61 | Maintains | Outperform | Get Alert |
| 11/01/2022 | ANET | Buy Now | Arista Networks | $79.05 | 156.8% | Paul Silverstein58% | $40.75 → $50.75 | Maintains | Outperform | Get Alert |
| 10/21/2022 | ERIC | Buy Now | Telefonaktiebolaget L M | $7.84 | 2.04% | Paul Silverstein58% | $11 → $8 | Maintains | Outperform | Get Alert |
| 09/02/2022 | CIEN | Buy Now | Ciena | $62.88 | 12.91% | Paul Silverstein58% | $82 → $71 | Maintains | Outperform | Get Alert |
| 08/18/2022 | CSCO | Buy Now | Cisco Systems | $61.79 | -2.9% | Paul Silverstein58% | $58 → $60 | Maintains | Outperform | Get Alert |
| 08/12/2022 | RKLY | Buy Now | Rockley Photonics Hldgs | — | — | Paul Silverstein58% | $21 → $14 | Maintains | Outperform | Get Alert |
| 08/02/2022 | ANET | Buy Now | Arista Networks | $79.05 | 106.2% | Paul Silverstein58% | $38.5 → $40.75 | Maintains | Outperform | Get Alert |
| 07/27/2022 | CALX | Buy Now | Calix | $35.50 | 100% | Paul Silverstein58% | $48 → $71 | Maintains | Outperform | Get Alert |
| 07/26/2022 | FFIV | Buy Now | F5 | $270.08 | -22.99% | Paul Silverstein58% | $212 → $208 | Maintains | Outperform | Get Alert |
| 06/06/2022 | CIEN | Buy Now | Ciena | $62.88 | 30.41% | Paul Silverstein58% | $96 → $82 | Maintains | Outperform | Get Alert |
| 02/17/2022 | CSCO | Buy Now | Cisco Systems | $61.79 | 6.81% | Paul Silverstein58% | $61 → $66 | Maintains | Outperform | Get Alert |
| 02/14/2022 | CSCO | Buy Now | Cisco Systems | $61.79 | -1.28% | Paul Silverstein58% | $64 → $61 | Maintains | Outperform | Get Alert |
| 09/09/2021 | RKLY | Buy Now | Rockley Photonics Hldgs | — | — | Paul Silverstein58% | → $22 | Initiates | → Outperform | Get Alert |
| 08/06/2021 | ADTN | Buy Now | Adtran | $9.23 | 214.19% | Paul Silverstein58% | → $29 | Upgrade | Market Perform → Outperform | Get Alert |
| 07/30/2021 | NOK | Buy Now | Nokia | $5.29 | 51.23% | Paul Silverstein58% | $5 → $8 | Upgrade | Market Perform → Outperform | Get Alert |
| 05/26/2021 | EMKR | Buy Now | EMCORE | — | — | Paul Silverstein58% | → $160 | Initiates | → Outperform | Get Alert |
| 02/10/2021 | IIVI | Buy Now | II-VI | — | — | Paul Silverstein58% | $86 → $124 | Maintains | Outperform | Get Alert |
| 02/05/2021 | MSI | Buy Now | Motorola Solns | $432.33 | -50.04% | Paul Silverstein58% | $183 → $216 | Maintains | Outperform | Get Alert |
| 06/01/2020 | CIEN | Buy Now | Ciena | $62.88 | 9.73% | Paul Silverstein58% | $58 → $69 | Maintains | Outperform | Get Alert |
| 12/20/2019 | FFIV | Buy Now | F5 | $270.08 | -37.43% | Paul Silverstein58% | $185 → $169 | Maintains | Outperform | Get Alert |
| 11/06/2018 | CALX | Buy Now | Calix | $35.50 | -60.56% | Paul Silverstein58% | $6 → $14 | Upgrade | Market Perform → Outperform | Get Alert |
| 07/23/2018 | IIVI | Buy Now | II-VI | — | — | Paul Silverstein58% | → $57 | Initiates | → Outperform | Get Alert |
| 07/11/2018 | MSI | Buy Now | Motorola Solns | $432.33 | — | Paul Silverstein58% | — | Upgrade | Market Perform → Outperform | Get Alert |
| 02/22/2018 | AAOI | Buy Now | Applied Optoelectronics | $17.75 | 198.59% | Paul Silverstein58% | $60 → $53 | Maintains | Outperform | Get Alert |
| 11/07/2017 | BSFT | Buy Now | BroadSoft | — | — | Paul Silverstein58% | — | Downgrade | Outperform → Market Perform | Get Alert |
| 01/30/2017 | NPTN | Buy Now | NeoPhotonics | — | — | Paul Silverstein58% | — | Initiates | → Outperform | Get Alert |
| 08/18/2016 | CSCO | Buy Now | Cisco Systems | $61.79 | -35.26% | Paul Silverstein58% | $39 → $40 | Maintains | Outperform | Get Alert |
| 02/25/2016 | AAOI | Buy Now | Applied Optoelectronics | $17.75 | 40.85% | Paul Silverstein58% | $23 → $25 | Maintains | Outperform | Get Alert |
| 02/10/2016 | CALX | Buy Now | Calix | $35.50 | — | Paul Silverstein58% | — | Downgrade | Outperform → Market Perform | Get Alert |
| 02/04/2016 | ADTN | Buy Now | Adtran | $9.23 | — | Paul Silverstein58% | — | Upgrade | Underperform → Market Perform | Get Alert |
| 05/06/2014 | BSFT | Buy Now | BroadSoft, Inc. | — | — | Paul Silverstein58% | → $27 | Upgrade | Market Perform → Outperform | Get Alert |
| 10/21/2013 | AAOI | Buy Now | Applied Optoelectronics | $17.75 | -15.49% | Paul Silverstein58% | → $15 | Initiates | → Outperform | Get Alert |
| 09/03/2013 | NOK | Buy Now | Nokia | $5.29 | — | Paul Silverstein58% | — | Upgrade | Underperform → Market Perform | Get Alert |
| 05/07/2013 | FFIV | Buy Now | F5 | $270.08 | — | Paul Silverstein58% | — | Initiates | → Outperform | Get Alert |
| 05/07/2013 | CALX | Buy Now | Calix | $35.50 | — | Paul Silverstein58% | — | Initiates | → Outperform | Get Alert |
| 05/07/2013 | CIEN | Buy Now | CIENA Corporation | $62.88 | — | Paul Silverstein58% | — | Initiates | → Outperform | Get Alert |
| 05/07/2013 | ADTN | Buy Now | Adtran | $9.23 | — | Paul Silverstein58% | — | Initiates | → Underperform | Get Alert |
| 05/07/2013 | CSCO | Buy Now | Cisco Systems | $61.79 | — | Paul Silverstein58% | — | Initiates | → Outperform | Get Alert |
