Ratings by William Blair (Margaret Kaczor)

Date CompanySymbol Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
1/15/2026 Penumbra PEN Downgrade Market Perform
(Outperform)
313.43
(321.19)
2.48% Details
4/29/2025 Insulet Corporation PODD Maintain Outperform
(N/A)
 
 
  Details
8/27/2024 ResMed RMD Maintain Outperform
(N/A)
 
 
  Details
8/12/2024 Neuronetics STIM Downgrade Market Perform
(Outperform)
1.78
(1.98)
11.24% Details
5/14/2024 Neuronetics STIM Upgrade Outperform
(Market Perform)
2.56
(1.98)
-22.66% Details
4/5/2024 STAAR Surgical STAA Upgrade Outperform
(Market Perform)
39.07
(24.36)
-37.65% Details
3/22/2024 Cutera CUTR Upgrade Market Perform
(Underperform)
2.30
(0.10)
-95.65% Details
2/15/2024 Inogen, Inc INGN Upgrade Outperform
(Market Perform)
8.51
(6.45)
-24.21% Details
11/14/2023 The Beauty Health Company SKIN Downgrade Market Perform
(Outperform)
3.90
(0.69)
-82.31% Details
6/7/2023 STAAR Surgical STAA Downgrade Market Perform
(Outperform)
56.45
(24.36)
-56.85% Details
5/11/2023 Cutera CUTR Maintain Market Perform
(N/A)
 
 
  Details
1/31/2023 Cutera CUTR New Coverage Market Perform
(N/A)
33.79
(0.10)
-99.7% Details
1/17/2023 Inogen, Inc INGN Downgrade Market Perform
(Outperform)
23.23
(6.45)
-72.23% Details
11/1/2022 ABIOMED ABMD Downgrade Market Perform
(Outperform)
252.08
(381.02)
51.15% Details
10/25/2022 Sientra SIEN Downgrade Market Perform
(Outperform)
0.26
(0.17)
-34.62% Details
8/4/2022 Vapotherm VAPO Downgrade Market Perform
(Outperform)
2.56
(2.17)
-15.23% Details
1/7/2022 The Beauty Health Company SKIN New Coverage Outperform
(N/A)
21.79
(0.69)
-96.83% Details
10/13/2021 Neuronetics STIM Downgrade Market Perform
(Outperform)
6.40
(1.98)
-69.06% Details
9/23/2021 Eargo Inc. EAR Downgrade Market Perform
(Outperform)
21.67
(2.57)
-88.14% Details
6/4/2021 Inogen, Inc INGN Upgrade Outperform
(Market Perform)
59.49
(6.45)
-89.16% Details
1/22/2021 Neuronetics STIM Upgrade Outperform
(Market Perform)
18.42
(6.40)
-65.26% Details
6/11/2020 Inogen, Inc INGN Downgrade Market Perform
(Outperform)
40.15
(6.45)
-83.94% Details
5/5/2020 Neuronetics STIM Downgrade Market Perform
(Outperform)
2.36
(1.98)
-16.1% Details
4/17/2020 Abbott Labs ABT Maintain Outperform
(N/A)
 
 
  Details
3/24/2020 ResMed RMD Maintain Outperform
(N/A)
 
 
  Details
11/5/2019 Sientra SIEN Upgrade Outperform
(Market Perform)
6.68
(0.17)
-97.46% Details
6/12/2019 Insulet Corporation PODD Maintain Outperform
(N/A)
 
 
  Details
5/21/2019 Penumbra PEN New Coverage Outperform
(N/A)
142.47
(313.43)
120% Details
3/18/2019 Restoration Robotics HAIR Downgrade Market Perform
(Outperform)
0.83
(0.38)
-54.22% Details
3/13/2019 Sientra SIEN Downgrade Market Perform
(Outperform)
11.29
(6.68)
-40.83% Details
12/10/2018 Vapotherm VAPO New Coverage Outperform
(N/A)
20.69
(2.17)
-89.51% Details
9/27/2018 Restoration Robotics HAIR New Coverage Outperform
(N/A)
2.52
(0.83)
-67.06% Details