Ratings by William Blair (Matt Larew)

Date CompanySymbol Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
3/3/2026 908 Devices Inc. MASS Maintain Outperform
(N/A)
 
 
  Details
1/5/2026 Waters Corp. WAT New Coverage Outperform
(N/A)
381.96
(302.54)
-20.79% Details
11/3/2025 AptarGroup ATR Downgrade Market Perform
(Outperform)
124.36
(132.08)
6.21% Details
10/6/2025 Charles River Labs CRL Upgrade Outperform
(Market Perform)
177.33
(174.46)
-1.62% Details
8/19/2025 Thermo Fisher Scientific TMO New Coverage Outperform
(N/A)
489.01
(501.97)
2.65% Details
8/7/2025 MaxCyte Inc. MXCT Downgrade Market Perform
(Outperform)
2.06
(0.78)
-62.14% Details
6/26/2025 Maravai LifeScience Holdings Inc. MRVI Maintain Market Perform
(N/A)
 
 
  Details
12/30/2024 Amedisys AMED Maintain Market Perform
(N/A)
 
 
  Details
11/8/2024 Maravai LifeScience Holdings Inc. MRVI Downgrade Market Perform
(Outperform)
7.84
(3.55)
-54.72% Details
10/8/2024 U.S. Physical Therapy USPH Maintain Market Perform
(N/A)
 
 
  Details
7/1/2024 Amedisys AMED Downgrade Market Perform
(Outperform)
92.97
(100.99)
8.63% Details
5/10/2024 Ginkgo Bioworks Holdings Inc DNA Downgrade Underperform
(Market Perform)
0.92
(6.50)
606.52% Details
4/29/2024 AptarGroup ATR Upgrade Outperform
(Market Perform)
143.33
(124.36)
-13.24% Details
8/28/2023 Abcam Plc. ABCM Downgrade Market Perform
(Outperform)
23.36
(23.99)
2.7% Details
8/28/2023 Bio-Techne Corp. TECH New Coverage Outperform
(N/A)
80.16
(53.89)
-32.77% Details
7/31/2023 Avantor Inc. AVTR Downgrade Market Perform
(Outperform)
22.83
(8.17)
-64.21% Details
5/11/2023 Ginkgo Bioworks Holdings Inc DNA Downgrade Market Perform
(Outperform)
1.35
(6.50)
381.48% Details
9/6/2022 Signify Health Inc SGFY Downgrade Market Perform
(Outperform)
28.77
(30.49)
5.98% Details
3/29/2022 LHC Group LHCG Downgrade Market Perform
(Outperform)
157.23
(169.81)
8% Details
11/1/2021 Ginkgo Bioworks Holdings Inc DNA Maintain Outperform
(N/A)
 
 
  Details
10/12/2021 Ginkgo Bioworks Holdings Inc DNA New Coverage Outperform
(N/A)
9.47
(6.50)
-31.36% Details
9/22/2021 Innovage Holding Corp INNV Downgrade Market Perform
(Outperform)
11.65
(8.98)
-22.92% Details
8/4/2021 Zymergen Inc ZY Downgrade Market Perform
(Outperform)
34.03
(2.43)
-92.86% Details
7/20/2021 Alpha Teknova Inc. TKNO New Coverage Outperform
(N/A)
18.06
(2.11)
-88.32% Details
6/29/2021 Twist Bioscience TWST New Coverage Outperform
(N/A)
126.34
(46.94)
-62.85% Details
6/29/2021 Zymergen Inc ZY New Coverage Outperform
(N/A)
39.00
(2.43)
-93.77% Details
3/29/2021 Innovage Holding Corp INNV New Coverage Outperform
(N/A)
24.35
(8.98)
-63.12% Details
3/8/2021 Signify Health Inc SGFY New Coverage Outperform
(N/A)
28.31
(30.49)
7.7% Details
12/15/2020 Maravai LifeScience Holdings Inc. MRVI New Coverage Outperform
(N/A)
25.73
(3.55)
-86.2% Details
3/17/2020 U.S. Physical Therapy USPH Downgrade Market Perform
(Outperform)
64.46
(81.09)
25.8% Details
1/31/2020 U.S. Physical Therapy USPH Maintain Outperform
(N/A)
 
 
  Details
9/11/2019 DaVita DVA Downgrade Market Perform
(Outperform)
61.66
(150.76)
144.5% Details
6/20/2019 DaVita DVA Maintain Outperform
(N/A)
 
 
  Details
3/8/2019 U.S. Physical Therapy USPH New Coverage Outperform
(N/A)
105.45
(81.09)
-23.1% Details