Analyst firms

William Blair upgrades, downgrades and price targets

William Blair has published 878 rating actions on 671 companies in the Quantisnow ratings feed since June 2021: 108 upgrades, 289 downgrades and 433 initiations. Its most recent action on KRUS was on Nov 6, 2026: William Blair downgrades to Mkt Perform from Outperform. Going by its latest rating on each stock, William Blair rates 60% of the companies it covers Buy or an equivalent and 1% Sell or an equivalent. Health Care is the sector it rates most often.

Rating actions

878

Stocks rated

671

Upgrades

108

Downgrades

289

Latest William Blair rating actions

• Nov 6, 2026KRUS
  DowngradeKRUSWilliam Blair downgrades to Mkt Perform from Outperform
• Nov 6, 2026NRDS
  DowngradeNRDSWilliam Blair downgrades to Mkt Perform from Outperform
• Nov 6, 2026CVRX
  DowngradeCVRXWilliam Blair downgrades to Mkt Perform from Outperform

  William Blair on CVRX
• Nov 5, 2026TDUP
  DowngradeTDUPWilliam Blair downgrades to Mkt Perform from Outperform
• Nov 5, 2026FSLR
  UpgradeFSLRWilliam Blair upgrades to Outperform from Mkt Perform
• Nov 4, 2026FIS
  DowngradeFISWilliam Blair downgrades to Mkt Perform from Outperform
• Nov 4, 2026STVN
  DowngradeSTVNWilliam Blair downgrades to Mkt Perform from Outperform
• Oct 29, 2026XOM
  InitiateXOMWilliam Blair starts coverage at Mkt Perform
• Oct 29, 2026COP
  InitiateCOPWilliam Blair starts coverage at Mkt Perform
• Oct 29, 2026CVX
  InitiateCVXWilliam Blair starts coverage at Outperform
• Oct 29, 2026ALKT
  DowngradeALKTWilliam Blair downgrades to Mkt Perform from Outperform
• Oct 27, 2026MRNA
  DowngradeMRNAWilliam Blair downgrades to Mkt Perform from Outperform

  William Blair on MRNA
• Oct 22, 2026BLDR
  DowngradeBLDRWilliam Blair downgrades to Mkt Perform from Outperform
• Oct 21, 2026VOR
  InitiateVORWilliam Blair starts coverage at Outperform
• Oct 16, 2026WVE
  InitiateWVEWilliam Blair starts coverage at Outperform
• Oct 16, 2026TNGX
  InitiateTNGXWilliam Blair starts coverage at Outperform
• Oct 16, 2026RYTM
  InitiateRYTMWilliam Blair starts coverage at Outperform
• Oct 16, 2026RVMD
  InitiateRVMDWilliam Blair starts coverage at Outperform
• Oct 16, 2026PVLA
  InitiatePVLAWilliam Blair starts coverage at Outperform
• Oct 16, 2026IMNM
  InitiateIMNMWilliam Blair starts coverage at Outperform
• Oct 16, 2026IDYA
  InitiateIDYAWilliam Blair starts coverage at Outperform
• Oct 16, 2026EWTX
  InitiateEWTXWilliam Blair starts coverage at Outperform
• Oct 16, 2026RCUS
  InitiateRCUSWilliam Blair starts coverage at Outperform
• Oct 14, 2026MRX
  InitiateMRXWilliam Blair starts coverage at Outperform
• Oct 14, 2026JSPR
  ResumeJSPRWilliam Blair resumes coverage at Outperform

  William Blair on JSPR
• Oct 9, 2026ALHC
  DowngradeALHCWilliam Blair downgrades to Mkt Perform from Outperform
• Oct 8, 2026SWIM
  DowngradeSWIMWilliam Blair downgrades to Mkt Perform from Outperform
• Oct 6, 2026RVTY
  InitiateRVTYWilliam Blair starts coverage at Outperform
• Oct 6, 2026LSCC
  InitiateLSCCWilliam Blair starts coverage at Outperform
• Oct 5, 2026SOC
  InitiateSOCWilliam Blair starts coverage at Outperform
• Sep 30, 2026NBIS
  InitiateNBISWilliam Blair starts coverage at Outperform
• Sep 30, 2026CRWV
  InitiateCRWVWilliam Blair starts coverage at Outperform
• Sep 28, 2026AYI
  DowngradeAYIWilliam Blair downgrades to Mkt Perform from Outperform

  William Blair on AYI
• Sep 24, 2026SFIX
  DowngradeSFIXWilliam Blair downgrades to Mkt Perform from Outperform
• Sep 23, 2026CBZ
  DowngradeCBZWilliam Blair downgrades to Mkt Perform from Outperform
• Sep 22, 2026YSWY
  InitiateYSWYWilliam Blair starts coverage at Outperform
• Sep 22, 2026DAVA
  DowngradeDAVAWilliam Blair downgrades to Underperform from Mkt Perform
• Sep 18, 2026CATX
  InitiateCATXWilliam Blair starts coverage at Outperform
• Sep 16, 2026ZNTL
  InitiateZNTLWilliam Blair starts coverage at Outperform
• Sep 15, 2026SEIC
  UpgradeSEICWilliam Blair upgrades to Outperform from Mkt Perform

Stocks William Blair rates most

Questions about William Blair ratings

How many stocks does William Blair cover?

William Blair has rated 671 companies in the Quantisnow feed since June 2021, across 878 rating actions.

What was William Blair's latest upgrade?

On Nov 5, 2026, William Blair upgrades to Outperform from Mkt Perform on FSLR.

What was William Blair's latest downgrade?

On Nov 6, 2026, William Blair downgrades to Mkt Perform from Outperform on KRUS.

Does William Blair upgrade or downgrade more often?

William Blair has made 108 upgrades and 289 downgrades in the feed, so 27% of its rating changes were upgrades.

Other analyst firms

• Morgan Stanley5,639
• BofA Securities4,126
• Barclays3,644
• Wells Fargo3,642
• Citigroup3,487
• Raymond James3,397
• Jefferies3,133
• Goldman Sachs3,094
• UBS2,887
• Piper Sandler2,689
• TD Cowen2,567
• RBC Capital Markets2,404
• Deutsche Bank2,227
• KeyBanc Capital Markets1,962
• Wolfe Research1,899
• BMO Capital Markets1,784
• Truist Securities1,684
• Stifel1,649
• Needham1,591
• Oppenheimer1,570
• Mizuho1,561
• Evercore ISI1,405
• Robert W. Baird1,397
• H.C. Wainwright1,228

All analyst firms

From rating actions in the Quantisnow feed since June 2021. Counts refresh every six hours. See also today's analyst upgrades and the live ratings feed.