Abcellera Biologics (ABCL) has had the highest return this month by a mid-cap US stock, returning 119.1%.

ASSET	MONTH	% RETURN
Abcellera Biologics (ABCL)	August 2026	119.11%
Iovance Biotherapeutics (IOVA)	August 2026	105.85%
Heartflow, Inc Common Stock (HTFL)	August 2026	92.48%
Hyperliquid Strategies Inc Common Stock (PURR)	August 2026	87.22%
Twist Bioscience (TWST)	August 2026	85.56%
Amylyx Pharmaceuticals (AMLX)	August 2026	84.62%
Caris Life Sciences, Inc Common Stock (CAI)	August 2026	75.94%
Rumble (RUM)	August 2026	73.98%
NIQ Global Intelligence (NIQ)	August 2026	69.07%
NovaGold Resources (NG)	August 2026	68.45%
Almonty Industries Inc Common Shares (ALM)	August 2026	68.34%
Aura Minerals Inc Common Shares (AUGO)	August 2026	66.32%
Vistance Networks (VISN)	August 2026	65.62%
Figure Technology Solutions, Inc Class A Common Stock (FIGR)	August 2026	65.39%
Accelerant (ARX)	August 2026	63.1%
Alpha Metallurgical Resources (AMR)	August 2026	58.55%
B2Gold (BTG)	August 2026	55.7%
Wix (WIX)	August 2026	55.33%
SSR Mining (SSRM)	August 2026	54.58%
Zhong Yang Financial Group Limited Ordinary Shares (TOP)	August 2026	53.55%
Twenty One Capital (XXI)	August 2026	52.82%
Ero Copper (ERO)	August 2026	52.28%
DRDGOLD Limited ADR (DRD)	August 2026	51.45%
Bullish (BLSH)	August 2026	48.79%
Endeavour Silver (EXK)	August 2026	48.66%

Mid-cap stocks are treated as having a market cap between $2B and $10B.