Advantage Solutions (ADVWW) had the highest return in August 2022 by a mid-cap US stock, returning 141.3%.

ASSET	MONTH	% RETURN
Advantage Solutions (ADVWW)	August 2022	141.33%
Verona Pharma PLC ADR (VRNA)	August 2022	83.77%
Rhythm Pharmaceuticals (RYTM)	August 2022	81.53%
Ast Spacemobile (ASTS)	August 2022	70.5%
Enovix (ENVX)	August 2022	66.32%
Axsome Therapeutics (AXSM)	August 2022	65.93%
Fluence Energy (FLNC)	August 2022	47.78%
Globalstar (GSAT)	August 2022	45.99%
Blueprint Medicines (BPMC)	August 2022	44.76%
Calumet Specialty Products Partners (CLMT)	August 2022	40.7%
Geron (GERN)	August 2022	40.43%
Global-E Online (GLBE)	August 2022	40.34%
Zeta Global (ZETA)	August 2022	36.72%
Plug Power (PLUG)	August 2022	32.95%
Catalyst Pharmaceuticals (CPRX)	August 2022	32.75%
Sonic Automotive (SAH)	August 2022	31.95%
Dillards (DDS)	August 2022	31.55%
PureCycle Technologies (PCTTW)	August 2022	31.54%
TransMedics (TMDX)	August 2022	31.39%
Xometry (XMTR)	August 2022	30.59%
MoonLake Immunotherapeutics (MLTX)	August 2022	30.42%
Foot Locker (FL)	August 2022	30.36%
Vipshop (VIPS)	August 2022	29.87%
QXO (QXO)	August 2022	29.75%
Kymera Therapeutics (KYMR)	August 2022	29.68%

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