Osisko Development (ODV) had the highest return in July 2018 by a small-cap US stock or small-cap US stock, returning 150%.

ASSET	MONTH	% RETURN
Osisko Development (ODV)	July 2018	149.99%
CorMedix (CRMD)	July 2018	140.67%
Know Labs (KNW)	July 2018	61.96%
Bit Digital (BTBT)	July 2018	53.71%
Arbutus Biopharma (ABUS)	July 2018	52.05%
Benitec Biopharma Ltd ADR (BNTC)	July 2018	48.53%
InnovAge (INNV)	July 2018	46.67%
Volaris (VLRS)	July 2018	45.36%
BioLife Solutions (BLFS)	July 2018	43.63%
Byrna Technologies (BYRN)	July 2018	41.67%
Oruka Therapeutics (ORKA)	July 2018	38.33%
World Kinect (WKC)	July 2018	37.84%
Riley Exploration Permian (REPX)	July 2018	37.58%
Paysign (PAYS)	July 2018	36.36%
TSS, Inc Common Stock (TSSI)	July 2018	34.21%
EMX Royalty (EMX)	July 2018	32.69%
Global Industrial (GIC)	July 2018	31.92%
Semler Scientific (SMLR)	July 2018	31.43%
NRx Pharmaceuticals (NRXPW)	July 2018	30%
SIGA Technologies (SIGA)	July 2018	29.74%
Grupo Supervielle (SUPV)	July 2018	29.65%
Universal Logistics (ULH)	July 2018	28.11%
Xpel (XPEL)	July 2018	27.95%
Liveramp (RAMP)	July 2018	27.89%
Universal Insurance (UVE)	July 2018	27.4%

Small-cap stocks are treated as having a market cap between $300M and $2B.