Soleno Therapeutics (SLNO) had the highest return in February 2015 by a US stock, returning 366.7%.

ASSET	MONTH	% RETURN
Soleno Therapeutics (SLNO)	February 2015	366.67%
InMed Pharmaceuticals (INM)	February 2015	170%
Cyclacel Pharmaceuticals (CYCC)	February 2015	150%
Contango ORE (CTGO)	February 2015	143.41%
Plus Therapeutics (PSTV)	February 2015	128.57%
Ageagle Aerial Systems (UAVS)	February 2015	113.77%
Ibio (IBIO)	February 2015	110.53%
Cocrystal Pharma (COCP)	February 2015	107.56%
374Water Inc Common Stock (SCWO)	February 2015	100%
Helport AI Limited Ordinary Shares (HPAI)	February 2015	100%
ABVC BioPharma (ABVC)	February 2015	100%
Gevo (GEVO)	February 2015	92.86%
BTCS (BTCS)	February 2015	91.19%
Vivani Medical (VANI)	February 2015	84.17%
Oncolytics Biotech (ONCY)	February 2015	73.45%
CyberArk Software (CYBR)	February 2015	73%
Usio (USIO)	February 2015	71.69%
Sharplink Gaming (SBET)	February 2015	68.82%
Sequans Communications (SQNS)	February 2015	68.52%
Duos Technologies (DUOT)	February 2015	66.67%
CorMedix (CRMD)	February 2015	64.86%
Atossa Genetics (ATOS)	February 2015	64.1%
Heron Therapeuti (HRTX)	February 2015	63.81%
Hepion Pharmaceuticals (HEPA)	February 2015	63.74%
Assembly Biosciences (ASMB)	February 2015	62.58%