GeoVax Labs (GOVX) had the highest return in Q4 2019 by a US stock, returning 3,333,233.3%.

ASSET	QUARTER	% RETURN
GeoVax Labs (GOVX)	Q4 2019	3,333,233.33%
Weatherford International (WFRD)	Q4 2019	100,002.93%
DarioHealth (DRIO)	Q4 2019	2,016.13%
Teekay Tankers (TNK)	Q4 2019	1,743.87%
Sobr Safe (SOBR)	Q4 2019	971.43%
Oncolytics Biotech (ONCY)	Q4 2019	698.52%
FuelCell Energy (FCEL)	Q4 2019	684.38%
Battalion Oil (BATL)	Q4 2019	572.5%
Agape ATP Corporation Common Stock (ATPC)	Q4 2019	560%
Pennant (PNTG)	Q4 2019	437.72%
Axsome Therapeutics (AXSM)	Q4 2019	410.42%
Kodiak Sciences (KOD)	Q4 2019	400.35%
Clearside Biomedical (CLSD)	Q4 2019	339.39%
Cassava Sciences (SAVA)	Q4 2019	336.97%
Neurogene (NGNE)	Q4 2019	323.37%
Relmada Therapeutics (RLMD)	Q4 2019	290%
Castellum (CTM)	Q4 2019	285.71%
Aurinia Pharmaceuticals (AUPH)	Q4 2019	277.28%
Mersana Therapeutics (MRSN)	Q4 2019	262.66%
Matinas BioPharma (MTNB)	Q4 2019	243.94%
Kiora Pharmaceuticals (KPRX)	Q4 2019	219.11%
Datasea (DTSS)	Q4 2019	217.71%
Immunitybio (IBRX)	Q4 2019	208.13%
Osisko Development (ODV)	Q4 2019	206.67%
Aprea Therapeutics (APRE)	Q4 2019	196.83%