what is the most performance mid cap stock between january 1 2018 and june 30 2018

Quantum Computing  (QUBT) had the highest return between January 1, 2018 and June 30, 2018 by a mid-cap US stock, returning 375%.

ASSET DATE % RETURN
Quantum Computing  (QUBT)
1/1/2018 - 6/30/2018
375%
Arrowhead Pharmaceuticals (ARWR)
1/1/2018 - 6/30/2018
268.56%
Xenon Pharmaceuticals (XENE)
1/1/2018 - 6/30/2018
228.57%
Madrigal Pharmaceuticals (MDGL)
1/1/2018 - 6/30/2018
201.42%
Applied Digital (APLD)
1/1/2018 - 6/30/2018
200%
Enphase Energy (ENPH)
1/1/2018 - 6/30/2018
181.59%
Skyline (SKY)
1/1/2018 - 6/30/2018
179.89%
Crispr Therapeutics (CRSP)
1/1/2018 - 6/30/2018
144.83%
Enova International (ENVA)
1/1/2018 - 6/30/2018
138.11%
Sarepta Therapeutics (SRPT)
1/1/2018 - 6/30/2018
136.58%
Viking Therapeutics (VKTX)
1/1/2018 - 6/30/2018
132.03%
CleanSpark (CLSK)
1/1/2018 - 6/30/2018
125%
Goosehead Insurance (GSHD)
1/1/2018 - 6/30/2018
108%
Vicor (VICR)
1/1/2018 - 6/30/2018
106.89%
Etsy (ETSY)
1/1/2018 - 6/30/2018
105.8%
PTC Therapeutics (PTCT)
1/1/2018 - 6/30/2018
100.06%
PAR Technology (PAR)
1/1/2018 - 6/30/2018
89.09%
Wix (WIX)
1/1/2018 - 6/30/2018
75.81%
Vericel Corp Ord (VCEL)
1/1/2018 - 6/30/2018
74.77%
GDS (GDS)
1/1/2018 - 6/30/2018
74.61%
Insperity (NSP)
1/1/2018 - 6/30/2018
66.63%
Addus HomeCare (ADUS)
1/1/2018 - 6/30/2018
64.04%
Ultragenyx (RARE)
1/1/2018 - 6/30/2018
63.38%
Ensign (ENSG)
1/1/2018 - 6/30/2018
61.68%
Amedisys (AMED)
1/1/2018 - 6/30/2018
61.55%
Mid-cap stocks are treated as having a market cap between $2B and $10B.