what is the most performance mid cap stock between january 2012 and january 2021

Sitio Royalties (STR) had the highest return between January 1, 2012 and January 31, 2021 by a mid-cap US stock, returning 8,240,100%.

ASSET DATE % RETURN
Sitio Royalties (STR)
1/1/2012 - 1/31/2021
8,240,100%
Repligen (RGEN)
1/1/2012 - 1/31/2021
5,680.35%
TAL Education (TAL)
1/1/2012 - 1/31/2021
4,798.69%
Vipshop (VIPS)
1/1/2012 - 1/31/2021
4,469.96%
ACADIA Pharmaceuticals (ACAD)
1/1/2012 - 1/31/2021
4,268.18%
Caesars Entertainment (CZR)
1/1/2012 - 1/31/2021
3,644.15%
Addus HomeCare (ADUS)
1/1/2012 - 1/31/2021
3,043.85%
Trex (TREX)
1/1/2012 - 1/31/2021
3,037.44%
Amedisys (AMED)
1/1/2012 - 1/31/2021
2,460.7%
EPAM Systems (EPAM)
1/1/2012 - 1/31/2021
2,404.95%
IES (IESC)
1/1/2012 - 1/31/2021
2,392.05%
Enphase Energy (ENPH)
1/1/2012 - 1/31/2021
2,331.33%
TG Therapeutics (TGTX)
1/1/2012 - 1/31/2021
2,283.7%
Ringcentral (RNG)
1/1/2012 - 1/31/2021
2,061.86%
Five9 (FIVN)
1/1/2012 - 1/31/2021
1,991.19%
Saia (SAIA)
1/1/2012 - 1/31/2021
1,950.46%
Sarepta Therapeutics (SRPT)
1/1/2012 - 1/31/2021
1,873.51%
MarketAxess (MKTX)
1/1/2012 - 1/31/2021
1,868.31%
Arrowhead Pharmaceuticals (ARWR)
1/1/2012 - 1/31/2021
1,741.77%
Appian (APPN)
1/1/2012 - 1/31/2021
1,720.5%
Patrick Industries (PATK)
1/1/2012 - 1/31/2021
1,611.15%
Nexstar Broadcasting (NXST)
1/1/2012 - 1/31/2021
1,559.57%
EXACT Sciences (EXAS)
1/1/2012 - 1/31/2021
1,556.52%
Globant (GLOB)
1/1/2012 - 1/31/2021
1,555.17%
IAC (IAC)
1/1/2012 - 1/31/2021
1,520.38%
Mid-cap stocks are treated as having a market cap between $2B and $10B.