best performing mid cap stocks august 2015 to august 2016

Riot Platforms (RIOT) had the highest return between August 1, 2015 and August 31, 2016 by a mid-cap US stock, returning 6,719.5%.

ASSETDATE% RETURN
Riot Platforms (RIOT)
8/1/2015 - 8/31/2016
6,719.54%
Talos Energy (TALO)
8/1/2015 - 8/31/2016
1,944.59%
DRDGOLD Limited ADR (DRD)
8/1/2015 - 8/31/2016
377.04%
First Majestic Silver (AG)
8/1/2015 - 8/31/2016
294.1%
Champion Homes (SKY)
8/1/2015 - 8/31/2016
278.55%
Endeavour Silver (EXK)
8/1/2015 - 8/31/2016
222.39%
Five9 (FIVN)
8/1/2015 - 8/31/2016
218.26%
NexGen Energy (NXE)
8/1/2015 - 8/31/2016
214.55%
Sibanye Gold Ltd ADR (SBSW)
8/1/2015 - 8/31/2016
202.07%
Central Garden & Pet (CENT)
8/1/2015 - 8/31/2016
180.66%
Aura Minerals Inc Common Shares (AUGO)
8/1/2015 - 8/31/2016
168.95%
Hecla Mining (HL)
8/1/2015 - 8/31/2016
168.38%
Fortuna Silver Mines (FSM)
8/1/2015 - 8/31/2016
168.35%
Seabridge Gold (SA)
8/1/2015 - 8/31/2016
165.08%
Axogen (AXGN)
8/1/2015 - 8/31/2016
159.65%
IES (IESC)
8/1/2015 - 8/31/2016
147.31%
Central Garden & Pet Company A (CENTA)
8/1/2015 - 8/31/2016
141.29%
B2Gold (BTG)
8/1/2015 - 8/31/2016
136.8%
Cleveland-Cliffs (CLF)
8/1/2015 - 8/31/2016
127.09%
Perpetua Resources (PPTA)
8/1/2015 - 8/31/2016
121.11%
National Beverage (FIZZ)
8/1/2015 - 8/31/2016
108.95%
Amkor Technology (AMKR)
8/1/2015 - 8/31/2016
105.88%
SSR Mining (SSRM)
8/1/2015 - 8/31/2016
105.62%
Ingevity (NGVT)
8/1/2015 - 8/31/2016
101.73%
Silicon Motion Technology (SIMO)
8/1/2015 - 8/31/2016
97.91%
Mid-cap stocks are treated as having a market cap between $2B and $10B.