best mid cap stocks 2019 to 2021

Enphase Energy (ENPH) had the highest return between 2019 and 2021 by a mid-cap US stock, returning 3,851.2%.

ASSET YEARS % RETURN
Enphase Energy (ENPH)
2019-2021
3,851.19%
Plug Power (PLUG)
2019-2021
2,176.61%
Sitime (SITM)
2019-2021
2,150.31%
Celsius (CELH)
2019-2021
2,099.71%
Marathon Digital (MARA)
2019-2021
2,061.84%
Riot Blockchain (RIOT)
2019-2021
1,378.81%
Axsome Therapeutics (AXSM)
2019-2021
1,244.48%
Lattice Semiconductor (LSCC)
2019-2021
1,023.32%
Avis Budget (CAR)
2019-2021
838.75%
Freedom (FRHC)
2019-2021
761.24%
Calix (CALX)
2019-2021
733.02%
Synaptics (SYNA)
2019-2021
690.79%
Boot Barn (BOOT)
2019-2021
653.06%
Cytokinetics (CYTK)
2019-2021
632.8%
Generac (GNRC)
2019-2021
622.04%
Camtek (CAMT)
2019-2021
616.98%
Bill Com (BILL)
2019-2021
568.86%
Nova (NVMI)
2019-2021
556.07%
Herc (HRI)
2019-2021
526.64%
Impinj (PI)
2019-2021
522.46%
Hut 8 Corp Common Stock (HUT)
2019-2021
520.8%
Advanced Drainage Systems (WMS)
2019-2021
504.14%
Ambarella (AMBA)
2019-2021
492.38%
Upstart Holdings  (UPST)
2019-2021
481.92%
Atkore International (ATKR)
2019-2021
470.79%
Mid-cap stocks are treated as having a market cap between $2B and $10B.