Applied Digital (APLD) had the highest return between 2022 and 2023 by a mid-cap US stock, returning 865.2%.

ASSET	YEARS	% RETURN
Applied Digital (APLD)	2022-2023	865.2%
Tidewater (TDW)	2022-2023	573.93%
Soleno Therapeutics (SLNO)	2022-2023	531.37%
Alpha Metallurgical Resources (AMR)	2022-2023	481.46%
Vista Oil Gas ADR (VIST)	2022-2023	456.79%
Bel Fuse B (BELFB)	2022-2023	424.25%
Torm PLC Class A (TRMD)	2022-2023	419.57%
Immunovant (IMVT)	2022-2023	392.17%
Scorpio Tankers (STNG)	2022-2023	379.76%
F&G Annuities & Life (FG)	2022-2023	374.45%
Teekay Tankers (TNK)	2022-2023	366.12%
Rhythm Pharmaceuticals (RYTM)	2022-2023	359.7%
Bel Fuse A (BELFA)	2022-2023	338.26%
ELF Beauty (ELF)	2022-2023	333.97%
BW LPG (BWLP)	2022-2023	313.23%
TransMedics (TMDX)	2022-2023	310.88%
Viking Therapeutics (VKTX)	2022-2023	298.5%
Nuvalent (NUVL)	2022-2023	296.93%
International Seaways (INSW)	2022-2023	270.2%
Belite Bio Inc ADR (BLTE)	2022-2023	266%
Weatherford International (WFRD)	2022-2023	249.64%
New Oriental Education & Technology (EDU)	2022-2023	247.3%
PBF Energy (PBF)	2022-2023	242.49%
Central Puerto (CEPU)	2022-2023	241.92%
Transportadora de Gas del Sur SA ADR (TGS)	2022-2023	237.58%

Mid-cap stocks are treated as having a market cap between $2B and $10B.