Tidewater (TDW) had the highest return between 2022 and 2023 by a mid-cap US stock or mid-cap US stock, returning 573.9%.

ASSET	YEARS	% RETURN
Tidewater (TDW)	2022-2023	573.93%
Soleno Therapeutics (SLNO)	2022-2023	531.37%
Modine Manufacturing (MOD)	2022-2023	483.58%
Alpha Metallurgical Resources (AMR)	2022-2023	481.46%
Vista Oil Gas ADR (VIST)	2022-2023	456.79%
Immunovant (IMVT)	2022-2023	392.17%
Scorpio Tankers (STNG)	2022-2023	379.76%
F&G Annuities & Life (FG)	2022-2023	374.45%
Rhythm Pharmaceuticals (RYTM)	2022-2023	359.7%
ELF Beauty (ELF)	2022-2023	333.97%
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%
Transportadora de Gas del Sur SA ADR (TGS)	2022-2023	237.58%
ADMA Biologics (ADMA)	2022-2023	222.86%
TAL Education (TAL)	2022-2023	220.56%
Frontline (FRO)	2022-2023	219.56%
Powell Industries (POWL)	2022-2023	217.61%
Verona Pharma PLC ADR (VRNA)	2022-2023	192.78%
Arcellx (ACLX)	2022-2023	192.11%

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