Hertz Global (HTZ) had the highest return last month by a mid-cap US stock, returning 76.2%.

ASSET	MONTH	% RETURN
Hertz Global (HTZ)	April 2025	76.23%
Certara (CERT)	April 2025	40.71%
TransMedics (TMDX)	April 2025	38.72%
ODDITY Tech Ltd Class A Ordinary Shares (ODD)	April 2025	38.6%
Loar (LOAR)	April 2025	35.19%
StoneCo (STNE)	April 2025	34.16%
Pegasystems (PEGA)	April 2025	32.51%
Sterling Construction (STRL)	April 2025	31.87%
PagSeguro Digital (PAGS)	April 2025	31.11%
AeroVironment (AVAV)	April 2025	27.03%
Sensient Technologies (SXT)	April 2025	26.99%
Marex Group plc Ordinary Shares (MRX)	April 2025	26.82%
Super (SGHC)	April 2025	26.48%
Kymera Therapeutics (KYMR)	April 2025	25.49%
Trump Media & Technology (DJT)	April 2025	25.01%
Paymentus (PAY)	April 2025	24.04%
Ardagh Metal Packaging (AMBP)	April 2025	23.26%
Grindr (GRND)	April 2025	23.22%
Denali Therapeutics (DNLI)	April 2025	22.52%
ServiceTitan, Inc Class A Common Stock (TTAN)	April 2025	22.26%
CorporaciÃ³n Inmobiliaria Vesta, SAB de CV (VTMX)	April 2025	22.26%
Kiniksa Pharmaceuticals (KNSA)	April 2025	22.15%
Rhythm Pharmaceuticals (RYTM)	April 2025	21.78%
Avis Budget (CAR)	April 2025	21.13%
Orla Mining (ORLA)	April 2025	20.88%

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