Rigetti Computing (RGTI) had the highest return in December 2024 by a mid-cap US stock, returning 333.5%.

ASSET	MONTH	% RETURN
Rigetti Computing (RGTI)	December 2024	333.52%
D-Wave Quantum (QBTS)	December 2024	159.26%
Quantum Computing (QUBT)	December 2024	125.78%
SoundHound AI (SOUN)	December 2024	115.65%
Ondas (ONDS)	December 2024	111.57%
Hesai Group Sponsored ADR (HSAI)	December 2024	64.52%
Eos Energy Enterprises (EOSE)	December 2024	63.64%
Himax Technologies (HIMX)	December 2024	48.89%
Bitdeer Technologies Group Class A Ordinary Shares (BTDR)	December 2024	47.01%
Kodiak Sciences (KOD)	December 2024	46.76%
BlackBerry (BB)	December 2024	46.51%
Trevi Therapeutics (TRVI)	December 2024	45.07%
ServiceTitan, Inc Class A Common Stock (TTAN)	December 2024	44.89%
Aehr Test Systems (AEHR)	December 2024	40.1%
Kingsoft Cloud Holdings (KC)	December 2024	39.31%
Lucid (LCID)	December 2024	37.9%
Xometry (XMTR)	December 2024	35.47%
TMC the metals (TMC)	December 2024	31.76%
MaxLinear (MXL)	December 2024	30.91%
NewAmsterdam Pharma Company NV Ordinary Shares (NAMS)	December 2024	28.95%
Navitas Semiconductor (NVTS)	December 2024	27.5%
TransAlta (TAC)	December 2024	26.34%
Alaska Air (ALK)	December 2024	23.24%
Amprius Technologies (AMPX)	December 2024	22.81%
Telesat (TSAT)	December 2024	22.05%

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