Rigetti Computing (RGTI) had the highest return last quarter by a mid-cap US stock, returning 1,833.8%.

ASSET	QUARTER	% RETURN
Rigetti Computing (RGTI)	Q4 2024	1,833.85%
Scholar Rock (SRRK)	Q4 2024	443.65%
IONQ (IONQ)	Q4 2024	369.85%
SoundHound AI (SOUN)	Q4 2024	323.03%
Kingsoft Cloud Holdings (KC)	Q4 2024	252.01%
Archer Aviation (ACHR)	Q4 2024	219.67%
Bitdeer Technologies Group Class A Ordinary Shares (BTDR)	Q4 2024	181.79%
Oklo (OKLO)	Q4 2024	160.81%
Astera Labs, Inc Common Stock (ALAB)	Q4 2024	151.28%
Rumble (RUM)	Q4 2024	140.93%
Lemonade (LMND)	Q4 2024	122.71%
Bloom Energy (BE)	Q4 2024	112.33%
Trump Media & Technology (DJT)	Q4 2024	97.91%
Novocure (NVCR)	Q4 2024	94.39%
Peloton Interactive (PTON)	Q4 2024	87.1%
BBVA Banco Frances SA ADR (BBAR)	Q4 2024	83.8%
Arcadium Lithium (ALTM)	Q4 2024	79.37%
Brinker International (EAT)	Q4 2024	75.94%
Asana (ASAN)	Q4 2024	74.74%
Super (SGHC)	Q4 2024	72.1%
Telecom Argentina SA ADR (TEO)	Q4 2024	68.99%
Remitly Global (RELY)	Q4 2024	68.68%
Comstock Resources (CRK)	Q4 2024	67.46%
Hut 8 Corp Common Stock (HUT)	Q4 2024	66.99%
Nextdecade (NEXT)	Q4 2024	65.45%

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