Intuitive Machines (LUNR) had the best day in Q1 2023 by a mid-cap US stock on February 16, 2023, returning 192.2%.

ASSET	DATE	% RETURN
Intuitive Machines (LUNR)	2/16/2023	192.23%
Intuitive Machines (LUNR)	2/22/2023	116.05%
Western Alliance Bancorporation (WAL)	3/13/2023	102.64%
Intuitive Machines (LUNR)	3/9/2023	53.75%
Redwire (RDW)	2/15/2023	49.41%
SoundHound AI (SOUN)	2/3/2023	48.42%
Sharplink Gaming (SBET)	1/31/2023	45.95%
GeneDx (WGS)	3/20/2023	41.85%
SoundHound AI (SOUN)	3/31/2023	39.39%
Strive (ASST)	2/27/2023	36.42%
Protagonist Therapeutics (PTGX)	3/7/2023	36.06%
Immunome (IMNM)	1/3/2023	35.83%
Keel Infrastructure (KEEL)	1/12/2023	34.67%
Innodata (INOD)	2/1/2023	33.78%
Cipher Mining (CIFR)	2/2/2023	33.33%
D-Wave Quantum Inc Common Stock (QBTS)	2/3/2023	29.51%
GeneDx (WGS)	1/27/2023	28.44%
Cipher Mining (CIFR)	3/13/2023	28.17%
Oscar Health (OSCR)	2/10/2023	26.92%
Praxis Precision Medicines (PRAX)	1/17/2023	26.28%
SoundHound AI (SOUN)	2/8/2023	25.82%
NewAmsterdam Pharma Company NV Ordinary Shares (NAMS)	1/27/2023	25.81%
GeneDx (WGS)	1/11/2023	25.71%
Viking Therapeutics (VKTX)	3/28/2023	25.43%
D-Wave Quantum Inc Common Stock (QBTS)	3/31/2023	25.28%

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