Diversified Energy (DEC) had the highest return between 2010 and 2023 by a small-cap US stock, returning 6,087,200%.

ASSET	YEARS	% RETURN
Diversified Energy (DEC)	2010-2023	6,087,200%
Integra Resources (ITRG)	2010-2023	211,900%
Immatics (IMTX)	2010-2023	210,500%
Xpel (XPEL)	2010-2023	141,610.53%
Aurora Cannabis (ACB)	2010-2023	63,366.67%
Cementos Pacasmayo SAA ADR (CPAC)	2010-2023	14,385.23%
Envela (ELA)	2010-2023	11,362.26%
Paysign (PAYS)	2010-2023	6,900%
Par Pacific (PARR)	2010-2023	5,961.67%
Astrana Health (ASTH)	2010-2023	5,371.43%
Simulations Plus (SLP)	2010-2023	4,070.27%
NAPCO Security Technologies (NSSC)	2010-2023	4,008.87%
Federal Agricultural Mortgage (AGM)	2010-2023	3,689.18%
Federal Agricultural Mortgage (AGM.A)	2010-2023	3,477.67%
eXp World (EXPI)	2010-2023	3,087.96%
Radiant Logistics (RLGT)	2010-2023	2,610.2%
UFP Technologies (UFPT)	2010-2023	2,546.77%
Winmark (WINA)	2010-2023	2,320.47%
Mercantile Bank (MBWM)	2010-2023	2,134.8%
Sigma Lithium Resources (SGML)	2010-2023	2,026.1%
HIVE Blockchain Technologies (HIVE)	2010-2023	1,852.59%
BioLife Solutions (BLFS)	2010-2023	1,834.52%
Allient (ALNT)	2010-2023	1,814.54%
Aehr Test Systems (AEHR)	2010-2023	1,808.63%
Virtus Investment Partners (VRTS)	2010-2023	1,726.85%

Small-cap stocks are treated as having a market cap between $300M and $2B.