Capricor Therapeutics (CAPR) has had the highest return this month by a small-cap US stock, returning 460%.

ASSET	MONTH	% RETURN
Capricor Therapeutics (CAPR)	December 2025	460%
Eventbrite Inc Class A (EB)	December 2025	83.47%
Anbio Biotechnology Class A Ordinary Shares (NNNN)	December 2025	63.37%
Beyond Meat (BYND)	December 2025	30.93%
Vertical Aerospace (EVTL)	December 2025	29.77%
Eve (EVEX)	December 2025	28.84%
Aeva Technologies, Inc Common Stock (AEVA)	December 2025	28.18%
Veritone (VERI)	December 2025	26.98%
POET Technologies (POET)	December 2025	25.47%
Richtech Robotics Inc Class B Common Stock (RR)	December 2025	24.12%
indie Semiconductor (INDI)	December 2025	23.93%
Sable Offshore (SOC)	December 2025	23.4%
Skywater Technology (SKYT)	December 2025	23.23%
TryHard Holdings Limited Ordinary Shares (THH)	December 2025	20.9%
ProFrac (ACDC)	December 2025	20.62%
Simulations Plus (SLP)	December 2025	20.34%
Hyster-Yale Materials Handling (HY)	December 2025	20.2%
New Found Gold (NFGC)	December 2025	20.16%
Unusual Machines (UMAC)	December 2025	20.02%
Anavex Life Sciences (AVXL)	December 2025	19.17%
CEA Industries (BNC)	December 2025	18.61%
Serve Robotics Inc Common Stock (SERV)	December 2025	18.06%
MaxLinear (MXL)	December 2025	17.27%
LightPath Technologies (LPTH)	December 2025	16.95%
Fortrea (FTRE)	December 2025	16.92%

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