Nine Energy Service (NINE) had the highest return in 2022 by a micro-cap US stock, returning 1,185.8%.

ASSET	YEAR	% RETURN
Nine Energy Service (NINE)	2022	1,185.84%
Pyxis Tankers (PXSAW)	2022	844.99%
Electra Battery Materials (ELBM)	2022	564.27%
ENDRA Life Sciences (NDRA)	2022	473.39%
KLX Energy Services (KLXE)	2022	453.04%
United Maritime (USEA)	2022	450%
Kolibri Global Energy Inc Common stock (KGEI)	2022	391.67%
Mammoth Energy Services (TUSK)	2022	367.57%
Mesa Royalty Trust (MTR)	2022	326.05%
BP Prudhoe Bay Royalty Trust (BPT)	2022	303.19%
Digital Brands (DBGIW)	2022	263.64%
SurgePays (SURG)	2022	228%
Reviva Pharmaceuticals (RVPHW)	2022	180.22%
Amplify Energy (AMPY)	2022	179.05%
Clean Energy Technologies, Inc Common Stock (CETY)	2022	177.78%
SEACOR Marine (SMHI)	2022	172.62%
Tarena International (TCTM)	2022	168.39%
Cross Timbers Royalty Trust (CRT)	2022	145.04%
Aerovate Therapeutics (AVTE)	2022	141.75%
Cabaletta Bio (CABA)	2022	141.51%
Pyxis Tankers (PXS)	2022	141%
Houston American Energy (HUSA)	2022	140.56%
Sunrise New Energy (EPOW)	2022	131.36%
Hudson Technologies (HDSN)	2022	124.89%
MV Oil Trust (MVO)	2022	122.32%

Micro-cap stocks are treated as having a market cap of <= $300M.