best performing mid cap in past 120 days

AXT (AXTI) has had the highest return between January 17, 2026 and May 17, 2026 by a mid-cap US stock, returning 494.8%.

ASSETDATE% RETURN
AXT (AXTI)
1/17/2026 - 5/17/2026
494.81%
MaxLinear (MXL)
1/17/2026 - 5/17/2026
393.53%
Aehr Test Systems (AEHR)
1/17/2026 - 5/17/2026
263.8%
P3 Health Partners (PIII)
1/17/2026 - 5/17/2026
253.92%
Lightwave Logic (LWLG)
1/17/2026 - 5/17/2026
210.23%
Veradermics (MANE)
1/17/2026 - 5/17/2026
193.29%
Babcock & Wilcox Enterprises (BW)
1/17/2026 - 5/17/2026
174.67%
Nanobiotix (NBTX)
1/17/2026 - 5/17/2026
147.48%
Ichor (ICHR)
1/17/2026 - 5/17/2026
146.62%
Penguin Solutions (PENG)
1/17/2026 - 5/17/2026
141.22%
Silicon Motion Technology (SIMO)
1/17/2026 - 5/17/2026
133.5%
Spyre Therapeutics (SYRE)
1/17/2026 - 5/17/2026
131.66%
Himax Technologies (HIMX)
1/17/2026 - 5/17/2026
126.1%
Iridium Communications (IRDM)
1/17/2026 - 5/17/2026
124.52%
Sasol (SSL)
1/17/2026 - 5/17/2026
120.55%
Day One Biopharmaceuticals (DAWN)
1/17/2026 - 5/17/2026
118.53%
Vishay Intertechnology (VSH)
1/17/2026 - 5/17/2026
110.24%
Almonty Industries Inc Common Shares (ALM)
1/17/2026 - 5/17/2026
110.24%
Acadia Healthcare (ACHC)
1/17/2026 - 5/17/2026
109.5%
Apellis Pharmaceuticals (APLS)
1/17/2026 - 5/17/2026
108.8%
Navitas Semiconductor (NVTS)
1/17/2026 - 5/17/2026
107.19%
Dianthus Therapeutics (DNTH)
1/17/2026 - 5/17/2026
101.17%
POET Technologies (POET)
1/17/2026 - 5/17/2026
100.38%
Ultra Clean (UCTT)
1/17/2026 - 5/17/2026
99.91%
Valaris (VAL)
1/17/2026 - 5/17/2026
97.14%
Mid-cap stocks are treated as having a market cap between $2B and $10B.