best performing mid cap stocks for the past 4 months

AXT (AXTI) has had the highest return between December 17, 2025 and April 17, 2026 by a mid-cap US stock, returning 483.9%.

ASSETDATE% RETURN
AXT (AXTI)
12/17/2025 - 4/17/2026
483.93%
Erasca (ERAS)
12/17/2025 - 4/17/2026
417.9%
Xanadu Quantum Technologies Limited Class B Subordinate Voting Shares (XNDU)
12/17/2025 - 4/17/2026
282.11%
Ichor (ICHR)
12/17/2025 - 4/17/2026
260.79%
Aehr Test Systems (AEHR)
12/17/2025 - 4/17/2026
256.01%
Babcock & Wilcox Enterprises (BW)
12/17/2025 - 4/17/2026
243.2%
Immunitybio (IBRX)
12/17/2025 - 4/17/2026
235.65%
Ultra Clean (UCTT)
12/17/2025 - 4/17/2026
203.45%
Hycroft Mining (HYMC)
12/17/2025 - 4/17/2026
192.11%
Almonty Industries Inc Common Shares (ALM)
12/17/2025 - 4/17/2026
181.46%
Tango Therapeutics (TNGX)
12/17/2025 - 4/17/2026
178.84%
Enliven Therapeutics (ELVN)
12/17/2025 - 4/17/2026
167.49%
Day One Biopharmaceuticals (DAWN)
12/17/2025 - 4/17/2026
158.12%
Iridium Communications (IRDM)
12/17/2025 - 4/17/2026
157.97%
Intuitive Machines (LUNR)
12/17/2025 - 4/17/2026
152.59%
Fastly, Inc Class A Common Stock (FSLY)
12/17/2025 - 4/17/2026
144.64%
Viavi Solutions (VIAV)
12/17/2025 - 4/17/2026
131.63%
Oruka Therapeutics (ORKA)
12/17/2025 - 4/17/2026
130.24%
Aura Minerals Inc Common Shares (AUGO)
12/17/2025 - 4/17/2026
125.68%
Dianthus Therapeutics (DNTH)
12/17/2025 - 4/17/2026
123.8%
Alumis (ALMS)
12/17/2025 - 4/17/2026
119.68%
Veradermics (MANE)
12/17/2025 - 4/17/2026
118%
ADEIA (ADEA)
12/17/2025 - 4/17/2026
115.01%
Sasol (SSL)
12/17/2025 - 4/17/2026
110.59%
Vicor (VICR)
12/17/2025 - 4/17/2026
109.19%
Mid-cap stocks are treated as having a market cap between $2B and $10B.