best performing small cap stocks april 2026 to june 2026

Seaport Therapeutics, Inc Common Stock (SPTX) had the highest return between April 1, 2026 and June 30, 2026 by a small-cap US stock, returning 217,100%.

ASSETDATE% RETURN
Seaport Therapeutics, Inc Common Stock (SPTX)
4/1/2026 - 6/30/2026
217,100%
agilon health (AGL)
4/1/2026 - 6/30/2026
1,274.1%
Mega Fortune Company Limited Ordinary Shares (MGRT)
4/1/2026 - 6/30/2026
930.41%
Rackspace Technology  (RXT)
4/1/2026 - 6/30/2026
559.6%
FuelCell Energy (FCEL)
4/1/2026 - 6/30/2026
439.88%
Backblaze (BLZE)
4/1/2026 - 6/30/2026
351.85%
Digital Turbine (APPS)
4/1/2026 - 6/30/2026
338.78%
Entravision Communications (EVC)
4/1/2026 - 6/30/2026
338.51%
Absci (ABSI)
4/1/2026 - 6/30/2026
282.51%
Boost Run Inc Class A Common Stock (BRUN)
4/1/2026 - 6/30/2026
263.39%
Bandwidth (BAND)
4/1/2026 - 6/30/2026
251.86%
P3 Health Partners (PIII)
4/1/2026 - 6/30/2026
246.15%
Methode Electronics (MEI)
4/1/2026 - 6/30/2026
246.11%
Ambiq Micro (AMBQ)
4/1/2026 - 6/30/2026
241.19%
Vishay Precision (VPG)
4/1/2026 - 6/30/2026
237.71%
WhiteFiber, Inc Ordinary Shares (WYFI)
4/1/2026 - 6/30/2026
219.75%
Hyliion (HYLN)
4/1/2026 - 6/30/2026
196.02%
Arteris (AIP)
4/1/2026 - 6/30/2026
189.23%
Everspin Technologies (MRAM)
4/1/2026 - 6/30/2026
167.18%
Digi Power X (DGXX)
4/1/2026 - 6/30/2026
165.85%
Anterix (ATEX)
4/1/2026 - 6/30/2026
160.67%
Compass Pathways  (CMPS)
4/1/2026 - 6/30/2026
152.23%
Starz Entertainment LLC (STRZ)
4/1/2026 - 6/30/2026
150.96%
InflaRx (IFRX)
4/1/2026 - 6/30/2026
148.89%
CEVA (CEVA)
4/1/2026 - 6/30/2026
146.78%
Small-cap stocks are treated as having a market cap between $300M and $2B.