best performing us small cap between 21 april 2026 to 31 april 2026

Seaport Therapeutics, Inc Common Stock (SPTX) had the highest return between April 21, 2026 and April 30, 2026 by a small-cap US stock, returning 179,900%.

ASSETDATE% RETURN
Seaport Therapeutics, Inc Common Stock (SPTX)
4/21/2026 - 4/30/2026
179,900%
Kopin (KOPN)
4/21/2026 - 4/30/2026
54.33%
Inhibrx Biosciences (INBX)
4/21/2026 - 4/30/2026
52.75%
FuelCell Energy (FCEL)
4/21/2026 - 4/30/2026
52.4%
Bandwidth (BAND)
4/21/2026 - 4/30/2026
52.17%
Everspin Technologies (MRAM)
4/21/2026 - 4/30/2026
45.08%
Ring Energy (REI)
4/21/2026 - 4/30/2026
44.62%
iHeartMedia Inc Class A (IHRT)
4/21/2026 - 4/30/2026
42.65%
W&T Offshore (WTI)
4/21/2026 - 4/30/2026
41.27%
Kforce (KFRC)
4/21/2026 - 4/30/2026
39.19%
Vistance Networks (VISN)
4/21/2026 - 4/30/2026
36.85%
Obsidian Energy (OBE)
4/21/2026 - 4/30/2026
34.21%
indie Semiconductor (INDI)
4/21/2026 - 4/30/2026
31.49%
Sayona Mining Limited American Depository Shares (ELVR)
4/21/2026 - 4/30/2026
30.25%
American Superconductor (AMSC)
4/21/2026 - 4/30/2026
29.45%
First Tracks Biotherapeutics (TRAX)
4/21/2026 - 4/30/2026
28.92%
AnaptysBio (ANAB)
4/21/2026 - 4/30/2026
28.68%
Nabors Industries (NBR)
4/21/2026 - 4/30/2026
28.23%
Alight (ALIT)
4/21/2026 - 4/30/2026
27.82%
CEVA (CEVA)
4/21/2026 - 4/30/2026
27.73%
Absci (ABSI)
4/21/2026 - 4/30/2026
26.59%
Evolent Health (EVH)
4/21/2026 - 4/30/2026
26.26%
Arteris (AIP)
4/21/2026 - 4/30/2026
25.91%
Falcon's Beyond Global, Inc Class A Common Stock (FBYD)
4/21/2026 - 4/30/2026
25.33%
Suncrete, Inc Class A Common Stock (RMIX)
4/21/2026 - 4/30/2026
24.8%
Small-cap stocks are treated as having a market cap between $300M and $2B.