best performing small cap stocks in a week in september

Uniqure (QURE) had the best week in September 2025 by a small-cap US stock the week of September 22, 2025, returning 290.7%.

ASSETWEEK% RETURN
Uniqure (QURE)
9/22/2025 - 9/28/2025
290.72%
BitVentures (BVC)
9/8/2025 - 9/14/2025
227.53%
PepGen (PEPG)
9/22/2025 - 9/28/2025
172.58%
Lithium Americas (LAC)
9/22/2025 - 9/28/2025
95.98%
Strive Asset Management (ASST)
9/8/2025 - 9/14/2025
84.97%
Bakkt (BKKT)
9/29/2025 - 10/5/2025
76.64%
New Fortress Energy LLC (NFE)
9/15/2025 - 9/21/2025
73.33%
Bitfarms (BITF)
9/8/2025 - 9/14/2025
72.87%
Enanta Pharmaceuticals (ENTA)
9/29/2025 - 10/5/2025
67.41%
Etoiles Capital Group Co, Ltd Class A Ordinary Shares (EFTY)
9/22/2025 - 9/28/2025
66.41%
FuelCell Energy (FCEL)
9/8/2025 - 9/14/2025
65.54%
Better Home & Finance (BETR)
9/22/2025 - 9/28/2025
59.51%
Kodiak Sciences (KOD)
9/22/2025 - 9/28/2025
58%
Rezolve AI Limited Ordinary Shares (RZLV)
9/8/2025 - 9/14/2025
57.21%
Shattuck Labs  (STTK)
9/1/2025 - 9/7/2025
56.57%
Platinum Analytics Cayman Limited Class A Ordinary Shares (PLTS)
9/15/2025 - 9/21/2025
55%
Immuneering (IMRX)
9/8/2025 - 9/14/2025
53.53%
Falcon's Beyond Global, Inc Class A Common Stock (FBYD)
9/8/2025 - 9/14/2025
52.78%
Olema Pharmaceuticals (OLMA)
9/1/2025 - 9/7/2025
51.64%
Falcon's Beyond Global, Inc Class A Common Stock (FBYD)
9/15/2025 - 9/21/2025
50.96%
YD Bio (YDES)
9/8/2025 - 9/14/2025
49.1%
WEBTOON Entertainment Inc Common stock (WBTN)
9/15/2025 - 9/21/2025
49.02%
Here (HERE)
9/8/2025 - 9/14/2025
48.85%
Beyond Meat (BYND)
9/29/2025 - 10/5/2025
48.82%
Relmada Therapeutics (RLMD)
9/1/2025 - 9/7/2025
46.02%
Small-cap stocks are treated as having a market cap between $300M and $2B.