best performing mid cap stocks in a week in september

QMMM Holdings Limited Ordinary Shares (QMMM) had the best week in September 2025 by a mid-cap US stock the week of September 8, 2025, returning 876.6%.

ASSETWEEK% RETURN
QMMM Holdings Limited Ordinary Shares (QMMM)
9/8/2025 - 9/14/2025
876.58%
Uniqure (QURE)
9/22/2025 - 9/28/2025
290.72%
Bitfarms (KEEL)
9/8/2025 - 9/14/2025
72.87%
Oklo (OKLO)
9/15/2025 - 9/21/2025
60.51%
Kodiak Sciences (KOD)
9/22/2025 - 9/28/2025
58%
Opendoor Technologies (OPEN)
9/1/2025 - 9/7/2025
57.58%
QMMM Holdings Limited Ordinary Shares (QMMM)
9/1/2025 - 9/7/2025
56.91%
Mineralys Therapeutics, Inc Common Stock (MLYS)
9/1/2025 - 9/7/2025
53.71%
D-Wave Quantum (QBTS)
9/15/2025 - 9/21/2025
51.86%
Rigetti Computing (RGTI)
9/15/2025 - 9/21/2025
49.52%
Dianthus Therapeutics (DNTH)
9/8/2025 - 9/14/2025
48.46%
American Eagle Outfitters (AEO)
9/1/2025 - 9/7/2025
46.15%
Innodata (INOD)
9/8/2025 - 9/14/2025
41.44%
Plug Power (PLUG)
9/15/2025 - 9/21/2025
40.19%
Nektar Therapeutics (NKTR)
9/1/2025 - 9/7/2025
38.5%
QMMM Holdings Limited Ordinary Shares (QMMM)
9/22/2025 - 9/28/2025
37.57%
Pony AI Inc American Depositary Shares (PONY)
9/15/2025 - 9/21/2025
36.52%
Quantum Computing  (QUBT)
9/15/2025 - 9/21/2025
35.13%
Crinetics Pharmaceuticals (CRNX)
9/22/2025 - 9/28/2025
34.75%
Figure Technology Solutions, Inc Class A Common Stock (FIGR)
9/15/2025 - 9/21/2025
34.21%
Bullish (BLSH)
9/15/2025 - 9/21/2025
33.24%
Intellia Therapeutics (NTLA)
9/15/2025 - 9/21/2025
32.68%
Centrus Energy (LEU)
9/15/2025 - 9/21/2025
32.24%
Nuvation Bio (NUVB)
9/1/2025 - 9/7/2025
32.2%
Macy’s (M)
9/1/2025 - 9/7/2025
31.79%
Mid-cap stocks are treated as having a market cap between $2B and $10B.