what is the best returning mid cap stock in the last 10 years

Sitio Royalties (STR) has had the highest return between September 12, 2015 and September 12, 2025 by a mid-cap US stock, returning 18,119,900%.

ASSET DATE % RETURN
Sitio Royalties (STR)
9/12/2015 - 9/12/2025
18,119,900%
Weatherford International (WFRD)
9/12/2015 - 9/12/2025
950,203.03%
Applied Digital (APLD)
9/12/2015 - 9/12/2025
100,958.82%
Quantum Computing  (QUBT)
9/12/2015 - 9/12/2025
7,845%
Sterling Construction (STRL)
9/12/2015 - 9/12/2025
6,699.14%
Centrus Energy (LEU)
9/12/2015 - 9/12/2025
6,459.06%
IES (IESC)
9/12/2015 - 9/12/2025
5,517.44%
Regencell Bioscience (RGC)
9/12/2015 - 9/12/2025
4,159.02%
Camtek (CAMT)
9/12/2015 - 9/12/2025
3,400.65%
Nova (NVMI)
9/12/2015 - 9/12/2025
2,644.67%
QMMM Holdings Limited Ordinary Shares (QMMM)
9/12/2015 - 9/12/2025
2,417.67%
Kinsale Capital (KNSL)
9/12/2015 - 9/12/2025
2,399.08%
Skyline (SKY)
9/12/2015 - 9/12/2025
2,382.98%
Harmony Gold Mining (HMY)
9/12/2015 - 9/12/2025
2,323.67%
Sezzle Inc Common Stock (SEZL)
9/12/2015 - 9/12/2025
2,222.65%
Sitime (SITM)
9/12/2015 - 9/12/2025
1,889%
Modine Manufacturing (MOD)
9/12/2015 - 9/12/2025
1,648.21%
Trump Media & Technology (DJTWW)
9/12/2015 - 9/12/2025
1,514.27%
Lattice Semiconductor (LSCC)
9/12/2015 - 9/12/2025
1,494.69%
Appfolio (APPF)
9/12/2015 - 9/12/2025
1,462.04%
NexGen Energy (NXE)
9/12/2015 - 9/12/2025
1,397.34%
Corcept Therapeutics (CORT)
9/12/2015 - 9/12/2025
1,371.88%
Casella Waste Systems (CWST)
9/12/2015 - 9/12/2025
1,300.76%
Kenon (KEN)
9/12/2015 - 9/12/2025
1,286.2%
SPX (SPXC)
9/12/2015 - 9/12/2025
1,281.39%
Mid-cap stocks are treated as having a market cap between $2B and $10B.