best performing mid cap stocks past 40 years

Weatherford International (WFRD) has had the highest return between October 9, 1985 and October 9, 2025 by a mid-cap US stock, returning 2,413,233.3%.

ASSET DATE % RETURN
Weatherford International (WFRD)
10/9/1985 - 10/9/2025
2,413,233.33%
Sandstorm Gold Ltd N (SAND)
10/9/1985 - 10/9/2025
2,133,233.33%
Inventrust Properties (IVT)
10/9/1985 - 10/9/2025
1,377,400%
Polaris Industries (PII)
10/9/1985 - 10/9/2025
1,109,555.17%
Northern Oil & Gas (NOG)
10/9/1985 - 10/9/2025
950,669.23%
Badger Meter (BMI)
10/9/1985 - 10/9/2025
620,073.01%
Argan (AGX)
10/9/1985 - 10/9/2025
178,511.29%
AAON (AAON)
10/9/1985 - 10/9/2025
169,800.5%
Glacier Bancorp (GBCI)
10/9/1985 - 10/9/2025
127,220.95%
Balchem (BCPC)
10/9/1985 - 10/9/2025
73,096.3%
HF Sinclair (DINO)
10/9/1985 - 10/9/2025
72,912.55%
Bio-Techne (TECH)
10/9/1985 - 10/9/2025
66,230.78%
Gentex (GNTX)
10/9/1985 - 10/9/2025
65,280.84%
First Majestic Silver (AG)
10/9/1985 - 10/9/2025
62,700%
MDU Resources (MDU)
10/9/1985 - 10/9/2025
61,092.05%
Hawkins (HWKN)
10/9/1985 - 10/9/2025
60,789.87%
Valmont Industries (VMI)
10/9/1985 - 10/9/2025
44,872.52%
Flowers Foods (FLO)
10/9/1985 - 10/9/2025
40,676.7%
McGrath RentCorp (MGRC)
10/9/1985 - 10/9/2025
34,451.42%
Donaldson (DCI)
10/9/1985 - 10/9/2025
32,700.16%
VSE (VSEC)
10/9/1985 - 10/9/2025
31,849.51%
RLI (RLI)
10/9/1985 - 10/9/2025
30,352%
PLDT Inc ADR (PHI)
10/9/1985 - 10/9/2025
29,680.22%
AllianceBernstein (AB)
10/9/1985 - 10/9/2025
29,025.19%
CVB Financial (CVBF)
10/9/1985 - 10/9/2025
27,811.11%
Mid-cap stocks are treated as having a market cap between $2B and $10B.