best performing mid cap in the last 21 days

Applied Opt (AAOI) has had the highest return between February 12, 2026 and March 5, 2026 by a mid-cap US stock, returning 104.1%.

ASSETDATE% RETURN
Applied Opt (AAOI)
2/12/2026 - 3/5/2026
104.07%
Arcellx (ACLX)
2/12/2026 - 3/5/2026
67.69%
Figs (FIGS)
2/12/2026 - 3/5/2026
60.55%
Acadia Healthcare (ACHC)
2/12/2026 - 3/5/2026
55.69%
Clear Secure (YOU)
2/12/2026 - 3/5/2026
48.69%
Fastly, Inc Class A Common Stock (FSLY)
2/12/2026 - 3/5/2026
48.55%
AXT (AXTI)
2/12/2026 - 3/5/2026
46.01%
Ringcentral (RNG)
2/12/2026 - 3/5/2026
40.44%
ICON (ICLR)
2/12/2026 - 3/5/2026
37.8%
Sprott (SII)
2/12/2026 - 3/5/2026
36.02%
Hycroft Mining (HYMC)
2/12/2026 - 3/5/2026
35.22%
Andersen (ANDG)
2/12/2026 - 3/5/2026
34.14%
Baldwin Insurance (BWIN)
2/12/2026 - 3/5/2026
32.83%
ZIM Integrated Shipping Services (ZIM)
2/12/2026 - 3/5/2026
32.46%
Remitly Global (RELY)
2/12/2026 - 3/5/2026
30.8%
Super (SGHC)
2/12/2026 - 3/5/2026
30.29%
Masimo (MASI)
2/12/2026 - 3/5/2026
29.87%
Universal Technical Institute (UTI)
2/12/2026 - 3/5/2026
29.59%
Caesars Entertainment (CZR)
2/12/2026 - 3/5/2026
28.51%
Iridium Communications (IRDM)
2/12/2026 - 3/5/2026
27.66%
Erasca (ERAS)
2/12/2026 - 3/5/2026
27.38%
Delek US Energy (DK)
2/12/2026 - 3/5/2026
27.03%
ServiceTitan, Inc Class A Common Stock (TTAN)
2/12/2026 - 3/5/2026
26.5%
Versant Media Group, Inc Class A Common Stock When-Issued (VSNT)
2/12/2026 - 3/5/2026
26.16%
Plug Power (PLUG)
2/12/2026 - 3/5/2026
25.89%
Mid-cap stocks are treated as having a market cap between $2B and $10B.