best performing large cap stocks in sep 2026l

Vicor (VICR) had the highest return last month by a large-cap US stock, returning 57.8%.

ASSETMONTH% RETURN
Vicor (VICR)
September 2026
57.8%
FormFactor (FORM)
September 2026
50.41%
10X Genomics (TXG)
September 2026
46.24%
Twist Bioscience (TWST)
September 2026
43.2%
Everpure (P)
September 2026
41.34%
Semtech (SMTC)
September 2026
39.74%
Intel (INTC)
September 2026
38.45%
Moderna (MRNA)
September 2026
37.3%
Bloom Energy (BE)
September 2026
36.11%
GameStop (GME)
September 2026
35.07%
Advanced Micro Devices (AMD)
September 2026
33.02%
Facebook (META)
September 2026
29.98%
Skyworks Solutions (SWKS)
September 2026
29.52%
Illumina (ILMN)
September 2026
28.88%
Marvell Technology (MRVL)
September 2026
28.81%
Natera (NTRA)
September 2026
28.76%
Twilio (TWLO)
September 2026
26.61%
Summit Therapeutics (SMMT)
September 2026
26.38%
Rambus (RMBS)
September 2026
25.66%
Rubrik (RBRK)
September 2026
24.83%
Tempus AI, Inc Class A Common Stock (TEM)
September 2026
24.77%
Forgent Power Solutions (FPS)
September 2026
24.1%
Astera Labs (ALAB)
September 2026
23.88%
Arm Holdings plc American Depositary Shares (ARM)
September 2026
23.83%
Okta (OKTA)
September 2026
23.01%
Large-cap stocks are treated as having a market cap of $10B+.