best performing large-cap us stocks in q2 2026

Astera Labs (ALAB) had the highest return in Q2 2026 by a large-cap US stock, returning 334.3%.

ASSETQUARTER% RETURN
Astera Labs (ALAB)
Q2 2026
334.33%
Sandisk (SNDK)
Q2 2026
248.58%
Micron Technology (MU)
Q2 2026
230.83%
Intel (INTC)
Q2 2026
210.29%
United Microelectronics (UMC)
Q2 2026
202%
Marvell Technology (MRVL)
Q2 2026
195.62%
Credo Technology (CRDO)
Q2 2026
182.25%
Advanced Micro Devices (AMD)
Q2 2026
179.84%
Nebius (NBIS)
Q2 2026
160.67%
Dell Technologies (DELL)
Q2 2026
159.19%
Seagate Technology (STX)
Q2 2026
143.56%
Flex (FLEX)
Q2 2026
142.15%
Arm Holdings plc American Depositary Shares (ARM)
Q2 2026
129.66%
Humana (HUM)
Q2 2026
129.45%
Western Digital (WDC)
Q2 2026
127.77%
Bloom Energy (BE)
Q2 2026
124.06%
STMicroelectronics NV ADR (STM)
Q2 2026
117.25%
Datadog (DDOG)
Q2 2026
116.01%
Palo Alto Networks (PANW)
Q2 2026
111.22%
Twist Bioscience (TWST)
Q2 2026
110.43%
Sitime (SITM)
Q2 2026
110.15%
Applied Materials (AMAT)
Q2 2026
109.65%
Semtech (SMTC)
Q2 2026
106.39%
KLA (KLAC)
Q2 2026
103.54%
Lam Research (LRCX)
Q2 2026
101.27%
Large-cap stocks are treated as having a market cap of $10B+.