Palantir Technologies (PLTR) has had the highest return between 2023 and 2026 by a mega-cap US stock, returning 1,809.6%.

ASSET	YEARS	% RETURN
Palantir Technologies (PLTR)	2023-2026	1,809.57%
Micron Technology (MU)	2023-2026	1,565.44%
NVIDIA (NVDA)	2023-2026	1,294.51%
Dell Technologies (DELL)	2023-2026	1,036.41%
GE Vernova LLC (GEV)	2023-2026	779.14%
Crowdstrike (CRWD)	2023-2026	653.64%
Advanced Micro Devices (AMD)	2023-2026	634.3%
Broadcom (AVGO)	2023-2026	628.82%
GE Aerospace (GE)	2023-2026	617.32%
Lam Research (LRCX)	2023-2026	608.77%
Arista Networks (ANET)	2023-2026	501.71%
Taiwan Semiconductor Manufacturing (TSM)	2023-2026	460.99%
YPF Sociedad Anonima (YPF)	2023-2026	453.2%
Banco Santander SA ADR (SAN)	2023-2026	444.69%
Applied Materials (AMAT)	2023-2026	434.93%
KLA (KLAC)	2023-2026	391.39%
Palo Alto Networks (PANW)	2023-2026	391.27%
Facebook (META)	2023-2026	384.79%
Amphenol (APH)	2023-2026	338.63%
HSBC Holdings PLC ADR (HSBC)	2023-2026	328.59%
Arm Holdings plc American Depositary Shares (ARM)	2023-2026	326.13%
Alphabet Inc Class A (GOOGL)	2023-2026	320.61%
Mitsubishi UFJ Financial Group Inc ADR (MUFG)	2023-2026	270.95%
Caterpillar (CAT)	2023-2026	265.26%
Intel (INTC)	2023-2026	248.94%

Mega-cap stocks are treated as having a market cap of $200B+.