Sandisk (SNDK) has had the highest return between 2023 and 2026 by a mega-cap US stock, returning 3,545.8%.

ASSET	YEARS	% RETURN
Sandisk (SNDK)	2023-2026	3,545.84%
Palantir Technologies (PLTR)	2023-2026	1,898.94%
Micron Technology (MU)	2023-2026	1,707.39%
NVIDIA (NVDA)	2023-2026	1,226.15%
Dell Technologies (DELL)	2023-2026	1,030.82%
GE Vernova LLC (GEV)	2023-2026	770.24%
Advanced Micro Devices (AMD)	2023-2026	649.92%
Broadcom (AVGO)	2023-2026	612.08%
GE Aerospace (GE)	2023-2026	603.09%
Lam Research (LRCX)	2023-2026	601.55%
Arista Networks (ANET)	2023-2026	455.72%
Taiwan Semiconductor Manufacturing (TSM)	2023-2026	451.29%
KLA (KLAC)	2023-2026	446.8%
Applied Materials (AMAT)	2023-2026	433.57%
Facebook (META)	2023-2026	387.78%
Arm Holdings plc American Depositary Shares (ARM)	2023-2026	374.74%
Palo Alto Networks (PANW)	2023-2026	349.08%
HSBC Holdings PLC ADR (HSBC)	2023-2026	313.14%
Caterpillar (CAT)	2023-2026	284.29%
Mitsubishi UFJ Financial Group Inc ADR (MUFG)	2023-2026	281.01%
Alphabet Inc Class A (GOOGL)	2023-2026	267.74%
Intel (INTC)	2023-2026	251.51%
Eli Lilly and (LLY)	2023-2026	235.96%
Goldman Sachs (GS)	2023-2026	230.31%
Citigroup (C)	2023-2026	227.69%

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