The OMXS30 index reached record levels during Thursday's trading session, driven by a broad-based rally across major sectors.
The positive momentum was fueled by better-than-expected US employment figures, which bolstered investor confidence in the global economic outlook.
Defense contractor Saab and pharmaceutical giant AstraZeneca emerged as the standout performers, leading the index higher.
The rally came after a volatile start to the day, with the Stockholm Stock Exchange initially reversing course and shedding ground in the morning.
However, buying interest returned as the session progressed, particularly among engineering and industrial firms.
The shift in sentiment highlights the market's sensitivity to macroeconomic data from the United States, which continues to influence European equity valuations.