The Straits Times Index (STI) hit several record highs in Q1 2026, crossing the 5,000-mark multiple times over the past three months. On 31 March, it closed at 4,885.45, a 5.1% quarter-on-quarter gain, with total returns of 5.6% thanks to dividends. These returns are impressive considering the global volatility over the quarter, proving the STI’s resilience. According to an SGX Market Update, several stocks in the STI contributed to the index’s income-defensive characteristics. Each of these posted total returns of more than 10% in Q1 2026.
#1 ST Engineering (SGX: S63)
With a market cap of $33.75 billion, ST Engineering posted the highest total return of the quarter at 28.4%. This was up from the 9.2% total returns from the second half of 2025. The trailing twelve-month total revenue of ST Engineering was $12.35 billion, with a dividend yield of 1.55%.
At the end of 2025, ST Engineering made up 2.92% of the STI.
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#2 Wilmar International (SGX: F34)
With a market cap of $24.04 billion, Wilmar International enjoyed total returns of 25.0% in Q1 2026, up from the 8.8% total returns from the second half of 2025. Wilmar’s trailing 12-month total revenue was US$70.42 billion, with a dividend yield of 3.85%.
At the end of 2025, Wilmar International made up 1.26% of the STI.
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#3 SGX (SGX: S68)
With a market cap of $20.88 billion, SGX saw 15.8% total returns in Q1 2026. This was only slightly higher than the 15.4% total returns in the second half of 2025, reflecting the excellent run the exchange has been on since 2024. The trailing twelve-month total revenue of SGX was $1.37 billion, with a dividend yield of 2.29%.
At the end of 2025, SGX made up 3.2% of the STI.
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#4 HongkongLand USD (SGX: H78)
With a market cap of $21.51 billion, Hongkong Land saw 14.5% total returns in Q1 2026. This represented a drop from the 23.0% total returns over the second half of 2025. Hongkong Land’s trailing 12-month total revenue was US$1.45 billion, with a dividend yield of 2.89%.
Hongkong Land made up 2.12% of the STI at the end of 2025.
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#5 Keppel (SGX: BN4)
With a market cap of $21.12 billion, Keppel posted 13.7% total returns in Q1 2026. This was significantly lower than the high 42.0% total returns over the second half of 2025. Keppel’s trailing twelve-month total revenue was $5.98 billion, with a dividend yield of 2.73%.
Keppel made up 3.39 of the STI at the end of 2025.
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#6 OCBC Bank (SGX: O39)
With a market cap of $98.60 billion, OCBC Bank enjoyed 11.2% total returns in Q1 2026. This was lower than the 24.1% total returns in the second half of 2025. OCBC’s trailing 12-month total revenue was $14.53 billion, with a dividend yield of 3.9%.
OCBC Bank accounted for 14.96% of the STI at the end of 2025.
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#7 Sembcorp Industries (SGX: U96)
With a market cap of $11.79 billion, Sembcorp rounds up this list with total returns of 10.1%. This is a huge jump from the -10.8% negative total returns posted in the second half of 2025. Sembcorp’s trailing 12-month total revenue was $6.42 billion, with a dividend yield of 4.58%.
Sembcorp made up 1.23 of the STI at the end of 2025.
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