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Why Does the National Pension Fund Buy When Retail Investors Sell?

In July, Korea's national pension fund turned net buyer of stocks while retail investors sold and fled to the U.S. Why? And what can we learn from it?

2026.07.26·4 min·
#national pension#rebalancing#institutional investors#KOSPI

July brought a fascinating contrast to Korea's stock market. Retail investors, rattled by domestic volatility, poured money into U.S. stocks at four times the usual pace. The National Pension Service (NPS) — Korea's massive government pension fund — did the opposite: it turned net buyer of KOSPI stocks for the first time this year. Why?

Why Does the NPS Move in the Opposite Direction?

The NPS invests according to target asset allocations — something like '15% Korean stocks, 35% foreign stocks, 50% bonds.' When Korean stocks fall, their share of the portfolio shrinks below target. The rule-based response: buy more Korean stocks to get back to target. When stocks rise above target, the response is to sell.

Why Do Individuals and Institutions Move in Opposite Directions?

Individual investors tend to follow emotions: sell when scared, buy when excited. It's perfectly human — a falling portfolio feels dangerous, so the instinct is to exit.

Institutional investors like the NPS follow rules, not feelings. When Korean stocks fall and the portfolio dips below target, the rule says: buy. The result is an automatic contrarian strategy — buying low, selling high — without anyone having to override their emotions.

What Can Individual Investors Take Away From This?

The NPS isn't always right. But if you believe that markets trend upward over the long run, buying when prices are lower gives you more shares for the same money. While retail investors fled to the U.S. in July, the NPS quietly added Korean stocks at lower prices.

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