Section 1045 Makes QSBS Portable
Vieje Piauwasdy, Director of Equity Strategy at Secfi, on the future of QSBS
Section 1045 makes QSBS portable, which means an early exit does not automatically kill the tax benefit. If someone sells qualifying startup stock after more than six months but before five years, they can defer the gain by buying new QSBS within 60 days. The deferred gain reduces the basis of the new shares, and the old holding period can keep working toward the five year Section 1202 exclusion.
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This is most useful in a very specific situation, a founder, employee, angel, or fund gets liquidity early, but still wants the QSBS outcome instead of paying tax right away. In practice, it turns one startup exit into a bridge to another startup investment, rather than a taxable stop.
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The mechanics are narrower than the simple summary suggests. The original QSBS generally must have been held more than six months, the replacement stock must also qualify as QSBS under Section 1202, and only the portion reinvested within the 60 day window gets deferred treatment.
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This also helps explain why the rule matters more to repeat startup investors than to ordinary public market sellers. A VC partnership can elect Section 1045 on qualifying sales and recycle proceeds into new private company shares, preserving tax advantages across a portfolio rather than on a single winner.
The broader direction is clear, early startup equity is becoming something sophisticated holders manage across multiple companies, multiple entities, and multiple tax elections. As long as Sections 1045 and 1202 remain intact, the advantage will compound for investors and operators who can move quickly from one private company win into the next one.