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Anchor Investor Lock-in Calculator

Calculate when anchor investor shares get unlocked after an IPO listing. Know the anchor lock-in expiry date for any Indian IPO.

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How this calculator works

Anchor investor shares are locked in for 30 days from the date of allotment to anchor investors (which is one day before IPO opening)This calculator adds 30 days to the listing date as a close approximation of the unlock

FAQs

What is an anchor investor?

Qualified institutional buyers who invest in an IPO before it opens to retail investors, at a small discount, and are locked in for a fixed period.

How long is the anchor lock-in?

SEBI mandates a 30-day lock-in for anchor investors from the date of anchor allotment.

Disclaimer
Disclaimer: DostIpo is not a SEBI-registered investment adviser or research analyst. All data here is for information only, not investment advice or a recommendation to invest. GMP is an unofficial estimate. Market investments are subject to risks; read the RHP and consult a SEBI-registered adviser before investing.

Last updated: 29 Aug 2026, 22:14 IST