How Anchor Investor Allocations and Lock-in Expiries Impact IPO Price Discovery
A breakdown of how institutional anchor bidding validates valuation, and how the 30-day and 90-day lock-in expiry windows affect secondary market supply.
Market Intelligence Desk
Who are Anchor Investors?
Anchor investors are Qualified Institutional Buyers (QIBs) who apply for shares worth at least ₹10 Crores one day prior to the public bidding opening. Their participation sets the institutional credibility benchmark for the rest of the issue.
The Two-Tier Lock-in Rule
Under SEBI regulations, 50% of the shares allocated to anchor investors are locked in for 30 days from the listing date, while the remaining 50% are locked in for 90 days. These dates represent critical inflection points where sudden supply can enter the open market.
Interpreting the Anchor Sheet
Examine whether the anchor book is dominated by long-term mutual funds and sovereign wealth funds versus fast-moving foreign portfolio investors (FPIs). High domestic mutual fund participation signals high confidence in multi-quarter holding.
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