The stock debuted at Rs 435, up 0.69 per cent from its issue price on BSE.
On NSE, shares of the company listed at Rs 440.15, a gain of 1.88 per cent from the issue price.
The initial share sale offer of Cochin Shipyard was oversubscribed 76.19 times during August 1-3.
The portion reserved for qualified institutional buyers (QIBs) was oversubscribed 63.52 times, non institutional investors 288.87 times and retail investors 8.51 times.
The price band for the Rs 1,468 crore IPO was Rs 424-432.
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