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  5. Rubicon Research IPO day 1: Check live subscription status, price band, lot size and key dates

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Rubicon Research IPO day 1: Check live subscription status, price band, lot size and key dates

Kamal Joshi
By Kamal Joshi

3 min read | Updated on October 09, 2025, 15:39 IST

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SUMMARY

Rubicon Research IPO day 1: The ₹1,377.50 crore initial share sale, which will conclude on October 13, consists of a fresh issuance of shares aggregating to ₹500 crore and an offer for sale of ₹877.50 crore by the promoter selling shareholder General Atlantic Singapore RR Pte Ltd.

Rubicon Research is a pharmaceutical formulations player with a strong focus on research & development (R&D) and innovation. | Image: rubicon.co.in

Rubicon Research is a pharmaceutical formulations player with a strong focus on research & development (R&D) and innovation. | Image: rubicon.co.in

Rubicon Research IPO day 1: Pharmaceutical player Rubicon Research's initial public offering opened for subscription on Thursday, October 9. The issue has set a price band of ₹461 to ₹485 per share.

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The ₹1,377.50 crore initial share sale, which will conclude on October 13, consists of a fresh issuance of shares aggregating to ₹500 crore and an offer for sale of ₹877.50 crore by the promoter selling shareholder General Atlantic Singapore RR Pte Ltd.

Capital raised to the tune of ₹310 crore will be allocated for debt clearance, and a portion will be used for inorganic growth via acquisitions, strategic initiatives and corporate general purposes.

Rubicon Research IPO day 1: Subscription status

CategorySubscription Status (As of 3:39 pm)
Qualified Institutional Buyers (QIBs)-
Non-Institutional Investors35%
Retail Investors1.16 times
Total31%
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Rubicon Research IPO lot size

A lot consists of 30 shares. In terms of allocation, 75% of the net offer has been reserved for qualified institutional buyers (QIBs), 15% for non-institutional investors (NIIs) and the rest 10% for retail investors.

Before the IPO, the company collected ₹619 crore in the anchor round from investors including Goldman Sachs, Fidelity Funds, HDFC Mutual Fund (MF), ICICI Prudential MF, Kotak Mahindra MF, Amansa Holdings and Aranda Investments Pte. It allotted over 1.27 crore shares to 32 funds at ₹485 per share.

On Wednesday, Rubicon Research, in a public announcement, also announced Kotak Mutual Fund and Motilal Mutual Fund have together invested ₹169 crore in the pharmaceutical company.

As part of the transaction, General Atlantic transferred 34.86 lakh shares, reflecting a 2.25% stake, at a price of ₹484.47 per share, amounting to approximately ₹169 crore.

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Rubicon Research IPO allotment and listing dates

EventDate
Subscription periodOctober 9 to October 13
Basis of allotmentOctober 14
Initiation of RefundsOctober 15
Credit of Shares to DematOctober 15
Listing dateOctober 16

Rubicon Research is a pharmaceutical formulations player with a strong focus on research & development (R&D) and innovation. Its portfolio includes an increasing number of speciality products and drug-device combination products for regulated markets, particularly the United States.

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Rubicon Research IPO GMP

According to investorgain.com and media reports, Rubicon Research's unlisted shares are trading at ₹583, reflecting a grey market premium of 20.21% over the upper price band of ₹485.

Disclaimer: Grey Market Premium (GMP) is an unofficial indicator of market sentiment toward an IPO. It is not regulated by the stock exchanges or SEBI. Upstox does not endorse or facilitate trading in the grey market. Investors are advised to conduct their own research or consult an expert before making any investment decisions.
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About The Author

Kamal Joshi
Kamal Joshi is a business journalist who covers industries, markets, and IPOs. He is passionate about breaking news and enjoys playing tennis, especially flexing his backhand. He was previously associated with Republic TV and LatestLY.

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