Rubicon Research IPO Opens for Subscription: Price Band, GMP, Key Dates & Expert Reviews
Rubicon Research IPO opens for subscription today. Check price band, GMP, lot size, issue details, analyst reviews, and key dates before investing. Listing expected on October 16, 2025.
Rubicon Research IPO Opens for Subscription: Price Band, GMP, Key Dates & Expert Reviews

📅 Issue Opens: October 9, 2025
📅 Closes On: October 13, 2025
💰 Price Band: ₹461–₹485 per share
📈 Grey Market Premium (GMP): ₹80 per share (approx. +16%)
🏦 Expected Listing: October 16, 2025 (BSE & NSE)
💊 Rubicon Research IPO Kicks Off — Should You Subscribe?
Pharma company Rubicon Research Ltd has opened its much-anticipated ₹1,377.5 crore IPO for public subscription starting today. The issue is already creating buzz in the market, with strong anchor investor participation and an impressive GMP indicating healthy investor interest.
Ahead of the opening, Rubicon Research raised ₹619 crore from anchor investors on October 8. Big names like Goldman Sachs, HDFC Mutual Fund, Fidelity Funds, ICICI Prudential MF, Kotak Mahindra MF, Amansa Holdings, and Aranda Investments Pte took part in the anchor book, signaling strong institutional confidence.
Rubicon Research IPO Details at a Glance
Particulars Details
IPO Size ₹1,377.5 crore
Fresh Issue ₹500 crore
Offer for Sale (OFS) ₹877.5 crore (by General Atlantic Singapore)
Price Band ₹461–₹485 per share
Lot Size 30 shares
Minimum Investment (Retail) ₹14,550 for 1 lot
Maximum Investment (Retail) ₹1,89,150 for 13 lots
QIB Quota Up to 75%
NII Quota Up to 15%
Retail Quota Up to 10%
Rubicon Research IPO GMP Today (October 9, 2025)
The grey market premium (GMP) for Rubicon Research stands at around ₹80 per share, taking the grey market price to ₹565 per share — about 16.5% above the upper price band of ₹485.
This signals a strong debut expectation if market sentiment sustains through the subscription period.
Analyst Reviews — “Subscribe for Long-Term Gains”
Analysts remain optimistic about the IPO:
Arihant Capital: Subscribe
SMIFS: Subscribe – Long Term
Experts cite Rubicon’s steady US market presence, diversified portfolio, and solid R&D capabilities as strong fundamentals supporting its growth trajectory.
Rubicon Research IPO Timeline
Event Date
IPO Opens October 9, 2025
IPO Closes October 13, 2025
Allotment Finalisation October 14, 2025
Shares Credit to Demat October 15, 2025
Listing on BSE & NSE October 16, 2025
Objective of the Issue
According to the company’s Red Herring Prospectus (RHP):
Proceeds from the fresh issue will be used for:
Prepayment/repayment of borrowings
Funding inorganic growth (acquisitions and expansion)
General corporate purposes
Funds from the OFS will go to General Atlantic Singapore, the selling shareholder.
About Rubicon Research
Founded in 2012, Rubicon Research is a specialty and generic pharmaceutical company focused primarily on the US market. The firm operates robust manufacturing facilities in Maharashtra and R&D centers in India and Canada.
By FY24, the company had commercialized 55 products in the US and ranked among the top 10 Indian pharma firms by total ANDA approvals — a testament to its innovation and consistent performance.