Rubicon Research IPO is a book-built issue of INR 1,377.50 crores. The issue consists of a combination of a fresh issue of 0.13 crore shares and an offer for sale of 1.81 crore shares. The price band is set at INR 461 to INR 485 per share, and the lot size for an application is 30 shares. The minimum investment required by a retail investor is INR 14,550 (30 shares). The IPO opens on October 9, 2025, and closes on October 13, 2025. It will list on BSE and NSE with a tentative listing date of October 16, 2025.
Company Background
Rubicon Research Limited, incorporated in 1999, is a specialty pharmaceutical company focused on developing, manufacturing, and commercializing differentiated formulations. As of June 30, 2025, the company has 72 active ANDA and NDA products approved by the US FDA, with 66 commercialized products contributing USD 195 million in Fiscal 2024 within a US generic pharmaceutical market of USD 2,455.7 million. Rubicon markets over 350 SKUs to 96 customers, including major wholesalers that dominate US drug distribution.
WHAT IS GMP?
GMP (Grey Market Premium) is the difference between the IPO price
and the grey market price. It is the premium amount paid for the traded
IPO shares. It plays an important role in IPOs as it reflects how the
IPO would react on the listing day.
A grey market is a place where shares/stocks are traded before being
listed officially on the stock exchange.
Rubicon Research IPO
GMP Date
IPO Price
GMP
Last Updated
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**The GMP prices displayed here are solely for informational
purposes related to the grey market news. India IPO does not engage
in or facilitate grey market trading, nor are these rates (sub2)
indicative of any trading activity. We also do not recommend or
endorse participation in the grey market.**
Rubicon Research IPO Details
Detail
Description
IPO Date
October 9, 2025 to October 13, 2025
Listing Date
[.]
Face Value
₹1 per share
Issue Price Band
₹461 to ₹485 per share
Lot Size
30 Shares
Sale Type
Fresh Capital-cum-Offer for Sale
Total Issue Size
2,84,02,040 shares (aggregating up to ₹1,377.50 Cr)
Fresh Issue(Ex Market Maker)
1,03,09,278 shares (aggregating up to ₹500.00 Cr)
Offer for Sale
1,80,92,762 shares of ₹1 (aggregating up to ₹877.50 Cr)
Employee Discount
₹48.00
Issue Type
Bookbuilding IPO
Listing At
BSE, NSE
Share Holding Pre Issue
15,44,37,251 shares
Share Holding Post Issue
16,47,46,529 shares
Rubicon Research IPO Timeline
Detail
Description
IPO Open Date
Thu, Oct 9, 2025
IPO Close Date
Mon, Oct 13, 2025
Tentative Allotment
Tue, Oct 14, 2025
Initiation of Refunds
Wed, Oct 15, 2025
Credit of Shares to Demat
Wed, Oct 15, 2025
Tentative Listing Date
Thu, Oct 16, 2025
Cut-off time for UPI mandate confirmation
5 PM on Mon, Oct 13, 2025
Rubicon Research IPO Lot Size
Application
Lots
Shares
Amount
Individual investors (Retail) (Min)
1
30
₹14,550
Individual investors (Retail) (Max)
13
390
₹1,89,150
S-HNI (Min)
14
420
₹2,03,700
S-HNI (Max)
68
2,040
₹9,89,400
B-HNI (Min)
69
2,070
₹10,03,950
Rubicon Research IPO Promoter Holding
Share Holding Pre Issue
Share Holding Post Issue
Promoter Holding Pre Issue
77.67%
Promoter Holding Post Issue
-
Competitive Strength:
• Fastest-growing Indian pharmaceutical company that supports a strong commercial pipeline and robust sales.
• Experienced management and cost-effective manufacturing.
Rubicon Research IPO Financial Information
Period Ended
Assets
Revenue
Profit After Tax
Net Worth
Total Borrowing
30 Jun 2025
1,647.60
356.95
43.30
593
495.78
31 Mar 2025
1,451.43
1,296.22
134.36
540.98
393.17
31 Mar 2024
1,109.49
872.39
91.01
385.00
396.41
31 Mar 2023
749.70
419.00
-16.89
286.38
317.91
Amount in ₹
Crore
Key Performance Indicator
KPI
Values
ROE
29.02%
ROCE
26.45%
Debt/Equity
0.73
RoNW
29.02%
PAT Margin
10.37%
EBITDA Margin
20.67%
Pre IPO
Post IPO
EPS (Rs)
8.70
P/E (x)
Conclusion
The Rubicon Research IPO presents an opportunity for investors to invest in a fast-growing Indian pharmaceutical company with a strong focus on innovation and product diversification. Its robust R&D capabilities, diverse product portfolio, and presence in the US generic market make it a recognizable player in the industry. Backed by a strong revenue record, cost-effective manufacturing, and an experienced management team, Rubicon is well-positioned for sustained long-term value creation.