Rubicon Research Limited – IPO

Rubicon Research Ltd. IPO is a book build issue of ₹1,377.50 crores. The issue is a combination of fresh issue of 1.03 crore shares aggregating to ₹500.00 crores and offer for sale of 1.81 crore shares aggregating to ₹877.50 crores. Rubicon Research IPO opens for subscription on Oct 9, 2025, and closes on Oct 13, 2025. The allotment for the Rubicon Research IPO is expected to be finalized on Oct 14, 2025. Rubicon Research IPO will list on BSE, NSE, with a tentative listing date fixed as Oct 16, 2025. Rubicon Research IPO price band is set at ₹461.00 to ₹485.00 per share. The lot size for an application is 30. The minimum amount of investment required by a retail investor is ₹14,550 (30 shares) (based on the upper price). The lot size investment for sNII is 14 lots (420 shares), amounting to ₹2,03,700, and for bNII, it is 69 lots (2,070 shares), amounting to ₹10,03,950.

Rubicon Research Limited – IPO Details

IPO Date October 9, 2025 to October 13, 2025
Listing Date October 16, 2025
Face Value ₹ 1 / Share
Price Band ₹ 461 to ₹ 485 / Share
Lot Size 30 Shares
Total Issue Size 2,84,02,040 shares
(Aggregating up to ₹1,377.50 Cr)
Fresh Issue 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
Market Maker portion

Rubicon Research Limited Timeline (Tentative Schedule)

Rubicon Research Limited IPO opens on October 9, 2025, and closes on October 13, 2025.

IPO Open Date October 9, 2025
IPO Close Date October 13, 2025
Basis of Allotment October 14, 2025
Initiation of Refunds October 15, 2025
Credit of Shares to Demat October 15, 2025
Listing Date October 16, 2025
Cut-off time for UPI mandate confirmation October 13, 2025

Rubicon Research Limited IPO Lot Size

Investors can bid for a minimum of 30 shares and in multiples thereof.  The following table depicts the minimum and maximum investment by Individual Investors (Retail) and HNI in terms of shares and amount.

Application Lots Shares Amount
Retail (Min) 1 30 Rs.14,550
Retail (Max) 13 390 Rs.189,150
S-HNI (Min) 14 420 Rs.203,700
S-HNI (Max) 68 2,040 Rs.989,400
B-HNI (Min) 69 2,070 Rs.1,003,950
HNI (Min)

Rubicon Research Limited IPO Promoter Holding

Share Holding Pre Issue 77.67%
Share Holding Post Issue

Rubicon Research Limited IPO Reservation

Investor Category Shares Offered Maximum Allottees
Anchor Investor Shares Offered
Market Maker Shares Offered
Other Shares Offered
QIB Shares Offered Not less than
75%
NII (HNI) Shares Offered Not more than
15%
bNII > ₹10L
sNII < ₹10L
Retail Shares Offered Not more than
10%
Employee Shares Offered
Total Shares Offered

Rubicon Research Limited IPO Anchor Investors Details

Bid Date
Shares Offered
Anchor Portion Size (In Cr.)
Anchor lock-in period end date for 50% shares (30 Days)
Anchor lock-in period end date for remaining shares (90 Days)

About Rubicon Research Limited

Founded in 1999, Rubicon Research Limited is a pharmaceutical firm that undertakes the development, production, and marketing of differentiated products.

As of June 30, 2025, Rubicon Research had 72 approved Abbreviated New Drug Application (ANDA) and New Drug Application (NDA) product portfolios in the US FDA. The company's product portfolio consists of 66 products that have gone commercial, out of which the US generic pharmaceutical market size is USD 2,455.7 million, of which the contribution of Rubicon Research Limited was USD 195 million during Fiscal 2024.

As of June 30, 2025, the company has 17 new products in US FDA ANDA approval pending and 63 products under various stages of development.

Through June 30, 2025, the company sold more than 350 SKUs to 96 customers, including three large wholesalers who account for greater than 90% of US wholesale drug distribution. The company also supplies group purchasing organizations (GPOs), national pharmacy chains, regional pharmacy chains, and managed care organizations.

Outside of the US market, Rubicon Research Limited has directly or indirectly, through third-party distribution partners, registered or filed 48 product applications in Australia, the United Kingdom, Singapore, Saudi Arabia, and the United Arab Emirates and plans to begin commercial activities upon approval. Rubicon also offers contract manufacturing services to certain customers in India, Australia, and New Zealand.

Rubicon Research Limited has three manufacturing plants in India and two US FDA inspected R&D centers-one each in India and Canada.

Competitive strengths

Indias fastest-growing pharmaceutical company among peers.

Data-driven product selection framework

Very strong R&D capabilities

Well-developed sales and distribution capabilities in the US

Strong history of compliance along with competence in cost-effective manufacturing

Seasoned and entrepreneurial management team

Key Performance Indicator

KPI Values
ROE 29.02%
ROCE 26.45%
Debt/Equity 0.73
RoNW 29.02%
P/BV
PAT Margin (%) 10.37%
  Pre IPO Post IPO
EPS (Rs) 8.70
P/E (x)

Note:

  • The Pre IPO EPS is calculated based on Pre-IPO shareholding as on the date of RHP and the latest FY earnings as of March 31, 2025, that is available in RHP.
  • The Post Issue EPS is calculated based on the Post issue shareholding and annualized FY earnings of June 30, 202,5 that is available in RHP.

Objects of the Issue (Rubicon Research Limited IPO Objectives)

Rubicon Research Limited Contact Details

Rubicon Research Ltd.

MedOne House, B-75,

Road No. 33, Wagle Estate,

Thane, Maharashtra, 400604

Phone: 022 61414000

Email[email protected]

Websitehttps://www.rubicon.co.in/

Rubicon Research Limited IPO Registrar

MUFG Intime India Pvt.Ltd.

Phone: +91-22-4918 6270

Email[email protected]

Websitehttps://linkintime.co.in/Initial_Offer/public-issues.html

Frequently Asked Questions


What is Rubicon Research Limited IPO?
The Rubicon Research Limited IPO is classified as an Mainline IPO. The issue price is set between ₹461 and ₹485 per equity share. A minimum of 30 shares is required per order. The IPO will be open from October 9, 2025, to October 13, 2025. The shares are proposed to be listed on BSE, NSE.

When does the Rubicon Research Limited IPO open and close?
The Rubicon Research Limited IPO will be opened on October 9, 2025, and closed on October 13, 2025.

What is the issue size of the Rubicon Research Limited IPO?
The size of the Rubicon Research Limited IPO is ₹1,377.50 Crin total. A fresh issue of 1,03,09,278 shares shares, aggregating up to ₹500.00 Cr, is included.

What is the price band of the Rubicon Research Limited Limited IPO?
The price band for the IPO has been set between ₹461 - ₹485 per equity share.

What is the allotment date of the Rubicon Research Limited IPO?
The share allotment date for the Rubicon Research Limited IPO is set for October 14, 2025.

What is the Rubicon Research Limited listing date?
The Rubicon Research Limited IPO is scheduled to be listed on October 16, 2025.

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