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Rubicon Research IPO Day 1: Check Subscription Status & Key Highlights

Rubicon Research Ltd. opened its Initial Public Offering (IPO) for subscription on 9 October 2025. The issue, aggregating up to ₹1,377.50 crore, includes both a fresh issue and an offer for sale. The company, engaged in developing and manufacturing pharmaceutical formulations, witnessed modest participation on the first day of bidding.

By the end of Day 1, overall subscription stood at 0.34 times, driven mainly by interest from retail investors. While institutional participation was yet to pick up, retail bids showed early traction. For complete IPO details, timelines, and live updates, visit Rubicon Research IPO.

Rubicon Research IPO Day 1 Subscription Status

The IPO received 52.46 lakh bids on the opening day, translating into 0.34 times subscription overall.
The retail category was subscribed 1.26 times, NII 0.38 times, while QIB participation is expected to gather pace in the following sessions.

Category

Subscription (times)

Shares Offered

Shares Bid For

QIB (Ex-Anchor)

0.00

85,06,804

2,520

NII

0.38

42,54,299

16,26,600

bNII (> ₹10 L)

0.30

28,36,200

8,42,850

sNII (< ₹10 L)

0.55

14,18,100

7,83,750

Retail

1.26

28,36,200

35,84,760

Employee

0.82

40,046

32,790

Total

0.34

1,56,37,349

52,46,670

Total Applications: 95,024.
Retail participation accounted for most of the early bids.

Rubicon Research – IPO Details

The IPO opened on 9 October 2025 and will close on 13 October 2025. The price band has been fixed between ₹461 and ₹485 per share. The issue comprises a fresh issue worth ₹500 crore and an offer for sale worth ₹877.50 crore, making the total size ₹1,377.50 crore.

Particulars

Details

Issue Type

Book-Built IPO

Price Band

₹461 – ₹485 per share

Face Value

₹1 each

Lot Size

30 shares

Minimum Investment (Retail)

₹14,550

Listing At

BSE, NSE

Issue Dates

9 – 13 Oct 2025

Tentative Listing

16 Oct 2025

Lead Managers

Axis Capital, IIFL Capital, JM Financial, SBI Capital Markets

Registrar

MUFG Intime India Pvt. Ltd.

Utilisation of Proceeds

Funds raised through the fresh issue will be used for the following purposes:

  • Prepayment or repayment of certain outstanding borrowings.

  • Funding potential acquisitions and strategic initiatives.

  • General corporate purposes.

Additional Read-  How to Apply for the Rubicon Research IPO: Investment Guide

Rubicon Research IPO Anchor Investor Allocation

Particulars

Details

Anchor Bid Date

8 October 2025

Total Shares Allotted

(To be updated post allocation)

Anchor Portion Size

(To be announced)

Lock-in (50%) Ends

(30 days post listing)

Lock-in (90%) Ends

(90 days post listing)

Anchor participation details are expected to be disclosed once the allocation list is released.

Click here to check out recently closed IPO

Conclusion

Rubicon Research IPO witnessed a measured start on Day 1, with retail investors showing notable interest. Institutional participation remains awaited as the bidding progresses. The mixed issue structure combining fresh capital and an offer for sale indicates both expansion plans and promoter stake dilution. The IPO will remain open until 13 October 2025, with allotment scheduled for 14 October 2025 and listing tentatively on 16 October 2025.

Interested in more opportunities? Check out our Upcoming IPO section for new listings and don’t forget to check your IPO allotment status for Rubicon Research IPO.

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The information provided on this website is for general informational purposes only and is subject to change without prior notice. BFSL shall not be responsible for any consequences arising from reliance on the information provided herein and shall not be held responsible for all or any actions that may subsequently result in any loss, damage and or liability. Interest rates, fees, and charges etc., are revised from time to time, for the latest details please refer to our Pricing page.

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