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Rubicon Research IPO logo

Rubicon Research IPO Subscription History

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Subscription Status  ·  Oct 09 – Oct 13, 2025  ·  ₹461–485

The Rubicon Research IPO subscription has recorded exceptional investor demand with an overall subscription of 103.90× as of Oct 16, 2025, indicating that investors applied for 103.90 times the number of shares on offer. All investor categories (institutional, HNI, and retail) have participated actively, making this one of the closely watched IPO openings.

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  • QIB (Qualified Institutional Buyers) subscribed 130.26×, heavyweight participation from mutual funds, foreign institutional investors (FIIs), and domestic banks. Strong QIB demand is widely regarded as one of the most reliable indicators of a successful listing.
  • HNI / NII category. Big NII (bids above ₹10 lakh) subscribed 111.93× and Small NII (below ₹10 lakh) subscribed 68.97×. High-net-worth investors are aggressively leveraging borrowed funds, signalling strong listing-gain expectations.
  • Retail investors subscribed 35.47×, demand vastly exceeds supply in the retail category. Allotment will be conducted via computerised lottery; each successful applicant is likely to receive exactly 1 lot.
QIB
130.26×
Qualified Institutional Buyers
NII
97.61×
Non-Institutional Investors
bNII
111.93×
Bids above ₹10L
sNII
68.97×
Bids below ₹10L
Retail
35.47×
Retail Individual Investors
Employees
16.80×
Employee Category
Total
103.90×
Massively Oversubscribed

Live Subscription Data

Last updated: Oct 16, 2025, 9:30 PM IST

Overall
103.90×
Category Shares Offered Shares Bid For Times Subscribed
QIB
Qualified Institutional Buyers
8,952,820 1,166,167,740
130.26×
NII
Non-Institutional Investors
4,476,409 436,939,170
97.61×
bNII
Bids above ₹10L
2,984,273 334,022,190
111.93×
sNII
Bids below ₹10L
1,492,136 102,916,980
68.97×
Retail
Retail Individual Investors
2,984,273 105,865,470
35.47×
Employees
Employee Category
42,168 708,240
16.80×
Total
16,455,670 1,709,680,620
103.90×
Massively Oversubscribed — 103.90× overall Allotment probability may be lower due to high demand

Day-wise Subscription History

Snapshot of each day's bidding activity

Thu, Oct 16, 2025
103.90×
Category Offered Bid For Times
QIB 8,952,820 1,166,167,740 130.26×
NII 4,476,409 436,939,170 97.61×
bNII 2,984,273 334,022,190 111.93×
sNII 1,492,136 102,916,980 68.97×
Retail 2,984,273 105,865,470 35.47×
Employees 42,168 708,240 16.80×
Total 16,455,670 1,709,680,620 103.90×

Frequently Asked Questions

What is the current subscription status of Rubicon Research IPO?

As of October 16, 2025, the Rubicon Research IPO has been subscribed 103.90 times overall. The IPO is fully subscribed with strong investor demand indicating extremely high interest.

When was the Rubicon Research IPO subscription window open?

The Rubicon Research IPO subscription window was open from October 09, 2025 to October 13, 2025. Investors could apply through their demat account or ASBA facility.

What is the price band and minimum investment for Rubicon Research IPO?

The Rubicon Research IPO has a price band of ₹461 to ₹485 per share, with a lot size of 30 shares. Minimum retail investment: ₹13,830 (lower band) or ₹14,550 (upper band).

What is the QIB subscription for Rubicon Research IPO?

The QIB category has been subscribed 130.26 times. QIBs were offered 8,952,820 shares. Strong QIB subscription indicates high institutional confidence.

What is the Retail subscription for Rubicon Research IPO?

Retail investors subscribed 35.47 times. Retail was offered 2,984,273 shares. High retail subscription reflects strong small-investor interest.

What is the NII subscription for Rubicon Research IPO?

Overall NII: 97.61×. bNII (>₹10L): 111.93×, sNII (<₹10L): 68.97×. NII includes HNIs and corporate entities investing above ₹2 lakh.

How can I check my Rubicon Research IPO allotment status?

Basis of allotment is on October 14, 2025. Check via the registrar's website, MUFG Intime India Pvt.Ltd using your PAN number, application number, or DP/Client ID. You can also check on BSE/NSE websites or through your broker's app.

When will Rubicon Research IPO be listed?

Rubicon Research IPO is expected to list on October 16, 2025. Shares will list on NSE,BSE. Allotted shares are credited to your demat account 1 business day before listing.

What does 103.90× subscription mean for Rubicon Research IPO?

A subscription multiple of 103.90× means investors have bid for 103.90 times the total shares available. Since the IPO is oversubscribed, not every applicant will receive shares, allotment happens via lottery (for retail) or proportionately (for other categories). Higher multiples generally reduce allotment probability.

What is the allotment probability for Rubicon Research IPO retail investors?

Based on the current retail subscription of 35.47×, the estimated allotment probability for retail investors is Low–Moderate. Lottery-based allotment. Retail allotment in oversubscribed IPOs is done by computerised lottery, each valid application has an equal probability regardless of the number of lots applied for.

How to apply for Rubicon Research IPO?

You can apply for Rubicon Research IPO through: (1) ASBA (Application Supported by Blocked Amount) via your bank's net banking or mobile app, (2) UPI-based application through your broker's app (Zerodha, Groww, Angel One, etc.), or (3) directly via your demat account. The amount is blocked in your account and deducted only upon allotment. Applications were accepted from Oct 09 to Oct 13, 2025.

What is the grey market premium (GMP) for Rubicon Research IPO?

The grey market premium (GMP) reflects unofficial pre-listing trading sentiment. For the latest Rubicon Research IPO GMP data, check the IPORise GMP page. Note: GMP is unofficial, speculative, and not a guaranteed indicator of listing price. Use it only as a sentiment signal alongside official subscription data.

New to reading subscription numbers? Read our guide on IPO subscription explained.

IPO Details

Open Date
Oct 09, 2025
Close Date
Oct 13, 2025
Allotment
Oct 14, 2025
Listing Date
Oct 16, 2025
Price Band
₹461 – ₹485
Lot Size
30 shares
Min. Investment
₹14,550
Exchange
NSE,BSE
Registrar
MUFG Intime India Pvt.Ltd
View Full IPO Details

What Happens Next

  1. Subscription Opens Done

    Oct 09, 2025
  2. Subscription Closes Done

    Oct 13, 2025
  3. Basis of Allotment Done

    Oct 14, 2025
  4. Listing on NSE,BSE Done

    Oct 16, 2025

Allotment Probability

Low–Moderate

Lottery-based allotment. Based on retail subscription of 35.47×.

Retail allotment in oversubscribed IPOs is done by computerised lottery, each valid application has equal odds regardless of lot size applied.

Share Allocation

QIB 54.4%
NII 27.2%
Retail 18.1%
Total Shares 16,455,670

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Subscription Guide

≥ 10× Heavily Oversubscribed
1× – 10× Subscribed / Oversubscribed
0.5× – 1× Partially Subscribed
< 0.5× Under-subscribed

Higher subscription = lower allotment probability. Progress bars compare each category relative to the highest-subscribed category.