RUBICONNSERubicon Research Limited· Pharmaceuticals & BiotechnologyHighPositive
Announced Wed, 15 Apr, 2026 · 17:25 IST

Rubicon Research Limited has informed the Exchange regarding a press release dated April 15, 2026, titled "Press Release".

Listed Co AcquisitionStrategic Transactions View source PDFExplain this filing

RUBICON · price

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▲ positive · ▼ negative · ● neutral filings · teal = economic event · numbered = multiple that day (click to pick). Times IST.

Price reactionminutes from the announcement price · days from the prior close
+6.1%Reaction day
₹820.00
prior close
₹861.00
announcement price
After-mkt
timing
Nifty Microcap 250market · index membership as recorded later (tracked since Jun 2026)+1.2%+4.9% vs market
Pharmaceuticals peers, median of 160sector+0.2%+5.9% vs sector

On the reaction day the stock moved 4.9 pts more than Nifty Microcap 250 and 5.9 pts more than its Pharmaceuticals peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark
Stock
5m
-1.6
10m
-2.7
15m
-2.5
30m
-3.6
Sessions after the filingfrom the prior close
StockMarketvs marketSectorvs sector
Reaction day
+6.1+1.2+4.9+0.2+5.9
Next day
+9.7+2.4+7.4+0.8+8.9
2d
+13.9+1.8+12.1+0.1+13.8
3d
+13.2+2.9+10.3+0.7+12.5
4d
+14.5+4.2+10.3+1.0+13.5
5d
+13.5+4.0+9.6+1.6+11.9
1w
+17.2+5.0+12.2+1.3+15.9
15d
+15.7+9.2+6.6+5.3+10.4
1m
+22.3+3.5+18.8+2.1+20.2
2m
+63.4+11.5+51.9+6.5+56.9
3m
+70.5+15.2+55.3+13.1+57.4
UpDownMarket · Nifty Microcap 250Sector · Pharmaceuticals peers, median of 160Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

Rubicon Research Limited has acquired 85% equity ownership in Arinna Lifesciences Limited, a domestic formulations company focused on the central nervous system (CNS) therapeutic category. Arinna brings a portfolio of over 60 brands, a network of 4,000+ prescribers, and an established distribution network across India. The transaction values Arinna at an enterprise value of INR 200 Crores on a cash and debt free basis, with the purchase consideration for the 85% stake at approximately INR 175.92 Crores (INR 158.53 per share). For the 9 months ended December 2025, Arinna reported provisional revenue of INR 56.7 Crores and EBITDA of INR 9.5 Crores. The transaction is expected to close within 30 days, with Arinna's founder retaining a 15% stake and continuing as Managing Director.

Likely market impact

The acquisition gives Rubicon a launchpad to deploy its CNS-focused playbook in the Indian domestic formulations market, expanding from its US-centric operations into the India market. It strengthens Rubicon's chronic products portfolio and provides access to a wide prescriber and distribution network.