RainStor (Analytics, Big Data) — Funding, Investors & Signals 2026

RainStor

Efficiently mastering Big Data management and analysis for large enterprises with unparalleled storage optimization and cost reduction.

Founded 2004 Series C Total: $26.28M Analytics, Big Data +1

RainStor is a database company focusing on managing and analyzing Big Data for large enterprises with a primary emphasis on minimizing costs. The company offers two database products: Big Data Retention and Big Data Analytics on Hadoop, designed to handle multi-structured datasets efficiently. RainStor's standout features include granular-level data de-duplication and compression, drastically reducing storage footprint by over 95%. This results in accelerated query performance and significant cost reductions. Additionally, RainStor sets itself apart by being storage and hardware agnostic, compatible with various environments such as SAN, NAS, CAS, HDFS, and Cloud. The company's products are marketed directly and through key partners including Amdocs, Anritsu, AdaptiveMobile, Dell, Group2000, HP, and Teradata. RainStor's key use-cases include serving as a primary data hub for machine-generated data and Big Data Analytics on Hadoop. Founded in 2004, RainStor received a $12.00M Series C investment on 05 October 2012 from investors including Storm Ventures, Credit Suisse, Rogers Venture Partners, Doughty Hanson & Co, and Dow. The company is headquartered in San Francisco, CA, with an office in Gloucester, UK. For further information, visit www.rainstor.com.

Funding Stage	Amount	Investors	Lead Investors	Date
Series C	••••••	5	•••• ••••	05 Oct 2012
Convertible Note	••••••	-		09 Mar 2012
Venture Round	••••••	-		08 Jul 2011
Series B	••••••	4	•••• ••••	10 Mar 2010
Venture Round	••••••	1	•••• ••••	10 Feb 2009

Funding Stage

Amount

Investors

Lead Investors

Date

Series C

••••••

•••• ••••

05 Oct 2012

Convertible Note

••••••

09 Mar 2012

Venture Round

••••••

08 Jul 2011

Series B

••••••

•••• ••••

10 Mar 2010

Venture Round

••••••

•••• ••••

10 Feb 2009

FAQ About RainStor

Efficiently mastering Big Data management and analysis for large enterprises with unparalleled storage optimization and cost reduction.

RainStor was founded in 2004.

RainStor operates in the following industries: Analytics, Big Data, Enterprise Software.

RainStor has completed 5 funding rounds, raising a total of $26.28M. The latest funding stage is Series C.

Top alternatives and competitors to RainStor include Timecho, Pattern, Sparql City, Cubictree Technology Solutions Pvt Ltd, MinIO. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.

RainStor and Timecho are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

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