How Much Did PubNub Raise? Funding & Key Investors

Date
April 14, 2025
PubNub

Total amount raised

$134.1 Million

Latest funding date

11/01/2021

PubNub

Location

Title

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https://www.pubnub.com
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PubNub has successfully raised significant funding over multiple rounds, establishing itself as a key player in the real-time interactive applications market. The platform offers robust solutions for building, managing, and optimizing real-time apps at scale.

Keep reading to explore the intricacies of PubNub's fundraising journey and the investors backing this innovative platform.

What Is PubNub?

PubNub, founded in 2010, operates in the real-time communication and data streaming technology industry. The company provides a robust platform for building, managing, and optimizing real-time interactive applications.

PubNub's services include real-time messaging, global network infrastructure, and decision intelligence, catering to various industries such as sports, media, digital health, and gaming. The platform is designed to be scalable and secure, capable of handling millions of concurrent users and devices.

With a focus on increasing engagement and retention, PubNub offers solutions for chat, live audience engagement, IoT device control, data streaming, and geolocation, making it a versatile choice for businesses looking to leverage real-time data.

How Much Funding Has PubNub Raised?

  1. Seed Round
    • Amount Raised: Not publicly disclosed
    • Date: November 2011
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To kickstart the development of PubNub's real-time communication platform.
  2. Series A
    • Amount Raised: USD 4,500,000
    • Date: March 2012
    • Lead Investors: Relay Ventures
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To expand the platform's capabilities and scale operations.
  3. Series B
    • Amount Raised: USD 10,600,000
    • Date: September 2013
    • Lead Investors: Scale Venture Partners
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To enhance the platform's infrastructure and support a growing user base.
  4. Series C
    • Amount Raised: USD 25,000,000
    • Date: September 2015
    • Lead Investors: Sapphire Ventures
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To accelerate product development and expand market reach.
  5. Series Unknown
    • Amount Raised: USD 6,000,000
    • Date: September 2016
    • Lead Investors: Cisco Investments, Ericsson
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To further develop real-time data streaming capabilities.
  6. Series D
    • Amount Raised: USD 23,000,000
    • Date: April 2019
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: USD 220,000,000
    • Motivation Behind the Round: To scale the business and enhance platform features.
  7. Series E
    • Amount Raised: USD 65,000,000
    • Date: November 2021
    • Lead Investors: The Raine Group
    • Valuation at Round: Much higher than USD 220,000,000
    • Motivation Behind the Round: To expand platform functionality and geographical presence, including a new office in Singapore.

Total Amount Raised: USD 134,100,000. Current Valuation: Not publicly disclosed.

Key Investors

  • Raine Group
    • Details: Raine Group is a global merchant bank focused on technology, media, and telecommunications. They have been involved in numerous high-profile M&A deals and investments.
    • Investment Focus Areas: Technology, media, telecommunications
    • Notable Investments: Apple, Tencent, ByteDance
  • Sapphire Ventures
    • Details: Sapphire Ventures is a venture capital firm that invests in growth-stage technology companies. They have a strong track record of helping companies scale and achieve market leadership.
    • Investment Focus Areas: Growth-stage technology companies
    • Notable Investments: Not publicly disclosed
  • Scale Ventures
    • Details: Scale Ventures is a venture capital firm focused on early-in-revenue technology companies. They provide capital and strategic support to help companies grow.
    • Investment Focus Areas: Early-in-revenue technology companies
    • Notable Investments: Not publicly disclosed
  • Hewlett Packard Enterprise (HPE)
    • Details: HPE is a global enterprise information technology company. They offer a wide range of IT solutions and services to businesses worldwide.
    • Investment Focus Areas: Enterprise IT solutions
    • Notable Investments: Not publicly disclosed
  • Bosch
    • Details: Bosch is a multinational engineering and technology company. They are known for their innovative solutions in various sectors, including automotive and industrial technology.
    • Investment Focus Areas: Engineering, technology solutions
    • Notable Investments: Not publicly disclosed

What's Next for PubNub?

PubNub stands at the cusp of significant growth opportunities, driven by the increasing reliance on real-time data streams across various sectors. With its APIs already powering 600 million devices globally, the company is poised to expand its platform functionality and geographical presence, starting with a new office in Singapore. This expansion aligns with the growing demand in sectors like gaming, virtual events, and telehealth, where real-time data is becoming indispensable.

Future fundraising opportunities appear promising, especially with the backing of influential investors like Raine Group. Their extensive network in technology, media, and telecommunications could pave the way for strategic partnerships and further investment rounds. However, PubNub will need to navigate a competitive landscape, facing rivals like Twilio and Google's Firebase, while also addressing data privacy concerns and managing information overload.

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