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ON24

Acquired

506 employees on LinkedIn · 8 known investors

Find your way into ON24

30 people in our graph share verified history with the ON24 team — schools, employers, funds. One of them is your warm intro.

Allen Duanunlockedknows Sharat Sharan · together at Hearst New Media
×9knows the team · via Hearst New Media
×2knows the team · via AT&T Bell Laboratories

ON24 provides a digital engagement platform that uses AI to turn webinars, content hubs, and virtual events into personalized content journeys for B2B sales and marketing teams. The platform generates first-party engagement data and AI-created content to drive pipeline and revenue.

Also known as NewsDirect Inc. · ON24, Inc. · ONTF

Founders & leadership

SSSharat Sharan
Sharat SharaninFounderSharat Sharan is co-founder, president, and CEO of ON24, an engagement platform for B2B sales and marketing that uses AI to deliver personalized content experiences and generate first-party engagement data. He has led the company since its founding and oversaw its expansion from a webinar platform to a multi-product suite, culminating in the company's public listing on the NYSE in 2021.

Investors · 8

Company profile

researched Aug 2026

ON24, Inc. is a San Francisco-headquartered cloud software company that develops and sells webinar, virtual conferencing, content hub and landing page applications delivered as a service to marketing and sales teams at B2B organizations. The platform is positioned as an intelligent engagement system that combines first-party digital experiences with personalization and content, and it supports use cases including demand generation, event management, product marketing, customer and client relations, partner enablement and professional certification.

The company expanded its offerings to include generative AI services in 2023, launching an AI-powered optimization suite and, between June 2023 and January 2024, its Analytics and Content Engine (ACE). Engagement captured through ON24 experiences is converted into first-party data and analytics that customers use to qualify leads, prioritize follow-up and measure pipeline contribution.

ON24 listed on the New York Stock Exchange under the ticker ONTF following its February 2021 IPO and remained public until Cvent completed its acquisition of the company on April 1, 2026, at which point ON24 became a privately held part of Cvent's event and webinar portfolio.

Founding story

Founded in 1998 as NewsDirect Inc. by Csaba Fikker, Bill Bales and Nina Chen to distribute internet-based video press releases; Sharat Sharan was hired as CEO after an initial investment and the company was renamed ON24 in 1999.

Business model

ON24 sells its webinar, virtual event, content hub and landing page applications to businesses as a software-as-a-service platform, with AI-based analytics and content capabilities layered on the core engagement products.

Traction

Company materials reported service to over 1,900 companies worldwide, with customers engaging an average of 4 million professionals per month and a total of 2.5 billion minutes per year. The February 2021 IPO generated gross proceeds of approximately $492.3 million.

Latest developments

ON24 entered a definitive agreement on December 30, 2025 to be acquired by Cvent in an all-cash transaction valued at approximately $400 million, or $8.10 per share, a roughly 62% premium to the November 10, 2025 closing price. Cvent completed the acquisition on April 1, 2026, ending ON24's public listing and stating plans to continue investing in the ON24 platform with a focus on AI, reliability and compliance.

Full profile — market position, technology, go-to-market, geography, history

Market position

ON24 has been recognized in webinar and web events software categories, including Frost & Sullivan market leadership awards (2009, 2010, 2012, 2014), G2 Grid Leader placements for Enterprise Webinars from 2017 through 2025, and TrustRadius Top Rated awards from 2019 through 2025. Cvent described the company as a trusted enterprise-grade webinar and digital engagement platform whose capabilities complement its own event technology.

Technology

The platform uses HTTP-based live streaming (HLS) to deliver live webinars and virtual events at 2500k and 300k video bit rates, and integrates with marketing automation platforms such as HubSpot, Zapier and Workato as well as CRM systems. Generative AI capabilities were added from 2023, including the Analytics and Content Engine (ACE) and an AI-powered optimization suite.

Go-to-market

B2B enterprise marketing, sales, customer success and event teams. Reported customers include 3 of the 6 largest global software companies, 4 of the 5 top global asset management firms, 3 of the 6 largest global pharmaceutical companies and 3 of the 5 largest global industrial companies.

Geography

Headquartered in San Francisco, California, with offices across North America, EMEA and APAC. The company has operations in the United States and affiliates in the United Kingdom, Australia, Singapore and Japan, and serves customers worldwide.

History

The company was founded in 1998 by Csaba Fikker, Bill Bales and Nina Chen as NewsDirect Inc., intended as a distribution center for internet-based video press releases. After an initial investment, the founders and board hired Sharat Sharan as CEO, and in 1999 the company rebranded to ON24 with a focus on online financial news streaming. Following the 2001 dot-com bust it concentrated solely on its webcasting platform and discontinued its news operation in August 2002. Global expansion began in 2006 across the US, UK, Australia, Singapore and Spain, and in 2008 it launched the ON24 Virtual Show virtual event platform covering trade shows and conferences. ON24 completed an IPO in February 2021 on the NYSE, added generative AI services from 2023, and agreed in December 2025 to be acquired by Cvent, with the deal closing on April 1, 2026.

Compiled by commissioned research from 6 cited public sources — announcements, filings, and press listed under research sources below.

Key figures

latest reported
Acquisition price per shareDec 2025$8.1
Acquisition total considerationDec 2025$400M
Company sizeJan 2022201-500
CustomersJan 20221,900 companies
EmployeesJan 2026250-500
IPO gross proceedsFeb 2021$492.3M
IPO share priceFeb 2021$50
Minutes of engagement per yearJan 20222,500,000,000 minutes/year
Professionals engaged per month (average)Jan 20224,000,000 professionals/month
Shares sold in IPOFeb 20219,845,069 shares

Company-reported or press-reported figures, each dated to when it was claimed — not independently audited.

Competitors · 5

by search overlap
Zoom495 shared keywordsZoom operates an AI-powered work platform for video communications and collaboration, including products such as Zoom Contact Center. It serves businesses and enterprises for remote and hybrid work communication.
Kaltura485 shared keywordsKaltura provides AI-powered video platforms for live and on-demand digital experiences that enable brands and organizations to engage audiences and achieve business goals. The company serves customers across various industries with video-based solutions for customer and employee engagement.
Asana442 shared keywordsAsana is a collaborative work management platform that helps teams align work to goals, coordinate tasks, and automate processes using AI-powered workflows. The platform serves organizations of all sizes seeking to improve productivity, visibility, and execution across teams and departments.
Twilio441 shared keywordsTwilio provides a cloud-based communications platform that enables businesses to integrate voice, messaging, and video into applications using APIs. The platform combines communication channels, contextual data, and AI orchestration for enterprises and developers building customer experiences.
Corporatefinanceinstitute434 shared keywordsCorporate Finance Institute offers an online specialization program teaching finance professionals how to integrate environmental, social, and governance (ESG) factors into financial analysis, valuation, and investment decision-making. The program covers ESG frameworks, sustainability integration, greenhouse gas accounting, and climate risk management across eight core courses.

Companies competing with ON24 for the same Google search keywords, organic and paid, via search-intersection analysis.

Timeline · 9

launches, deals, and filings
Apr 2026
Cvent closes acquisition of ON24

Cvent announced completion of the acquisition, adding ON24's enterprise webinar and AI-powered engagement capabilities to its event management platform and stating plans to continue investing in the ON24 platform.

$400M source ↗

Dec 2025
ON24 signs definitive agreement to be acquired by Cvent

All-cash transaction for total consideration of approximately $400 million; ON24 shareholders to receive $8.10 per share, a ~62% premium to the November 10, 2025 closing price and a 51% premium to the 90-day VWAP. Unanimously approved by ON24's board and expected to close in the first half of 2026, after which ON24 would be delisted and become privately held.

$400M source ↗

Jan 2024
Next generation of the ON24 intelligence platform, including AI-powered Analytics and Content Engine (ACE)

ACE was launched between June 2023 and January 2024 as part of ON24's AI-powered services.

source ↗

Jun 2023
ON24 unveils AI-powered optimization suite

source ↗

Feb 2021
Initial public offering on the NYSE

ON24 completed an IPO of 9,845,069 shares of common stock at $50.00 per share, generating gross proceeds of approximately $492.3 million; shares trade as NYSE: ONTF.

$492.3M source ↗

Jan 2008
Launch of ON24 Virtual Show virtual event platform

Expanded the company's focus to include trade shows, conferences and events.

source ↗

Jan 2006
Global expansion into the US, UK, Australia, Singapore and Spain

source ↗

Aug 2002
ON24 discontinues its news operation

Following the 2001 dot-com bust the company concentrated solely on its webcasting platform and shut its news unit in August 2002.

source ↗

Jan 1999
NewsDirect rebrands as ON24 under CEO Sharat Sharan

The company, founded in 1998 as NewsDirect Inc., rebranded to ON24 and focused on online financial news streaming media after hiring Sharat Sharan as CEO.

source ↗

Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.

In the news

Research sources · 6

primary sources listed

6 public sources were cited for this profile; the first-party ones are listed here.

Frequently asked questions

What does ON24 do?
ON24 is a San Francisco-based B2B webinar, virtual event and AI-powered digital engagement platform, acquired by Cvent in 2026.
Who founded ON24?
ON24 was founded by Sharat Sharan.
Who are ON24's investors?
ON24's investors include Band of Angels, Canaan Partners, MidCap Financial Investment, Rho Ventures, Second Alpha Partners, Skagerak Capital, US Venture Partners, Goldman Sachs.