How Much Did Sonos Raise? Funding & Key Investors

Date
September 28, 2026
Sonos

Total amount raised

$437.3 Million

Latest funding date

8/1/2018

Sonos

Location

Title

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Sonos has successfully raised funding over 11 rounds, with the latest being its initial public offering in August 2018. The company is publicly traded under the ticker NASDAQ:SONO and has attracted investments from notable investors such as EquityZen and Audrey Capital.

Sonos's journey includes strategic acquisitions and investments, enhancing its position in the wireless audio market. Keep reading to explore the intricacies of Sonos's fundraising journey and the investors backing this innovative platform.

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What Is Sonos?

Sonos, based in Santa Barbara, California, operates in the Audio, Consumer Electronics, Music, and Wireless industries. The company specializes in wireless multi-room music systems, allowing users to control music throughout their homes via smartphones.

Founded in 2002, Sonos has grown to employ between 1001 and 5000 people. The company is publicly traded under the ticker NASDAQ:SONO and is known for its high-quality sound systems, innovative technology, and seamless product integration over WiFi.

How Much Funding Has Sonos Raised?

  1. Round Name: Series A
    • Amount Raised: USD 2,250,000
    • Date: January 2005
    • Lead Investors: Headline
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To develop and launch their initial product line.
  2. Round Name: Series A
    • Amount Raised: USD 15,000,000
    • Date: August 2005
    • Lead Investors: Headline
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To expand product offerings and scale operations.
  3. Round Name: Series B
    • Amount Raised: USD 6,000,000
    • Date: June 2007
    • Lead Investors: Headline
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To enhance technology and increase market penetration.
  4. Round Name: Series C
    • Amount Raised: USD 25,000,000
    • Date: March 2010
    • Lead Investors: Index Ventures
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To support international expansion and product development.
  5. Round Name: Series F
    • Amount Raised: USD 135,000,000
    • Date: June 2012
    • Lead Investors: Kohlberg Kravis Roberts
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To accelerate growth and innovation in wireless audio technology.
  6. Round Name: Series G
    • Amount Raised: USD 99,000,000
    • Date: July 2012
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To further expand market reach and enhance product offerings.
  7. Round Name: Secondary Market
    • Amount Raised: USD 25,000,000
    • Date: November 2013
    • Lead Investors: Kohlberg Kravis Roberts
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To provide liquidity to early investors and employees.
  8. Round Name: Secondary Market
    • Amount Raised: USD 130,000,000
    • Date: December 2014
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To support continued growth and innovation.
  9. Round Name: Angel
    • Amount Raised: Not publicly disclosed
    • Date: January 2017
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To fund early-stage development and operations.
  10. Round Name: Secondary Market
    • Amount Raised: Not publicly disclosed
    • Date: July 2018
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To provide liquidity to shareholders and support strategic initiatives.
  11. Round Name: Initial Public Offering
    • Amount Raised: USD 90.6 million in net proceeds to Sonos, after deducting underwriting discounts and commissions of USD 5.3 million; the company sold 6,388,888 shares at the USD 15.00 IPO price
    • Date: August 2018
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To fund working capital and other general corporate purposes.

Total Amount Raised: USD 437,250,000. Current Valuation: Not publicly disclosed. This total covers the eight earlier rounds with disclosed amounts; it excludes the August 2018 IPO net proceeds and two rounds whose amounts were never disclosed.

Key Investors

  • Kohlberg Kravis Roberts (KKR)
    • Details: KKR is a global investment firm managing multiple alternative asset classes, including private equity, energy, infrastructure, real estate, and credit. They have strategic partners that manage hedge funds.
    • Investment Focus Areas: Private Equity, Energy, Infrastructure, Real Estate, Credit
    • Notable Investments: Not publicly disclosed
  • Index Ventures
    • Details: Index Ventures is a venture capital firm that invests in technology-enabled companies. They focus on companies with the potential to disrupt their respective industries.
    • Investment Focus Areas: E-commerce, Fintech, Enterprise Software
    • Notable Investments: Not publicly disclosed
  • Headline
    • Details: Headline is a global venture capital firm investing in early-stage and growth-stage companies across various sectors. They have a strong focus on technology, consumer products, and healthcare.
    • Investment Focus Areas: Technology, Consumer Products, Healthcare
    • Notable Investments: Not publicly disclosed
  • EquityZen
    • Details: EquityZen is a marketplace for pre-IPO equity, providing liquidity to early investors and employees of private companies. They facilitate secondary market transactions for private company shares.
    • Investment Focus Areas: Pre-IPO Equity, Secondary Market Transactions
    • Notable Investments: Not publicly disclosed
  • Audrey Capital
    • Details: Audrey Capital is an investment firm focused on supporting innovative companies and technologies. They invest in a variety of sectors, aiming to foster growth and innovation.
    • Investment Focus Areas: Technology, Innovation, Growth
    • Notable Investments: Not publicly disclosed

What's Next for Sonos?

Sonos has not disclosed additional funding rounds since going public in 2018.

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