Upwind Security Valuation, Funding & Investors

Upwind Security is valued at $3.8B as of September 2026.

Last Upwind Security valuation

$3.8B

Undisclosed stage · Sep 2026

Last Upwind Security funding round

$300M

Undisclosed stage · Sep 2026

Cumulative funding Upwind Security raised

$730M

across 5 funding rounds

Key investors in Upwind Security

  • Greylock
  • Craft Ventures
  • Cyberstarts
  • Leaders Fund
  • TCV
  • Cerca Partners

Upwind Security Overview

About Upwind Security

Upwind Security is a cloud security platform using runtime analysis to detect vulnerabilities in containers, Kubernetes, and serverless workloads. San Francisco-headquartered since 2021, it prioritizes risks with contextual insights into code, infrastructure, and behavior. Upwind Security serves enterprises like Salesforce and Snowflake, integrating with CI/CD pipelines for continuous compliance scanning.


Founded

2022

HQ

United StatesSan Francisco, CA

Website

upwind.io

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

Valuation

$3.8B (Sep 2026)

Upwind Security Valuation

Upwind Security is currently valued at $3.8B, based on its undisclosed-stage round in September 2026.

The $300M round was led by Bessemer Venture Partners and TCV, with participation from Leaders Fund, Alta Park Capital, Salesforce Ventures, Cyberstarts, Greylock and 1 other investor.

Upwind Security's valuation has grown 13x from $300M at its Series A in September 2023 to $3.8B in September 2026, across 4 priced rounds.

Upwind Security valuation by funding round

Upwind Security valuation by funding round
DateStageValuation
Sep 2026Undisclosed stage$3.8B
Jan 2026Series B$1.5B
Dec 2024Series A$900M
Sep 2023Series A$300M

Upwind Security Funding History

Upwind Security has raised a total of $730M across 5 funding rounds.

Upwind Security's first fundraising round was a $30M seed round in September 2022. The most recent completed round was a $300M undisclosed-stage round in September 2026.

Upwind Security funding rounds

Upwind Security funding rounds
DateStageInvestorsRaisedValuationDeal Summary
Sep 2026Undisclosed stageBessemer Venture Partners (lead); TCV (lead); Leaders Fund; Alta Park Capital; Salesforce Ventures; Cyberstarts; Greylock; Craft Ventures$300M$3.8BUpwind raised $300 million in September 2026 at a $3.8 billion valuation in a financing led by Bessemer Venture Partners and TCV, with participation from Salesforce Ventures, Greylock, Cyberstarts, Leaders Fund, Craft Ventures, Alta Park Capital, and other existing backers. The round significantly increased the company’s valuation from its earlier January 2026 Series B and added fresh capital to accelerate growth in AI security and cloud security products. Upwind is a cloud security company founded by Amiram Shachar and positioned around runtime-first security for cloud and AI applications. Its platform is used to secure cloud environments across code-to-runtime visibility, developer-first security, and broader cloud protection use cases, and the company has expanded its investor base across multiple financing rounds. At the earlier January 2026 Series B, Upwind raised $250 million at a $1.5 billion valuation, bringing total funding to $430 million at that time. Investors included Bessemer Venture Partners, Salesforce Ventures, Picture Capital, and existing investors such as Alta Park Capital, Greylock, Cyberstarts, Leaders Fund, Craft Ventures, TCV, Cerca Partners, Swish Ventures, and Penny Jar Capital.
Jan 2026Series BBessemer Venture Partners (lead); Leaders Fund; Alta Park Capital; Salesforce Ventures; Swish Ventures; TCV; Cyberstarts; Picture Capital; Greylock; Penny Jar Capital; Craft Ventures; Cerca Partners$250M$1.5BUpwind Security is a cloud security startup founded in 2022 by the former leadership team of Spot.io, which was acquired by NetApp for around $450 million in 2020. The company provides a runtime cloud security platform using an eBPF-based sensor for real-time visibility into workloads, configurations, and applications, focusing on monitoring internal signals like API traffic and network requests to detect risks and reduce alert noise in cloud-native environments. It positions itself as a comprehensive solution contrasting traditional outside-in scanning methods, with expansions into AI security and developer tools to prevent misconfigurations. Upwind raised $250 million in a Series B funding round in January 2026, led by Bessemer Venture Partners, with participation from Salesforce Ventures, Picture Capital, and existing investors including Greylock, Cyberstarts, Leaders Fund, Craft Ventures, TCV, Alta Park Capital, Cerca Partners, Swish Ventures, and Penny Jar Capital. This round brings total funding to $430 million and values the company at $1.5 billion post-money, making it the first unicorn in modern cloud security according to CEO Amiram Shachar. The funding follows a $100 million Series A in late 2024 at an estimated $800-900 million valuation and aims to accelerate scaling, product development, go-to-market efforts, and channel partnerships, having added over 100 partners including MSPs and VARs in the past year. The company reports 900% year-over-year revenue growth and has doubled its customer base, serving global enterprises such as Siemens, Peloton, Roku, Wix, Nextdoor, and Nubank. Most major accounts came through channel partnerships. Upwind has received recognitions like CRN's 2025 Stellar Startups list and was reportedly in acquisition talks with Datadog for around $1 billion in 2025. The runtime-first approach addresses the evolution of cloud infrastructures, particularly in the AI era, by prioritizing real threats in integrated platforms amid an overcrowded security market.
Dec 2024Series ACraft Ventures (lead); Leaders Fund; Alta Park Capital; TCV; Sheva Capital; Cyberstarts; Greylock; Penny Jar Capital; Cerca Partners$100M$900MUpwind Security is an Israeli-founded cloud security startup offering a runtime-first platform with real-time visibility into workloads, configurations, and applications using eBPF-based sensors, protecting cloud infrastructure amid AI and data growth. Founded in 2022 by former Spot.io leaders (acquired by NetApp), it serves enterprises like Siemens, Peloton, Roku, Booking.com, and Nubank, emphasizing integrated CNAPP solutions to address overcrowded security tools. In December 2024, Upwind raised $100 million in a funding round at a $900 million company valuation, aligning with investors such as Alta Park Capital, Cerca Partners, Craft Ventures (lead), Cyberstarts, Greylock, Leaders Fund, Penny Jar Capital, Sheva Capital, and TCV. This Series A (per some sources) brought total funding under $200M at the time, aimed at expanding operations across Israel, US, and UK offices, meeting cloud app protection demand, doubling workforce to around 300 employees (150 in Israel), and scaling product engineering. The round preceded a larger January 2026 Series B of $250 million led by Bessemer Venture Partners at $1.5 billion valuation, reaching unicorn status and total funding of $430 million, with participation from prior investors plus Picture Capital and others. Funds supported AI-enhanced detection, real-time risk insights, go-to-market expansion, and unified platform development for security, DevOps, and engineering alignment. Upwind reported 900% revenue growth and 200% customer base increase over the past year leading to the 2026 round, plus over 100 new channel partners including MSPs and VARs, with most big accounts from channels. It positions as the first unicorn in modern cloud security, capitalizing on digital transformation, cloud migration, and AI-driven threats like ransomware. Competitive context highlights challenges in adopting new runtime approaches over traditional agents, but strong validation from market recognition (e.g., CRN Stellar Startups 2025) and customer adoption underscores its traction in the booming cloud security space.
Sep 2023Series ACyberstarts (lead); Greylock (lead); Leaders Fund (lead); Omri Casspi; Penny Jar Capital; Craft Ventures; Cerca Partners$50M$300M-
Sep 2022Seed-$30M--

Who has invested in Upwind Security?

14 investors have backed Upwind Security across its funding rounds, including Greylock, Craft Ventures, Cyberstarts, Leaders Fund, TCV and Cerca Partners.

Lead investors include Bessemer Venture Partners, TCV, Craft Ventures, Cyberstarts, Greylock and 1 other investor.


Upwind Security Investors

Investors in Upwind Security by funding rounds participated
InvestorHQRoundsRoleFirst check
Leaders FundCanadaToronto4LeadSep 2023
CyberstartsIsraelTel Aviv4LeadSep 2023
GreylockUnited StatesSan Francisco, CA4LeadSep 2023
Craft VenturesUnited StatesSan Francisco, CA4LeadSep 2023
Alta Park CapitalUnited StatesSan Francisco, CA3ParticipantDec 2024
TCVUnited StatesSan Francisco, CA3LeadDec 2024
Penny Jar CapitalUnited StatesSan Francisco, CA3ParticipantSep 2023
Cerca PartnersIsraelRa'anana3ParticipantSep 2023
Salesforce VenturesUnited StatesSan Francisco, CA2ParticipantJan 2026
Bessemer Venture PartnersUnited StatesSan Francisco, CA2LeadJan 2026
Swish VenturesIsraelTel Aviv1ParticipantJan 2026
Omri CasspiIsraelIsrael1ParticipantSep 2023

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Acquisitions by Upwind Security

Upwind Security has acquired 1 company to date.

Last acquisition by Upwind Security was on April 28th 2025. Upwind Security acquired Nyx Security for undisclosed valuation.


Latest Acquisitions by Upwind Security

Nyx Security
Description
Nyx Security is an Israel-based specialist in embedded systems cybersecurity, securing real-time operating systems, Linux kernels, Android frameworks, and IoT firmware against remote exploits. The company delivers binary analysis tools and runtime protection for automotive ECUs, medical devices, and defense hardware compliant with ISO 26262. Nyx Security serves clients in Europe and North America with vulnerability assessments. Founded in 2015 in Tel Aviv, it holds Common Criteria certifications.
HQ CountryIsrael
HQ City
Kiryat Ono
Deal Date28 Apr 2025
Valuationundisclosed
EV/Revenue
EV/EBITDA

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Upwind Security Competitors

Upwind Security competitors include listed companies like Tenable and Clear Secure, and private ones like Chainguard, Vanta, ReliaQuest and Arctic Wolf.

Public and private companies comparable to Upwind Security
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
TenableUnited StatesUnited StatesPublicly listed$999M$31M$4B3.9x
ChainguardUnited StatesSeattle, WAPrivate$40M-$3.5B87.5x
Clear SecureUnited StatesUnited StatesPublicly listed$901M$216M$4.1B3.2x
VantaUnited StatesSan Francisco, CAPrivate$220M-$4.2B18.9x
ReliaQuestUnited StatesTampa, FLPrivate$300M-$3.4B11.3x
Arctic WolfUnited StatesMinneapolis, MNPrivate$200M-$4.3B21.5x

Upwind Security Public Comps

Upwind Security is still privately-owned, but its public comps include Tenable, Clear Secure, Cellebrite, BlackBerry, AvePoint, NetScout Systems, QiAnXin, Venustech Group, Trend Micro and Varonis Systems.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Tenable$999M$31M4.1x3.9x129.9x15.3x
Clear Secure$901M$216M3.7x3.2x15.3x9.5x
Cellebrite$476M$79M5.4x4.8x32.3x17.3x
BlackBerry$549M$83M8.3x7.8x54.9x36.6x
AvePoint$419M$42M5.9x5.1x58.4x27.4x
NetScout Systems$859M$163M2.6x2.6x13.9x9.5x
QiAnXin$655M($147M)4.6x4.5x(20.4x)(41.4x)
Venustech Group$349M($60M)6.6x6.0x(38.4x)(176057.4x)

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Common questions about Upwind Security

When was Upwind Security founded?Upwind Security was founded in 2022.
Where is Upwind Security headquartered?Upwind Security is headquartered in San Francisco, CA, United States.
Is Upwind Security publicly listed?No, Upwind Security is a private, VC-backed company.
What is Upwind Security's valuation?Upwind Security was last valued at $3.8B in its undisclosed-stage round in September 2026.
How much funding has Upwind Security raised?Upwind Security has raised $730M across 5 funding rounds.
What was Upwind Security's last funding round?Upwind Security's last funding round was a $300M undisclosed-stage round in September 2026, led by Bessemer Venture Partners and TCV.
Who are Upwind Security's investors?Upwind Security's investors include Leaders Fund, Cyberstarts, Greylock, Craft Ventures, Alta Park Capital, TCV, Penny Jar Capital, Cerca Partners, Salesforce Ventures, Bessemer Venture Partners and 4 others.
Which companies are comparable to Upwind Security?Companies comparable to Upwind Security include Tenable, Chainguard, Clear Secure, Vanta, ReliaQuest and Arctic Wolf.
How many companies has Upwind Security acquired?Upwind Security has acquired 1 company, including Nyx Security.

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