Filigran Funding, Investors & Competitors

Filigran has raised $114M across 4 funding rounds, most recently a $57M Series C in October 2025.

Last Filigran funding round

$57M

Series C · Oct 2025

Cumulative funding Filigran raised

$114M

across 4 funding rounds

Key investors in Filigran

  • Accel
  • Moonfire Ventures
  • Insight Partners
  • Motier Ventures
  • Kima Ventures
  • Eurazeo
  • Firestreak Ventures
  • T.Capital

Filigran Overview

About Filigran

Filigran is a Toulouse-based provider of open-source cybersecurity platforms within its eXtended Threat Management suite. OpenCTI organizes threat intelligence data from sources like MITRE ATT&CK and MISP, while OpenBAS simulates breaches for red team testing and blue team validation. The company delivers self-hosted options, cloud SaaS via AWS or Azure, and on-premises installations. Founded in 2020 from French military research, Filigran integrates with tools from Elastic and Recorded Future, serving enterprises in finance and government across Europe and the US.


Founded

2022

HQ

FranceParis

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

Filigran Funding History

Filigran has raised a total of $114M across 4 funding rounds.

Filigran's first fundraising round was a $6M seed round in June 2023. The most recent completed round was a $57M Series C in October 2025.

Filigran funding rounds

Filigran funding rounds
DateStageInvestorsRaisedDeal Summary
Oct 2025Series CEurazeo (lead); T.Capital; Insight Partners; Accel$57MFiligran is a Paris-based cybersecurity startup founded in 2022, specializing in open-source extended threat management (XTM) solutions including OpenCTI for threat intelligence and OpenBAS for automation. The company completed a $58 million Series C funding round on October 6, 2025, led by Eurazeo’s Growth team, with participation from Deutsche Telekom (T.Capital), Accel, and Insight Partners, bringing total funding to over $100 million following a $35 million Series B in October 2024. Funds will accelerate product development like OpenGRC for cyber risk prioritization and XTM One AI agent platform, expand into markets including Japan, Saudi Arabia, US, and DACH region, hire talent in France and Germany, and grow its open-source community which has doubled in two years. Filigran serves over 6,000 public and private organizations globally, including Rivian, Bouygues Telecom, Marriott, the FBI, European Commission, US and Australian federal agencies, and European institutions, with 35% of revenue from North America. The company monetizes premium services such as AI analytics and task automation atop its free open-source platforms. Cofounder Samuel Hassine stated plans to reach €20m ARR by end of 2025 and €100m by 2028, with the three-year strategy on track toward profitability by 2028; current headcount is 160, planning to triple US team of 30. The round supports Filigran's rapid growth amid rising demand for threat intelligence, positioning it against competitors in AI-driven cybersecurity while emphasizing community-driven, interoperable tools for proactive defense.
Oct 2024Series BInsight Partners (lead); Moonfire Ventures; Accel$35MFiligran is a Paris-based European cybertech company founded in 2016 that specializes in open-source threat intelligence and incident response platforms for enterprise security operations centers. The company's core products include OpenCTI, an open-source threat intelligence platform used by organizations such as the European Commission and NYC Cyber Command, and OpenBAS, a breach and attack simulation tool. Filigran is also developing eXtended Threat Management (XTM), a comprehensive cybersecurity suite that combines threat intelligence, incident response, and risk management capabilities with AI-driven capabilities. In October 2024, Filigran completed its $35 million Series B funding round led by Insight Partners, with continued support from existing investors Accel and Moonfire. This round came just months after a $16 million Series A earlier that year. The company had approximately 80-150 employees at the time of the Series B and had raised a cumulative $50 million across its funding rounds through October 2024. The Series B funding was earmarked to fuel global expansion, particularly in the United States and Pacific region, while supporting continued product innovation with a focus on AI and data engineering use cases, as well as expansion into regions like Germany, Japan, and Singapore. Filigran's rapid growth trajectory continued with a subsequent $58 million Series C round closed in October 2025, bringing total fundraising to over $100 million in just three years, demonstrating strong customer demand for its cybersecurity solutions.
Feb 2024Series AAccel (lead); Moonfire Ventures; Motier Ventures$16MFiligran, a Paris-based cybersecurity startup founded in 2022, develops the open-source eXtended Threat Management (XTM) suite, including OpenCTI for threat intelligence, used by over 4,000 organizations worldwide such as the FBI, Hermes, Airbus, and Marriott. The company raised €15 million (approximately $16 million) in its Series A funding round on February 29, 2024, led by Accel with participation from existing investors Moonfire Ventures and Motier Ventures. This followed a €5 million seed round in June 2023 and supports US and Australia expansion, product development, and team growth to 40 staff. Filigran's platform aggregates threat landscapes for risk analysis and cybersecurity, addressing AI-exacerbated threats. The Series A attracted interest from around 100 VC funds after rapid growth. Subsequent rounds include a $35M Series B in October 2024 led by Insight Partners and a $58M Series C in October 2025 led by Eurazeo’s Growth with Deutsche Telekom and others, bringing total funding over $100M.
Jun 2023SeedMoonfire Ventures (lead); Firestreak Ventures; CMA CGM Ventures; ZEBOX Ventures; Kima Ventures; Motier Ventures$6MFiligran, a Paris-based cybersecurity startup founded in September 2022, develops open-source eXtended Threat Management solutions including OpenCTI and OpenBAS for threat intelligence and automation. The company raised €5 million in a seed funding round on June 13, 2023, led by Moonfire Ventures with participation from Motier Ventures, Kima Ventures, ZEBOX Ventures, Firestreak Ventures, and others. Funds will support software engineering, product management, revenue operations, marketing, customer success, and international expansion. At the time of the round, Filigran had over 20 employees, more than 3,200 organizations using its solutions globally, and served over 40 private companies, public agencies, and non-profits. The investment accelerates development of enterprise-grade features like automation, NLP, AI, and analytics tailored to customer needs in cybersecurity and crisis management.

Who has invested in Filigran?

10 investors have backed Filigran across its funding rounds, including Accel, Moonfire Ventures, Insight Partners, Motier Ventures, Kima Ventures and Eurazeo.

Lead investors include Eurazeo, Insight Partners, Accel and Moonfire Ventures.


Filigran Investors

Investors in Filigran by funding rounds participated
InvestorHQRoundsRoleFirst check
Moonfire VenturesUnited KingdomLondon3LeadJun 2023
AccelUnited StatesPalo Alto, CA3LeadFeb 2024
Insight PartnersUnited StatesNew York City, NY2LeadOct 2024
Motier VenturesFranceParis2ParticipantJun 2023
Firestreak VenturesUnited StatesAspen, CO1ParticipantJun 2023
CMA CGM VenturesFranceMarseille1ParticipantJun 2023
T.CapitalGermanyHamburg1ParticipantOct 2025
ZEBOX VenturesFranceMarseille1ParticipantJun 2023

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Filigran Competitors

Filigran competitors include listed companies like Red Violet and Palantir, and private ones like Horizon3.ai, OneTrust, ReliaQuest and Exabeam.

Public and private companies comparable to Filigran
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Horizon3.aiUnited StatesSan Francisco, CAPrivate$30M-$2B-
OneTrustUnited StatesAtlanta, GAPrivate$400M-$4.5B11.3x
ReliaQuestUnited StatesTampa, FLPrivate$300M-$3.4B11.3x
ExabeamUnited StatesSan Francisco, CAPrivate$100M-$2.4B24.0x
Red VioletUnited StatesUnited StatesPublicly listed$90M$24M$1.2B11.7x
PalantirUnited StatesUnited StatesPublicly listed$4.5B$1.5B$424B58.1x

Filigran Public Comps

Filigran is still privately-owned, but its public comps include Palantir, Palo Alto Networks, CrowdStrike, IBM, ServiceNow, Fortinet, Cloudflare, Datadog, RELX and Strategy.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Palantir$4.5B$1.5B92.6x58.1x285.0x97.4x
Palo Alto Networks$11B$1B26.7x25.9x301.1x76.9x
CrowdStrike$4.8B($12M)51.4x44.5x(19816.2x)151.0x
IBM$68B$17B4.2x4.0x16.9x14.6x
ServiceNow$13B$2.6B11.1x9.6x57.2x25.0x
Fortinet$6.8B$2.3B18.1x15.9x53.7x41.9x
Cloudflare$2.2B($25M)54.6x44.3x(4653.4x)185.1x
Datadog$3.4B($588K)23.6x19.4x(137813.0x)77.6x

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Common questions about Filigran

When was Filigran founded?Filigran was founded in 2022.
Where is Filigran headquartered?Filigran is headquartered in Paris, France.
Is Filigran publicly listed?No, Filigran is a private, VC-backed company.
How much funding has Filigran raised?Filigran has raised $114M across 4 funding rounds.
What was Filigran's last funding round?Filigran's last funding round was a $57M Series C in October 2025, led by Eurazeo.
Who are Filigran's investors?Filigran's investors include Moonfire Ventures, Accel, Insight Partners, Motier Ventures, Firestreak Ventures, CMA CGM Ventures, T.Capital, ZEBOX Ventures, Eurazeo and Kima Ventures.
Which companies are comparable to Filigran?Companies comparable to Filigran include Horizon3.ai, OneTrust, ReliaQuest, Exabeam, Red Violet and Palantir.

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