Overview
Andreessen Horowitz (a16z) is a Silicon Valley venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. The firm manages over $90 billion in assets across venture, growth, crypto, bio, and American Dynamism funds. Its American Dynamism practice, co-founded by Katherine Boyle, invests in robotics, defense, and critical infrastructure companies including Anduril, Saronic, and Hadrian.
Verified record
- Verified deployments
- None on file
- Active incidents
- None on file
Key facts
AUM
Founders
Notable GPs
American Dynamism Fund II
January 2026 fundraise
Foundry Management with Atlas Holdings (company-stated, Oct 2026)
Data & sources
Press releases
1
News coverage
1
Web sources
4
6 sources backing this record.View all →
Partnerships
Every company Andreessen Horowitz has built with, alongside the ones only announced in a press release.
Most-frequent partners
- 18VC1× joint1 total
- 2Atlas Holdings1× joint
- 3Caffeinated Capital1× joint1 total
- 4Elad Gil1× joint
- 5Foundry Management1× joint
- 6NightDragon1× joint1 total
Most recent
- with Atlas Holdingsjust announced
- Saronic Series B (2024)2024-07-19with Saronic Technologiesoperating
Relationships
Current leadership (6)
- Marc Andreessen Co-founder & General PartnerSEC-verified
- Ben Horowitz Co-founder & General PartnerSEC-verified
- Katherine Boyle General Partner, American DynamismSEC-verified
- Chris Dixon General PartnerSEC-verified
- Martin Casado General PartnerSEC-verified
- Andrew Chen General Partner, Andreessen Horowitzsecondary-verified
Founders (2)
- Marc Andreessenno longer at company
- Ben Horowitzno longer at company
Former / Previously (1)
- Jacob Zietek Engineering Fellow, American Dynamismsecondary-verified
Safety record
No incidents on record for Andreessen Horowitz.
Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.
Full safety record: incidents, sourcing, and exposure data →
Recent coverage
Andreessen Horowitz in third-party press
Financial state
- Reporting basis
- private_reported
- Lifecycle stage
- mature
- Counterparty risk class
- low
Each numeric field carries its own basis marker. Aggregators report a number; this surface preserves the source class so verification depth travels with the value.
Partnerships
2 total · 1 operating · 1 just announced
Every company Andreessen Horowitz has built with, alongside the ones only announced in a press release.
Most recent
- with Atlas Holdingsjust announced
- Saronic Series B (2024)2024-07-19with Saronic Technologiesoperating
Most-frequent partners
- 18VC1× joint1 total
- 2Atlas Holdings1× joint
- 3Caffeinated Capital1× joint1 total
- 4Elad Gil1× joint
- 5Foundry Management1× joint
- 6NightDragon1× joint1 total
All 2 partnerships
open in the atlas →- investment2024-07-19operating
- other2026-10-01announcedjust announced
Timeline
Every recorded move in Andreessen Horowitz’s history, most recent first: funding rounds, partnerships, acquisitions, supply-chain starts, key hires, and press.
PartnershipSaronic Series B (2024)
2024-07-19Saronic, a maritime-defense company building autonomous surface vessels, raised a $175 million Series B (announced July 19, 2024) at a $1 billion valuation, led by Andreessen Horowitz with 8VC, Caffeinated Capital, Elad Gil, and NightDragon.
Recent activity
Every change to this record is dated, sourced, and independently verified where marked.
- Record createdJun 25, 2026
Added to the verified registry
Sources (6)
- https://a16z.com/
- https://en.wikipedia.org/wiki/Andreessen_Horowitz
- https://a16z.com/american-dynamism/
- https://x.com/BarnehamaArye/status/2105691922484605179 · 2026-10-01
- https://x.com/foundrymgt/status/2105691068687876525 · 2026-10-01
- https://www.wsj.com/pro/venture-capital/andreessen-horowitz-and-atlas-holdings-want-ai-entrepreneurs-on-the-factory-floor-fb5711dd · 2026-10-01
Common questions
What is Andreessen Horowitz?
What does Andreessen Horowitz make?
Is Andreessen Horowitz publicly traded?
Who is the CEO of Andreessen Horowitz?
How can I invest in Andreessen Horowitz?
Where is Andreessen Horowitz headquartered?
Who owns Andreessen Horowitz?
Is Andreessen Horowitz a top robotics company?
Is Andreessen Horowitz safe?
Methodology: Verified · 6 sources (1 primary) · last reviewed 2026-10-02
Verification posture
Verified
High confidence
Review state
Stable
Last reviewed 2026-10-02
Sources by quality tier
- 3
- unclassified
- Unclassified source
- 1
- knowledge-base
- Knowledge base
- 1
- primary-company-ir
- Company IR disclosure
- 1
- secondary-established-publication
- Established publication
The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.
Methodology surface for Andreessen Horowitz.In the press
Recent coverage mentioning Andreessen Horowitz from third-party publications. Automatically surfaced; not part of the verified registry record.
AI Cybersecurity Startup Armadin Raises $255.5M, Valuation Tops $2.5 Billion
Ascendants AI Cybersecurity Startup Armadin Raises $255.5M, Valuation Tops $2.5 Billion Kevin Mandia-led Armadin has secured fresh funding from investors including Andreessen…
Armadin nabs $255.5M to detect vulnerabilities with AI agent swarms
Cybersecurity startup Armadin Inc. today announced that it has raised $255.5 million in funding at a valuation exceeding $2.5 billion. Andreessen Horowitz and Accel co-led the…
Armadin Raises $255.5 Million Series B At Over $2.5 Billion Valuation
Armadin has raised $255.5 million in Series B funding at a valuation of more than $2.5 billion, just seven months after the AI-native cybersecurity company emerged from stealth.…
Larridin Raises $17M Seed
Larridin raises $17M in seed funding led by Andreessen Horowitz to expand its AI value measurement platform for enterprise adoption and spend tracking.
Hilbert Raises $28M Series A
Hilbert raises $28M in a Series A round led by Andreessen Horowitz to expand its AI-powered analytics platform for B2C consumer brands.
Jeeves raises $110M to scale stablecoin-native banking platform for global payments
Jeeves Inc., a stablecoin-focused banking platform for global enterprises, announced Tuesday it has raised $110 million in equity funding to launch a cryptocurrency wallet with…
EliseAI raises $350M to enhance its AI work automation suite
EliseAI, a startup that develops artificial intelligence tools for real-estate companies and healthcare providers, has raised $350 million in funding. Andreessen Horowitz and…
EliseAI Raises $350 Million At $4 Billion Valuation To Expand AI Across Housing And Healthcare
EliseAI has raised $350 million at a $4 billion valuation, doubling its valuation from its previous funding round in August 2025 as the company expands its vertical AI platform…
Vals, backed by Andreessen Horowitz, is looking to become the gold standard for AI benchmarking
Vals AI is hoping to make AI benchmarking a more neutral and trustworthy resource in a world increasingly inundated by AI models.
Venture Capital & Startup Funding Roundup, September 17, 2026: 3KVC, Andreessen Horowitz, Insight Partners, Valor Equity Partners & More
Venture capital sent a clear signal over the past 12 hours: investors are no longer paying simply for AI exposure. They’re paying for control of the bottlenecks AI cannot scale…
Venture Capital & Startup Funding Roundup, September 16, 2026: Andreessen Horowitz, Index Ventures, M12, Vista Equity & More
Venture capital is not moving evenly today. It is clustering around businesses that control a scarce input, remove an expensive operational bottleneck, or sit close enough to a…
Venture Capital & Startup Funding Roundup, September 10, 2026: Andreessen Horowitz, Bessemer, Insight Partners, Sequoia Capital & More
Venture capital did not spread evenly across the startup market today. It piled into a small number of companies near physical constraints: tunnels, weapons manufacturing, AI…
Machine-readable surfaces
- Markdown mirror: /companies/andreessen-horowitz.md
- RSS feed: /companies/andreessen-horowitz/feed.xml
- JSON-LD: embedded in this page’s head
- REST API: /v1/companies/efd34b83-af03-4f6b-9dbc-9c509e737247
- Revision history: /companies/andreessen-horowitz/history
- Data documentation: /data
- Query this programmatically: Deploy MCP
Video
In this closing keynote from a16z’s Runtime conference, General Partner Erik Torenberg speaks with our firm’s cofounders, Marc Andreessen and Ben Horowitz on highlights from throughout the conference, the current state o
David Ulevitch speaks with Ben Horowitz about what it means to lead the technology industry at scale, and the responsibilities that come with it. Following the
On the a16z podcast, Marc Andreessen shares how improvements in technology inevitably lead to improvements in productivity, driving down costs and resulting in
"Humanoid robots, the general-purpose robotics thing, is going to happen, and it's going to happen in the next decade, and it's going to happen at giant scale.
Heat Index
Serious52/100
A composite of competitive footprint, funding, press velocity, active partnerships, and supply-chain edges. Different from the Intelligence score below (which is per-form-factor productization). Non-robotics companies cap at 25.
Reality vs attention
Not enough verified signal yet to place Andreessen Horowitz against peers. Reality and attention percentiles publish once the underlying record clears its data floor.
6-month trend
Analysis
Meaningful press and media coverage across the period. Limited public funding data for capital position assessment.
Signal flags
Dimension breakdown
Verified signal
Attention (reach, not merit)
DEPLOY Intelligence scores are computed from verified registry data: confirmed deployments, disclosed funding rounds, regulatory filings, active job listings, video viewership, and press coverage. Confidence ratings reflect data availability. Scores update nightly.
DEPLOY Indices — verified vs claimed
Last computed: Oct 2, 2026