Cambium Biomaterials, Inc.
Materials-layer supplier: AI-driven polymer/monomer discovery plus in-house composites and specialty-materials manufacturing · United States
Advanced-materials platform fusing AI molecular design with in-house composites manufacturing for defense, aerospace and space.
Cambium designs, qualifies and manufactures high-performance materials on one integrated platform: AI-driven molecular design of new monomers and polymers, formulation and process development, qualification on production equipment, and manufacturing on lines the company builds itself. Its commercial catalogue is SHD Composites (acquired Dec 2025): component and tooling prepregs, towpregs, adhesive and surface films across 50+ resin systems and 800+ product variations, from ~100 sq ft batches with 1-3 week lead times. Specialty lines include ApexShield phthalonitrile resins and coatings for hypersonic and re-entry thermal protection, ApexFrame high-temperature film adhesives, and the SentinelOps directed-energy/laser eye protection platform spanning eyewear, aircraft transparencies and optical sensors.
Research mapping
Physical AI / Materials & Critical Components (L3) / Materials-layer supplier: AI-driven polymer/monomer discovery plus in-house composites and specialty-materials manufacturing
Evidence boundary
Original analysis and independent corroboration remain under development. Commercial scale and durable technical advantage remain under review.
What makes it defensible
The binding constraint in advanced materials is qualification-to-production speed, not chemistry: Cambium qualifies materials on the same self-built equipment that manufactures them, compressing concept-to-qualified-part from quarters to weeks.
Position in the stack: Upstream materials formulator and manufacturer sitting between raw chemistry and prime/OEM integrators. It is hard to copy because it combines de-novo monomer/polymer design, government-funded high-temperature chemistry (phthalonitrile systems developed with NAWCWD), and owned qualified production capacity across the US, UK and EU - plus the customer qualification data that accumulates on those lines.
Who buys it
Named customers: Safran Group - EcoSuite next-gen aircraft seating programme (SHD supplying FR308 bio-based FST-compliant prepreg; consortium collaboration, not a disclosed direct purchase contract), US Naval Air Warfare Center Weapons Division (NAWCWD), China Lake - contracted development partner/customer for thermal protection systems, University of Southern California Rocket Propulsion Laboratory (USCRPL) - Daybreak rocket boattail
Founding team
Simon Waddington — Co-founder & Chief Executive Officer — Previously at biotech firm Evolva; career at the intersection of biotech, chemistry and materials science
Stephan Herrera — Co-founder, Chief Marketing Officer & Head of Government Affairs — Previously at biotech firm Evolva; co-founded Cambium with Waddington
Andrew (Andy) Guenthner — Founding-era Chief Technology Officer — Chemist with ~20 years at the Air Force Research Laboratory and the US Navy; brought computational chemistry to the bench and identified the phthalonitrile resin family. Current CTO is James Griffin, so Guenthner's present role is unconfirmed
SourceFinancing detail
- Last round
- $100M Series B (Jan 2026)
Investors: 8VC (lead, Series A and Series B), Lockheed Martin Ventures, MVP Ventures, Veteran Ventures Capital, GSBackers, J17 Ventures, Vanderbilt University, Alumni Ventures, Gaingels, Inevitable Ventures, JACS Capital, Jackson Moses (Silent Ventures), Kern Venture Fund, Marlinspike, Vertical Capital
Mapped funds and investors
Direct relationships supported by published evidence.
Reported holdings as-of
No sourced relationships mapped yet.
Disclosed investment history
No sourced relationships mapped yet.
Showing up to four relationships in each group. ETF weights describe the fund’s portfolio, not ownership of this company. Private investment history does not establish current ownership.
Evidence & media
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Cambium, SHD Composites Reimagining a New Future for Composites
What this source supports: Third-party trade-press account of the Cambium platform, the SHD acquisition, ApexShield/ApexFrame chemistry and 250 employees.
What it does not establish: No revenue, valuation, margin or customer-concentration data; no independent verification of lead-time claims.
Source -
Cambium Secures $100 Million Series B to Accelerate the Discovery and Scaling of Advanced Materials
What this source supports: Company-announced $100M Series B led by 8VC with Lockheed Martin Ventures participating.
What it does not establish: No post-money valuation, revenue, burn or cap-table terms.
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U.S. Navy contract to advance Cambium C/C composites for hypersonics
What this source supports: Independent confirmation of the US Navy contract to optimize phthalonitrile systems for hypersonic carbon/carbon parts.
What it does not establish: Contract value, duration and whether it has transitioned into a production program are not disclosed.
Source
Timeline
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Media
CompositesWorld feature profiles the combined Cambium/SHD model, the ApexShield resin line and 250-person headcount.
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Governance
Appointed Rick Dunn (ex-Satellogic CFO, >$1.7B raised career-wide) as Chief Financial Officer to build capital strategy and controls for global manufacturing scale-up.
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Financing
$100M Series B led by 8VC with MVP Ventures, Lockheed Martin Ventures, GSBackers, Veteran Ventures Capital, J17 Ventures, Vanderbilt University, Alumni Ventures, Gaingels, Inevitable Ventures, JACS Capital and Jackson Moses; earmarked for product pipeline and US/European manufacturing scale-up.
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Facility
Acquired Sleaford, UK-based SHD Group, adding four composites plants (UK, North Carolina, Oklahoma, Slovenia) and an established aerospace/motorsport/marine customer base; SHD operates as 'SHD, a Cambium company'. Terms not disclosed.
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Product
US Navy contract to optimize processing and production of phthalonitrile material systems for hypersonics; resin system later reported to cut C/C parts fabrication time by 70-80%.
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Financing
$19M Series A led by 8VC with Veteran Ventures, GSBackers, Marlinspike, MVP Ventures, Gaingels, Kern Venture Fund, Jackson Moses, Vertical Capital and angels; funds for R&D, staffing and pilot-scale manufacturing.
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partnership
Completed a contract with NAWCWD (China Lake) to advance and field-test a bio-based thermal protection system on a medium-sized drone, including a fire-in-flight demonstration.
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Financing
Cambium raised an $8M seed round in 2021 (month not disclosed in the source); TechCrunch reports total raised of over $27M at the Dec 2023 Series A, including that seed.
Source