Fundraising Fox
IceNine
Venture capitalPre-Seed–Seed · 8 people tracked
Not to be confused with IceNine (Venture capital · San Diego, US)
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Investment thesis
IceNine invests in early-stage founders driving technological innovation in critical industries including advanced manufacturing, space technology, and deep tech. The firm leverages operational expertise from hands-on experience scaling hardware companies, industrial R&D leadership, and government program execution to accelerate founders' technical, operational, and commercial progress. The investment thesis emphasizes that artificial intelligence is compressing development timelines and accelerating industrial technology advancement, making technological sovereignty and innovation in critical sectors increasingly important.
Source: firm website, verified Aug 6, 2026.
Team · 8 people
from the firm's website & public directories
What they invest in
from 13 of 15 portfolio companiesHardware ×8Deep Tech ×7Defense Tech ×6Advanced Manufacturing ×4Space Tech ×4AI & Machine Learning ×2Semiconductors ×2Construction Tech ×1
HQs:United States×11United Kingdom×1Italy×1
Who they back
founder profiles across 10 portfolio companiesFounding team size:solo founder×42 founders×33 founders×14+ founders×2
Where their founders studiedfrom 14 founders with education data
Stanford University ×3Arizona State University ×2Santa Clara University Leavey School of Business ×2The Johns Hopkins University ×2
What their founders studiedfrom 15 founders with field-of-study data
Engineering ×9Business & Management ×3Computer Science ×3Physics ×2Politics & Policy ×2
Where their founders worked beforefrom 15 founders with career history
SpaceX ×5Google ×2NASA Ames Research Center ×2United States Air Force ×2
Investments · 15 tracked
founders shown can be your intro pathBy year:2026 · 32025 · 32022 · 17 dated
Cyber Fund III portfolio company that completed an initial public offering.
Herndon, US
Christopher Bradley DeMay(Executive Officer)Jaye Alison Alfers(Executive Officer)Simon Mark Davidson(Director)John Sheldon Serafini(Executive Officer, Director)inArthur Lewis Money(Director)David Farnsworth(Director)
PartnerJeff Crusey· solo GP
Co-investorsAlumni VenturesCenter15 CapitalGula Tech AdventuresHemisphere Ventures LLCManhattan Venture PartnersNew North Ventures+16 more
Castelion designs and manufactures low-cost, mass-producible hypersonic strike weapons and defensive systems for U.S. national security and defense customers such as the U.S.
Advanced ManufacturingDefense TechHardwareTorrance, US
Bryon Hargis(Founder)inSean Pitt(Founder)inAndrew Kreitz(Founder)inCharles Bryon Hargis(Executive Officer, Director, Promoter)
BoardAlex Poulin(Director)in
PartnerJeff Crusey· solo GP
Co-investors7percent VenturesAndreessen HorowitzAngel Collective Opportunity FundAvenir Growth CapitalBlueYard CapitalCantos Ventures+14 more
D-Orbit provides space logistics infrastructure and transportation services including satellite launch deployment, on-orbit servicing, refueling, and end-of-mission disposal using its proprietary ION Satellite Carrier orbital transfer vehicle.
Deep TechLogistics & Supply ChainSpace TechItaly, IT
Luca Rossettini(Founder)inRenato Panesi(Founder)inGiuseppe Tussiwand(Founder)Luca Rossettini Renato Panesi(Founder)Thomas Panozzo(Founder)
PartnerJeff Crusey· solo GP
Co-investorsAstor PerkinsBanca Investis — Family OfficeCDP Venture CapitalElysia CapitalIn-Q-TelIndaco Venture Partners+12 more
Epsilon3 provides a software platform for creating, reviewing, and executing operational procedures, serving teams that need to develop and iterate processes at scale.
Advanced ManufacturingEnterprise SoftwareSaaSLos Angeles, US
Laura Crabtree(Founder)inMax Mednik(Founder)inAaron Sullivan(Executive Officer)in
PartnerJeff Crusey· solo GP
Co-investorsBroom VenturesBVVCKohala VenturesLux CapitalMaC Venture CapitalPioneer+6 more
Monumental Labs develops an AI-powered robotic fabrication platform for automating stone carving and sculpture production, serving architects and builders.
Advanced ManufacturingAI & Machine LearningConstruction TechHardwareNew York City, US
Micah Springut(Founder)inSebastian Marino(CTO)in
PartnerJeff Crusey· solo GP
Co-investorsSeven Seven SixMythos Ventures Management, LlcPath VenturesShadow VenturesHummingbird VenturesKhosla Ventures+2 more
Mulberry Industries manufactures advanced permanent magnets using proprietary materials science and an onshored supply chain for customers in aerospace, defense, energy, and automotive sectors.
Advanced ManufacturingDefense TechEnergyHardwareNew Materials
PartnerJeff Crusey· solo GP
Co-investorsLMNT Ventures
OpenLight Photonics develops photonic integrated circuits and systems for data center, telecommunications, and sensing applications.
Deep TechHardwareSemiconductorsGoleta, US
Gregory Fish(Director)Alexander Fang(Executive Officer, Director)Adam Carter(Chief Executive Officer)inJames Dixon(Chief Financial Officer)inVolkan Kaman(Vice President, Operations)inJohn Parker(Senior Director, Engineering)in
PartnerJeff Crusey· solo GP
Co-investorsCatapult VenturesMatter Venture PartnersSnatched VenturesBosch Ventures
Per Aspera is a media platform covering America's technological, industrial, and cultural infrastructure across defense, space, energy, computing, and manufacturing sectors.
Deep TechDefense TechMedia & Entertainment
PartnerJeff Crusey· solo GP
Portal Space Systems develops advanced spacecraft, including its flagship Supernova vehicle, designed for high delta-v maneuverability and multi-orbit operations in cislunar space.
Deep TechHardwareSpace TechWashington, US
Jeffery Thornburg(Executive Officer, Director, Promoter)Ian Vorbach(Founder)inPrashaanth Ravindran(Founder)inJeff Thornburg(Founder)
BoardRayfe Gaspar-Asaoka(Director)in
PartnerJeff Crusey· solo GP
Co-investorsAlleyCorpBooz Allen VenturesFUSEGeodesic CapitalTFX CapitalTrajectory Ventures+6 more
SeaSats develops autonomous maritime vessels ("Lightfish" and "Quickfish") for ocean surveillance, intelligence gathering, and domain awareness.
Defense TechIoTRoboticsSan Diego, US
Mike Flanigan(Founder & CEO)in
PartnerJeff Crusey· solo GP
Co-investorsDns CapitalHemisphere Ventures LLCKonvoy VenturesMonozukuri VenturesRed Beard VenturesShield Capital+4 more
Tiberius develops defense weapon systems and munitions that improve through operational feedback and AI-driven analysis of live field data.
AI & Machine LearningDeep TechDefense TechLondon, GB
Andy Baynes(Founder)
PartnerJeff Crusey· solo GP
Co-investorsBeaten Zone Venture PartnersMoonshots CapitalPrevail Venture CapitalStage 1 Ventures
True Anomaly designs and builds hardware and software systems for space security and defense.
Defense TechHardwareSpace TechCentennial, US
Even Rogers(Founder)inKyle Zakrzewski(Founder)inThomas Nichols(Founder)Daniel Brunski(Founder)inTom Nichols(Founder)
BoardJesse Michaels(Director)
PartnerJeff Crusey· solo GP
Co-investors645 VenturesAccelACME CapitalBlack FlagChampion Hill VenturesCortado Ventures+17 more
Develops optical interconnect technology using light-based communication for computing systems.
Deep TechHardwareSemiconductors
PartnerJeff Crusey· solo GP
Co-investorsUnpopular VenturesVibe CapitalSam AltmanY Combinator
Xona Space Systems operates Pulsar, a positioning, navigation, and timing (PNT) service delivered from a constellation of small satellites in Low Earth Orbit that broadcasts a new signal to augment or replace GPS.
Deep TechHardwareSpace TechBurlingame, US
Brian Manning(Founder)inTyler Reid(Founder)inAdrien Perkins(Director)Paul Tarantino(Founder)
BoardSky Dayton(Director)inLewis Jones(Director)in
PartnerJeff Crusey· solo GP
Co-investorsAloniqArmada Investment AGBeyond Earth VenturesCapital InnovatorsCraft VenturesCross Culture Ventures+17 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
OpenLight
Exits · 1
1 IPOsHawkEye 360NYSE: HAWK
Portfolio news
latest coverage across their companies
Castelion · techcrunch.com · Aug 20, 2026
Seasats · finsmes.com · Feb 17, 2026
Xona Space Systems · finance.yahoo.com · Jul 17, 2025
Volantis · finsmes.com · Jun 13, 2025
True Anomaly · finance.yahoo.com · Apr 30, 2025
Frequently asked questions
- How many investments has IceNine made?
- IceNine has 15 tracked investments, 1 of which have exited, including 6 dated in the last 24 months.
- What stage does IceNine invest at?
- IceNine invests at the Pre-Seed, Seed stages.
- What sectors does IceNine focus on?
- IceNine focuses on Advanced Manufacturing, Deep Tech, Defense Tech, Hardware, Space Tech.
- Does IceNine lead rounds?
- Yes, IceNine leads investment rounds.
- Who does IceNine co-invest with?
- IceNine most often shares deals with SpaceVC, Champion Hill Ventures, MaC Venture Capital, among 108 tracked co-investors.
Media · Podcasts & interviews
featuring the teamEP 91 — IceNine's Jeff Crusey on Why SaaS Playbooks Derail Hard Tech Companies
RADICL · Jeff Crusey
Images
Co-investors · 6
Shield Capital is an early-stage venture capital firm backing companies developing technologies in artificial intelligence, autonomy, cybersecurity, and space, focused on the intersection of commercial technology and national security.
Eclipse is a venture firm that backs entrepreneurs building companies in the physical and essential economy — industries tied to resilience, competitiveness, and security.
Far Out Ventures (FOVC) is an early-stage venture firm that leads or co-leads first institutional rounds and provides hands-on support to founders building vertical enterprise software, AI, and fintech companies.
Konvoy is a thesis-driven investment firm focused on interactive entertainment, deep tech, and critical industries.
Afore Capital is a $500M pre-seed venture fund that invests in pre-traction, early-stage companies, leveraging product and investment expertise to support founders from day zero.
Embedded Ventures is a venture capital firm investing in early-stage deep-tech, space, and defense startups, including companies with applications serving the Department of Defense.
Firms observed investing alongside IceNine, from public investor directories. Shared companies are the overlap with IceNine's recorded portfolio.
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