HAX | Activity

Milestone

SOSV portfolio company Princeton Critical Minerals raised $16M ($11M Series A led by SOSV plus NSF, ARPA-E, NJEDA grants) to scale lithium production from brine using evaporation enhancement, AI-enabled pond monitoring, and selective crystallization.

Princeton Critical Minerals

Princeton Critical Minerals HAX

hax.coAUG 18, 2026

AUG 18, 2026

Investment

HAX lists Cortisys as a pre-seed healthcare startup building automated multi-locus TMS neuromodulation for mental healthcare.

Cortisys

Cortisys HAX

hax.co

Added recently

Investment

HAX lists Halltech B.V. as a HAX 2026 startup building thin-film deposition technology for next-generation semiconductors.

Halltech B.V.

Halltech B.V.HAX

hax.co

Added recently

Investment

HAX lists Robotic Actuators Company as a HAX 2026 pre-seed hard-tech startup building digital hydraulic actuation for scalable mobile robots.

Robotic Actuators Company

Robotic Actuators Company HAX

hax.co hax.co

Added recently

Essay

HAX essay exploring how plasma technology is critical for next-gen semiconductor manufacturing and materials, featuring SOSV Deep Tech Live panel with world leaders in plasma. Discusses HAX Plasma Forge's mission to bridge the valley of death for plasma startups.

HAX

HAXHAX

hax.coMAY 1, 2026

MAY 1, 2026

Essay

Published a HAX Plasma Forge thesis on plasma applications in semiconductor manufacturing and advanced materials.

Plasma Beyond Fusion: Powering Next Gen Semiconductor Manufacturing & Materials

HAX

hax.coMAY 1, 2026

MAY 1, 2026

Investment

Still Bright raised $18.5M seed round for copper purification via electrochemistry, replacing smelting process.

Still Bright

Still Bright HAX

sosv.com

Added recently

Milestone

SOSV portfolio company NOC Energy raised $2.7M Seed led by 360 Capital with SOSV participating, for induction-based high-temp electric hot gas generator replacing fossil fuel combustion in cement and glass production.

NOC Energy

NOC Energy HAX

hax.coAPR 16, 2026

APR 16, 2026

Milestone

SOSV portfolio company unspun planning $40M project-level financing to build 10 US factories with AI-enabled 3D weaving machines; Walmart and REI signed letters of support.

unspun

unspun HAX

hax.coAPR 9, 2026

APR 9, 2026

Investment

SOSV invested $500K pre-seed in Aspect Aerospace, a company developing Single-Board Satellites for space-based environmental monitoring. Also received $1.9M SBIR award from US Space Force.

Aspect Aerospace

Aspect Aerospace HAX

hax.coAPR 1, 2026

APR 1, 2026

Milestone

SOSV portfolio company Cocoon raised $15M Series A led by 2150 and Brick & Mortar Ventures with SOSV participating, to scale its cement substitute (supplementary cementitious materials) technology.

Cocoon

Cocoon HAX

hax.coMAR 18, 2026

MAR 18, 2026

Investment

Cocoon raised $15M Series A for critical cement substitute.

Cocoon

Cocoon HAX

hax.coMAR 18, 2026

MAR 18, 2026

Team Change

Avra van der Zee joins SOSV as a new General Partner for HAX from Elemental Impact (COO). She will work alongside Duncan Turner to support HAX companies and the new HAX Plasma Forge facility in Princeton.

SOSV

SOSVHAX

hax.coMAR 2, 2026

MAR 2, 2026

HAX Activity

SOSV portfolio company Princeton Critical Minerals raised $16M ($11M Series A led by SOSV plus NSF, ARPA-E, NJEDA grants) to scale lithium production from brine using evaporation enhancement, AI-enabled pond monitoring, and selective crystallization.

HAX Plasma Forge will be headquartered at Princeton's SRI, a 10,000 sq ft lab and co-working space with $51M dedicated funding ($24.5M from SOSV, $24.5M from NJEDA) and collaboration with PPPL, focused on plasma-enabled startups in advanced computing, energy, and manufacturing.

HAX lists Cortisys as a pre-seed healthcare startup building automated multi-locus TMS neuromodulation for mental healthcare.

HAX lists Halltech B.V. as a HAX 2026 startup building thin-film deposition technology for next-generation semiconductors.

HAX lists Robotic Actuators Company as a HAX 2026 pre-seed hard-tech startup building digital hydraulic actuation for scalable mobile robots.

HAX essay exploring how plasma technology is critical for next-gen semiconductor manufacturing and materials, featuring SOSV Deep Tech Live panel with world leaders in plasma. Discusses HAX Plasma Forge's mission to bridge the valley of death for plasma startups.

Published a HAX Plasma Forge thesis on plasma applications in semiconductor manufacturing and advanced materials.

Still Bright raised $18.5M seed round for copper purification via electrochemistry, replacing smelting process.

SOSV portfolio company NOC Energy raised $2.7M Seed led by 360 Capital with SOSV participating, for induction-based high-temp electric hot gas generator replacing fossil fuel combustion in cement and glass production.

SOSV portfolio company unspun planning $40M project-level financing to build 10 US factories with AI-enabled 3D weaving machines; Walmart and REI signed letters of support.

SOSV invested $500K pre-seed in Aspect Aerospace, a company developing Single-Board Satellites for space-based environmental monitoring. Also received $1.9M SBIR award from US Space Force.

SOSV portfolio company Cocoon raised $15M Series A led by 2150 and Brick & Mortar Ventures with SOSV participating, to scale its cement substitute (supplementary cementitious materials) technology.

Cocoon raised $15M Series A for critical cement substitute.

Avra van der Zee joins SOSV as a new General Partner for HAX from Elemental Impact (COO). She will work alongside Duncan Turner to support HAX companies and the new HAX Plasma Forge facility in Princeton.