Infinite Capital | Activity | F4

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F4/Infinite Capital/Activity

Infinite Capital Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Investment

Participated in Mach Industries $600M Series C continuation at a $3.7B valuation.

Machindustries

Machindustries Infinite Capital

infinite.xyzSEP 10, 2026

SEP 10, 2026

Milestone

Portfolio company Peak is expanding domestic sodium-ion storage with a planned 4 GWh factory and over $1.1B in announced customer deals.

Peak

Peak Infinite Capital

wsj.comAUG 7, 2026

AUG 7, 2026

Investment

Participated in Valar Atomics financing valuing the nuclear reactor startup at $6B.

Valar Atomics

Valar Atomics Infinite Capital

bloomberg.comAUG 3, 2026

AUG 3, 2026

Milestone

Portfolio company Vatn Systems launched SIGURD, an autonomous naval mine countermeasures system.

VATN Systems

VATN Systems Infinite Capital

interestingengineering.comJUL 14, 2026

JUL 14, 2026

Milestone

Portfolio company Valar Atomics reactor Ward 250 achieved zero-power criticality in Utah.

Valar Atomics

Valar Atomics Infinite Capital

bloomberg.comJUN 18, 2026

JUN 18, 2026

Investment

Led Mach Industries $300M Series C at a $1.8B valuation.

Machindustries

Machindustries Infinite Capital

finance.yahoo.comJUN 1, 2026

JUN 1, 2026

Milestone

Portfolio company Mach Industries expanded in-house propulsion capabilities via acquisition.

Machindustries

Machindustries Infinite Capital

wsj.comMAY 19, 2026

MAY 19, 2026

Investment

Participated in Valar Atomics financing valuing the company at $2B.

Valar Atomics

Valar Atomics Infinite Capital

bloomberg.comMAR 31, 2026

MAR 31, 2026

Milestone

Portfolio company Skyryse expanded SkyOS with emergency autoland for helicopters.

Skyryse

Skyryse Infinite Capital

skyryse.comMAR 5, 2026

MAR 5, 2026

Investment

Portfolio company Skyryse raised a $300M Series C to advance SkyOS deployment.

Skyryse

Skyryse Infinite Capital

techcrunch.comFEB 3, 2026

FEB 3, 2026

Investment

Portfolio company Mytra raised a round to scale standardized heavy material movement for industrial customers.

Mytra

Mytra Infinite Capital

archive.phJAN 15, 2026

JAN 15, 2026

Milestone

Portfolio company Radical AI signed an MoU with the US Department of Energy.

Radical AI

Radical AI Infinite Capital

radical-ai.comDEC 20, 2025

DEC 20, 2025

Milestone

Portfolio company Valar Atomics NOVA core achieved zero-power criticality in partnership with Los Alamos.

Valar Atomics

Valar Atomics Infinite Capital

valaratomics.comNOV 17, 2025

NOV 17, 2025

Investment

Portfolio company Valar Atomics raised $130M to advance its compact nuclear microreactor.

Valar Atomics

Valar Atomics Infinite Capital

cnbc.comNOV 10, 2025

NOV 10, 2025

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