Fluxnium

QuietClimate · Clean power

Develops domestic uranium supply adsorbed from seawater using proprietary fiber technology.

fluxnium.com · Los Angeles, CA

Source PR Newswireas of 2026-10-03

Funding event

The round itself, as filed
Stage · pressSeed
Amount sold$7.0M
Filed2026-09-21
Days since filing12
Investors · press-matched
Congruent VenturesConstellation Technology VenturesActive Impact InvestmentsPress release

Form D does not name investors; these come from the matched release, as a fact with a link.

Officers on the filing

Names and roles as filed; addresses are never stored

No officers named on this filing.

Form D item 3. Related-person addresses stay in the raw filing and appear in no export, API or alert.

Health flags

Three flags, each with the raw inputs behind it

Not computed yet for this company.

Open roles

On the employer's own careers page · checked 2026-09-21
0

Pre-posting windowNot enough dataShown once this sector and stage have 20 observed lags from filing to first posting.

No open roles foundWe read careers pages daily.

Roles link to the employer's own page; Noctura shows titles only.

Looking for a role? Role discovery opens when there are enough postings to be honest about it.

Also raised in Climate

Same sector, 28 days to 2026-10-04
Petro Fluid Dynamics LLCSeed · $4.4M · Rapid City, SDQuietNRGx, LLCPre-seed · $1.2M of $3.0M · Broken Arrow, OKQuiet

15 rounds in Climate in the 28 days to 2026-10-02, against 15 in the 28 days before.

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