Other Energy company with a recent SEC Form D offering.
Other Energy company headquartered in SAN FRANCISCO, CALIFORNIA. Filed SEC Form D on 20260806 for a $310.5M Regulation D offering.
Energy📍 SAN FRANCISCO, CALIFORNIA
Current Valuation
Private
PRIVATE
IPO Outlookprivate
Is Mariana Minerals going public?
No. Mariana Minerals is private and has not filed to go public. There is no S-1 on file.
What is Mariana Minerals' valuation in 2026?
No confirmed valuation is on record for Mariana Minerals. The roster shows funding and investors where they are public; it does not estimate a mark.
Has Mariana Minerals filed an S-1?
No public S-1 is on file for Mariana Minerals.
How much has Mariana Minerals raised?
Mariana Minerals has raised $310.5M in total, most recently a Form D filing of $310.5M in 20260806.
Is Mariana Minerals publicly traded — can you buy Mariana Minerals stock?
No. Mariana Minerals is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Mariana Minerals on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Company Profile
HQ
SAN FRANCISCO, CALIFORNIA
Total Raised
$310.5M
Growth
Filed SEC Form D on 20260806 for $310.5M Regulation D offering
Last Round
Form D filing — $310.5M (20260806)
IPO Status
private
Fundraising Status
Form D filing · $310.5M
privateTotal raised $310.5M
Latest Funding Round
Round
Amount
Date
Lead Investor
Post-Money
Form D filing
$310.5M
20260806
—
—
Talent Signal
Hiring trend
▲ Hiring uptrend
+16% vs 2026-08
Open roles
72
via ashby
Product-build share
49%
engineering, research, product, design
Trajectory
expanding
product-led hiring — 49% of open roles build product; the rest are go-to-market and G&A.
No tracked executive churn; open roles trending up.
Open roles by month
Open roles by function
■ product-building ■ go-to-market / G&A
Full Stack Software EngineerPiping Design Engineer Senior Process Controls EngineerSenior Full Stack Software EngineerStaff Process Modeling EngineerEngineering Technician-Recycle
Counted from Mariana Minerals's live job board as of 2026-09-14; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
EnergyForm DRecently Funded
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of recent date. Refreshed quarterly.