Key facts
- Hiddenweights’s last known valuation is $51.0M (Jan 2025).
- It has raised $4.0M; the latest was Seed Round ($4.0M) in Jan 2025.
- Notable investors include Amazon.com, Page One Ventures, Osage University Partners.
- Status: Privately Held (backing).
- ·The complete investor list — 3 names
- ·Watchlist + deal alerts for Hiddenweights
- ·The full record, as it builds
Funding rounds
No funding rounds for Hiddenweights are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Hiddenweights
Developer of an artificial intelligence data curation system designed to optimize machine learning model performance for software engineering teams. The company's actionable observability platform attributes model outputs back to specific training data, synthesizes high-quality datasets to fill identified gaps, and automates the selection of influential in-context data for retrieval-augmented generation pipelines, enabling artificial intelligence development organizations to eliminate trial and error while achieving high accuracy and provenance in complex model deployments.
- Sector
- Information Technology
- HQ
- Seattle, WA, United States
- Founded
- 2024
- Employees
- 7
- Website
- hiddenweights.com/
- Ownership
- Privately Held (backing)
Hiddenweights doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Hiddenweights shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Hiddenweights in its N-PORT filings yet. We sweep new filings monthly.