UnannouncedVCRaise

AnnouncedFiled 28 August 2026

Castelion Corp raised $647M

Castelion Corp, a technology company based in Torrance, CA, raised $647M in a new equity round, according to a filing dated 28 August 2026.

Announced on 20 August 2026, 8 days before the filing. castelion.com ↗

Filed
28 August 2026
Round
Equity round
Amount sold
$647M
Offering size
$800M
Investors so far
17
Based in
Torrance, CA
Website
castelion.com

Investors on the board

Firms come from the venture funds whose filings name a director of this company.

Who is on the board

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How it compares

Larger than 99% of the 854 tracked raises with an amount filed in 2026, and than 99% of the 471 in technology.

Castelion Corp in public filings

FiledFilingSoldRaise
28 Aug 2026New filing$647MThis raise
20 Nov 2025New filing$360MAnother raise
20 Nov 2025New filing$60MAnother raise
6 Oct 2023New filing$8.59MAnother raise
21 Apr 2023New filing$5.41MAnother raise

Everything on Castelion Corp

More with Lavrock-Castelion-P on the board

  1. Fabri Inc.$5.2MFiled before 20255 Dec 2024 · Boston, MA

All 6 raises

Other unannounced rounds

  1. Thoughtform, Inc.$6.6MUnannounced · 1 day17 Sep 2026 · Palo Alto, CA
  2. ProvenAir Technologies, Inc.$488KUnannounced · 1 day17 Sep 2026 · Chicago, IL
  3. Gravitics, Inc.$17MUnannounced · 1 day17 Sep 2026 · Marysville, WA
  4. SurgiBox Inc.$486KUnannounced · 1 day17 Sep 2026 · Cambridge, MA
  5. Voxel Labs Inc.$10MUnannounced · 1 day17 Sep 2026 · San Francisco, CA
  6. DVx Atomic Co.$18.5MUnannounced · 2 days16 Sep 2026 · Boston, MA

All unannounced rounds

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