Onebrief
ON
Onebrief builds software used by military staffs to plan and synchronize operations. The platform supports the military decision-making process, including drafting orders, briefings, timelines, and task trackers. Teams use it to share updates and keep plans aligned across units.
Founded by Grant Demaree (CEO), Rafa Pereira (Co-founder)
Blended valuation$1.7B$1B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$3.3B
blended valuationfunding round
Jan 19, 2026$907MOct 5, 2026
All rounds
7 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series E | Jul 31, 2026 | $250M | $3.1B |
| Series D | Jan 13, 2026 | $200M | $2.2B |
| Series C | Jun 16, 2025 | $20M | $1.1B |
| Series C | Jan 28, 2025 | $60.4M | $631.9M |
| Series B | Aug 21, 2024 | $24.5M | $335.2M |
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Investors
8 investors across all rounds.
- GCGeneral Catalyst
- HCHuman Capital
- BVBattery Ventures
- 9C9Yards Capital
- CCCaffeinated Capital
- IPInsight Partners
- SVSalesforce Ventures
- SVSapphire Ventures
Secondary market activity
Recent buy and sell interest for Onebrief shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $851.6M | $30.00 | Sep 23, 2026 | |
| $1.1B | $40.00 | Sep 22, 2026 | |
| $1.1B | $40.00 | Sep 14, 2026 |
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Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.