RadixArk Secures $100 Million Seed Round At $400 Million Valuation Led By Accel And Spark Capital
Building Size
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Asset Type
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Closing
May 6, 2026
AI
RadixArk launched with a $100 million seed round at a $400 million valuation, led by Accel and co-led by Spark Capital. The deal included participation from various investors such as NVentures, AMD, and MediaTek.
Summary of transaction details:
- Deal Type: Seed
- Transaction Amount: $100,000,000
- Company Name: RadixArk
- Valuation: $400,000,000
- Headquarters: San Francisco, California
- Founders: Ying Sheng & Banghua Zhu
- Notable Investors: Spark Capital, NVentures, AMD, and MediaTek among others
RadixArk is developing an AI infrastructure platform aimed at enhancing the accessibility of frontier model training and inference. The company originated from the open-source ecosystem associated with projects like SGLang and Miles and plans to continue these contributions as it expands its platform.
Market CRE Market Snapshot
Boundary boundary · CRE · Sale transactions
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Purchase Price
Annual NOI
Loan Amount
Interest Rate (%)
Loan Term (yrs)
Down Payment (%)
Cap Rate
5.80%
Cash-on-Cash
-1.66%
Monthly Payment
$14,164
Annual Debt Svc
$169,964
Annual Cash Flow
$-11,334
DSCR
0.93