Snapshot 2025-09-30Published 2025-10-15Lag 15dSource Secondary SourceVerified 2026-08-03

USDC Reserve Attestation

Circle Internet Group, Inc. — 2025-09-30

Engagement Details

Period Type: Monthly
Engagement Type: Examination
Standard: AT-C 205
Opinion: Unmodified
Practitioner: Deloitte & Touche LLP
Assertion Party: Management of Circle Internet Group, Inc.

Reserve Summary

Total Reserves: $75,800,000,000
Circulating Supply: $75,642,000,000
Coverage Ratio: 100.21%

Composition

Category	Amount (USD)	%
Government Money Market Funds	$63,700,000,000	84.00%
Cash at Insured Depository	$12,100,000,000	16.00%

Custodians

BNY Mellon
BlackRock

Scope Notes

September 2025 monthly examination report.

GENIUS Act Disclosure Checklist

Factual observations only. See methodology.

✓Monthly disclosure published
✓Examination-level engagement
✓Practitioner PCAOB-registered
✓Executive certification present
✓Composition by category disclosed

Source

Primary source PDF ↗

Source quality: Secondary Source

How to Cite

Reserve Attestation Registry. "USDC Reserve Attestation — 2025-09-30." https://grantstell.com/attestations/circle-usdc-2025-09 (retrieved 2026-08-03).