Monitor future filings for any disclosure of the amount of SUI moved to Anchorage Digital, which would signal the scale of custody diversification. The temporary fee rebate is a minor operational detail with no material impact on the Trust's expense ratio.
Price Chart
Executive Summary
Grayscale Sui Staking ETF (GSUI) entered into a custody agreement with Anchorage Digital Bank N.A. as an additional custodian for a portion of its SUI holdings, alongside existing primary custodian Coinbase. The move is described as part of the Sponsor's ongoing risk management approach as the Trust grows, but no specific amount of SUI to be moved has been determined. This is a routine operational diversification filing with no financial terms disclosed.
Key Facts
- Grayscale Sui Staking ETF added Anchorage Digital Bank N.A. as an additional custodian via a Sixth Amendment to the existing Master Custody Service Agreement.
- Coinbase Custody Trust Company, LLC remains the Trust's primary custodian; the existing arrangement is unaffected.
- The Sponsor has not yet determined the total amount of SUI to be moved to Anchorage Digital.
- Anchorage Digital is required to maintain commercial crime insurance or a fidelity bond with limits of not less than $100 million in the aggregate.
- The amendment also provides for a temporary rebate of a portion of custody fees (specific terms redacted).
Financial Impact
No financial impact disclosed; custody fees are Sponsor-paid expenses and the amount of SUI to be custodied by Anchorage Digital is undetermined.
Risk Factors
- Custody concentration risk is slightly reduced by adding a second custodian, but Coinbase remains primary and allocation is undetermined.
- Shareholders cannot be assured that Anchorage Digital's insurance will cover losses with respect to the Trust's SUI.
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (Primary) | 0001193125-26-414297 |
| Document: gsui-20260929.htm | 0001193125-26-414297 |
| Document: gsui-ex10_2.htm | 0001193125-26-414297 |
| Document: 0001193125-26-414297-index-headers.html | 0001193125-26-414297 |
| Document: 0001193125-26-414297-index.html | 0001193125-26-414297 |
| Document: 0001193125-26-414297.txt | 0001193125-26-414297 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 5, 2026 22d ago | 8-K | $17.21 | awaiting T+20 | — | $13.44 (−21.91%) |
Aug 7, 2026 11w ago | 8-K | $9.77 $11.00 | ▲ +12.59% | ▲ +12.99% | $13.44 (+37.56%) |
Aug 6, 2026 11w ago | 144 | $9.77 $11.00 | ▲ +12.59% | ▲ +12.99% | $13.44 (+37.56%) |
Jul 30, 2026 12w ago | 144 | $9.82 $10.69 | ▼ −8.81% | ▼ −5.82% | $13.44 (−36.86%) |
May 4, 2026 25w ago | 144 | $13.91 $11.91 | ▼ −14.38% | ▼ −19.33% | $13.44 (−3.38%) |
May 4, 2026 25w ago | 144 | $13.91 $11.91 | ▼ −14.38% | ▼ −19.33% | $13.44 (−3.38%) |
May 1, 2026 25w ago | 144 | $13.51 $12.72 | ▼ −5.85% | ▼ −11.49% | $13.44 (−0.52%) |
Apr 27, 2026 26w ago | 144 | $13.42 $14.57 | ▲ +8.57% | ▲ +3.10% | $13.44 (+0.15%) |
Apr 17, 2026 27w ago | EFFECT | $14.69 $17.50 | ▲ +19.13% | ▲ +13.76% | $13.44 (−8.51%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers