Invesco Short Duration US Government Securities Fund
Tokenized private fund (formerly the Superstate Short Duration US Government Securities Fund) that holds short-term US Treasury bills. Interest accrues into a rising NAV per share, which started at $10.
U.S. TreasuriesQualified purchasers onlyTransfer-restrictedOnchain dataIssued by Invesco Advisers, Inc. · Platform Superstate
Value
$472.0M
Stage
Stage 0
DisclosedSingle-key powers
11
Single key holds critical powerOracle age
19h 22m
On scheduleUsed as DeFi collateral
$5.9M· 1 markets
43 sources cited on this page. Every public curated value must have one; schema validation fails the build otherwise.
Overview
| Field | Source | Note | Checked |
|---|---|---|---|
| access › investor type | superstate.com/assets/ustb | Accredited Investors and Qualified Purchasers; US persons are eligible | 13 Oct 2026 |
| access › minimum investment | docs.superstate.com/investors/tokenized-funds/available-funds/invesco-ustb | $100,000 initial, unless Superstate waives it | 13 Oct 2026 |
| access › transfer restricted | docs.superstate.com/investors/tokenized-funds/available-funds/invesco-ustb | Every transfer, mint, subscribe, bridge and redeem checks the allowlist. The token reads AllowlistV4 0xBcBC2b4F…8D1f (allowlist() at block 26,183,016). | 13 Oct 2026 |
| value (AUM) | defillama.com | Onchain supply × price (tracked chains only) | 29 Oct 2026 |
Underlying Asset
| Field | Source | Note | Checked |
|---|---|---|---|
| underlying › holdings | superstate.com/assets/ustb | Holdings table 'As of 09/21/2026': 35 U.S. Treasury Bills summing to 99.59% of the fund; the rest is cash. | 25 Oct 2026 |
| underlying › wam days | superstate.com/assets/ustb | Computed by RWAbeat from the 35 positions' maturities and weights on 2026-09-21 (86.6 days). | 25 Oct 2026 |
| underlying › track record | www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002004367 | First Form D 2024-01-02. No loss or NAV drop found. | 25 Oct 2026 |
Legal Claim
| Field | Source | Note | Checked |
|---|---|---|---|
| legal › vehicle type | superstate.com/assets/ustb | — | 13 Oct 2026 |
| legal › jurisdiction | www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002004367 | — | 13 Oct 2026 |
| legal › sec filings | www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0002004367 | Form D 2024-01-02; D/A through 2026-07-14 | 13 Oct 2026 |
Counterparties
| Field | Source | Note | Checked |
|---|---|---|---|
| counterparties › custodian | superstate.com/assets/ustb | Custodian: The Bank of New York Mellon (replaced UMB Bank in March 2026; rwa.xyz still shows UMB). | 25 Oct 2026 |
| counterparties › fund administrator | superstate.com/assets/ustb | NAV calculation agent: NAV Fund Services | 25 Oct 2026 |
| counterparties › auditor | superstate.com/assets/ustb | Auditor: PricewaterhouseCoopers LLP (replaced Ernst & Young). | 25 Oct 2026 |
| counterparties › transfer agent | superstate.com/assets/ustb | Superstate Services LLC | 13 Oct 2026 |
| counterparties › affiliated | superstate.com/assets/ustb | Transfer agent is Superstate Services LLC, the sponsor's own SEC-registered transfer agent. | 25 Oct 2026 |
| counterparties › settlement rails | superstate.com/assets/ustb | Redemption timing: Same-day. Immediate for USDC; 1pm ET cutoff for USD. | 25 Oct 2026 |
| counterparties › operators | superstate.com/assets/ustb | — | 25 Oct 2026 |
| counterparties › operators | superstate.com/assets/ustb | — | 25 Oct 2026 |
Control
| Field | Source | Note | Checked |
|---|---|---|---|
| control › audits | 0xmacro.com/library/audits/superstate-9 | Most recent of the 0xMacro reports that covers the USTB stack; reports 10 and 11 cover equity tokens. | 25 Oct 2026 |
| control › powers documented | docs.superstate.com/investors/smart-contracts | Docs cover minting, allowlist changes and forced burns by the 'Superstate Admin Address', but not upgrades, pausing or the oracle. | 25 Oct 2026 |
| control › chains | docs.superstate.com/investors/smart-contracts | Issued by Superstate on each chain; crosschain moves are an issuer burn and mint, not a third-party bridge. | 25 Oct 2026 |
| control › chains | docs.superstate.com/investors/smart-contracts | — | 25 Oct 2026 |
| FundToken contract | etherscan.io/address/0x43415eB6ff9DB7E26A15b704e7A3eDCe97d31C4e | Read at block 26183258 | 13 Oct 2026 |
| AllowlistV4_2 contract | etherscan.io/address/0xBcBC2b4FB2AbE1C598C9ea91E0b03338e4728D1f | Read at block 26183258 | 13 Oct 2026 |
| SuperstateOracle contract | etherscan.io/address/0xE4fA682f94610cCd170680cc3B045d77D9E528a8 | Read at block 26183258 | 13 Oct 2026 |
Transparency
| Field | Source | Note | Checked |
|---|---|---|---|
| freshness class | superstate.com/assets/ustb | Short-duration Treasury bill fund. | 25 Oct 2026 |
| transparency › reports | docs.chroniclelabs.org/Products/proofOfAsset/integratingPOAs/routers | Router 0xDf8d…f254 is live; its age advanced about every 23.7h, weekends included (checked 2026-10-13). | 25 Oct 2026 |
| transparency › reports | superstate.com/assets/ustb | Line-item T-bill holdings, 'As of 09/21/2026' when checked on 2026-10-25. | 25 Oct 2026 |
Pricing
| Field | Source | Note | Checked |
|---|---|---|---|
| pricing › reference | docs.superstate.com/investors/smart-contracts | SuperstateOracle; owner EOA 0x4b1d…1395 posts one checkpoint per business day (NAV/S from NAV Fund Services). latestRoundData() extrapolates between checkpoints and returns the current block time as updatedAt, so freshness is read from checkpoints(roundId).effectiveAt. Each checkpoint may move at most maximumAcceptablePriceDelta ($1.00, about 9%); the oracle reverts if the newest checkpoint is over 5 days old. | 13 Oct 2026 |
| pricing › staleness detectable | github.com/superstateinc/onchain-redemptions/blob/5986d9b692aff3a333d6042361af0d31521a78f0/src/oracle/SuperstateOracle.sol | SuperstateOracle extrapolates between checkpoints and returns the current block time as updatedAt. It only reverts once the latest checkpoint is 5 days old. | 25 Oct 2026 |
| pricing › loss recognition | docs.superstate.com/investors/smart-contracts | One NAV checkpoint per business day. | 25 Oct 2026 |
Exit
| Field | Source | Note | Checked |
|---|---|---|---|
| exit › redemption › available | docs.superstate.com/investors/tokenized-funds/available-funds/invesco-ustb | USD wire, or USDC through the portal or onchain redeem on RedemptionIdle | 13 Oct 2026 |
| exit › redemption › who can redeem | docs.superstate.com/investors/tokenized-funds/available-funds/invesco-ustb | — | 13 Oct 2026 |
| exit › redemption › settlement | docs.superstate.com/investors/tokenized-funds/available-funds/invesco-ustb | USDC 'immediately (including non-business days, subject to available liquidity)'; USD same day if requested before 1pm ET | 13 Oct 2026 |
| exit › dealing | superstate.com/assets/ustb | Immediate for USDC, same-day for USD. | 25 Oct 2026 |
| exit › notice days | superstate.com/assets/ustb | — | 25 Oct 2026 |
| exit › lockup days | superstate.com/assets/ustb | 'liquidity each market day'; no lock-up stated. | 25 Oct 2026 |
| exit › fee bps | etherscan.io/address/0x4c21b7577c8fe8b0b0669165ee7c8f67fa1454cf | RedemptionIdle fee = 0 | 13 Oct 2026 |
| exit › liquidators | docs.superstate.com/investors/tokenized-funds/available-funds/invesco-ustb | Every transfer checks the allowlist. Aave Horizon holds USTB with permissioned liquidators. | 25 Oct 2026 |
| exit › instant › funded usd | etherscan.io/address/0x4c21b7577c8fe8b0b0669165ee7c8f67fa1454cf | USDC.balanceOf = 0.013862 at block 26,183,016. | 13 Oct 2026 |
| top holders | eth.blockscout.com/token/0x43415eB6ff9DB7E26A15b704e7A3eDCe97d31C4e?tab=holders | Top 10 wallets on Ethereum | 25 Oct 2026 |
| DEX sell quotes | kyberswap.com | $1M, $5M and $10M sells into USDC, against NAV | 25 Oct 2026 |
DeFi exposure
| Field | Source | Note | Checked |
|---|---|---|---|
| lending markets | app.morpho.org | Morpho API, Aave pools onchain | 29 Oct 2026 |