Fitch Affirms and Withdraws Two Invesco Money Market Fund Ratings

Published: 2026-05-04 07:35:20 ET IVZ

Published on 05/04/2026 at 07:35 am EDT

Fitch Ratings has affirmed Short-Term Investments Trust - Invesco Government & Agency Portfolio and Short-Term Investments Trust - Invesco Treasury Portfolio at 'AAAmmf' and has withdrawn the ratings.

The ratings have been withdrawn for commercial reasons.

KEY RATING DRIVERS

The funds have been in compliance with 'AAAmmf' ratings under Fitch's Money Market Fund Rating Criteria since the last rating review on Jan. 15, 2025.

Invesco serves as the funds' investment advisor and is a wholly owned, indirect subsidiary of Invesco Ltd. As of March 31, 2026, Invesco Ltd. had $2.16 trillion in assets under management.

RATING SENSITIVITIES

Factors that Could, Individually or Collectively, Lead to Negative Rating Action/Downgrade

Not applicable, as the ratings have been withdrawn.

Factors that Could, Individually or Collectively, Lead to Positive Rating Action/Upgrade

Not applicable, as the ratings have been withdrawn.

RATING ACTIONS

Entity / Debt

Rating

Prior

Short-Term Investments Trust - Invesco Government & Agency Portfolio

MMF

AAAmmf

Affirmed

AAAmmf

MMF

WDmmf

Withdrawn

Short-Term Investments Trust - Invesco Treasury Portfolio

MMF

AAAmmf

Affirmed

AAAmmf

MMF

WDmmf

Withdrawn

Page

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VIEW ADDITIONAL RATING DETAILS

Additional information is available on www.fitchratings.com

APPLICABLE CRITERIA

Money Market Fund Rating Criteria (pub. 27 Jul 2024)

ADDITIONAL DISCLOSURES

Solicitation Status

Endorsement Policy

ENDORSEMENT STATUS

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