Mercury Advisory is introducing two new Mercury-exclusive investment options to Mercury Treasury¹.
MCRYX:
- In July, funds invested in the Morgan Stanley Ultra-Short Income Portfolio (MULSX) automatically moved into MCRYX, a new Mercury-exclusive mutual fund with the same investment strategy. Mercury worked with Morgan Stanley Investment Management to design this mutual fund specifically for Mercury customers. It gives Mercury greater ability to manage fund expenses on your behalf over time.
- Customers were able to opt out of this change before the July 14, 2026 deadline by contacting Mercury Support or editing their treasury portfolio to have no funds invested in the Ultra-Short Strategy Portfolio: Mercury Class (MCRYX).
MRGXX:
- In August, funds invested in the J.P. Morgan U.S. Treasury Plus Money Market Fund (JTCXX) will automatically move into the State Street Institutional U.S. Government Money Market Fund (MRGXX), a new Mercury-exclusive offering developed in partnership with State Street. MRGXX carries a lower expense ratio² than JTCXX and offers greater flexibility to seek value across government-backed assets, including treasury debt, government agency debt, and repurchase agreements, while maintaining same-day liquidity.²
How MRGXX is different:
- Built specifically for Mercury customers
- Lower expense ratio than JTCXX²
- Holds a broader mix of government-backed assets — including treasury debt, government agency debt, and repurchase agreements —while maintaining same-day liquidity³
- Backed by institutional scale: State Street Investment Management manages $6.3 trillion in assets globally and over $643 billion in cash, its core specialty⁴
If you'd like to opt out of this change, please notify Mercury support or edit your Treasury portfolio by end of day on Aug 19, 2026.
Both changes happen automatically and no action is required by you. All other aspects of your Treasury account remain the same:
- Same-day liquidity for MRGXX. Withdraw funds the same day if needed
- Automated transfers. Your existing rules will continue without change
- Accounting integrations. Still syncs with QuickBooks, Xero, and NetSuite³
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Account protections. Your account remains in your company's name, custodied by our broker-dealer Apex, with SIPC coverage
Disclosures
Investing may result in taxable gains or losses. Consult your tax advisor regarding your specific tax situation.
¹ Mercury Treasury is offered by Mercury Advisory, LLC, an SEC-registered investment adviser (“Mercury Advisory”). This communication does not constitute an offer to sell or the solicitation of an offer to buy any security. All Brokerage and Clearing services are provided by, and securities are offered through Apex Clearing Corporation, an SEC-registered broker dealer and member FINRA/SIPC. Treasury accounts are not FDIC insured, are not bank deposits, and are not guaranteed by Choice Financial Group or Column N.A., and may lose value. Please review Mercury Advisory’s ADV Wrap Fee Brochure for more detail. Mercury Advisory is a wholly-owned subsidiary of Mercury Technologies, Inc.
² MRGXX net expense ratio of 0.14% compared to JTCXX net expense ratio of 0.17%, as of 06/09/2026.
² “Same-day liquidity” only applies to funds invested in the State Street Institutional U.S. Government Money Market Fund. Cutoff for transfers to settle same-day is 3pm ET each business day, subject to partner processing times. Read fund prospectus for additional information.
³ Some features are only accessible to paid subscribers. Learn more about Mercury subscription plans here.
⁴State Street Corporation, parent of State Street Investment Management (SSIM), reported $6.3 trillion in assets under management as of June 30, 2026 (source). SSIM reports $643 billion in assets managed in money market funds and short-term fixed income strategies, as of February 27, 2026 (source).