Earn without lockups
Pick your investments
Select U.S. Treasury Bills, Morgan Stanley MULSX, or Vanguard VFSTX to start earning on idle cash. No lockups, no extra tools.
You closed the round. Now put it to work.
Earn up to 4.22%* net yield with fund options that match your goals. Keep every dollar working — without becoming a treasury operator.
Idle cash is a tax on focus
Turn idle cash into active capital
Pick your funds, set a target balance, and let Rho handle the rest.
Built-in flexibility
Liquidity on autopilot
Set rules once and let Rho handle the rest. Funds move automatically between Treasury and Checking as cash needs change.
No spreadsheets required
Sync with accounting
Treasury activity flows directly into your books for smoother reconciliation and a faster month-end close.
Built to scale with you
The treasury account that grows up with the company.
All in one place.
Cash, cards, payables, invoicing, and treasury in one dashboard — ready for the finance hire who'll inherit it.
Set up in days, not weeks.
A Rho specialist walks you through allocation and paperwork in a single call. You're earning by the end of the week.
Liquid the day you need it.
T-Bills settle in 2–3 business days. Mutual fund redemptions move next business day. No 90-day notice window.
New in Rho: Multi-Asset Portfolios
Choose your portfolio strategy. Set it once. Rho handles the rest.
Hold T-Bills, MULSX, and VFSTX together — in the mix that fits your runway
New deposits route to your target allocation automatically
Drift past your target? Rho rebalances. You don't open a ticket.
One decision today. No quarterly meeting on the calendar.
"With Rho Treasury's new Multi-Asset management feature, it's set-and-forget. One less thing to think about."
See exactly what your cash would earn.
Net yields by deposit size, by fund. The number you see is the number that lands in your account — fee already taken out.
| Total Deposits | Vanguard Mutual Fund Net Yield** | Morgan Stanley Mutual Fund Net Yield* | T-Bills Net Yield† |
Description | Short-term bond fund investing primarily in investment-grade corporate bonds, with other assets including government and securitized debt. Share price may fluctuate as interest rates change. | Ultra-short bond fund holding a diversified portfolio of corporate notes, commercial paper, certificates of deposit, and repurchase agreements. Minimal share price fluctuations. | Short-term U.S. Government debt security backed by the U.S. Treasury. It's a stable and predictable way to earn yield on idle funds. |
> $20M | 4.22% | 3.71% | 3.53% |
$10-20M | 4.12% | 3.61% | 3.43% |
$5-10M | 4.02% | 3.51% | 3.33% |
$2-5M | 3.92% | 3.41% | 3.23% |
$100K-2M | 3.77% | 3.26% | 3.08% |
| Vanguard Mutual Fund Net Yield** | |
Description | |
Short-term bond fund investing primarily in investment-grade corporate bonds, with other assets including government and securitized debt. Share price may fluctuate as interest rates change. | Ultra-short bond fund holding a diversified portfolio of corporate notes, commercial paper, certificates of deposit, and repurchase agreements. Minimal share price fluctuations. |
> $20M | |
4.22% | 3.71% |
$10-20M | |
4.12% | 3.61% |
$5-10M | |
4.02% | 3.51% |
$2-5M | |
3.92% | 3.41% |
$100K-2M | |
3.77% | 3.26% |
This reflects the sought net yield based on 90-day Treasury Bill rates as of 05/04/2026 and an annual fee which ranges from 0.15% for deposits of $20M or more to 0.6% (the maximum annual fee) for deposits under $2M. Individual results may vary depending on the actual investment date and investment products selected. Past performance is not a guarantee of future performance results. The yield is variable and fluctuates without prior notice. The rate shown is net of fees. The amount of Treasury Bills available at a particular yield will depend upon the sellers’ offer size; any remaining cash balance after the purchase may not earn the same yield. *RBB Treasury LLC dba Rho Treasury, an SEC-registered investment adviser , and subsidiary of Rho seeks to earn net returns up to 4.22% annually on your idle cash. Net yield numbers as of 05/04/2026, and assumes total Rho deposits of $20M+ and an annual fee which ranges from 0.15% for deposits of $20M or more to 0.6% (the maximum annual fee) for deposits under $2M. Registration with the SEC does not imply a certain level of skill or training.
FAQs
General
Securities in your Rho Treasury accounts custodied at Apex Clearing Corporation are covered by SIPC, up to $500,000 per customer, including up to $250,000 for cash. Visit the SIPC website for complete details.
Rho Treasury
Rho Treasury is a cash management service that allows clients to invest non-operational funds in U.S. Treasury Bills and Mutual Funds, earning yield.
Investment management and advisory services are provided by RBB Treasury LLC dba Rho Treasury, an SEC-registered investment adviser. RBB Treasury LLC facilitates investments in securities: investments are not deposits and are not FDIC-insured. Investments are not bank guaranteed, and may lose value. Investment products involve risk and past performance does not guarantee future results. Registration with the SEC does not imply a certain level of skill or training. Treasury and custodial services are provided through Apex Clearing Corp. Treasury and custodial services are provided through Interactive Brokers LLC for clients with accounts opened prior to July 2024.
No, securities-based portfolios do not have FDIC insurance.
Visit the Rho Treasury product page to see the latest market rate. The yield may change at any time and without prior notice.
Rho Treasury is an RIA (registered investment advisor) and charges a management fee. Please see the ADV-2A Wrap Fee Brochure for further information regarding fees and Rho Treasury.
If you sell your treasury bills, you should be able to access the funds within 2-3 business days. Treasury bills sold before maturity are sold at market prices, which can fluctuate. That means that any treasury bills sold before maturity may lose value compared to your principal investment amount due to factors including, but not limited to, fluctuations in interest rates. Investments are not deposits or FDIC insured and may lose value.
When you use Rho Treasury at one of our custodial partners, your cash and investments are held in your company's name at our custodial partner, Apex Clearing Corp. (after July 2024) or Interactive Brokers LLC (pre-July 2024).
Rho Treasury is available for Rho clients that invest $100K or more (subject to compliance and partner review). Reach out to your Client Service representative to learn more.
Accounting Automations
Rho has direct integrations with QuickBooks Online, Sage Intacct, Oracle NetSuite, Campfire, and Puzzle.
We also make it easy to use CSV exports if you choose not to connect Rho with your accounting software.
We’re ready
when you are.
