10x Insights
Loading account…
TBIL

F/m US Treasury 3 Month Bill Fund

Index fundBondsTracks the Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged IndexETF
RBB Fund, Inc.: TBIL · TBFMXHoldings as of May 31, 2026Filed Jul 28, 2026

U.S. bond index ETF · tracks Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index

As of its 2026 Q2 report, F/m US Treasury 3 Month Bill Fund held 2 positions with $7.10B in net assets. Its ten largest holdings made up 100.0% of the fund. The TBIL share class costs 0.15% a year. Over the 12 months to May 2026, TBIL returned 3.9%, with dividends reinvested. In 2026 Q2 it added 1 new positions and exited 1.

2026 Q2 holdings and allocationChanges are against the previous quarter, 2026 Q1Headline fees and returns use the TBIL share class
Expense ratio · TBIL
0.15%
$15 a year for every $10,000 invested
0.15% – 0.15% across the 2 classes
$7.10B
The whole fund, all share classes
2 holdings
100.0%in the top 10
Weight held in the ten largest holdings
Top 25 hold 100.0%
Return, 1 year · TBIL
+3.9%
With dividends, to May 2026
3 yr total +14.6%
What this fund is
Objective, as filed

The investment objective of the F/m US Treasury 3 Month Bill Fund (the F/m UST 3M Bill Fund or the Fund) is to seek investment results that correspond (before fees and expenses) generally to the price and yield performance of the Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index (I00087US) (the Underlying Index).

Strategy, summarised

The fund is a passively managed portfolio that seeks to track the Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index, which holds the most recently issued three-month US Treasury Bill and rolls to the new on-the-run security following each auction. The fund may invest up to 20% of assets in securities not in the index, including exchange-traded funds that invest in Treasury Bills, to help track the index. The fund may also lend securities and enter reverse repurchase agreements to enhance income.

What you own

per cent of the fund
CompanyWeightValue
TREASURY BILL
0.00% · due 2026-08-27
100.01%
$7.10B
U.S. Bank Money Market Deposit Account
0.00%
$0.01M
Showing 1–2 of 2 · the top 10 are 100.01% of the fund, the top 25 are 100.01%

All 2 holdings, with the share counts as filed, open with a free account.

What the fund is made of

Percentages are of fund net assets. Rounding, liabilities and short positions can make totals differ from 100%.

100.01%
of net assets
Bonds100.01%

How it has done

Total return, dividends reinvested · to May 2026

TBIL share class · total returns with dividends reinvested

1 year
+3.94%
3 years
+14.64%
Cumulative, not per year
5 years
—
Cumulative, not per year
46 of 60 months
Largest decline in 3 years
0.00%
From a previous high to a later low
Cumulative return, last three years· Jun 2023 – May 2026

Volatility over the last 12 months: 0.13%. Past returns are a record, not a forecast.

The 2 share classes hold the same portfolio

Share classExpense ratio1 year3 years5 yearsWorst fall
0.15%+3.94%+14.64%—0.00%
0.15%————

Fees & fund details

F/m US Treasury 3 Month Bill Fund is a U.S. bond index ETF that tracks the Bloomberg US Treasury Bellwether 3M Total Return USD Unhedged Index.

Asset class
Bonds
Region
United States
Management
Index (passive)
Fund type
ETF
Credit quality
Investment grade
Rate sensitivity
Short duration
Features
Fund of funds
Expense ratio, by class
0.15% – 0.15%· TBIL 0.15%
Portfolio turnover
0.00% a year · as of 2026 Q1

Turnover is how much of the portfolio was replaced in a year.

Classified from what the fund holds, not from its name · 2026 Q2. The summary is a paraphrase of the prospectus; the objective is verbatim.

What changed this quarter

2026 Q2 vs 2026 Q1

Positions that entered or left the fund since its previous filing. Positions that were only resized are not listed.

1 new

TREASURY BILL

1 exited

TREASURY BILL

Debt profile

What this fund holds — value-weighted across its bond and securitized long positions · as of 2026-05-31

Avg coupon
0.00%
Avg maturity
0.24 yr
Coupon type

Share of the fund's debt by how its coupon behaves — the fact that decides whether a rate move reaches this portfolio at all.

0%
floating
Fixed rate100.0%
Maturity ladder

Share of the fund's debt value in each maturity band, shortest first.

<1y
<1y100.0%
Flagged holdings
Defaulted: none reported
In arrears: none reported
Paid in kind: none reported

Based on what filers reported; a filer that never reported a flag also reads as none.

Risk profile

Interest-rate and credit-spread sensitivity, both in years · as of 2026Q2

Most of this fund’s sensitivity is to interest rates, with credit spreads carrying nearly as much.

0.24 yr
approx. move per 100bp
0.24 yr
approx. move per 100bp
If rates and spreads both rise 100bp

Where the loss would come from. The two shocks are the same size, so this is the balance of the fund's two sensitivities rather than a bet on one moving more.

≈ -0.5%
of value
Interest rates50%
Credit spreads50%

Filers report the impact of a 0.01% move only, so the total is our own scaling of that one number and overstates the loss on most bonds — read it as approximate, never as precise. The two sensitivities overlap rather than add up: they measure the same positions against different shocks, which is why the durations above are shown side by side and never summed.

Credit risk by quality

Share of the fund's spread duration carried by each credit tier.

+0.24
yrs total
Investment grade+0.24 yr
Where the risk sits on the curve

Share of duration at each point, shortest first. A positive figure loses value when spreads widen; a negative one offsets — a credit hedge.

Interest rate0.24 yr total
3 mo
3 mo0.24 yr100%
Credit spread0.24 yr total
3 mo
3 mo0.24 yr100%

The two bands measure the same positions against different shocks and do not add — a Treasury carries rate duration and no spread duration, a floating-rate credit the reverse. Rate tenors are also summed across every currency the fund discloses.

Show the numbers
TenorRate yrsIG yrsHY yrsIG $/bpHY $/bp
3 mo+0.24+0.24+0.00$171.7k$0
1 yr+0.00+0.00+0.00$0$0
5 yr+0.00+0.00+0.00$0$0
10 yr+0.00+0.00+0.00$0$0
30 yr+0.00+0.00+0.00$0$0

Dollar change per 1bp of spread movement, as filed and sign-anchored. A blank cell was not filed; a zero was.

Connected research

Understand how this fund fits with the rest.

Explore shared holdings, compare funds and follow their businesses with your connected AI:

  • “Where do my funds overlap — TBIL, QQQ and the fund in my 401(k)?”
  • “How do this fund’s ten biggest holdings stack up against each other?”
  • “For my target-date fund, what’s the real stock-and-bond mix once you look through it?”
See how it works →All research tools with a subscription. Use your own AI account.