The RBB Fund, Inc. - F/m US Treasury 6 Month Bill ETF
US ˙ NasdaqGM ˙ US74933W4603

SecurityXBIL / The RBB Fund, Inc. - F/m US Treasury 6 Month Bill ETF
InstitutionPrivate Advisor Group, LLC
Latest Disclosed Ownership28,194 shares
Latest Disclosed Value $ 1,410,554
Private Advisor Group, LLC reports 18.00% decrease in ownership of XBIL / The RBB Fund, Inc. - F/m US Treasury 6 Month Bill ETF

On April 24, 2026 - Private Advisor Group, LLC filed a 13F-HR form disclosing ownership of 28,194 shares of The RBB Fund, Inc. - F/m US Treasury 6 Month Bill ETF (US:XBIL) valued at $1,410,546 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 34,382 shares of The RBB Fund, Inc. - F/m US Treasury 6 Month Bill ETF. This represents a change in shares of -18.00% during the quarter. The current value of the position is $1,411,392 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-24 2026-03-31 13F RBB FD US TRSRY 6 MNTH 74933W460 28,194 -6,188 -18.00 1,411 -18.07 0.0063
2026-02-17 2025-12-31 13F RBB FD US TRSRY 6 MNTH 74933W460 34,382 -35,181 -50.57 1,721 -50.70 0.0078
2025-11-13 2025-09-30 13F RBB FD US TRSRY 6 MNTH 74933W460 69,563 -173,525 -71.38 3,492 -71.36 0.0172
2025-08-11 2025-06-30 13F RBB FD US TRSRY 6 MNTH 74933W460 243,088 -15,190 -5.88 12,191 -5.92 0.0657
2025-05-05 2025-03-31 13F RBB FD US TRSRY 6 MNTH 74933W460 258,278 4,696 1.85 12,958 2.13 0.0784
2025-02-03 2024-12-31 13F RBB FD US TRSRY 6 MNTH 74933W460 253,582 -3,138 -1.22 12,688 -1.55 0.0714
2024-10-22 2024-09-30 13F RBB FD US TRSRY 6 MNTH 74933W460 256,720 5,312 2.11 12,887 2.36 0.0800
2024-08-05 2024-06-30 13F RBB FD US TRSRY 6 MNTH 74933W460 251,408 23,496 10.31 12,591 10.25 0.0845
2024-04-30 2024-03-31 13F RBB FD US TRSRY 6 MNTH 74933W460 227,912 23,287 11.38 11,421 11.69 0.0821
2024-02-06 2023-12-31 13F RBB FD US TRSRY 6 MNTH 74933W460 204,625 56,879 38.50 10,225 38.01 0.0795
2023-11-03 2023-09-30 13F RBB FD US TRSRY 6 MNTH 74933W460 147,746 147,746 7,409 0.0662
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.