MF · holdings as filed 2026-05-31
What's inside BTOT?
iShares Total USD Fixed Income Market ETF
- Holdings
- 844
- positions in the fund
- Top 10
- 17%
- of fund assets
- Expense ratio
- 0.09%
- net, per year
- Fund size
- $25M
- total net assets
Top 20 holdings
| Rank | Logo | Ticker / Name | Weight | |
|---|---|---|---|---|
| 1 | X  | XTSLABLCKRCK CASH-TRSRY-SL AGNCY | 5.67% | |
| 2 | BOND | Fannie Mae mortgage pool#FN MA4562 | 2.25% | |
| 3 | BOND | Freddie Mac mortgage pool#FR SD8212 | 1.55% | |
| 4 | BOND | US Treasury Note3.875% · Jul 2027 | 1.22% | |
| 5 | B  | BMARK 2025-V18 A3BMARK 2025-V18 A3 | 1.18% | |
| 6 | BOND | US Treasury Note0.5% · May 2027 | 1.18% | |
| 7 | BOND | US Treasury Note0.5% · Jun 2027 | 1.17% | |
| 8 | BOND | US Treasury Note4.875% · Oct 2030 | 1.05% | |
| 9 | BOND | Fnci 2 6/12 | 0.98% | |
| 10 | BOND | US Treasury Note3.625% · Aug 2027 | 0.97% | |
| 11 | BOND | US Treasury Note3.375% · Sep 2027 | 0.97% | |
| 12 | BOND | US Treasury Note4% · Apr 2032 | 0.96% | |
| 13 | BOND | US Treasury Note4% · Jul 2032 | 0.96% | |
| 14 | BOND | Fannie Mae mortgage pool#FN MA4599 | 0.87% | |
| 15 | BOND | US Treasury Note1.875% · Feb 2032 | 0.86% | |
| 16 | BOND | Saudi International Bond5.625% · Jan 2035 | 0.81% | |
| 17 | BOND | Mdgh Gmtn Rsc5.5% · Apr 2033 | 0.80% | |
| 18 | BOND | Republic Of Turkiye7.125% · Feb 2032 | 0.79% | |
| 19 | BOND | Ginnie Mae mortgage pool#G2 MA9015 | 0.78% | |
| 20 | BOND | Fannie Mae mortgage pool#FN MA4511 | 0.77% |
Top holdings — United States
Your 10 largest positions in this country
1
X
XTSLABLCKRCK CASH-TRSRY-SL AGNCY
5.67%2
BOND
Fannie Mae mortgage pool#FN MA4562
2.25%3
BOND
Freddie Mac mortgage pool#FR SD8212
1.55%4
BOND
US Treasury Note3.875% · Jul 2027
1.22%5
B
BMARK 2025-V18 A3BMARK 2025-V18 A3
1.18%6
BOND
US Treasury Note0.5% · May 2027
1.18%7
BOND
US Treasury Note0.5% · Jun 2027
1.17%8
BOND
US Treasury Note4.875% · Oct 2030
1.05%9
BOND
Fnci 2 6/12
0.98%10
BOND
US Treasury Note3.625% · Aug 2027
0.97%Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
Hold BTOT alongside other funds? See your combined true holdings, overlap, and blended fees — free, no signup.
Unwrap your portfolio →Funds similar to BTOT
Data source: official SEC Form N-PORT filings (as of 2026-05-31); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.
Informational and educational only — not investment advice.