IBFFX Mutual Fund

IBFFX Mutual Fund

NAV$12.16
See how much of IBFFX you already own
Just $25 once·$99/mo·Download sample
X-ray my portfolio free
Showing top 50 of 3,127 holdings · as of May 31, 2026
IBFFX holdings, by weight
#TickerNameWeightCumulativeSharesMkt valueSectorIndustry
1
CMQXX
Capital Group Central Cash Fund
12.34%
12.3%35,266,217$3.53B--
2DebtUnited States Treasury Note/Bond 4.375 2026-07-31Financials · Banks
2.64%
15.0%-$753.54MFinancialsBanks
Sector and industry · Pro
3DebtUs Treasury N/B 04/28 3.75 3.75
2.32%
17.3%-$661.39M
4DebtUnited States Treasury Note 2029-02-28
2.16%
19.5%-$618.41M
5DebtUnited States Department
1.93%
21.4%-$551.99M
6—Umbs Tba 30Yr 2% Jul 20
1.17%
22.6%-$335.57M
7—Fannie Mae Or Freddie Mac Fncl 2.5 7/24
1.15%
23.7%-$329.06M
8DebtTreasury Note
1.07%
24.8%-$306.03M
9DebtTreasury Note (Otr) 3.75% Jun 30, 2027
0.97%
25.8%-$277.50M
10DebtUs Treasury N/B 05/30 4
0.85%
26.6%-$243.08M
11DebtTreasury Note (Otr) 4.5% May 31, 2029
0.79%
27.4%-$225.85M
12DebtTreasury Note (Otr) 3.75% Aug 15, 2027
0.74%
28.1%-$210.54M
13DebtTreasury Note (Otr) 4% Dec 15, 2027
0.72%
28.8%-$204.45M
14DebtUs Treasury N/B
0.71%
29.6%-$204.02M
15DebtUs Treasury Note
0.70%
30.3%-$200.48M
16DebtUnited States Treasury Bonds 4.75% 4.75 2056-02-15
0.69%
30.9%-$196.68M
17DebtUs Treasury N/B 03/28 3.875
0.69%
31.6%-$195.87M
18DebtTreasury (Cpi) Note 2.38% Feb 15, 2055
0.66%
32.3%-$187.97M
19DebtWi Treasury Sec 11/55
0.61%
32.9%-$173.00M
20DebtPimco Mortgage-Backed Securities Active Exchange-Traded Fund Usetf
0.58%
33.5%-$166.93M
21DebtUnited States Treasury Note/Bond
0.55%
34.0%-$157.00M
22DebtTreasury Note (Otr) 2.63% May 31, 2027
0.48%
34.5%-$138.26M
23—New Economy Assets Phase 1 Sponsor Llc
0.47%
35.0%-$134.46M
24DebtUnited States Treasury Note/Bond - When Issued 3.5% 30Sep2026
0.46%
35.4%-$130.87M
25—Fannie Mae Pool 08/01/2053
0.41%
35.9%-$118.08M
26DebtUs Treasury N/B 12/29 4.375
0.37%
36.2%-$104.99M
27DebtTreasury Note (Otr) 3.38% Sep 15, 2027
0.36%
36.6%-$104.26M
28DebtTreasury Note (Otr)
0.32%
36.9%-$91.97M
29DebtWi Treasury Sec 08/55 4.75
0.29%
37.2%-$81.85M
30DebtUs Treasury N/B 06/32 4
0.27%
37.5%-$76.09M
31DebtUs Treasury N/B
0.27%
37.7%-$77.18M
32DebtTreasury Note
0.26%
38.0%-$75.10M
33DebtUs Treasury N/B 4.63 2055-02-15
0.25%
38.2%-$72.04M
34—Fannie Mae Or Freddie Mac 06/01/2053
0.24%
38.5%-$69.53M
35—Citigroup Commercial Mortgage Cgcmt 2023 Smrt A 144A 6.014685 06/10/2028
0.24%
38.7%-$68.39M
36DebtTreasury Note (Otr) 3.75% May 31, 2030
0.22%
38.9%-$64.16M
37—Fannie Mae Pool 2053-06-01
0.21%
39.2%-$58.90M
38DebtUnited States Treasury Note 2030-10-31
0.21%
39.4%-$60.56M
39DebtUnited States Treasury Note/Bond
0.21%
39.6%-$60.27M
40—Goldman Sachs 4.972 6/32
0.21%
39.8%-$60.11M
41—Fnma Pool 190445 Fn 03/55 Fixed Var
0.20%
40.0%-$57.01M
42DebtRoyal Caribbean Cruises
0.20%
40.2%-$58.00M
43—Fnma 30Yr Tba 7.0% Jun 24 To Be Announced 7.00000000
0.20%
40.4%-$57.06M
44DebtU.S. Treasury Note/bond 2.250%, 11/15/2027
0.19%
40.6%-$54.66M
45DebtTreasury Note (Otr) 4.13% Jan 31, 2027
0.18%
40.8%-$50.10M
46—Smrt 22-Mini A 144A Frn (Sofr+100) 01-15-24
0.18%
40.9%-$52.19M
47DebtTreasury (Cpi) Note 1.25% Apr 15, 2028
0.18%
41.1%-$52.41M
48DebtPimco Multisector Bond Active Exchange-Traded Fund Usetf
0.18%
41.3%-$50.91M
49DebtU.S. Treasury Notes, 2.750%, 07/31/2027
0.18%
41.5%-$51.30M
50—Fed Hm Ln Pc Pool Ra5971
0.18%
41.7%-$51.55M
More holdings · Pro
Not reported for this fund: share changes.
FundXLS Pro
See the other 3,077 holdings of IBFFX
X-ray every fund you own at once, ETFs and mutual funds that hold stocks directly, and see how much of your money lands on the same stocks twice.
Unlock FundXLS Pro$45/quarter Pro · Cancel anytime

IBFFX Mutual Fund All Holdings

IBFFX holdings total 3127 positions. The top 10 holdings account for 26.6% of the fund, led by Capital Group Central Cash Fund at 12.3%, United States Treasury Note/Bond 4.375 2026-07-31 at 2.6%, Us Treasury N/B 04/28 3.75 3.75 at 2.3%.

IBFFX portfolio concentration is well-diversified, with the top 10 representing 26.6% of total assets. The largest sector exposure is Financials at 39.7%.

IBFFX sectors provide a detailed breakdown. IBFFX overlap shows how holdings compare to other funds in your portfolio.