MIOBX Mutual Fund

MIOBX Mutual Fund

NAV$5.80
See how much of MIOBX you already own
Just $25 once·$99/mo·Download sample
X-ray my portfolio free
Showing the top 10 of 517 holdings · as of Jan 31, 2026
Top 10 weight
20.38%
MIOBX top 10 holdings, by weight
#TickerNameWeightCumulativeSharesMkt valueSectorIndustry
1DebtU.S. Treasury BondsFinancials · Banks
3.07%		3.1%-$244.72MFinancialsBanks
2DebtUs Treas BdsFinancials · Banks
2.48%		5.5%-$197.89MFinancialsBanks
Sector and industry · Pro
3DebtUnited States Treasury Note/Bond 2029-04-30
2.27%		7.8%-$181.25M
4DebtUs Treasury N/B 4.75 2/45
1.95%		9.8%-$155.54M
5DebtTreasury Bond
1.90%		11.7%-$151.40M
6DebtUs Treasury Notes 2.5% 31-03-2027
1.89%		13.6%-$151.18M
7DebtUnited States Treasury Notes 4.500% 15-Apr-2027
1.79%		15.4%-$142.97M
8—Mfs Institutional Money Market Portfolio
1.70%		17.1%135,760,501$135.79M
9DebtUnited States Govt Us Treasury N/B 08/43 4.375
1.69%		18.7%-$134.60M
10DebtTreasury Bond
1.64%		20.4%-$131.01M
More holdings · Pro
FundXLS Pro
See the other 507 holdings of MIOBX
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
Themes in the top 10
Interest RatesMarket InfrastructureCurrencyInflation ProtectionLending & CreditGlobal BankingAsset Management

MIOBX Mutual Fund Top Holdings

MIOBX holdings top 10 positions. The top 10 holdings account for 20.4% of the fund, led by U.S. Treasury Bonds at 3.1%, Us Treas Bds 4.75% 11/15/43 at 2.5%, United States Treasury Note/Bond 2029-04-30 at 2.3%.

MIOBX portfolio concentration is well-diversified, with the top 10 representing 20.4% of total assets. The largest sector exposure is Financials at 46.3%.

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