IUSBX Mutual Fund

NAV$8.79

AUM$1M

TER0.76%

Holdings4,555

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IUSBX Mutual Fund

NAV$8.79

Voya US Bond Index Portfolio Class S2

AUM$1M

TER0.76%

Holdings4,555

See how much of IUSBX you already own

Just $25 once·$99/mo·Download sample

X-ray my portfolio free

Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

Showing top 50 of 4,555 holdings · as of Mar 31, 2026

IUSBX holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	Debt	Us Treas Nts	7.31%	7.3%	-	$37.61M	-	-
2	Debt	Us Treas Nts	6.19%	13.5%	-	$31.83M	-	-
3	Debt	Us Treasury N/B 03/28 3.875	4.52%	18.0%	-	$23.22M	-	-
4	Debt	Treasury Note (Old) 3.75% Apr 15, 2026Financials · Capital Markets	4.08%	22.1%	-	$21.00M	Financials	Capital Markets
5	Debt	Us Treasury N/B	3.88%	26.0%	-	$19.95M	-	-
6	Debt	Us Treasury N/B	3.59%	29.6%	-	$18.45M	-	-
7	Debt	United States Treas BdsFinancials · Banks	2.77%	32.3%	-	$14.22M	Financials	Banks
8	Debt	United States Department Of The Treasury	2.65%	35.0%	-	$13.60M	-	-
9	—	Concord Minutemen Capital Company Llc 0% Cp 07/05/2026 0 2026-05-07	1.94%	36.9%	-	$9.96M	-	-
10	Debt	United States Treasury Note/Bond Us Treasury N/BFinancials · Banks	1.85%	38.8%	-	$9.54M	Financials	Banks
11	—	Barton Cap Cp 5/18/10 0 2026-05-18	1.74%	40.5%	-	$8.95M	-	-
12	Debt	United States TreasuryFinancials · Diversified Financial Services	1.56%	42.1%	-	$8.02M	Financials	Diversified Financial Services
13	MVRXX	Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional ClassFinancials · Capital Markets	1.30%	43.4%	6,680,000	$6.68M	Financials	Capital Markets
14	Debt	Wi Treasury Sec 11/55	1.16%	44.5%	-	$5.97M	-	-
15	—	State Of Wisconsin Investment Board	1.15%	45.7%	-	$5.89M	-	-
16	—	Rbc Dominion Securities Inc	1.13%	46.8%	-	$5.83M	-	-
17	—	Marex Capital Markets Inc.	1.11%	47.9%	-	$5.70M	-	-
18	—	Thunder Bay Funding Llc 0426	0.81%	48.7%	-	$4.14M	-	-
19	Debt	Treasury Note (Otr) 3.5% Oct 31, 2027	0.77%	49.5%	-	$3.98M	-	-
20	—	Freddie Mac Pool Umbs P#Sd7549 2.00000000Financials · Thrifts	0.69%	50.2%	-	$3.53M	Financials	Thrifts
21	Debt	Fannie MaeFinancials · Thrifts	0.52%	50.7%	-	$2.70M	Financials	Thrifts
22	—	Freddie Mac Pool Umbs P#Ra7200 2.50000000	0.52%	51.2%	-	$2.66M	-	-
23	—	Fannie Mae Pool	0.52%	51.8%	-	$2.65M	-	-
24	—	Gnma Ii Pool Mb0425 6.00 2055-06-20Financials · Thrifts	0.51%	52.3%	-	$2.60M	Financials	Thrifts
25	—	G2 10/51 Fixed 2.5Financials · Thrifts	0.50%	52.8%	-	$2.56M	Financials	Thrifts
26	Debt	Fn Ma5945	0.50%	53.3%	-	$2.55M	-	-
27	Debt	Fannie MaeFinancials · Thrifts	0.47%	53.7%	-	$2.44M	Financials	Thrifts
28	Debt	Fnma 30Yr UmbsFinancials · Thrifts	0.47%	54.2%	-	$2.40M	Financials	Thrifts
29	Debt	-Financials · Thrifts	0.47%	54.7%	-	$2.42M	Financials	Thrifts
30	Debt	Ginnie Mae Ii PoolFinancials · Thrifts	0.44%	55.1%	-	$2.27M	Financials	Thrifts
31	—	Fannie Mae Pool	0.44%	55.6%	-	$2.26M	-	-
32	—	Jefferies Llc 2026-04-01	0.42%	56.0%	-	$2.15M	-	-
33	—	Fannie Mae Pool 2054-09-01Financials · Thrifts	0.41%	56.4%	-	$2.09M	Financials	Thrifts
34	—	Ginnie Mae Ii Pool,G2 Ma9107 6 2053-08-20Financials · Thrifts	0.41%	56.8%	-	$2.10M	Financials	Thrifts
35	—	Fannie MaeFannie Mae Pool 2 2052-02-01	0.41%	57.2%	-	$2.11M	-	-
36	Debt	US Treasury Bonds 1.62% 15-11-2050Financials · Diversified Financial Services	0.39%	57.6%	-	$1.98M	Financials	Diversified Financial Services
37	—	Fnma 30Yr Umbs 1.5% Nov 01, 2050Financials · Thrifts	0.39%	58.0%	-	$2.01M	Financials	Thrifts
38	—	Fannie Mae Pool	0.39%	58.4%	-	$2.01M	-	-
39	—	Old Line Fdg Disc 4/30/10 0 2026-04-30	0.39%	58.8%	-	$1.99M	-	-
40	Debt	Fannie Mae Pool	0.38%	59.1%	-	$1.95M	-	-
41	—	Gnma Ii, 30 Year 2054-07-20Financials · Mortgage Real Estate Investment Trusts (REITs)	0.37%	59.5%	-	$1.90M	Financials	Mortgage Real Estate Investment Trusts (REITs)
42	—	Gnma2 30Yr 2% Dec 20, 2051Financials · Mortgage Real Estate Investment Trusts (REITs)	0.37%	59.9%	-	$1.91M	Financials	Mortgage Real Estate Investment Trusts (REITs)
43	—	Fannie MaeFannie Mae Pool 2 2052-04-01	0.37%	60.3%	-	$1.88M	-	-
44	—	Ginnie Mae Ii Pool G2 Ma7705 2.500000% 11/20/2051Financials · Thrifts	0.33%	60.6%	-	$1.71M	Financials	Thrifts
45	—	Daiwa Capital Markets America Inc	0.33%	60.9%	-	$1.67M	-	-
46	—	Fannie Mae Pool 06/01/2037Financials · Thrifts	0.32%	61.2%	-	$1.63M	Financials	Thrifts
47	—	Fnma Pool Ma4761 Fn 09/52 Fixed 5Financials · Thrifts	0.31%	61.5%	-	$1.57M	Financials	Thrifts
48	—	Landwirtschaftliche RentenbankFinancials · Diversified Financial Services	0.30%	61.8%	-	$1.55M	Financials	Diversified Financial Services
49	—	Federal Home Loan Bank Bonds 08/26 1.1 1.1% 2026-08-20Financials · Thrifts	0.30%	62.1%	-	$1.53M	Financials	Thrifts
50	NINV	National Investments Co KscpFinancials · Banks	0.30%	62.4%	-	$1.55M	Financials	Banks
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Not reported for this fund: share changes.

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IUSBX Mutual Fund All Holdings

IUSBX holdings total 4555 positions. The top 10 holdings account for 38.8% of the fund, led by Us Treas Nts 3.5% 03/15/29 at 7.3%, Us Treas Nts 4.25% 03/31/33 at 6.2%, Us Treasury N/B 03/28 3.875 at 4.5%.

IUSBX portfolio concentration is moderate, with the top 10 representing 38.8% of total assets. The largest sector exposure is Financials at 33.8%.

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