Vanguard Mortgage-Backed Secs Idx Instl (VMBIX)

VMBIX Holdings Information

VMBIX is a mutual fund with a total of 5133 individual holdings.

• Total Holdings: 5133
• Top 10 Percentage: 8.79%
• Asset Class: Fixed Income
• Fund Category: US Mortgage
• Assets: 17.33B
• Forward PE Ratio: n/a

Top 25 Holdings

As of May 31, 2026

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No.	Symbol	Name	% Weight	Shares
1	n/a	Mktliq 12/31/2049	5.07%	9,111,296
2	FNCL.5 6.11	Federal National Mortgage Association 5.23077%	0.69%	126,080,000
3	FNCL.2 6.13	Federal National Mortgage Association 2.23077%	0.50%	111,413,000
4	G2SF.5.5 7.11	Government National Mortgage Association 5.5%	0.43%	77,520,000
5	n/a	Us Dollar	0.42%	75,026,075
6	G2SF.5 6.11	Government National Mortgage Association 5.23077%	0.41%	74,010,000
7	FNCL.5.5 6.11	Federal National Mortgage Association 5.5%	0.39%	69,820,000
8	G2.MB0025	Government National Mortgage Association	0.30%	55,080,603
9	G2.MB0871	Government National Mortgage Association	0.30%	53,728,988
10	FNCL.4.5 6.11	Federal National Mortgage Association 4.5%	0.29%	54,330,000
11	FN.CC2762	Federal National Mortgage Association	0.28%	49,940,332
12	G2.MB0936	Government National Mortgage Association	0.27%	49,753,119
13	G2SF.5.5 6.11	Government National Mortgage Association 5.5%	0.27%	48,850,000
14	G2.MB0024	Government National Mortgage Association	0.27%	49,907,117
15	FR.SD4155	Federal Home Loan Mortgage Corp.	0.26%	58,428,669
16	FR.RQ0118	Federal Home Loan Mortgage Corp.	0.25%	46,323,779
17	FR.SD8146	Federal Home Loan Mortgage Corp.	0.24%	54,097,710
18	FNCL.6 6.11	Federal National Mortgage Association 6.23077%	0.24%	42,260,000
19	FNCL.3 6.11	Federal National Mortgage Association 3.23077%	0.24%	49,137,000
20	FR.RQ0094	Federal Home Loan Mortgage Corp.	0.23%	42,030,349
21	FR.RQ0056	Federal Home Loan Mortgage Corp.	0.23%	40,606,802
22	FR.SD8128	Federal Home Loan Mortgage Corp.	0.22%	48,874,019
23	FN.MA4325	Federal National Mortgage Association	0.22%	48,512,660
24	G2.MA8347	Government National Mortgage Association	0.21%	38,424,775
25	G2.MA7311	Government National Mortgage Association	0.20%	44,222,605

Showing 25 of 5133 holdings

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Data Source: Finnhub Last updated: May 31, 2026

Mutual fund holdings data is provided by Finnhub. Holdings are typically published by the fund issuer on a monthly or quarterly basis, often with a 30–60 day delay.

Update frequency:

Quarterly

Last checked:

Jul 8, 2026

Data Sources Report a data error

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