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Super Investors VANGUARD 0-3 MONTH TREASURY BILL ETF

VANGUARD 0-3 MONTH TREASURY BILL ETF

Vanguard Institutional Index Funds · net assets $9.35B · 27 holdings as of June 30, 2026. Monthly N-PORT disclosure: the full book, not just equities.

Asset mix

DBT: 100.0% · STIV: 0.0%

Financial position

Total assets
$9.35B
Total liabilities
$226K
Net assets
$9.35B
Assets attributable to miscellaneous securities
$0
Assets invested in controlled foreign corporations
$0
Borrowings payable within one year
$0
Payable to controlled companies within one year
$0
Payable to other affiliates within one year
$0
Other liabilities payable within one year
$0
Borrowings payable after one year
$0
Payable to controlled companies after one year
$0
Payable to other affiliates after one year
$0
Other liabilities payable after one year
$0
Payables for delayed-delivery investments
$0
Payables for standby commitments
$0
Liquidation preference of outstanding preferred stock
$0
Cash not reported in Parts C or D
$1.52M

Monthly flows and gains

Month 1 Month 2 Month 3
Sales $978M $1.18B $1.03B
Reinvestment $0 $0 $0
Redemptions $297M $172M $54.8M
Net realized gain (non-derivative) $2.02K $1.88K $307
Net unrealized appreciation (non-derivative) $126K $1.51M $-1.75M

The three months of the reporting period, as filed; month 3 ends June 30, 2026.

Credit spread risk (change in value per 1bp spread move)

Tenor Investment grade Non-investment grade
3 months $0 $0
1 year $0 $0
5 years $0 $0
10 years $0 $0
30 years $0 $0

Filing details

Registrant
Vanguard Institutional Index Funds
Registrant CIK
862084
Registrant LEI
549300HU31ENFT74XN04
Series
VANGUARD 0-3 MONTH TREASURY BILL ETF
Series ID
S000090172
Series LEI
52990070DGBTWFWX8S21
SEC file number
811-06093
Address
100 Vanguard Boulevard, Malvern, US-PA, 19355, US
Phone
610-669-1000
Form
NPORT-P
Filed
August 28, 2026
Report period ends
December 31, 2026
Report month ends
June 30, 2026
Accession number
000086208426000147
Holding Value % of net assets
United States Treasury Bill DBT $634M 6.78%
United States Treasury Bill DBT $570M 6.10%
United States Treasury Bill DBT $524M 5.61%
United States Treasury Bill DBT $505M 5.41%
United States Treasury Bill DBT $484M 5.18%
United States Treasury Bill DBT $483M 5.17%
United States Treasury Bill DBT $481M 5.15%
United States Treasury Bill DBT $479M 5.12%
United States Treasury Bill DBT $470M 5.02%
United States Treasury Bill DBT $441M 4.72%
United States Treasury Bill DBT $440M 4.71%
United States Treasury Bill DBT $342M 3.66%
United States Treasury Bill DBT $342M 3.66%
United States Treasury Bill DBT $341M 3.64%
United States Treasury Bill DBT $340M 3.63%
United States Treasury Bill DBT $339M 3.63%
United States Treasury Bill DBT $331M 3.54%
United States Treasury Bill DBT $295M 3.16%
United States Treasury Bill DBT $288M 3.09%
United States Treasury Bill DBT $280M 3.00%
United States Treasury Bill DBT $279M 2.98%
United States Treasury Bill DBT $137M 1.46%
United States Treasury Bill DBT $135M 1.44%
United States Treasury Bill DBT $133M 1.42%
United States Treasury Bill DBT $130M 1.40%
United States Treasury Bill DBT $119M 1.27%
Vanguard Cmt Funds-vanguard Market Liquidity Fund STIV $3.75M 0.04%

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