TREASURY BILL

NPORT-P false 0000862084 XXXXXXXX S000090172 C000257083 VANGUARD INSTITUTIONAL INDEX FUNDS 811-06093 0000862084 549300HU31ENFT74XN04 100 Vanguard Boulevard Malvern 19355 610-669-1000 VANGUARD 0-3 MONTH TREASURY BILL ETF S000090172 52990070DGBTWFWX8S21 2025-12-31 2025-03-31 N 550611452.08 14908.13 550596543.95 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 32896.78000000 USD N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797KS5 43882000.00000000 PA USD 43799111.72000000 7.954846829546 Long DBT UST US N 2 2025-04-17 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PC5 18482000.00000000 PA USD 18405902.96000000 3.342902014595 Long DBT UST US N 2 2025-05-06 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NV5 10483000.00000000 PA USD 10385158.69000000 1.886164888630 Long DBT UST US N 2 2025-06-20 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NY9 30342000.00000000 PA USD 30316955.09000000 5.506201486937 Long DBT UST US N 2 2025-04-08 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NC7 30828000.00000000 PA USD 30744588.97000000 5.583868861478 Long DBT UST US N 2 2025-04-24 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NE3 31171000.00000000 PA USD 31035163.66000000 5.636643382712 Long DBT UST US N 2 2025-05-08 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NN3 18417000.00000000 PA USD 18291191.44000000 3.322067971727 Long DBT UST US N 2 2025-05-29 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PS0 5198000.00000000 PA USD 5151526.97000000 0.935626463079 Long DBT UST US N 2 2025-06-17 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PA9 22884000.00000000 PA USD 22827266.69000000 4.145915360499 Long DBT UST US N 2 2025-04-22 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NM5 18939000.00000000 PA USD 18825642.18000000 3.419135551586 Long DBT UST US N 2 2025-05-22 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797ND5 30579000.00000000 PA USD 30471209.12000000 5.534217287562 Long DBT UST US N 2 2025-05-01 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PR2 7240000.00000000 PA USD 7181014.15000000 1.304224341562 Long DBT UST US N 2 2025-06-10 None 0.00000000 N N N N N N Vanguard Cmt Funds-Vanguard Market Liquidity Fund 1I6HV0TLSTR3A4XQ6L78 Vanguard Market Liquidity Fund N/A 3539690.90000000 NS USD 3539336.93000000 0.642818588109 Long STIV CORP US N 1 N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PK7 17544000.00000000 PA USD 17428287.53000000 3.165346335988 Long DBT UST US N 2 2025-05-27 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NW3 4288000.00000000 PA USD 4244977.10000000 0.770977796109 Long DBT UST US N 2 2025-06-26 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797LB1 26343000.00000000 PA USD 26206484.76000000 4.759652970575 Long DBT UST US N 2 2025-05-15 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NB9 30688000.00000000 PA USD 30655394.15000000 5.567669192050 Long DBT UST US N 2 2025-04-10 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PJ0 13293000.00000000 PA USD 13216556.09000000 2.400406656239 Long DBT UST US N 2 2025-05-20 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NP8 17775000.00000000 PA USD 17640045.77000000 3.203806119713 Long DBT UST US N 2 2025-06-05 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797MV6 30483000.00000000 PA USD 30475811.21000000 5.535053124628 Long DBT UST US N 2 2025-04-03 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PL5 8828000.00000000 PA USD 8763114.20000000 1.591567236716 Long DBT UST US N 2 2025-06-03 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NT0 27590000.00000000 PA USD 27586754.30000000 5.010339168148 Long DBT UST US N 2 2025-04-01 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797NZ6 30121000.00000000 PA USD 30071275.34000000 5.461580838170 Long DBT UST US N 2 2025-04-15 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PT8 5198000.00000000 PA USD 5147059.60000000 0.934815094020 Long DBT UST US N 2 2025-06-24 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PH4 18438000.00000000 PA USD 18346793.34000000 3.332166455019 Long DBT UST US N 2 2025-05-13 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797PB7 27818000.00000000 PA USD 27726262.38000000 5.035676791774 Long DBT UST US N 2 2025-04-29 None 0.00000000 N N N N N N United States Treasury Bill 254900HROIFWPRGM1V77 TREASURY BILL 912797LN5 22258000.00000000 PA USD 22071255.38000000 4.008607686067 Long DBT UST US N 2 2025-06-12 None 0.00000000 N N N N N N 2025-05-28 VANGUARD INSTITUTIONAL INDEX FUNDS Ashley Grim Ashley Grim Treasurer XXXX