BlackRock Summit Cash Reserves Fund Investor A

MSAXX

GovernmentInstitutional
7-day Yield
#383
3.72%
as of 10/31/2025
Net assets
$1B
Expense ratio
0.00%
WAM
44
WAL
101
Minimum
$1K
Holding details
46% Treasuries
24% Treasury Repos
14% Agency Coupon Securities
1% Agency Zero Coupon
15% Agency Repos
as of 10/31/2025

Performance

Portfolio Securities

SecurityYield%
UNITED STATES TREASURY, TREASURY FLOATING RATE NOTE 3.971000%3.95%2.62%
UNITED STATES TREASURY, TREASURY BILL 3.894000%3.89%2.49%
UNITED STATES TREASURY, TREASURY BILL 3.923000%3.92%1.97%
UNITED STATES TREASURY, TREASURY FLOATING RATE NOTE 3.864000%3.95%1.90%
UNITED STATES TREASURY, TREASURY BILL 3.819000%3.82%1.79%
UNITED STATES TREASURY, TREASURY BILL 3.713000%3.71%1.75%
UNITED STATES TREASURY, TREASURY BILL 3.846000%3.85%1.62%
UNITED STATES TREASURY, TREASURY BILL 3.952000%3.95%1.58%
UNITED STATES TREASURY, TREASURY BILL 3.838000%3.84%1.57%
UNITED STATES TREASURY, TREASURY BILL 3.825000%3.83%1.48%
UNITED STATES TREASURY, TREASURY BILL 3.987000%3.99%1.42%
UNITED STATES TREASURY, TREASURY BILL 3.847000%3.85%1.40%
UNITED STATES TREASURY, TREASURY BILL 3.944000%3.94%1.38%
UNITED STATES TREASURY, TREASURY BILL 3.841000%3.84%1.29%
UNITED STATES TREASURY, TREASURY BILL 3.923000%3.92%1.18%
UNITED STATES TREASURY, TREASURY BILL 3.948000%3.95%1.13%
UNITED STATES TREASURY, TREASURY BILL 3.822000%3.82%1.10%
UNITED STATES TREASURY, TREASURY BILL 3.942000%3.94%1.09%
UNITED STATES TREASURY, TREASURY FLOATING RATE NOTE 3.916000%3.95%1.09%
UNITED STATES TREASURY, TREASURY BILL 3.928000%3.93%1.00%
UNITED STATES TREASURY, TREASURY BILL 3.822000%3.82%1.00%
UNITED STATES TREASURY, TREASURY BILL 3.941000%3.94%0.98%
UNITED STATES TREASURY, TREASURY BILL 3.824000%3.82%0.98%
UNITED STATES TREASURY, TREASURY NOTE 0.750000%3.82%0.94%
UNITED STATES TREASURY, TREASURY BILL 3.942000%3.94%0.93%
UNITED STATES TREASURY, TREASURY BILL 3.916000%3.92%0.90%
UNITED STATES TREASURY, TREASURY FLOATING RATE NOTE 3.925000%3.94%0.78%
UNITED STATES TREASURY, TREASURY BILL 3.740000%3.74%0.76%
UNITED STATES TREASURY, TREASURY BILL 3.836000%3.84%0.75%
UNITED STATES TREASURY, TREASURY BILL 3.732000%3.73%0.69%
UNITED STATES TREASURY, TREASURY FLOATING RATE NOTE 4.011000%3.95%0.68%
UNITED STATES TREASURY, TREASURY FLOATING RATE NOTE 3.948000%3.95%0.68%
UNITED STATES TREASURY, TREASURY BILL 3.825000%3.83%0.58%
UNITED STATES TREASURY, TREASURY BILL 3.862000%3.86%0.57%
UNITED STATES TREASURY, TREASURY BILL 3.842000%3.84%0.51%
UNITED STATES TREASURY, TREASURY BILL 3.928000%3.93%0.49%
UNITED STATES TREASURY, TREASURY BILL 3.874000%3.87%0.44%
UNITED STATES TREASURY, TREASURY BILL 3.825000%3.83%0.39%
UNITED STATES TREASURY, TREASURY BILL 3.948000%3.95%0.34%
UNITED STATES TREASURY, TREASURY NOTE 4.625000%3.81%0.33%
UNITED STATES TREASURY, TREASURY BILL 3.860000%3.86%0.25%
UNITED STATES TREASURY, TREASURY NOTE 0.375000%3.97%0.19%
UNITED STATES TREASURY, TREASURY BILL 3.815000%3.82%0.18%
UNITED STATES TREASURY, TREASURY BILL 3.849000%3.85%0.17%
UNITED STATES TREASURY, TREASURY BILL 3.848000%3.85%0.17%
UNITED STATES TREASURY, TREASURY NOTE 4.250000%3.84%0.16%
UNITED STATES TREASURY, TREASURY BILL 3.931000%3.93%0.14%
UNITED STATES TREASURY, TREASURY NOTE 1.625000%3.82%0.14%
UNITED STATES TREASURY, TREASURY BILL 3.841000%3.84%0.09%
UNITED STATES TREASURY, TREASURY BILL 3.738000%3.74%0.09%
UNITED STATES TREASURY, TREASURY NOTE 4.625000%3.92%0.07%
UNITED STATES TREASURY, TREASURY NOTE 0.500000%3.93%0.06%
UNITED STATES TREASURY, TREASURY NOTE 2.375000%3.83%0.05%
UNITED STATES TREASURY, TREASURY NOTE 4.125000%3.75%0.05%
UNITED STATES TREASURY, TREASURY NOTE 0.375000%4.02%0.04%
UNITED STATES TREASURY, TREASURY NOTE 0.875000%3.81%0.04%
UNITED STATES TREASURY, TREASURY NOTE 0.375000%3.91%0.02%
TRI-PARTY TD SECURITIES (USA) LLC 4.150000%4.15%8.78%
JP MORGAN SECURITIES LLC, TRI-PARTY J.P. MORGAN SECURITIES LLC 4.140000%4.14%7.90%
TRI-PARTY BNP PARIBAS SA 4.140000%4.14%7.02%
TRI-PARTY BOFA SECURITIES INC. 4.140000%4.14%0.18%
TRI-PARTY MIZUHO SECURITIES USA LLC 4.170000%4.17%8.78%
TRI-PARTY BOFA SECURITIES INC. 4.160000%4.16%5.44%
JP MORGAN SECURITIES LLC, TRI-PARTY J.P. MORGAN SECURITIES LLC 4.190000%4.19%0.88%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.105000%4.11%0.98%
FEDERAL HOME LOAN BANKS 3.750000%4.06%0.97%
FEDERAL HOME LOAN BANKS, FHLB 4.040000%4.06%0.80%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.175000%4.13%0.65%
FEDERAL NATIONAL MORTGAGE ASSOCIATION, FANNIE MAE 4.160000%4.12%0.64%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.080000%4.10%0.62%
FEDERAL HOME LOAN BANKS, FHLB 4.040000%4.06%0.44%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.060000%4.08%0.42%
FEDERAL HOME LOAN BANKS, FHLB 4.296000%4.06%0.35%
FEDERAL HOME LOAN BANKS, FHLB 4.350000%3.85%0.35%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.031000%4.02%0.35%
FEDERAL HOME LOAN BANKS 4.286000%4.07%0.33%
FEDERAL HOME LOAN BANKS, FHLB 4.040000%4.06%0.33%
FEDERAL NATIONAL MORTGAGE ASSOCIATION, FNMA 4.180000%4.12%0.33%
FEDERAL HOME LOAN BANKS 4.040000%4.06%0.32%
FEDERAL HOME LOAN BANKS, FHLB 4.140000%4.08%0.32%
FEDERAL HOME LOAN BANKS, FHLB 4.050000%4.06%0.28%
FEDERAL HOME LOAN BANKS, FHLB 4.330000%4.09%0.26%
FEDERAL NATIONAL MORTGAGE ASSOCIATION, FNMA 4.534000%4.13%0.26%
FEDERAL HOME LOAN BANKS, FHLB 4.407000%4.16%0.26%
FEDERAL HOME LOAN BANKS 4.226000%4.07%0.25%
FEDERAL HOME LOAN BANKS, FHLB 4.320000%4.09%0.25%
FEDERAL NATIONAL MORTGAGE ASSOCIATION, FNMA 4.520000%4.14%0.25%
FEDERAL HOME LOAN BANKS, FHLB 4.070000%4.07%0.24%
FEDERAL HOME LOAN BANKS, FHLB 4.135000%4.17%0.24%
FEDERAL HOME LOAN BANKS, FHLB 4.125000%3.99%0.23%
FEDERAL HOME LOAN BANKS, FHLB 4.266000%4.06%0.23%
FEDERAL HOME LOAN BANKS 4.040000%4.06%0.23%
FEDERAL HOME LOAN BANKS 4.288000%4.07%0.22%
FEDERAL HOME LOAN BANKS, FHLB 4.055000%4.07%0.22%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.460000%4.16%0.22%
FEDERAL HOME LOAN MORTGAGE CORPORATION, FREDDIE MAC MTN 4.487000%4.12%0.21%
FEDERAL NATIONAL MORTGAGE ASSOCIATION 4.557000%4.07%0.19%
FEDERAL HOME LOAN BANKS, FHLB 4.339000%4.10%0.19%
FEDERAL HOME LOAN MORTGAGE CORPORATION, FREDDIE MAC MTN 4.536000%4.14%0.16%
FEDERAL HOME LOAN MORTGAGE CORPORATION 4.535000%4.18%0.15%
FEDERAL HOME LOAN BANKS, FHLB 4.040000%4.06%0.14%
FEDERAL HOME LOAN BANKS, FHLB 4.065000%4.09%0.12%
FEDERAL HOME LOAN BANKS, FHLB 4.330000%4.09%0.12%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.110000%4.07%0.11%
FEDERAL HOME LOAN BANKS 4.040000%4.06%0.11%
FEDERAL HOME LOAN BANKS, FHLB 4.050000%4.07%0.11%
FEDERAL HOME LOAN BANKS, FHLB 4.040000%4.06%0.11%
FEDERAL HOME LOAN BANKS, FHLB 4.050000%4.07%0.11%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.140000%4.08%0.11%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.125000%4.14%0.09%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.105000%4.16%0.09%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.175000%4.13%0.06%
FEDERAL HOME LOAN BANKS 4.040000%4.06%0.05%
FEDERAL HOME LOAN BANKS, FHLB 4.045000%4.07%0.05%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 4.180000%4.14%0.05%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.512000%4.17%0.05%
FEDERAL FARM CREDIT BANKS FUNDING CORP 4.140000%4.10%0.04%
FEDERAL HOME LOAN BANKS, FHLB Discount NT 3.810000%3.81%0.48%
FEDERAL HOME LOAN BANKS, FHLB Discount NT 3.860000%3.86%0.40%
FEDERAL HOME LOAN BANKS, FHLB Discount NT 3.800000%3.80%0.29%
FEDERAL HOME LOAN BANKS, FHLB Discount NT 3.775000%3.78%0.19%
FEDERAL FARM CREDIT BANKS FUNDING CORP, FFCB 3.800000%3.80%0.05%