N-MFP LIVE N 2015-03-31 0000899148 S000003657 1 N N 033-59692 Security Investors, LLC 801-8008 Ernst & Young McLean VA None Rydex Fund Services, LLC 0000913181 84-05475 N N N Government/Agency 48 48 811860143.27 0.01 103698558.87 708161584.41 0.0009 0.9993 2015-03-31 0.9993 2015-03-31 C000113321 1000.00 708161584.41 1.00 -62670641.95 999267847.44 1061938489.39 0.0001 0.9993 2015-03-31 0.9993 2015-03-31 ABBOTT LABORATORIES ABBOTT LABORATORIES 0.13% 00282DRA0 Other Commercial Paper First Tier Security 2015-04-10 2015-04-10 N N N 10000000.00 9999675.00 0.0141 N 9999675.00 9999675.00 AMERICAN HONDA FINANCE AMERICAN HONDA FINANCE 0.12% 02665KTP2 Financial Company Commercial Paper First Tier Security 2015-06-23 2015-06-23 N N N 15000000.00 14995850.00 0.0212 N 14995850.00 14995850.00 ASTRAZENECA PLC ASTRAZENECA PLC 0.11% 04635RTN5 Other Commercial Paper First Tier Security 2015-06-22 2015-06-22 N N N 15000000.00 14996242.00 0.0212 N 14996242.00 14996242.00 FEDERAL HOME LOAN BANK FEDERAL HOME LOAN BANK 0.17% 3130A2LJ3 Government Agency Debt First Tier Security 2015-07-22 2015-07-22 N N N 10000000.00 10000000.00 0.0141 N 10000000.00 10000000.00 FEDERAL HOME LOAN BANK FEDERAL HOME LOAN BANK 0.17% 3130A2MC7 Government Agency Debt First Tier Security 2015-07-17 2015-07-17 N N N 10000000.00 9998752.00 0.0141 N 9998752.00 9998752.00 FEDERAL HOME LOAN BANK FEDERAL HOME LOAN BANK 0.3% 3130A3Q56 Government Agency Debt First Tier Security 2015-12-30 2015-12-30 N N N 20000000.00 20000000.00 0.0282 N 20000000.00 20000000.00 FEDERAL HOME LOAN BANK FEDERAL HOME LOAN BANK 0.35% 3130A44R0 Government Agency Debt First Tier Security 2016-03-07 2016-03-07 N N N 20000000.00 20000000.00 0.0282 N 20000000.00 20000000.00 FARMER MAC DISCOUNT NOTE FARMER MAC DISCOUNT NOTE 0.01% 31315KDU1 Government Agency Debt First Tier Security 2015-04-01 2015-04-01 N N N 100000000.00 100000000.00 0.1412 N 100000000.00 100000000.00 FARMER MAC DISCOUNT NOTE FARMER MAC DISCOUNT NOTE 0.01% 31315KDU1 Government Agency Debt First Tier Security 2015-04-01 2015-04-01 N N N 100000000.00 100000000.00 0.1412 N 100000000.00 100000000.00 FARMER MAC DISCOUNT NOTE FARMER MAC DISCOUNT NOTE 0.15% 31315KMD9 Government Agency Debt First Tier Security 2015-09-25 2015-09-25 N N N 15000000.00 14989306.00 0.0212 N 14989306.00 14989306.00 FARMER MAC DISCOUNT NOTE FARMER MAC DISCOUNT NOTE 0.17% 31315KMS6 Government Agency Debt First Tier Security 2015-10-08 2015-10-08 N N N 10000000.00 9991028.00 0.0141 N 9991028.00 9991028.00 FARMER MAC DISCOUNT NOTE FARMER MAC DISCOUNT NOTE 0.2% 31315KPD6 Government Agency Debt First Tier Security 2015-11-12 2015-11-12 N N N 8000000.00 7990250.00 0.0113 N 7990250.00 7990250.00 FARMER MAC FARMER MAC 0.23% 31315P5J4 Government Agency Debt First Tier Security 2015-09-09 2015-09-09 N N N 10000000.00 9998323.00 0.0141 N 9998323.00 9998323.00 FEDERAL FARM CREDIT DISCOUNT NOTE FEDERAL FARM CREDIT DISCOUNT NOTE 0.14% 313312MG2 Government Agency Debt First Tier Security 2015-09-28 2015-09-28 N N N 5000000.00 4996500.00 0.0071 N 4996500.00 4996500.00 FEDERAL HOME LOAN DISCOUNT NOTE FEDERAL HOME LOAN DISCOUNT NOTE 0.15% 313384MP1 Government Agency Debt First Tier Security 2015-10-05 2015-10-05 N N N 3000000.00 2997663.00 0.0042 N 2997663.00 2997663.00 FREDDIE MAC DISCOUNT NOTE FREDDIE MAC DISCOUNT NOTE 0.14% 313396MK6 Government Agency Debt First Tier Security 2015-10-01 2015-10-01 N N N 10000000.00 9992883.00 0.0141 N 9992883.00 9992883.00 FEDERAL FARM CREDIT BANK FEDERAL FARM CREDIT BANK 0.19% 3133EDWP3 Government Agency Debt First Tier Security 2015-10-01 2015-10-01 N N N 10000000.00 10000000.00 0.0141 N 10000000.00 10000000.00 GENERAL ELECTRIC CAPITAL CORP. GENERAL ELECTRIC CAPITAL CORP. 0.24% 36959JW25 Financial Company Commercial Paper First Tier Security 2015-09-02 2015-09-02 N N N 15000000.00 14984600.00 0.0212 N 14984600.00 14984600.00 GENERAL RE CORP. GENERAL RE CORP. 0.13% 37056KT83 Other Commercial Paper First Tier Security 2015-06-08 2015-06-08 N N N 15000000.00 14996317.00 0.0212 N 14996317.00 14996317.00 ING (US) FUNDING LLC ING (US) FUNDING LLC 0.24% 4497W1T30 Financial Company Commercial Paper First Tier Security 2015-06-03 2015-06-03 N N N 5000000.00 4997900.00 0.0071 N 4997900.00 4997900.00 ING (US) FUNDING LLC ING (US) FUNDING LLC 0.25% 4497W1T30 Financial Company Commercial Paper First Tier Security 2015-06-03 2015-06-03 N N N 10000000.00 9995625.00 0.0141 N 9995625.00 9995625.00 NESTLE CAPITAL CORP. NESTLE CAPITAL CORP. 0.2% 64105HUD2 Other Commercial Paper First Tier Security 2015-07-13 2015-07-13 N N N 15000000.00 14991417.00 0.0212 N 14991417.00 14991417.00 PRUDENTIAL FINANCIAL, INC. PRUDENTIAL FINANCIAL, INC. 0.2% 7443M3UA0 Financial Company Commercial Paper First Tier Security 2015-07-10 2015-07-10 N N N 15000000.00 14991667.00 0.0212 N 14991667.00 14991667.00 SHEFFIELD RECEIVABLES CORP. SHEFFIELD RECEIVABLES CORP. 0.18% 82124MS43 Asset Backed Commercial Paper First Tier Security 2015-05-04 2015-05-04 N N N 15000000.00 14997525.00 0.0212 N 14997525.00 14997525.00 SOCIETE GENERALE NORTH AMERICA, INC. SOCIETE GENERALE NORTH AMERICA, INC. 0.33% 83365ST52 Financial Company Commercial Paper First Tier Security 2015-06-05 2015-06-05 N N N 1200000.00 1199285.00 0.0017 N 1199285.00 1199285.00 UBS FINANCE DELAWARE LLC UBS FINANCE DELAWARE LLC 0.27% 90262DRH0 Financial Company Commercial Paper First Tier Security 2015-04-17 2015-04-17 N N N 15000000.00 14998200.00 0.0212 N 14998200.00 14998200.00 HSBC HOLDINGS HSBC HOLDINGS 0.03% REPO Treasury Repurchase Agreement N U.S. Treasury 2043-05-15 0 Treasury Debt 109425469.00 52235342.00 U.S. Treasury 2042-11-15 0 Treasury Debt 70344945.00 34010374.00 U.S. Treasury 2040-02-15 0 Treasury Debt 67218503.00 35241317.00 U.S. Treasury 2044-05-15 0 Treasury Debt 35328794.00 16427889.00 U.S. Treasury 2024-02-15 0 Treasury Debt 10999120.00 9199664.00 First Tier Security 2015-04-01 2015-04-01 N N N 144230067.00 144230067.00 0.2037 N 144230067.00 144230067.00 UMB FINANCIAL CORP. UMB FINANCIAL CORP. 0.03% REPO Treasury Repurchase Agreement N U.S. Treasury 2016-10-31 3.125 Treasury Debt 8597715.00 9071838.00 U.S. Treasury 2016-12-31 3.25 Treasury Debt 6252884.00 6601420.00 U.S. Treasury 2015-11-30 1.375 Treasury Debt 2342346.00 2371088.00 First Tier Security 2015-04-01 2015-04-01 N N N 17691859.00 17691859.00 0.0250 N 17691859.00 17691859.00 RBC CAPITAL MARKETS RBC CAPITAL MARKETS 0.05% REPO Treasury Repurchase Agreement N U.S. Treasury 2021-12-31 2.125 Treasury Debt 14432438.00 14977741.00 U.S. Treasury 2029-04-15 3.875 Treasury Debt 3511838.00 7476803.00 First Tier Security 2015-04-01 2015-04-01 N N N 22041416.00 22041416.00 0.0311 N 22041416.00 22041416.00 HSBC HOLDINGS HSBC HOLDINGS 0.03% REPO Treasury Repurchase Agreement N U.S. Treasury 2024-02-15 0 Treasury Debt 109638100.00 91701307.00 U.S. Treasury 2018-05-15 0 Treasury Debt 63898000.00 62112690.00 First Tier Security 2015-04-01 2015-04-01 N N N 150797795.00 150797795.00 0.2129 N 150797795.00 150797795.00