N-MFP2 0000899148 XXXXXXXX 2017-08-31 0000899148 S000003657 1 N N 033-59692 Security Investors, LLC 801-08008 Ernst & Young LLP McLean VA None Rydex Fund Services, LLC 0000913181 084-05475 N N N Exempt Government N 35 99 104084623.95 130333345.21 231285856.49 246854223.70 193990003.84 195094029.23 244212102.10 258137126.46 0.2187 0.2911 0.4528 0.4386 0.4077 0.4357 0.4781 0.4587 1613.89 543080055.81 543080055.81 399415.17 504093.82 542976991.05 542912218.58 1.0000 0.0109 1.0002 1.0003 1.0002 1.0002 C000113321 1.00 542976991.05 542912218.58 1.0002 1.0003 1.0002 1.0002 125078200.89 113332449.95 102058560.55 129999333.87 206572542.94 143478645.97 174652695.94 122789782.95 655899033.87 587751267.16 0.0012 N RBC Capital Markets RBC Capital Markets 1.00% REPOXRBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N TREASURY INFL IX N/B 2021-04-15 0.125000 7493754.90 7774770.70 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-09-01 2017-09-01 2017-09-01 N N N 0.0100 7622321.92 7622321.92 0.0140 N Y Y N HSBC Securities, Inc. HSBC Securities, Inc. 0.96% REPOXHSBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US TREASURY STRIPS PRINC 2042-11-15 0.000000 13581150.80 6718590.60 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-09-01 2017-09-01 2017-09-01 N N N 0.0096 6586850.95 6586850.95 0.0121 N Y Y N Mizuho Mizuho 1.01% REPOXMIZU U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N TREASURY BILL 2018-08-16 0.000000 7267368.30 7182848.80 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-09-01 2017-09-01 2017-09-01 N N N 0.0101 7041993.77 7041993.77 0.0130 N Y Y N Bank of America Bank of America 1.06% REPOXBANK U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 1 3/8 NOTE Q 23 2023-09-30 1.375000 11982295.50 11597224.40 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-09-01 2017-09-01 2017-09-01 N N N 0.0106 11369812.70 11369812.70 0.0209 N Y Y N BNP Paribas BNP Paribas 1.04% REPOXBNP U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 2 1/8 NOTE C 25 2018-03-29 2026-02-15 0.000000 - 2.125000 23488118.80 23194424.70 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-09-01 2017-09-01 2017-09-01 N N N 0.0104 22739625.40 22739625.40 0.0419 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 1.09% 3130A3HF4 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-12-08 2017-12-08 2017-12-08 N N N 0.0109 3000244.38 3000244.38 0.0055 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130A6G68 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-08 2017-09-08 2017-09-08 N N N 0.0108 1569927.39 1569927.39 0.0029 N N Y N Federal Home Loan Banks Federal Home Loan Banks 1.24% 3130A7YH2 US3130A7YH29 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-05 2017-09-05 2017-09-05 N N N 0.0124 100000.55 100000.55 0.0002 N N Y N Federal Home Loan Banks Federal Home Loan Banks 1.20% 3130A8F32 US3130A8F321 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-05 2017-12-05 2017-12-05 N N N 0.0120 355112.71 355112.71 0.0007 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.00% 3130A8F24 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-05 2017-12-05 2017-12-05 N N N 0.0100 1250547.76 1250547.76 0.0023 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.10% 3130A82Z5 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-11-15 2017-11-15 2017-11-15 N N N 0.0110 3500861.15 3500861.15 0.0064 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.12% 3130A9P21 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-10-06 2018-04-06 2018-04-06 N N N 0.0112 999878.69 999878.69 0.0018 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130A9HG9 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-16 2018-03-16 2018-03-16 N N N 0.0108 1260157.63 1260157.63 0.0023 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.07% 3130ABV37 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-21 2018-01-19 2018-01-19 N N N 0.0107 10000000.00 10000000.00 0.0184 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.09% 3130ABVH6 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-26 2018-04-26 2018-04-26 N N N 0.0109 29999197.05 29999197.05 0.0552 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.06% 3130ABLH7 US3130ABLH75 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-18 2017-12-18 2017-12-18 N N N 0.0106 4999876.02 4999876.02 0.0092 N N Y N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130ABLJ3 US3130ABLJ32 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-13 2017-12-13 2017-12-13 N N N 0.0108 25001180.02 25001180.02 0.0460 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.08% 3130AC6Q2 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-23 2018-03-23 2018-03-23 N N N 0.0108 61000000.00 61000000.00 0.1123 N N N N Federal Home Loan Mortgage Corporation Federal Home Loan Banks 1.07% 313370SZ2 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-08 2017-09-08 2017-09-08 N N N 0.0107 4480955.77 4480955.77 0.0083 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.12% 313385NT9 US313385NT95 U.S. Government Agency Debt N Standard & Poor's NR 2017-11-02 2017-11-02 2017-11-02 N N N 0.0112 499052.78 499052.78 0.0009 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.11% 313385QS8 U.S. Government Agency Debt N Standard & Poor's NR 2017-12-19 2017-12-19 2017-12-19 N N N 0.0111 45848187.10 45848187.10 0.0844 N N N N Federal Home Loan Banks Federal Home Loan Bank Discount Notes 1.05% 313385LH7 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-05 2017-09-05 2017-09-05 N N N 0.0105 136984.32 136984.32 0.0003 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.02% 313385LT1 U.S. Government Agency Debt N Standard & Poor's NR 2017-09-15 2017-09-15 2017-09-15 N N N 0.0102 7996857.78 7996857.78 0.0147 N N Y N Federal Farm Credit Banks Federal Farm Credit Banks 1.12% 3133EEJ68 US3133EEJ683 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2018-05-11 2018-05-11 N N N 0.0112 5006639.31 5006639.31 0.0092 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.09% 3133EETJ9 US3133EETJ91 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-12 2017-09-12 2017-09-12 N N N 0.0109 2800067.83 2800067.83 0.0052 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.10% 3133EEUZ1 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-26 2018-03-26 2018-03-26 N N N 0.0110 10009448.22 10009448.22 0.0184 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.20% 3133EEQ94 US3133EEQ944 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-27 2017-11-27 2017-11-27 N N N 0.0120 145020.93 145020.93 0.0003 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.21% 3133EEJ76 US3133EEJ766 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2017-11-13 2017-11-13 N N N 0.0121 9001001.50 9001001.50 0.0166 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.30% 3133EFDH7 US3133EFDH74 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2017-09-18 2017-09-18 N N N 0.0130 10650198.81 10650198.81 0.0196 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.28% 3133EFSD0 US3133EFSD06 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2017-09-14 2017-09-14 N N N 0.0128 30002469.87 30002469.87 0.0553 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.11% 3133EFEC7 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-18 2018-09-18 2018-09-18 N N N 0.0111 2003011.15 2003011.15 0.0037 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.12% 3133EGH73 US3133EGH732 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2018-05-14 2018-05-14 N N N 0.0112 3005302.34 3005302.34 0.0055 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.19% 3133EGGQ2 US3133EGGQ20 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2017-12-20 2017-12-20 N N N 0.0119 25010657.37 25010657.37 0.0461 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.14% 3133EGQD0 US3133EGQD07 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-01 2018-08-10 2018-08-10 N N N 0.0114 13535862.36 13535862.36 0.0249 N N N N Federal National Mortgage Association Federal National Mortgage Association 1.03% 3135G0PP2 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-09-20 2017-09-20 2017-09-20 N N N 0.0103 1199960.29 1199960.29 0.0022 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 1.24% 3137EADP1 US3137EADP18 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-07 2018-03-07 2018-03-07 N N N 0.0124 983143.11 983143.11 0.0018 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.03% 313385LL8 U.S. Government Agency Debt N Standard & Poor's AAA 2017-09-08 2017-09-08 2017-09-08 N N N 0.0103 90132207.60 90132207.60 0.1660 N N Y N United States Treasury Bill United States Treasury Bill 1.13% 912796MG1 US912796MG10 U.S. Treasury Debt N Standard & Poor's AA+ 2017-12-14 2017-12-14 2017-12-14 N N N 0.0113 82235439.28 82235439.28 0.1515 N Y Y N U.S. Government Money Market Fund 2017-09-06 James Howley James Howley Assistant Treasurer