N-MFP2 0001064046 XXXXXXXX 2017-01-31 0001064046 S000003710 1 N N 333-57017 Security Investors, LLC 801-08008 Ernst & Young LLP McLean VA None Rydex Fund Services, LLC 0000913181 084-05475 N N N Exempt Government N 31 79 16360682.12 18134448.14 10289987.81 11919565.27 23259830.47 23134003.91 21839299.60 20017866.49 0.2593 0.2880 0.1650 0.1969 0.3686 0.3674 0.3502 0.3306 17386.92 60029420.93 60029420.93 48711.96 119654.69 59975865.12 59957145.33 1.0000 0.0065 1.0004 1.0004 1.0005 1.0005 C000010379 1.00 59975865.12 59957145.33 1.0004 1.0004 1.0005 1.0005 3244937.03 1568807.96 2271049.58 2392431.60 689625.24 1300341.07 2847824.86 4671476.23 9891144.10 11195151.55 0.0001 Y Security Investors LLC, voluntary waiver, 37342.11; RBC Capital Markets RBC Capital Markets 0.46% REPOXRBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N U.S. TREASURY NOTES 2019-07-31 2028-04-15 1.630000 - 3.630000 3242515.40 5468008.30 U.S. Treasuries (including strips) Y Standard & Poor's NR 2017-02-01 2017-02-01 2017-02-01 N N N 0.0046 5360788.45 5360788.45 0.0894 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 0.59% 3130A4F72 US3130A4F726 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-24 2017-02-24 2017-02-24 N N N 0.0059 500035.08 500035.08 0.0083 N N N N Federal Agricultural Mortgage Corp Discount Notes Federal Agricultural Mortgage Corp Discount Notes 0.88% 31315LMM7 US31315LMM71 U.S. Government Agency Debt Y Standard & Poor's NR 2017-10-03 2017-10-03 2017-10-03 N N N 0.0088 497085.55 497085.55 0.0083 N N N N Federal Agricultural Mortgage Corp Discount Notes Federal Agricultural Mortgage Corp Discount Notes 0.56% 31315LBH0 US31315LBH06 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-01 2017-02-01 2017-02-01 N N N 0.0056 1000000.00 1000000.00 0.0167 N Y Y N Federal Agricultural Mortgage Corp Federal Agricultural Mortgage Corp 0.61% 3132X0GK1 US3132X0GK13 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-11 2017-05-11 2017-05-11 N N N 0.0061 8003761.84 8003761.84 0.1334 N N N N Federal Farm Credit Discount Notes Federal Farm Credit Discount Notes 0.77% 313313HM3 US313313HM30 U.S. Government Agency Debt Y Standard & Poor's NR 2017-06-29 2017-06-29 2017-06-29 N N N 0.0077 54830.42 54830.42 0.0009 N N N N Federal Farm Credit Discount Notes Federal Farm Credit Discount Notes 0.84% 313313GX0 US313313GX04 U.S. Government Agency Debt Y Standard & Poor's NR 2017-06-15 2017-06-15 2017-06-15 N N N 0.0084 70783.29 70783.29 0.0012 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.53% 313385BQ8 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-08 2017-02-08 2017-02-08 N N N 0.0053 999898.89 999898.89 0.0167 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.52% 313385CK0 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-27 2017-02-27 2017-02-27 N N N 0.0052 499814.02 499814.02 0.0083 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.52% 313385CL8 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-28 2017-02-28 2017-02-28 N N N 0.0052 499808.75 499808.75 0.0083 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.54% 313385CW4 US313385CW44 U.S. Government Agency Debt Y Standard & Poor's NR 2017-03-10 2017-03-10 2017-03-10 N N N 0.0054 699618.70 699618.70 0.0117 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.51% 313385BR6 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-09 2017-02-09 2017-02-09 N N N 0.0051 999887.78 999887.78 0.0167 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.52% 313385BV7 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-13 2017-02-13 2017-02-13 N N N 0.0052 1299779.00 1299779.00 0.0217 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.52% 313385CE4 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-22 2017-02-22 2017-02-22 N N N 0.0052 799762.00 799762.00 0.0133 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.53% 313385BS4 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-10 2017-02-10 2017-02-10 N N N 0.0053 799896.00 799896.00 0.0133 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.51% 313385BK1 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-03 2017-02-03 2017-02-03 N N N 0.0051 699980.36 699980.36 0.0117 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes 0.53% 313397BP5 U.S. Government Agency Debt Y Standard & Poor's NR 2017-02-07 2017-02-07 2017-02-07 N N N 0.0053 899922.00 899922.00 0.0150 N N Y N Federal Farm Credit Banks Federal Farm Credit Banks 0.75% 3133EDX64 US3133EDX645 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-01 2017-04-10 2017-04-10 N N N 0.0075 9999999.87 9999999.87 0.1667 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.954% 3133EDJX1 US3133EDJX13 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-17 2017-04-17 2017-04-17 N N N 0.0095 334913.34 334913.34 0.0056 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.75% 3133EDVP4 US3133EDVP41 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-01 2017-03-22 2017-03-22 N N N 0.0075 4199941.34 4199941.34 0.0700 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.685% 3133EEJ76 US3133EEJ766 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-07 2017-11-13 2017-11-13 N N N 0.0079 999607.34 999607.34 0.0167 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.62% 3133EEX62 US3133EEX627 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-06-16 2017-06-16 2017-06-16 N N N 0.0062 400263.54 400263.54 0.0067 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.7% 3133EFDH7 US3133EFDH74 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-01 2017-09-18 2017-09-18 N N N 0.0070 685560.49 685560.49 0.0114 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.783% 3133EFRY5 US3133EFRY51 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-01 2017-06-14 2017-06-14 N N N 0.0078 1100518.42 1100518.42 0.0183 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.5% 3133EFLM7 US3133EFLM77 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-03-27 2017-03-27 2017-03-27 N N N 0.0050 2000051.33 2000051.33 0.0333 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.72% 3133EGGN9 US3133EGGN98 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-01 2017-02-21 2017-02-21 N N N 0.0072 5000000.00 5000000.00 0.0834 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.61% 3133XKWG6 US3133XKWG64 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-06-09 2017-06-09 2017-06-09 N N N 0.0061 101539.57 101539.57 0.0017 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.6% 3133XL4N0 US3133XL4N00 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-06-05 2017-06-05 2017-06-05 N N N 0.0060 573924.98 573924.98 0.0096 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.61% 3133XYHU2 US3133XYHU28 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-06-09 2017-06-09 2017-06-09 N N N 0.0061 176696.74 176696.74 0.0029 N N N N Federal National Mortgage Association Federal National Mortgage Association 0.7% 3135G0F57 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-02-05 2017-10-05 2017-10-05 N N N 0.0070 2381471.15 2381471.15 0.0397 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 0.62% 3137EADH9 US3137EADH91 U.S. Government Agency Debt Y Standard & Poor's AA+ 2017-06-29 2017-06-29 2017-06-29 N N N 0.0062 3401294.16 3401294.16 0.0567 N N N N United States Treasury Bill United States Treasury Bill 0.66% 912796LE7 US912796LE70 U.S. Treasury Debt Y Standard & Poor's NR 2017-06-15 2017-06-15 2017-06-15 N N N 0.0066 4987986.53 4987986.53 0.0832 N Y Y N U.S. Government Money Market Fund 2017-02-06 James Howley James Howley Assistant Treasurer