N-MFP2/A 0000899148 XXXXXXXX 2017-02-28 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 36 99 158715127.85 120358136.43 155894775.98 118374836.84 184510795.90 215443494.96 236059998.05 240240457.16 0.2984 0.2134 0.2723 0.2053 0.3469 0.3821 0.4123 0.4167 31.21 516037182.34 516037182.34 348932.71 408999.58 515977146.68 515922835.42 1.0000 0.0064 1.0002 1.0002 1.0003 1.0003 C000113321 1.00 515977146.68 515922835.42 1.0002 1.0002 1.0003 1.0003 115100100.61 132560980.24 131767189.52 99884002.31 99975691.33 91428656.64 78598017.19 74623155.17 419594416.22 411788571.98 0.0001 Y Security Investors LLC, voluntary waiver, 136802.17; 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 TREASURY INFL IX N/B 2019-07-15 1.880000 24358600.00 29568551.60 U.S. Treasuries (including strips) N Standard & Poor's NR 2017-03-01 2017-03-01 2017-03-01 N N N 0.0046 28988672.74 28988672.74 0.0562 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 0.58% 3130A2A63 US3130A2A630 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-20 2017-03-20 2017-03-20 N N N 0.0058 2300049.43 2300049.43 0.0045 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.53% 3130A4KD3 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-09 2017-03-09 2017-03-09 N N N 0.0053 7905419.18 7905419.18 0.0153 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.78% 3130A7YH2 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-05 2017-09-05 2017-09-05 N N N 0.0078 100025.94 100025.94 0.0002 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.74% 3130A8F32 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-05 2017-12-05 2017-12-05 N N N 0.0074 355328.73 355328.73 0.0007 N N N N Federal Agricultural Mortgage Corp Discount Notes Federal Agricultural Mortgage Corp Discount Notes 31315LMM7 US31315LMM71 U.S. Government Agency Debt N Standard & Poor's NR 2017-10-03 2017-10-03 2017-10-03 N N N 0.0088 3979360.00 3979360.00 0.0077 N N N N Federal Agricultural Mortgage Corp Federal Agricultural Mortgage Corp 0.75% 3132X0FQ9 US3132X0FQ91 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-21 2017-03-21 2017-03-21 N N N 0.0075 50004326.88 50004326.88 0.0969 N N N N Federal Agricultural Mortgage Corp Federal Agricultural Mortgage Corp 0.76% 3132X0GK1 US3132X0GK13 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-05-11 2017-05-11 2017-05-11 N N N 0.0076 12004061.03 12004061.03 0.0233 N N N N Federal Farm Credit Discount Notes Federal Farm Credit Discount Notes 0.62% 313313HR2 US313313HR27 U.S. Government Agency Debt N Standard & Poor's NR 2017-07-03 2017-07-03 2017-07-03 N N N 0.0062 14968483.33 14968483.33 0.0290 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.61% 313379DD8 US313379DD85 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-06-21 2017-06-21 2017-06-21 N N N 0.0061 5977226.99 5977226.99 0.0116 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.59% 313379FW4 US313379FW49 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-06-09 2017-06-09 2017-06-09 N N N 0.0059 31691263.87 31691263.87 0.0614 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.53% 313385CU8 U.S. Government Agency Debt N Standard & Poor's NR 2017-03-08 2017-03-08 2017-03-08 N N N 0.0053 799921.44 799921.44 0.0016 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.49% 313385CW4 US313385CW44 U.S. Government Agency Debt N Standard & Poor's NR 2017-03-10 2017-03-10 2017-03-10 N N N 0.0049 3490581.08 3490581.08 0.0068 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.54% 313385EF9 U.S. Government Agency Debt N Standard & Poor's NR 2017-04-12 2017-04-12 2017-04-12 N N N 0.0054 2998127.50 2998127.50 0.0058 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.54% 313385DY9 U.S. Government Agency Debt N Standard & Poor's NR 2017-04-05 2017-04-05 2017-04-05 N N N 0.0054 49974041.67 49974041.67 0.0969 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.53% 313385DA1 U.S. Government Agency Debt N Standard & Poor's NR 2017-03-14 2017-03-14 2017-03-14 N N N 0.0053 1899643.22 1899643.22 0.0037 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.51% 313385CM6 U.S. Government Agency Debt N Standard & Poor's NR 2017-03-01 2017-03-01 2017-03-01 N N N 0.0051 1999000.00 1999000.00 0.0039 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.5% 313385CN4 U.S. Government Agency Debt N Standard & Poor's NR 2017-03-02 2017-03-02 2017-03-02 N N N 0.0050 24999659.72 24999659.72 0.0485 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.51% 313385CS3 U.S. Government Agency Debt N Standard & Poor's NR 2017-03-06 2017-03-06 2017-03-06 N N N 0.0051 19998611.11 19998611.11 0.0388 N N Y N Federal Farm Credit Banks Federal Farm Credit Banks 0.75% 3133EDX64 US3133EDX645 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-04-10 2017-04-10 N N N 0.0075 4999999.73 4999999.73 0.0097 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.75% 3133EDWL2 US3133EDWL28 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-07-03 2017-07-03 N N N 0.0075 10000688.09 10000688.09 0.0194 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.6% 3133EERF9 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-07 2017-04-27 2017-04-27 N N N 0.0060 3000384.91 3000384.91 0.0058 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.74% 3133EEQ94 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-27 2017-11-27 2017-11-27 N N N 0.0074 145065.71 145065.71 0.0003 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.80% 3133EEJ76 US3133EEJ766 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-07 2017-11-13 2017-11-13 N N N 0.0080 9003553.46 9003553.46 0.0174 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.7% 3133EFNP8 US3133EFNP80 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-07 2017-06-12 2017-06-12 N N N 0.0070 7001590.29 7001590.29 0.0136 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.82% 3133EF3X3 US3133EF3X35 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-08-21 2017-08-21 N N N 0.0082 60008696.45 60008696.45 0.1163 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.8% 3133EFFV4 US3133EFFV41 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-05-30 2017-05-30 N N N 0.0080 10862998.43 10862998.43 0.0211 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.8% 3133EFQF7 US3133EFQF71 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-05-23 2017-05-23 N N N 0.0080 10001422.74 10001422.74 0.0194 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.791% 3133EFDH7 US3133EFDH74 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-09-18 2017-09-18 N N N 0.0079 10652351.97 10652351.97 0.0206 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.775% 3133EFSD0 US3133EFSD06 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-09-14 2017-09-14 N N N 0.0078 30037436.34 30037436.34 0.0582 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.68% 3133EGGQ2 US3133EGGQ20 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-01 2017-12-20 2017-12-20 N N N 0.0068 25028316.79 25028316.79 0.0485 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 0.6% 3134G6R70 US3134G6R700 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-05-26 2017-05-26 2017-05-26 N N N 0.0060 2500861.87 2500861.87 0.0048 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 0.61% 3134G72G5 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-03-20 2017-04-20 2017-04-20 N N N 0.0061 3961041.71 3961041.71 0.0077 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 0.78% 3134G8L49 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-08-25 2017-08-25 2017-08-25 N N N 0.0078 2400229.55 2400229.55 0.0047 N N N N Federal National Mortgage Association Federal National Mortgage Association 0.61% 31359MEL3 US31359MEL37 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-06-01 2017-06-01 2017-06-01 N N N 0.0061 4742739.88 4742739.88 0.0092 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 0.62% 3137EADH9 US3137EADH91 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-06-29 2017-06-29 2017-06-29 N N N 0.0062 10012643.03 10012643.03 0.0194 N N N N Federal National Mortgage Association Federal National Mortgage Association 0.62% 31398ADM1 US31398ADM18 U.S. Government Agency Debt N Standard & Poor's AA+ 2017-06-12 2017-06-12 2017-06-12 N N N 0.0062 2328849.41 2328849.41 0.0045 N N N N United States Treasury Bill United States Treasury Bill 0.66% 912796LE7 US912796LE70 U.S. Treasury Debt N Standard & Poor's NR 2017-06-15 2017-06-15 2017-06-15 N N N 0.0066 44914508.12 44914508.12 0.0870 N Y Y N U.S. Government Money Market Fund 2017-03-06 James Howley James Howley Assistant Treasurer