N-MFP2 0000899148 XXXXXXXX 2018-02-28 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 46 84 71509134.10 131475345.02 155509176.80 163855201.58 150726970.72 209108880.04 339367946.77 276878513.57 0.1679 0.2697 0.2459 0.2875 0.3538 0.4289 0.5367 0.4858 897.27 581459018.57 581459018.57 309911.20 612996.32 581156830.72 581069069.66 1.0000 0.0147 1.0002 1.0001 1.0000 1.0000 C000113321 1.00 581156830.72 581069069.66 1.0002 1.0001 1.0000 1.0000 126185631.96 157050646.43 202253266.66 140906900.68 244675582.50 114752658.37 93096820.93 140506856.64 688194764.35 541216576.69 0.0055 N BANK OF AMERICA BANK OF AMERICA 1.38% REPOXBANK U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 1 3/4 NOTE K 22 2019-10-15 2022-04-30 1.000000 - 1.750000 8497050.90 8294533.90 U.S. Treasuries (including strips) N Standard & Poor's NR 2018-03-01 2018-03-01 2018-03-01 N N N 0.0138 8131886.70 8131886.70 0.0140 N Y Y N JP MORGAN CHASE & CO. JP MORGAN CHASE & CO. 1.36% REPOXJPM U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N 2 5/8 NOTE F 20 2020-04-15 2024-02-29 1.375000 - 2.750000 24863697.00 24622439.90 U.S. Treasuries (including strips) N Standard & Poor's NR 2018-03-01 2018-03-01 2018-03-01 N N N 0.0136 24139637.14 24139637.14 0.0415 N Y Y N Federal Home Loan Mortgage Corporation Federal Home Loan Banks 1.74% 3130A6AE7 US3130A6AE70 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-09-14 2018-09-14 2018-09-14 N N N 0.0174 1599737.26 1599737.26 0.0028 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.46% 3130A7H73 US3130A7H733 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-29 2018-03-29 2018-03-29 N N N 0.0146 2998944.08 2998944.08 0.0052 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.53% 3130A9M73 US3130A9M739 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-26 2018-03-26 2018-03-26 N N N 0.0153 3499878.09 3499878.09 0.0060 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.43% 3130A9HG9 US3130A9HG94 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-16 2018-03-16 2018-03-16 N N N 0.0143 1260012.18 1260012.18 0.0022 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.52% 3130A9P21 US3130A9P211 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-04-06 2018-04-06 2018-04-06 N N N 0.0152 999979.56 999979.56 0.0017 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.43% 3130A9LK5 US3130A9LK50 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-23 2018-03-23 2018-03-23 N N N 0.0143 5500719.22 5500719.22 0.0095 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.48% 3130AAPE2 US3130AAPE26 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-23 2018-07-23 2018-07-23 N N N 0.0148 1500369.57 1500369.57 0.0026 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.50% 3130ABVH6 US3130ABVH65 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-26 2018-04-26 2018-04-26 N N N 0.0150 29999804.78 29999804.78 0.0516 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.46% 3130ACUH5 US3130ACUH57 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-22 2018-08-22 2018-08-22 N N N 0.0148 45000000.00 45000000.00 0.0774 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.48% 3130ACUN2 US3130ACUN26 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-23 2018-11-23 2018-11-23 N N N 0.0150 9000000.00 9000000.00 0.0155 N N N N Federal Home Loan Banks Federal Home Loan Banks 1.48% 3130AC6Q2 US3130AC6Q24 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-23 2018-03-23 2018-03-23 N N N 0.0148 65000108.24 65000108.24 0.1118 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.51% 3130AD3B6 US3130AD3B63 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-25 2018-06-25 2018-06-25 N N N 0.0151 27000000.00 27000000.00 0.0465 N N N N Federal Home Loan Mortgage Corporation Federal Farm Credit Banks 1.55% 31331KNA4 US31331KNA42 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-06-08 2018-06-08 2018-06-08 N N N 0.0155 1464071.91 1464071.91 0.0025 N N N N Federal Home Loan Mortgage Corporation Federal Farm Credit Banks 1.76% 31331Y4S6 US31331Y4S64 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-08-01 2018-08-01 2018-08-01 N N N 0.0176 101380.48 101380.48 0.0002 N N N N Federal Home Loan Bank Federal Home Loan Banks 1.40% 313378A43 US313378A439 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-09 2018-03-09 2018-03-09 N N N 0.0140 5590206.34 5590206.34 0.0096 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.41% 313385UN4 US313385UN43 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-21 2018-03-21 2018-03-21 N N N 0.0136 22982111.11 22982111.11 0.0395 N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.84% 313385R73 US313385R735 U.S. Government Agency Debt N Standard & Poor's NR 2018-12-03 2018-12-03 2018-12-03 N N N 0.0184 690412.72 690412.72 0.0012 N N N N Federal Home Loan Bank FED HOME LN DISCOUNT NT 1.39% 313385UF1 US313385UF19 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-14 2018-03-14 2018-03-14 N N N 0.0139 4327865.67 4327865.67 0.0074 N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.41% 313385UN4 US313385UN43 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-21 2018-03-21 2018-03-21 N N N 0.0136 4396565.56 4396565.56 0.0076 N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.72% 313385R81 US313385R818 U.S. Government Agency Debt N Standard & Poor's NR 2018-12-04 2018-12-04 2018-12-04 N N N 0.0172 8390383.06 8390383.06 0.0144 N N N N Federal Home Loan Bank FED HOME LN DISCOUNT NT 1.39% 313385UF1 US313385UF19 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-14 2018-03-14 2018-03-14 N N N 0.0139 17291472.54 17291472.54 0.0298 N Y N Federal Home Loan Bank FED HOME LN DISCOUNT NT 1.39% 313385UF1 US313385UF19 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-14 2018-03-14 2018-03-14 N N N 0.0139 25237781.81 25237781.81 0.0434 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.20% 313385UL8 US313385UL86 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-19 2018-03-19 2018-03-19 N N N 0.0120 9994100.00 9994100.00 0.0172 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 1.41% 313385UN4 US313385UN43 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-21 2018-03-21 2018-03-21 N N N 0.0136 4996319.44 4996319.44 0.0086 N N Y N FED HOME LN DISCOUNT NT FED HOME LN DISCOUNT NT 1.37% 313385UD6 US313385UD60 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-12 2018-03-12 2018-03-12 N N N 0.0137 940611.84 940611.84 0.0016 N N Y N Federal Home Loan Bank FED HOME LN DISCOUNT NT 1.52% 313385UT1 US313385UT13 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-26 2018-03-26 2018-03-26 N N N 0.0152 1198750.00 1198750.00 0.0021 N N Y N Federal Home Loan Bank FED HOME LN DISCOUNT NT 1.34% 313385TS5 US313385TS58 U.S. Government Agency Debt N Standard & Poor's AAA 2018-03-01 2018-03-01 2018-03-01 N N N 0.0134 2950000.00 2950000.00 0.0051 N Y Y N FED HOME LN DISCOUNT NT FED HOME LN DISCOUNT NT 1.35% 313385TX4 US313385TX44 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-06 2018-03-06 2018-03-06 N N N 0.0135 20296250.14 20296250.14 0.0349 N N Y N Federal Farm Credit Banks Federal Farm Credit Banks 1.42% 3133EEZ52 US3133EEZ523 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-22 2018-03-22 2018-02-22 N N N 0.0140 500067.71 500067.71 0.0009 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.37% 3133EEJ68 US3133EEJ683 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-01 2018-05-11 2018-02-01 N N N 0.0137 5001914.90 5001914.90 0.0086 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.48% 3133EEUZ1 US3133EEUZ15 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-26 2018-03-26 2018-03-26 N N N 0.0148 10001158.39 10001158.39 0.0172 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.40% 3133EEDP2 US3133EEDP26 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-02 2018-03-02 2018-03-02 N N N 0.0120 8130017.42 8130017.42 0.0140 N N Y N Federal Farm Credit Banks Federal Farm Credit Banks 1.49% 3133EFWG8 US3133EFWG80 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-26 2018-03-26 2018-02-26 N N N 0.0149 1480350.36 1480350.36 0.0025 N N N N Federal Farm Credit Bank Federal Farm Credit Banks 1.45% 3133EFEC7 US3133EFEC78 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-18 2018-09-18 2018-03-18 N N N 0.0145 2001579.30 2001579.30 0.0034 N N N N Federal Farm Credit Banks FEDERAL FARM CREDIT BANK 1.47% 3133EGCH6 US3133EGCH66 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-25 2018-05-25 2018-05-25 N N N 0.0147 16010040.70 16010040.70 0.0275 N N N N Federal Farm Credit Bank Federal Farm Credit Banks 1.59% 3133EGJT3 US3133EGJT32 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-07-05 2018-07-05 2018-07-05 N N N 0.0159 4985926.42 4985926.42 0.0086 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.37% 3133EGH73 US3133EGH732 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-01 2018-05-14 2018-02-01 N N N 0.0137 3001575.37 3001575.37 0.0052 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 1.39% 3133EGQD0 US3133EGQD07 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-01 2018-08-10 2018-02-01 N N N 0.0139 13517082.45 13517082.45 0.0233 N N N N Federal Home Loan Mortgage Corporation Federal Farm Credit Banks 1.54% 3133EGEQ4 US3133EGEQ48 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-06-13 2018-06-13 2018-06-13 N N N 0.0154 3473383.24 3473383.24 0.0060 N N N N FEDERAL FARM CREDIT BANK FEDERAL FARM CREDIT BANK 1.45% 3133EJDT3 US3133EJDT35 U.S. Government Agency Debt N Standard & Poor's NR 2018-03-01 2019-02-20 2019-02-20 N N N 0.0145 14999268.83 14999268.83 0.0258 N N N N Federal Home Loan Mortgage Corporation Federal National Mortgage Association 1.61% 31359MSD6 US31359MSD64 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-06-05 2018-06-05 2018-06-05 N N N 0.0161 393073.42 393073.42 0.0007 N N N N Fannie Mae Federal National Mortgage Association 1.45% 3135G0L35 US3135G0L358 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-21 2018-03-21 2018-03-21 N N N 0.0145 8555759.50 8555759.50 0.0147 N N N N Federal Home Loan Mortgage Corporation Federal National Mortgage Association 1.68% 3135G0M75 US3135G0M752 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-07-27 2018-07-27 2018-07-27 N N N 0.0168 647877.82 647877.82 0.0011 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 1.54% 3137EABP3 US3137EABP36 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-06-13 2018-06-13 2018-06-13 N N N 0.0154 3452574.45 3452574.45 0.0059 N N N N Federal Home Loan Mortgage Corp Federal Home Loan Mortgage Corp 1.36% 3137EADP1 US3137EADP18 U.S. Government Agency Debt N Standard & Poor's AA+ 2018-03-07 2018-03-07 2018-03-07 N N N 0.0125 3995697.99 3995697.99 0.0069 N N Y N TREASURY BILL TREASURY BILL 1.7% 912796PU7 US912796PU76 U.S. Treasury Debt N Standard & Poor's NR 2018-08-09 2018-08-09 2018-08-09 N N N 0.0170 17866200.53 17866200.53 0.0307 N Y N TREASURY BILL TREASURY BILL 1.7% 912796PU7 US912796PU76 U.S. Treasury Debt N Standard & Poor's NR 2018-08-09 2018-08-09 2018-08-09 N N N 0.0170 22332750.67 22332750.67 0.0384 N Y N U.S. Treasury Bill United States Treasury Bill 1.38% 912796NX3 US912796NX34 U.S. Treasury Debt N Standard & Poor's NR 2018-03-22 2018-03-22 2018-03-22 N N N 0.0138 39967858.33 39967858.33 0.0688 N Y Y N TREASURY BILL TREASURY BILL 1.7% 912796PU7 US912796PU76 U.S. Treasury Debt N Standard & Poor's NR 2018-08-09 2018-08-09 2018-08-09 N N N 0.0170 44665501.33 44665501.33 0.0769 N Y Y N U.S. Government Money Market Fund 2018-03-07 James Howley James Howley Assistant Treasurer