N-MFP1 0000899148 XXXXXXXX 2016-07-31 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 Government/Agency N 22 56 326679592.14 301049430.20 207978914.42 121534935.76 310029784.75 521171202.90 420998650.06 380401452.35 468933394.81 560588268.40 0.4115 0.3664 0.2894 0.1832 0.4486 0.6565 0.5123 0.5293 0.7068 0.8112 2113736.02 688872810.44 688872810.44 104733.56 199657.93 690891622.09 690926936.55 1.0000 0.0036 0.9999 0.9999 0.9999 0.9999 1.0000 C000113321 1.00 690891622.09 690926936.55 0.9999 0.9999 0.9999 0.9999 1.0000 408378072.95 299308855.66 153112778.65 161205151.71 138043941.92 205080849.33 106677681.83 161905211.74 190529794.43 163007999.93 644608045.95 716369388.50 0.0001 Y Security Investors LLC, voluntary waiver, 340336.36; UMB Financial Corp. Ginnie Mae 0.0026% REPOXUMB U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N Ginnie Mae 2044-10-20 2057-03-16 2.500000 - 2.900000 3284448.00 3398029.40 Agency Debentures and Agency Strips Unrated Security Standard & Poor's NR 2016-08-01 2016-08-01 2016-08-01 N N N 0.0026 3319707.54 3319707.54 0.0048 N Y Y N RBC CAPITAL MARKETS RBC CAPITAL MARKETS 0.0024% REPOXRBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N TREASURY INFL IX N/B 2018-06-30 2029-04-15 0.625000 - 3.875000 60646511.50 95959450.70 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-08-01 2016-08-01 2016-08-01 N N N 0.0024 94234649.87 94234649.87 0.1364 N Y Y N MIZUHO MIZUHO 0.0031% REPOXMIZU U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US TREASURY BILL 2017-01-12 0.000000 10939946.80 10922661.70 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-08-01 2016-08-01 2016-08-01 N N N 0.0031 10708482.94 10708482.94 0.0155 N Y Y N HSBC SECURITIES, INC. HSBC SECURITIES, INC. 0.0026% REPOXHSBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US TREASURY STRIPS PRINC 2040-05-15 0.000000 283069939.30 169052375.40 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-08-01 2016-08-01 2016-08-01 N N N 0.0026 165737586.22 165737586.22 0.2399 N Y Y N DEUTSCHE BANK AG DEUTSCHE BANK AG 0.0034% REPOXDEUT U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N U.S. TREASURY NOTES 2020-02-15 3.625000 8209105.20 9101397.50 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-08-01 2016-08-01 2016-08-01 N N N 0.0034 8923735.78 8923735.78 0.0129 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 0.0042% 3130A7AA3 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-26 2016-10-26 2016-10-26 N N N 0.0042 5001546.11 5001546.11 0.0072 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 0.0054% 3130A8MB6 US3130A8MB69 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-28 2017-06-28 2017-06-28 N N N 0.0054 35000000.00 35000000.00 0.0507 N Y Y N Federal Agricultural Mortgage Corp Federal Agricultural Mortgage Corp 0.0053% 3132X0GK1 US3132X0GK13 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-11 2017-05-11 2017-05-11 N N N 0.0053 19998692.09 19998692.09 0.0289 N Y Y N Federal Home Loan Banks Federal Home Loan Banks 0.0044% 313371PV2 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-12-09 2016-12-09 2016-12-09 N N N 0.0044 13013623.38 13013623.38 0.0188 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0032% 313384E21 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-08-31 2016-08-31 2016-08-31 N N N 0.0032 24993437.50 24993437.50 0.0362 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0034% 313384E96 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-09-07 2016-09-07 2016-09-07 N N N 0.0034 102964582.79 102964582.79 0.1490 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0033% 313384D30 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-08-24 2016-08-24 2016-08-24 N N N 0.0032 1699695.89 1699695.89 0.0025 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0051% 313384T33 US313384T338 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-12-14 2016-12-14 2016-12-14 N N N 0.0051 5988750.00 5988750.00 0.0087 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0030% 313384A82 US313384A825 U.S. Government Agency Debt First Tier Security Standard & Poor's AAA 2016-08-05 2016-08-05 2016-08-05 N N N 0.0030 2449918.33 2449918.33 0.0035 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0033% 313384F87 US313384F873 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-09-14 2016-09-14 2016-09-14 N N N 0.0033 35985480.00 35985480.00 0.0521 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0054% 313384P94 US313384P948 U.S. Government Agency Debt First Tier Security Standard & Poor's AAA 2016-11-18 2016-11-18 2016-11-18 N N N 0.0054 4053484.83 4053484.83 0.0059 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0033% 313384G29 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-09-16 2016-09-16 2016-09-16 N N N 0.0033 80966035.39 80966035.39 0.1172 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.0042% 313384F38 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-09-09 2016-09-09 2016-09-09 N N N 0.0042 1499333.75 1499333.75 0.0022 N Y Y N Federal Farm Credit Banks Federal Farm Credit Banks 0.0055% 3133EFQF7 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-01 2017-05-23 2017-05-23 N N N 0.0055 10004933.92 10004933.92 0.0145 N Y Y N Federal Farm Credit Banks Federal Farm Credit Banks 0.0042% 3133EFNS2 US3133EFNS20 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-01 2016-08-12 2016-08-12 N N N 0.0042 14050513.15 14050513.15 0.0203 N Y Y N Federal Farm Credit Banks Federal Farm Credit Banks 0.0047% 3133EGGN9 US3133EGGN98 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-01 2017-02-21 2017-02-21 N N N 0.0047 20000000.00 20000000.00 0.0289 N Y Y N Federal National Mortgage Association Federal National Mortgage Association 0.0034% 3135G0YE7 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-26 2016-08-26 2016-08-26 N N N 0.0041 3280641.79 3280641.79 0.0047 N Y Y N United States Treasury Bill United States Treasury Bill 0.0029% 912796JF7 US912796JF73 U.S. Treasury Debt First Tier Security Standard & Poor's NR 2016-08-11 2016-08-11 2016-08-11 N N N 0.0029 24997979.17 24997979.17 0.0362 N Y Y N U.S. Government Money Market Fund 2016-08-05 Paul Davio Paul Davio Assistant Treasurer