N-MFP1/A 0000899148 XXXXXXXX 2016-05-31 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 16 46 148202997.97 126215158.08 111186070.24 175588439.81 292966123.11 310978282.89 288314049.29 362376780.26 0.2362 0.1934 0.1779 0.2454 0.4668 0.4765 0.4612 0.5065 6038.94 753618556.83 753618556.83 439797.83 465149.40 753599244.20 753722006.66 1.0000 0.0038 0.9999 0.9999 0.9998 0.9998 C000113321 1.00 753599244.20 753722006.66 0.9999 0.9999 0.9998 0.9998 283213223.49 332541318.65 295748234.62 270696929.19 252367902.32 280019008.88 305902059.74 215552721.91 1205020347.81 1128051477.53 0.0001 Y Security Investors LLC, voluntary waiver, 320576.25; HSBC SECURITIES, INC. HSBC SECURITIES, INC. 0.18% REPOXHSBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US TREASURY STRIPS PRINC 2043-02-15 0.000000 120742729.40 58376694.80 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-06-01 2016-06-01 2016-06-01 N N N 0.0018 57232047.69 57232047.69 0.0759 N Y Y N MIZUHO MIZUHO 0.26% REPOXMIZU U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US TREASURY BILL 2017-02-02 0.000000 27846979.80 27750072.30 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-06-01 2016-06-01 2016-06-01 N N N 0.0026 27205933.09 27205933.09 0.0361 N Y Y N RBC CAPITAL MARKETS RBC CAPITAL MARKETS 0.25% REPOXRBC U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N TREASURY INFL IX N/B 2020-04-15 2021-07-15 0.125000 - 0.625000 61692511.30 67693750.30 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-06-01 2016-06-01 2016-06-01 N N N 0.0025 66639523.42 66639523.42 0.0884 N Y Y N DEUTSCHE BANK AG DEUTSCHE BANK AG 0.27% REPOXDEUT U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N U.S. TREASURY NOTES 2022-03-31 1.750000 1559124.70 1577685.30 U.S. Treasuries (including strips) Unrated Security Standard & Poor's NR 2016-06-01 2016-06-01 2016-06-01 N N N 0.0027 1546812.10 1546812.10 0.0021 N Y Y N ABN Amro Funding USA LLC ABN Amro Funding USA LLC 0.6% 00084BG57 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-05 2016-07-05 2016-07-05 N N N 0.0060 14991500.00 14991500.00 0.0199 N N N N AllianceBernstein LP AllianceBernstein LP 0.62% 01854VGN0 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-22 2016-07-22 2016-07-22 N N N 0.0062 9991216.67 9991216.67 0.0133 N N N N Allianz Finance Corp Allianz Finance Corp 0.53% 0188E2FQ1 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-06-24 2016-06-24 2016-06-24 N N N 0.0053 4998306.95 4998306.95 0.0066 N N N N Bank of Montreal Bank of Montreal 0.62% 06366RPR0 US06366RPR02 Non-U.S. Sovereign, Sub-Sovereign and Supra-National debt First Tier Security Standard & Poor's A+ 2016-07-15 2016-07-15 2016-07-15 N N N 0.0062 9157445.51 9157445.51 0.0122 N N N N Bank of Montreal Bank of Montreal 0.68% 06366RPS8 Non-U.S. Sovereign, Sub-Sovereign and Supra-National debt First Tier Security Standard & Poor's A+ 2016-07-15 2016-07-15 2016-07-15 N N N 0.0068 1600952.29 1600952.29 0.0021 N N N N Bank of Nova Scotia/The Bank of Nova Scotia/The 0.7% 064159CR5 Non-U.S. Sovereign, Sub-Sovereign and Supra-National debt First Tier Security Standard & Poor's A+ 2016-07-15 2016-07-15 2016-07-15 N N N 0.0070 3702060.96 3702060.96 0.0049 N N N N Bank of Tokyo-Mitsubishi UFJ Ltd/New York NY Bank of Tokyo-Mitsubishi UFJ Ltd/New York NY 0.62% 06538BG56 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-05 2016-07-05 2016-07-05 N N N 0.0062 14991216.67 14991216.67 0.0199 N N N N BNP Paribas SA/New York NY BNP Paribas SA/New York NY 0.58% 09659BG53 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-05 2016-07-05 2016-07-05 N N N 0.0058 14991854.17 14991854.17 0.0199 N N N N Canadian Imperial Bank of Commerce/Canada Canadian Imperial Bank of Commerce/Canada 0.78% 136069FV8 US136069FV81 Non-U.S. Sovereign, Sub-Sovereign and Supra-National debt First Tier Security Standard & Poor's A+ 2016-07-18 2016-07-18 2016-07-18 N N N 0.0078 1820914.99 1820914.99 0.0024 N N N N Chevron Corp Chevron Corp 0.52% 16677JGV2 Non-Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-29 2016-07-29 2016-07-29 N N N 0.0052 6994135.56 6994135.56 0.0093 N N N N John Deere Financial Ltd John Deere Financial Ltd 0.44% 24423MFL9 Non-Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-06-20 2016-06-20 2016-06-20 N N N 0.0044 9997677.78 9997677.78 0.0133 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.33% 3130A22P0 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-06 2016-06-06 2016-06-06 N N N 0.0033 9000091.47 9000091.47 0.0119 N N Y N Farmer Mac Discount Note Farmer Mac Discount Note 0.27% 31315KYD6 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-06-15 2016-06-15 2016-06-15 N N N 0.0027 24997375.00 24997375.00 0.0332 N N Y N Federal Agricultural Mortgage Corp Federal Agricultural Mortgage Corp 0.37% 31315PB73 US31315PB738 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-09 2016-06-09 2016-06-09 N N N 0.0032 12001382.91 12001382.91 0.0159 N N N N Federal Agricultural Mortgage Corp Federal Agricultural Mortgage Corp 0.53% 3132X0GK1 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-08-11 2017-05-11 2017-05-11 N N N 0.0036 44996431.08 44996431.08 0.0597 N N N N Federal Home Loan Banks Federal Home Loan Banks 0.31% 313373SZ6 US313373SZ62 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-10 2016-06-10 2016-06-10 N N N 0.0036 19028462.07 19028462.07 0.0253 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.28% 313384XY0 US313384XY06 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-06-10 2016-06-10 2016-06-10 N N N 0.0028 40297179.00 40297179.00 0.0535 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.3% 313384YD5 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-06-15 2016-06-15 2016-06-15 N N N 0.0030 61492861.95 61492861.95 0.0816 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.3% 313384XW4 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-06-08 2016-06-08 2016-06-08 N N N 0.0030 45902326.49 45902326.49 0.0609 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes 0.28% 313384XR5 U.S. Government Agency Debt First Tier Security Standard & Poor's AAA 2016-06-03 2016-06-03 2016-06-03 N N N 0.0028 5099920.67 5099920.67 0.0068 N N Y N Federal Farm Credit Banks Federal Farm Credit Banks 0.47% 3133ECXS8 US3133ECXS88 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-01 2016-07-20 2016-07-20 N N N 0.0043 52304678.75 52304678.75 0.0694 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.47% 3133EEXJ4 US3133EEXJ46 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-07 2016-07-08 2016-07-08 N N N 0.0047 23000000.00 23000000.00 0.0305 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.55% 3133EFRE9 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-06-01 2016-07-01 2016-07-01 N N N 0.0053 25004160.11 25004160.11 0.0332 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.46% 3133EFNS2 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-01 2016-08-12 2016-08-12 N N N 0.0046 9401501.95 9401501.95 0.0125 N N N N Federal Farm Credit Banks Federal Farm Credit Banks 0.6% 3133EFRX7 US3133EFRX78 U.S. Government Agency Debt First Tier Security Standard & Poor's AA+ 2016-06-01 2016-12-14 2016-12-14 N N N 0.0060 24998649.44 24998649.44 0.0332 N N N N Fannie Mae Discount Notes Fannie Mae Discount Notes 0.2% 313588XP5 U.S. Government Agency Debt First Tier Security Standard & Poor's NR 2016-06-01 2016-06-01 2016-06-01 N N N 0.0020 50000000.00 50000000.00 0.0663 N Y Y N Glaxosmithkline Finance PLC Glaxosmithkline Finance PLC 0.57% 3773E2GR4 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-25 2016-07-25 2016-07-25 N N N 0.0057 6119763.12 6119763.12 0.0081 N N N N ING US Funding LLC ING US Funding LLC 0.6% 4497W0GD4 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-13 2016-07-13 2016-07-13 N N N 0.0060 4996500.00 4996500.00 0.0066 N N N N National Australia Bank Ltd/New York National Australia Bank Ltd/New York 1.18% 63254AAH1 US63254AAH14 Non-U.S. Sovereign, Sub-Sovereign and Supra-National debt First Tier Security Standard & Poor's AA- 2016-07-25 2016-07-25 2016-07-25 N N N 0.0118 4833080.69 4833080.69 0.0064 N N N N Philip Morris International Inc Philip Morris International Inc 0.37% 71838LFD9 Non-Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-06-13 2016-06-13 2016-06-13 N N N 0.0037 9998766.67 9998766.67 0.0133 N N N N Prudential PLC Prudential PLC 0.59% 7443M2GU4 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-28 2016-07-28 2016-07-28 N N N 0.0059 14985987.50 14985987.50 0.0199 N N N N Siemens Capital Co LLC Siemens Capital Co LLC 0.46% 82619TFE2 Non-Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-06-14 2016-06-14 2016-06-14 N N N 0.0046 2204633.73 2204633.73 0.0029 N N N N Standard Chartered Bank/New York Standard Chartered Bank/New York 0.62% 85324TGR1 Financial Company Commercial Paper First Tier Security Standard & Poor's A-1 2016-07-25 2016-07-25 2016-07-25 N N N 0.0062 14986050.00 14986050.00 0.0199 N N N N United States Treasury Floating Rate Note United States Treasury Floating Rate Note 0.38% 912828WV8 US912828WV86 U.S. Treasury Debt First Tier Security Standard & Poor's AA+ 2016-06-01 2016-07-31 2016-07-31 N N N 0.0038 2107156.38 2107156.38 0.0028 N Y Y N U.S. Government Money Market Fund 2016-06-24 Paul Davio Paul Davio Assistant Treasurer