N-MFP LIVE N 2015-05-31 0000217087 S000010064 1 N N 002-59353 Security Investors, LLC 801-8008 Ernst & Young McLean VA Rydex Fund Services, LLC Rydex Fund Services, LLC 0000913181 84-05475 N N N Prime 47 49 55364076.76 0.01 60401.00 55303675.77 0.0016 13.2160 2015-05-31 13.2160 2015-05-31 C000027863 1000.00 55303675.77 13.22 -1700583.85 1960165.22 3660749.07 0.0000 13.2160 2015-05-31 13.2160 2015-05-31 ABN AMRO FUNDING USA LLC ABN AMRO FUNDING USA LLC 0.26% 00084CV58 Financial Company Commercial Paper First Tier Security 2015-08-05 2015-08-05 N N N 2000000.00 1999061.00 0.0361 N 1999061.00 1999061.00 ABBOTT LABORATORIES ABBOTT LABORATORIES 0.11% 00282DU16 Other Commercial Paper First Tier Security 2015-07-01 2015-07-01 N N N 2000000.00 1999817.00 0.0362 N 1999817.00 1999817.00 AMERICAN HONDA FINANCE AMERICAN HONDA FINANCE 0.12% 02665KTP2 Financial Company Commercial Paper First Tier Security 2015-06-23 2015-06-23 N N N 1000000.00 999927.00 0.0181 N 999927.00 999927.00 AMERICAN HONDA FINANCE AMERICAN HONDA FINANCE 0.12% 02665KU70 Financial Company Commercial Paper First Tier Security 2015-07-07 2015-07-07 N N N 1000000.00 999880.00 0.0181 N 999880.00 999880.00 ARCHER-DANIELS-MIDLAND CO. ARCHER-DANIELS-MIDLAND CO. 0.1% 03948HT43 Other Commercial Paper First Tier Security 2015-06-04 2015-06-04 N N N 2000000.00 1999983.00 0.0362 N 1999983.00 1999983.00 BASF SE BASF SE 0.41% 05526LA72 Other Commercial Paper First Tier Security 2016-01-07 2016-01-07 N N N 2000000.00 1994989.00 0.0361 N 1994989.00 1994989.00 BANCO SANTANDER CHILE BANCO SANTANDER CHILE 0.28% 05968JU13 Financial Company Commercial Paper First Tier Security 2015-07-01 2015-07-01 N N N 2000000.00 1999533.00 0.0362 N 1999533.00 1999533.00 BANK OF NOVA SCOTIA BANK OF NOVA SCOTIA 0.33% 06417KYC7 Financial Company Commercial Paper First Tier Security 2015-11-12 2015-11-12 N N N 2000000.00 1996993.00 0.0361 N 1996993.00 1996993.00 CATERPILLAR FINANCIAL SERVICES CORP. CATERPILLAR FINANCIAL SERVICES CORP. 0.13% 14912ETH0 Other Commercial Paper First Tier Security 2015-06-17 2015-06-17 N N N 2500000.00 2499856.00 0.0452 N 2499856.00 2499856.00 COMMONWEALTH BANK OF AUSTRALIA COMMONWEALTH BANK OF AUSTRALIA 0.21% 20272EWU8 Financial Company Commercial Paper First Tier Security 2015-09-28 2015-09-28 N N N 2000000.00 1998612.00 0.0361 N 1998612.00 1998612.00 FEDERAL HOME LOAN DISCOUNT NOTE FEDERAL HOME LOAN DISCOUNT NOTE 0.06% 313384GK9 Government Agency Debt First Tier Security 2015-06-03 2015-06-03 N N N 3000000.00 2999990.00 0.0542 N 2999990.00 2999990.00 FEDERAL HOME LOAN DISCOUNT NOTE FEDERAL HOME LOAN DISCOUNT NOTE 0.08% 313384JF7 Government Agency Debt First Tier Security 2015-07-17 2015-07-17 N N N 3000000.00 2999693.00 0.0542 N 2999693.00 2999693.00 FEDERAL HOME LOAN DISCOUNT NOTE FEDERAL HOME LOAN DISCOUNT NOTE 0.07% 313384JV2 Government Agency Debt First Tier Security 2015-07-31 2015-07-31 N N N 567000.00 566939.00 0.0103 N 566939.00 566939.00 GENERAL RE CORP. GENERAL RE CORP. 0.13% 37056KT83 Other Commercial Paper First Tier Security 2015-06-08 2015-06-08 N N N 2000000.00 1999949.00 0.0362 N 1999949.00 1999949.00 GENERAL RE CORP. GENERAL RE CORP. 0.13% 37056KT83 Other Commercial Paper First Tier Security 2015-06-08 2015-06-08 N N N 500000.00 499987.00 0.0090 N 499987.00 499987.00 ING (US) FUNDING LLC ING (US) FUNDING LLC 0.24% 4497W1T30 Financial Company Commercial Paper First Tier Security 2015-06-03 2015-06-03 N N N 2000000.00 1999973.00 0.0362 N 1999973.00 1999973.00 ING (US) FUNDING LLC ING (US) FUNDING LLC 0.25% 4497W1U12 Financial Company Commercial Paper First Tier Security 2015-07-01 2015-07-01 N N N 1000000.00 999792.00 0.0181 N 999792.00 999792.00 JUPITER SECURITIZATION COMPANY LLC JUPITER SECURITIZATION COMPANY LLC 0.23% 4820P3T52 Asset Backed Commercial Paper First Tier Security 2015-06-05 2015-06-05 N N N 3000000.00 2999923.00 0.0542 N 2999923.00 2999923.00 NATIXIS NY BRANCH NATIXIS NY BRANCH 0.07% 63873KT15 Other Commercial Paper First Tier Security 2015-06-01 2015-06-01 N N N 2000000.00 2000000.00 0.0362 N 2000000.00 2000000.00 NESTLE CAPITAL CORP. NESTLE CAPITAL CORP. 0.11% 64105HU91 Other Commercial Paper First Tier Security 2015-07-09 2015-07-09 N N N 1000000.00 999884.00 0.0181 N 999884.00 999884.00 NESTLE CAPITAL CORP. NESTLE CAPITAL CORP. 0.15% 64105HVX7 Other Commercial Paper First Tier Security 2015-08-31 2015-08-31 N N N 1000000.00 999621.00 0.0181 N 999621.00 999621.00 NORDEA BANK AB NORDEA BANK AB 0.3% 65558GXN8 Financial Company Commercial Paper First Tier Security 2015-10-22 2015-10-22 N N N 2000000.00 1997617.00 0.0361 N 1997617.00 1997617.00 PRUDENTIAL FINANCIAL, INC. PRUDENTIAL FINANCIAL, INC. 0.19% 7443M3UA0 Financial Company Commercial Paper First Tier Security 2015-07-10 2015-07-10 N N N 2000000.00 1999588.00 0.0362 N 1999588.00 1999588.00 PRUDENTIAL FINANCIAL, INC. PRUDENTIAL FINANCIAL, INC. 0.2% 7443M3UA0 Financial Company Commercial Paper First Tier Security 2015-07-10 2015-07-10 N N N 500000.00 499892.00 0.0090 N 499892.00 499892.00 SHEFFIELD RECEIVABLES CORP. SHEFFIELD RECEIVABLES CORP. 0.21% 82124MTS9 Asset Backed Commercial Paper First Tier Security 2015-06-26 2015-06-26 N N N 2000000.00 1999708.00 0.0362 N 1999708.00 1999708.00 SBA POOL #502353 SBA POOL #502353 1% 83164CTJ0 Government Agency Debt First Tier Security 2015-07-01 2018-09-25 N N N 12114.90 12114.90 0.0002 N 12115.00 12115.00 SBA POOL #503303 SBA POOL #503303 0.75% 83164DU49 Government Agency Debt First Tier Security 2015-07-01 2021-04-25 N N N 12732.00 12734.00 0.0002 N 12734.00 12734.00 SBA POOL #503295 SBA POOL #503295 0.75% 83164DUU1 Government Agency Debt First Tier Security 2015-07-01 2021-04-25 N N N 36462.00 36468.00 0.0007 N 36468.00 36468.00 SWEDBANK AB SWEDBANK AB 0.26% 87019SWV2 Financial Company Commercial Paper First Tier Security 2015-09-29 2015-09-29 N N N 2000000.00 1998267.00 0.0361 N 1998267.00 1998267.00 TOYOTA MOTOR CREDIT CORP TOYOTA MOTOR CREDIT CORP 0.18% 89233HVA9 Financial Company Commercial Paper First Tier Security 2015-08-10 2015-08-10 N N N 2000000.00 1999300.00 0.0362 N 1999300.00 1999300.00 DREYFUS TREASURY PRIME CASH MANAGEMENT FUND DREYFUS TREASURY PRIME CASH MANAGEMENT FUND0% 261941108 Investment Company First Tier Security 2015-06-01 2015-06-01 N N N 7253986.00 7253986.00 0.1312 N 7253986.00 7253986.00