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        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-05-16</maturityDt>
          <couponKind>Floating</couponKind>
          <annualizedRt>0.29000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FEDERAL FARM CREDIT BANK</name>
        <lei>N/A</lei>
        <title>Federal Farm Credit Bank</title>
        <cusip>3133ELH64</cusip>
        <identifiers>
          <isin value="US3133ELH641"/>
        </identifiers>
        <balance>2500000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2500565.58000000</valUSD>
        <pctVal>8.956412691734</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-06-09</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>0.23000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>J.P. MORGAN SECURITIES LLC</name>
        <lei>ZBUT11V806EZRVTWT807</lei>
        <title>J.P. Morgan Securities LLC</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="REPO-JP M"/>
        </identifiers>
        <balance>4754349.91000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>4754349.91000000</valUSD>
        <pctVal>17.02891546434</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <notClearedCentCparty isCleared="N">
            <counterpartyInfos>
              <counterpartyInfo lei="ZBUT11V806EZRVTWT807" name="J.P. MORGAN SECURITIES LLC"/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>0.00500000</repurchaseRt>
          <maturityDt>2021-04-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>4797807.45000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>4849439.78000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BARCLAYS CAPITAL INC.</name>
        <lei>AC28XWWI3WIBK2824319</lei>
        <title>Barclays Capital, Inc.</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="REPO-BARC"/>
        </identifiers>
        <balance>2161558.57000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2161558.57000000</valUSD>
        <pctVal>7.742172716892</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>RA</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <repurchaseAgrmt>
          <transCat>Repurchase</transCat>
          <notClearedCentCparty isCleared="N">
            <counterpartyInfos>
              <counterpartyInfo lei="AC28XWWI3WIBK2824319" name="BARCLAYS CAPITAL INC."/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>0.01000000</repurchaseRt>
          <maturityDt>2021-04-01</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>2160104.20000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>2204789.99000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313385EF9</cusip>
        <identifiers>
          <isin value="US313385EF92"/>
        </identifiers>
        <balance>3400000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3399989.61000000</valUSD>
        <pctVal>12.17792900067</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-04-12</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313385EC6</cusip>
        <identifiers>
          <isin value="US313385EC61"/>
        </identifiers>
        <balance>1600000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>1599996.44000000</valUSD>
        <pctVal>5.730794879591</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-04-09</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FARMER MAC</name>
        <lei>549300MS654K78GYF580</lei>
        <title>Farmer Mac</title>
        <cusip>31422B7F1</cusip>
        <identifiers>
          <isin value="US31422B7F12"/>
        </identifiers>
        <balance>1000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>1000017.94000000</valUSD>
        <pctVal>3.581819025829</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-11-22</maturityDt>
          <couponKind>Floating</couponKind>
          <annualizedRt>0.08700000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>CASH MGMT BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>United States Cash Management Bill</title>
        <cusip>912796J83</cusip>
        <identifiers>
          <isin value="US912796J834"/>
        </identifiers>
        <balance>1200000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>1199881.02000000</valUSD>
        <pctVal>4.297679565796</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-08-03</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FED HOME LN DISCOUNT NT</name>
        <lei>2549001DPIFGXC1TOL40</lei>
        <title>Federal Home Loan Bank</title>
        <cusip>313385EH5</cusip>
        <identifiers>
          <isin value="US313385EH58"/>
        </identifiers>
        <balance>3000000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2999992.42000000</valUSD>
        <pctVal>10.74523715774</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-04-14</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>TREASURY BILL</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bills</title>
        <cusip>9127962Q1</cusip>
        <identifiers>
          <isin value="US9127962Q14"/>
        </identifiers>
        <balance>226000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>225998.35000000</valUSD>
        <pctVal>0.809470667932</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2021-04-22</maturityDt>
          <couponKind>None</couponKind>
          <annualizedRt>0.00000000</annualizedRt>
          <isDefault>N</isDefault>
          <areIntrstPmntsInArrs>N</areIntrstPmntsInArrs>
          <isPaidKind>N</isPaidKind>
        </debtSec>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2021-04-30</ncom:dateSigned>
      <ncom:nameOfApplicant>Rydex Series Funds</ncom:nameOfApplicant>
      <ncom:signature>John Sullivan</ncom:signature>
      <ncom:signerName>John Sullivan</ncom:signerName>
      <ncom:title>CFO</ncom:title>
    </signature>
  </formData>
</edgarSubmission>
