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          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FEDERAL FARM CREDIT BANK</name>
        <lei>N/A</lei>
        <title>Federal Farm Credit Bank</title>
        <cusip>3133EKMB9</cusip>
        <identifiers>
          <isin value="US3133EKMB98"/>
        </identifiers>
        <balance>2220000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>2223041.40000000</valUSD>
        <pctVal>6.796314092618</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-05-20</maturityDt>
          <couponKind>Floating</couponKind>
          <annualizedRt>0.44000000</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>935402.87000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>935402.87000000</valUSD>
        <pctVal>2.859727087249</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>0.05000000</repurchaseRt>
          <maturityDt>2022-01-03</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>952896.29000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>954111.77000000</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>386854.77000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>386854.77000000</valUSD>
        <pctVal>1.182697958368</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>2022-01-03</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>327070.23000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>394592.40000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FANNIE MAE</name>
        <lei>B1V7KEBTPIMZEU4LTD58</lei>
        <title>Fannie Mae</title>
        <cusip>3135G0U92</cusip>
        <identifiers>
          <isin value="US3135G0U920"/>
        </identifiers>
        <balance>3250000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>3251813.50000000</valUSD>
        <pctVal>9.941490930675</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>USGSE</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2022-01-11</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>2.62500000</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>US TREASURY N/B</name>
        <lei>254900HROIFWPRGM1V77</lei>
        <title>U.S. Treasury Bonds</title>
        <cusip>912810TB4</cusip>
        <identifiers>
          <isin value="US912810TB44"/>
        </identifiers>
        <balance>-27800000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>-27713125.00000000</valUSD>
        <pctVal>-84.7249637312</pctVal>
        <payoffProfile>Short</payoffProfile>
        <assetCat>DBT</assetCat>
        <issuerCat>UST</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>2</fairValLevel>
        <debtSec>
          <maturityDt>2051-11-15</maturityDt>
          <couponKind>Fixed</couponKind>
          <annualizedRt>1.87500000</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>Chicago Board of Trade</name>
        <lei>N/A</lei>
        <title>U.S. Treasury Ultra Long Bond Futures Contracts</title>
        <cusip>N/A</cusip>
        <identifiers>
          <ticker value="WNH2"/>
        </identifiers>
        <balance>-42.00000000</balance>
        <units>NC</units>
        <curCd>USD</curCd>
        <valUSD>51219.65000000</valUSD>
        <pctVal>0.156589449532</pctVal>
        <payoffProfile>N/A</payoffProfile>
        <assetCat>DIR</assetCat>
        <issuerConditional desc="Derivative" issuerCat="OTHER"/>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <derivativeInfo>
          <futrDeriv derivCat="FUT">
            <counterparties>
              <counterpartyName>Goldman Sachs &amp; Co. LLC</counterpartyName>
              <counterpartyLei>FOR8UP27PHTHYVLBNG30</counterpartyLei>
            </counterparties>
            <payOffProf>Short</payOffProf>
            <descRefInstrmnt>
              <otherRefInst>
                <issuerName>N/A</issuerName>
                <issueTitle>US 30yr 6.00%</issueTitle>
                <identifiers>
                  <cusip value="N/A"/>
                  <other otherDesc="Interest Rate Future" value="US 30yr 6.00%"/>
                </identifiers>
              </otherRefInst>
            </descRefInstrmnt>
            <expDate>2022-03-22</expDate>
            <notionalAmt>-8329157.15000000</notionalAmt>
            <curCd>USD</curCd>
            <unrealizedAppr>51219.65000000</unrealizedAppr>
          </futrDeriv>
        </derivativeInfo>
        <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="SPREPO-BARC"/>
        </identifiers>
        <balance>14625000.00000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>14625000.00000000</valUSD>
        <pctVal>44.71176002594</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>-0.15000000</repurchaseRt>
          <maturityDt>2022-01-03</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>15000000.00000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>14917500.00000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2022-01-31</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>
  <documents>XXXX</documents>
</edgarSubmission>
