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          <ccc>XXXXXXXX</ccc>
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      <regFileNumber>811-07584</regFileNumber>
      <regCik>0000899148</regCik>
      <regLei>5493004D62WV1EDNTU07</regLei>
      <regStreet1>702 King Farm Blvd., Suite 200</regStreet1>
      <regCity>Rockville</regCity>
      <regStateConditional regCountry="US" regState="US-MD"/>
      <regZipOrPostalCode>20850</regZipOrPostalCode>
      <regPhone>301-296-5100</regPhone>
      <seriesName>Telecommunications Fund</seriesName>
      <seriesId>S000003799</seriesId>
      <seriesLei>549300N6G4LRE5IXJH81</seriesLei>
      <repPdEnd>2020-03-31</repPdEnd>
      <repPdDate>2019-12-31</repPdDate>
      <isFinalFiling>N</isFinalFiling>
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      <totLiabs>9722.73</totLiabs>
      <netAssets>3872959.99</netAssets>
      <assetsAttrMiscSec>0</assetsAttrMiscSec>
      <assetsInvested>0</assetsInvested>
      <amtPayOneYrBanksBorr>0</amtPayOneYrBanksBorr>
      <amtPayOneYrCtrldComp>0</amtPayOneYrCtrldComp>
      <amtPayOneYrOthAffil>0</amtPayOneYrOthAffil>
      <amtPayOneYrOther>0</amtPayOneYrOther>
      <amtPayAftOneYrBanksBorr>0</amtPayAftOneYrBanksBorr>
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      <amtPayAftOneYrOthAffil>0</amtPayAftOneYrOthAffil>
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      <delayDeliv>0</delayDeliv>
      <standByCommit>0</standByCommit>
      <liquidPref>0</liquidPref>
      <cshNotRptdInCorD>0</cshNotRptdInCorD>
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        <name>America Movil SAB de CV</name>
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        <invCountry>MX</invCountry>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Telephone &amp; Data Systems Inc</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Cisco Systems Inc</name>
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      <invstOrSec>
        <name>Bandwidth Inc</name>
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      <invstOrSec>
        <name>Lumentum Holdings Inc</name>
        <lei>549300JLWRRC38DWEF52</lei>
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        <name>CenturyLink Inc</name>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>T-Mobile US Inc</name>
        <lei>549300QHIJYOHPACPG31</lei>
        <title>T-Mobile US, Inc.</title>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>
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        <fairValLevel>1</fairValLevel>
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        <name>TELUS Corp</name>
        <lei>L2TEUTQ8OSHMJWVLCE40</lei>
        <title>TELUS Corp.</title>
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        <assetCat>EC</assetCat>
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        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>Juniper Networks Inc</name>
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        <title>Juniper Networks, Inc.</title>
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        <title>Verizon Communications, Inc.</title>
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      <invstOrSec>
        <name>BARCLAYS CAPITAL INC.</name>
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        <title>Barclays Capital, Inc.</title>
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        <fairValLevel>2</fairValLevel>
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          <transCat>Repurchase</transCat>
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          <maturityDt>2020-01-02</maturityDt>
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      <invstOrSec>
        <name>CommScope Holding Co Inc</name>
        <lei>254900AW4CEPCQWSRI58</lei>
        <title>CommScope Holding Company, Inc.</title>
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      <invstOrSec>
        <name>Acacia Communications Inc</name>
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        <title>Acacia Communications, Inc.</title>
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        <name>GCI Liberty Inc</name>
        <lei>N/A</lei>
        <title>GCI Liberty, Inc.</title>
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        <name>Telefonica Brasil SA</name>
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        <title>Telefonica Brasil S.A.</title>
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        <invCountry>BR</invCountry>
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        <fairValLevel>1</fairValLevel>
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        <name>Ubiquiti Inc</name>
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        <title>Ubiquiti, Inc.</title>
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        <fairValLevel>1</fairValLevel>
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        <name>NETGEAR Inc</name>
        <lei>54930067KX3UNRHDWA78</lei>
        <title>NETGEAR, Inc.</title>
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        <fairValLevel>1</fairValLevel>
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      <invstOrSec>
        <name>NetScout Systems Inc</name>
        <lei>5493005HZXZ3SPNVCV76</lei>
        <title>NetScout Systems, Inc.</title>
        <cusip>64115T104</cusip>
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          <isin value="US64115T1043"/>
        </identifiers>
        <balance>1645.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>39595.15000000</valUSD>
        <pctVal>1.022348542257</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Ciena Corp</name>
        <lei>W0CZ7N0GH8UIGXDM1H41</lei>
        <title>Ciena Corp.</title>
        <cusip>171779309</cusip>
        <identifiers>
          <isin value="US1717793095"/>
        </identifiers>
        <balance>1815.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>77482.35000000</valUSD>
        <pctVal>2.000597739198</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>AT&amp;T Inc</name>
        <lei>549300Z40J86GGSTL398</lei>
        <title>AT&amp;T, Inc.</title>
        <cusip>00206R102</cusip>
        <identifiers>
          <isin value="US00206R1023"/>
        </identifiers>
        <balance>12962.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>506554.96000000</valUSD>
        <pctVal>13.07927170195</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BCE Inc</name>
        <lei>5493001I9203PRB5KR45</lei>
        <title>BCE, Inc.</title>
        <cusip>05534B760</cusip>
        <identifiers>
          <isin value="CA05534B7604"/>
        </identifiers>
        <balance>1071.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>49640.85000000</valUSD>
        <pctVal>1.281728965137</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Cogent Communications Holdings</name>
        <lei>N/A</lei>
        <title>Cogent Communications Holdings, Inc.</title>
        <cusip>19239V302</cusip>
        <identifiers>
          <isin value="US19239V3024"/>
        </identifiers>
        <balance>802.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52779.62000000</valUSD>
        <pctVal>1.362772146788</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <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>24002.53000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>24002.53000000</valUSD>
        <pctVal>0.619746397121</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>1.53000000</repurchaseRt>
          <maturityDt>2020-01-02</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>22185.76000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>24482.59000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Viavi Solutions Inc</name>
        <lei>5493006K3E3N1QOBF092</lei>
        <title>Viavi Solutions, Inc.</title>
        <cusip>925550105</cusip>
        <identifiers>
          <isin value="US9255501051"/>
        </identifiers>
        <balance>3598.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>53970.00000000</valUSD>
        <pctVal>1.393507811579</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vodafone Group PLC</name>
        <lei>213800TB53ELEUKM7Q61</lei>
        <title>Vodafone Group plc</title>
        <cusip>92857W308</cusip>
        <identifiers>
          <isin value="US92857W3088"/>
        </identifiers>
        <balance>2921.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>56462.93000000</valUSD>
        <pctVal>1.457875375572</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>GB</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Shenandoah Telecommunications</name>
        <lei>549300XH3H4OUKFPHS84</lei>
        <title>Shenandoah Telecommunications Co.</title>
        <cusip>82312B106</cusip>
        <identifiers>
          <isin value="US82312B1061"/>
        </identifiers>
        <balance>1066.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>44356.26000000</valUSD>
        <pctVal>1.145280615202</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Vonage Holdings Corp</name>
        <lei>529900W7N0N4WLN1JY21</lei>
        <title>Vonage Holdings Corp.</title>
        <cusip>92886T201</cusip>
        <identifiers>
          <isin value="US92886T2015"/>
        </identifiers>
        <balance>5348.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>39628.68000000</valUSD>
        <pctVal>1.023214288356</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>InterDigital Inc</name>
        <lei>N/A</lei>
        <title>InterDigital, Inc.</title>
        <cusip>45867G101</cusip>
        <identifiers>
          <isin value="US45867G1013"/>
        </identifiers>
        <balance>711.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>38742.39000000</valUSD>
        <pctVal>1.000330240953</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>EchoStar Corp</name>
        <lei>549300EE20907QZ9GT38</lei>
        <title>EchoStar Corp.</title>
        <cusip>278768106</cusip>
        <identifiers>
          <isin value="US2787681061"/>
        </identifiers>
        <balance>1429.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>61889.99000000</valUSD>
        <pctVal>1.598002307274</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Sprint Corp</name>
        <lei>549300ZTTY7CXOLJ6539</lei>
        <title>Sprint Corp.</title>
        <cusip>85207U105</cusip>
        <identifiers>
          <isin value="US85207U1051"/>
        </identifiers>
        <balance>26329.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>137174.09000000</valUSD>
        <pctVal>3.541841133246</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Zayo Group Holdings Inc</name>
        <lei>529900Z6OTS7RT0V0I47</lei>
        <title>Zayo Group Holdings, Inc.</title>
        <cusip>98919V105</cusip>
        <identifiers>
          <isin value="US98919V1052"/>
        </identifiers>
        <balance>2479.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>85897.35000000</valUSD>
        <pctVal>2.217873415211</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>BOFA SECURITIES, INC.</name>
        <lei>549300HN4UKV1E2R3U73</lei>
        <title>BofA Securities, Inc.</title>
        <cusip>N/A</cusip>
        <identifiers>
          <other otherDesc="Internal ID" value="REPO-BANK"/>
        </identifiers>
        <balance>7739.52000000</balance>
        <units>PA</units>
        <curCd>USD</curCd>
        <valUSD>7739.52000000</valUSD>
        <pctVal>0.199834752230</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="549300HN4UKV1E2R3U73" name="BOFA SECURITIES, INC."/>
            </counterpartyInfos>
          </notClearedCentCparty>
          <isTriParty>Y</isTriParty>
          <repurchaseRt>1.50000000</repurchaseRt>
          <maturityDt>2020-01-02</maturityDt>
          <repurchaseCollaterals>
            <repurchaseCollateral>
              <principalAmt>6462.84000000</principalAmt>
              <principalCd>USD</principalCd>
              <collateralVal>7894.32000000</collateralVal>
              <collateralCd>USD</collateralCd>
              <invstCat>UST</invstCat>
            </repurchaseCollateral>
          </repurchaseCollaterals>
        </repurchaseAgrmt>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Motorola Solutions Inc</name>
        <lei>6S552MUG6KGJVEBSEC55</lei>
        <title>Motorola Solutions, Inc.</title>
        <cusip>620076307</cusip>
        <identifiers>
          <isin value="US6200763075"/>
        </identifiers>
        <balance>973.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>156789.22000000</valUSD>
        <pctVal>4.048304666323</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Rogers Communications Inc</name>
        <lei>54930030NVF3Y2OL0A78</lei>
        <title>Rogers Communications, Inc.</title>
        <cusip>775109200</cusip>
        <identifiers>
          <isin value="CA7751092007"/>
        </identifiers>
        <balance>912.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>45299.04000000</valUSD>
        <pctVal>1.169623236928</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Arista Networks Inc</name>
        <lei>635400H1WKBLOQERUU95</lei>
        <title>Arista Networks, Inc.</title>
        <cusip>040413106</cusip>
        <identifiers>
          <isin value="US0404131064"/>
        </identifiers>
        <balance>575.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>116955.00000000</valUSD>
        <pctVal>3.019783325982</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>China Mobile Ltd</name>
        <lei>529900U2JJ7GK68NI589</lei>
        <title>China Mobile Ltd.</title>
        <cusip>16941M109</cusip>
        <identifiers>
          <isin value="US16941M1099"/>
        </identifiers>
        <balance>1234.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>52161.18000000</valUSD>
        <pctVal>1.346803998354</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>HK</invCountry>

        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Iridium Communications Inc</name>
        <lei>549300U620NVQ4J1CT96</lei>
        <title>Iridium Communications, Inc.</title>
        <cusip>46269C102</cusip>
        <identifiers>
          <isin value="US46269C1027"/>
        </identifiers>
        <balance>2179.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>53690.56000000</valUSD>
        <pctVal>1.386292658293</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Boingo Wireless Inc</name>
        <lei>54930058LPWPZZCRMC04</lei>
        <title>Boingo Wireless, Inc.</title>
        <cusip>09739C102</cusip>
        <identifiers>
          <isin value="US09739C1027"/>
        </identifiers>
        <balance>1878.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>20564.10000000</valUSD>
        <pctVal>0.530965980880</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>Plantronics Inc</name>
        <lei>5493006O3W5M472F6668</lei>
        <title>Plantronics, Inc.</title>
        <cusip>727493108</cusip>
        <identifiers>
          <isin value="US7274931085"/>
        </identifiers>
        <balance>1138.00000000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>31112.92000000</valUSD>
        <pctVal>0.803336984640</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>CORP</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <signature>
      <ncom:dateSigned>2020-01-30</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>
  <documents>XXXX</documents>
</edgarSubmission>
