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<edgarSubmission xmlns="http://www.sec.gov/edgar/nmfp" xmlns:com="http://www.sec.gov/edgar/common" xmlns:dei="http://www.sec.gov/edgar/dei" xmlns:invest="http://www.sec.gov/edgar/invest" xmlns:part1="http://www.sec.gov/edgar/nmfpfund" xmlns:part2="http://www.sec.gov/edgar/nmfpsecurities" xmlns:ratings="http://www.sec.gov/edgar/ratings" xmlns:rr="http://www.sec.gov/edgar/rr" xmlns:sccom="http://www.sec.gov/edgar/sccommon" xmlns:state="http://www.sec.gov/edgar/statecodes" xmlns:us-gaap="http://www.sec.gov/edgar/us-gaap">
  <submissionType>N-MFP</submissionType>
  <liveTestFlag>LIVE</liveTestFlag>


  <isThisElectronicCopyOfPaperFormat>N</isThisElectronicCopyOfPaperFormat>
  <DocumentPeriodEndDate>2010-12-30</DocumentPeriodEndDate>
  <EntityCentralIndexKey>0000101507</EntityCentralIndexKey>

  <seriesId>S000004786</seriesId>
  <totalClassesInSeries>1</totalClassesInSeries>
  <isThisFinalFiling>N</isThisFinalFiling>
  <hasFundAcquiredOrMergedWithAnotherFundSinceLastFiling>N</hasFundAcquiredOrMergedWithAnotherFundSinceLastFiling>
  <seriesLevelInformation>
    <part1:ContainedFileInformationFileNumber>002-35439</part1:ContainedFileInformationFileNumber>
    <part1:investmentAdviserList>
      <part1:adviser>
        <part1:adviserName>U.S. Global Investors, Inc.</part1:adviserName>
        <part1:adviserFileNumber>801-4868</part1:adviserFileNumber>
      </part1:adviser>
    </part1:investmentAdviserList>
    <part1:independentPublicAccountant>
      <part1:name>KPMG LLP</part1:name>
      <part1:city>Boston</part1:city>
      <part1:state>MA</part1:state>
    </part1:independentPublicAccountant>
    <part1:administratorList>
      <part1:administrator>Brown Brothers Harriman &amp; Co.</part1:administrator>
    </part1:administratorList>
    <part1:transferAgentList>
      <part1:transferAgent>
        <part1:name>United Shareholder Services, Inc.</part1:name>
        <part1:EntityCentralIndexKey>0000752336</part1:EntityCentralIndexKey>
        <part1:fileNumber>84-01260</part1:fileNumber>
      </part1:transferAgent>
    </part1:transferAgentList>
    <part1:isThisFeederFund>N</part1:isThisFeederFund>
    <part1:isThisMasterFund>N</part1:isThisMasterFund>
    <part1:isThisSeriesPrimarilyUsedToFundInsuranceCompanySeperateAccounts>N</part1:isThisSeriesPrimarilyUsedToFundInsuranceCompanySeperateAccounts>
    <part1:InvestmentTypeDomain>Government/Agency</part1:InvestmentTypeDomain>
    <part1:dollarWeightedAveragePortfolioMaturity>6</part1:dollarWeightedAveragePortfolioMaturity>
    <part1:dollarWeightedAverageLifeMaturity>6</part1:dollarWeightedAverageLifeMaturity>
    <part1:AvailableForSaleSecuritiesAmortizedCost>99653580.71</part1:AvailableForSaleSecuritiesAmortizedCost>
    <part1:OtherAssets>476037.21</part1:OtherAssets>
    <part1:Liabilities>638387.66</part1:Liabilities>
    <part1:AssetsNet>99491230.26</part1:AssetsNet>
    <part1:MoneyMarketSevenDayYield>0.0014</part1:MoneyMarketSevenDayYield>
    <part1:seriesShadowPrice>
      <part1:netValuePerShareIncludingCapitalSupportAgreement>0.9993</part1:netValuePerShareIncludingCapitalSupportAgreement>
      <part1:dateCalculatedFornetValuePerShareIncludingCapitalSupportAgreement>2010-12-30</part1:dateCalculatedFornetValuePerShareIncludingCapitalSupportAgreement>
      <part1:netValuePerShareExcludingCapitalSupportAgreement>0.9993</part1:netValuePerShareExcludingCapitalSupportAgreement>
      <part1:dateCalculatedFornetValuePerShareExcludingCapitalSupportAgreement>2010-12-30</part1:dateCalculatedFornetValuePerShareExcludingCapitalSupportAgreement>
    </part1:seriesShadowPrice>
  </seriesLevelInformation>
  <classLevelInformationList>
    <part1:classLevelInformation>
      <part1:classId>C000012997</part1:classId>
      <part1:minInitialInvestment>1000.00</part1:minInitialInvestment>
      <part1:netAssetsOfClass>99491230.26</part1:netAssetsOfClass>
      <part1:netAssetValuePerShare>1.00</part1:netAssetValuePerShare>
      <part1:netShareholderFlowActivityForMonthEnded>-6436059.06</part1:netShareholderFlowActivityForMonthEnded>
      <part1:grossSubscriptionsForMonthEnded>13354363.69</part1:grossSubscriptionsForMonthEnded>
      <part1:grossRedemptionsForMonthEnded>19790422.75</part1:grossRedemptionsForMonthEnded>
      <part1:sevenDayNetYield>0.0001</part1:sevenDayNetYield>
      <part1:classShadowPrice>
        <part1:netAssetValuePerShareIncludingCapitalSupportAgreement>
          <part1:value>0.9993</part1:value>
          <part1:dateAsOfWhichValueWasCalculated>2010-12-30</part1:dateAsOfWhichValueWasCalculated>
        </part1:netAssetValuePerShareIncludingCapitalSupportAgreement>
        <part1:netAssetValuePerShareExcludingCapitalSupportAgreement>
          <part1:value>0.9993</part1:value>
          <part1:dateAsOfWhichValueWasCalculated>2010-12-30</part1:dateAsOfWhichValueWasCalculated>
        </part1:netAssetValuePerShareExcludingCapitalSupportAgreement>
      </part1:classShadowPrice>
    </part1:classLevelInformation>
  </classLevelInformationList>
  <scheduleOfPortfolioSecuritiesList>
    <part2:scheduleOfPortfolioSecurities>
      <part2:InvestmentIssuer>Barclays Capital, Inc.</part2:InvestmentIssuer>
      <part2:InvestmentTitle>Barclays Capital, Inc. 0.25%</part2:InvestmentTitle>
      <part2:InvestmentIdentifier>410016</part2:InvestmentIdentifier>
      <part2:EntityCentralIndexKey>0001453735</part2:EntityCentralIndexKey>
      <part2:InvestmentTypeDomain>Treasury Repurchase Agreement</part2:InvestmentTypeDomain>
      <part2:categoryOfInvestmentDesc>Repurchase Agreement</part2:categoryOfInvestmentDesc>
      <part2:isFundTreatingAsAcquisitionUnderlyingSecurities>Y</part2:isFundTreatingAsAcquisitionUnderlyingSecurities>
      <part2:repurchaseAgreementList>
        <part2:RepurchaseAgreement>
          <part2:InvestmentIssuer>United States Treasury STRIPS</part2:InvestmentIssuer>
          <part2:InvestmentMaturityDate>
            <invest:date>2032-08-15</invest:date>
          </part2:InvestmentMaturityDate>
          <part2:CR>0</part2:CR>
          <part2:InvestmentTypeDomain>Treasury Repurchase Agreement</part2:InvestmentTypeDomain>
          <part2:categoryOfInvestmentDesc>United States Treasury STRIPS</part2:categoryOfInvestmentDesc>
          <part2:AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts>42519945.00</part2:AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts>
          <part2:CashCollateralForBorrowedSecurities>15402000.00</part2:CashCollateralForBorrowedSecurities>
        </part2:RepurchaseAgreement>
      </part2:repurchaseAgreementList>
      <part2:rating>First Tier Security</part2:rating>
      <part2:InvestmentMaturityDate>2011-01-03</part2:InvestmentMaturityDate>
      <part2:finalLegalInvestmentMaturityDate>2011-01-03</part2:finalLegalInvestmentMaturityDate>
      <part2:doesSecurityHaveDemandFeature>N</part2:doesSecurityHaveDemandFeature>
      <part2:doesSecurityHaveGuarantee>N</part2:doesSecurityHaveGuarantee>
      <part2:doesSecurityHaveEnhancementsOnWhichFundRelying>N</part2:doesSecurityHaveEnhancementsOnWhichFundRelying>
      <part2:InvestmentOwnedBalancePrincipalAmount>15100000.00</part2:InvestmentOwnedBalancePrincipalAmount>
      <part2:AvailableForSaleSecuritiesAmortizedCost>15100000.00</part2:AvailableForSaleSecuritiesAmortizedCost>
      <part2:InvestmentOwnedPercentOfNetAssets>0.1518</part2:InvestmentOwnedPercentOfNetAssets>
      <part2:isThisIlliquidSecurity>N</part2:isThisIlliquidSecurity>
      <part2:InvestmentOwnedAtFairValue>15100000.00</part2:InvestmentOwnedAtFairValue>
      <part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>15100000.00</part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>
    </part2:scheduleOfPortfolioSecurities>
    <part2:scheduleOfPortfolioSecurities>
      <part2:InvestmentIssuer>Credit Suisse Securities USA LLC</part2:InvestmentIssuer>
      <part2:InvestmentTitle>Credit Suisse Securities USA LLC 0.15%</part2:InvestmentTitle>
      <part2:InvestmentIdentifier>410008</part2:InvestmentIdentifier>
      <part2:EntityCentralIndexKey>0001230485</part2:EntityCentralIndexKey>
      <part2:InvestmentTypeDomain>Treasury Repurchase Agreement</part2:InvestmentTypeDomain>
      <part2:categoryOfInvestmentDesc>Repurchase Agreement</part2:categoryOfInvestmentDesc>
      <part2:isFundTreatingAsAcquisitionUnderlyingSecurities>Y</part2:isFundTreatingAsAcquisitionUnderlyingSecurities>
      <part2:repurchaseAgreementList>
        <part2:RepurchaseAgreement>
          <part2:InvestmentIssuer>United States Treasury Note</part2:InvestmentIssuer>
          <part2:InvestmentMaturityDate>
            <invest:date>2012-08-15</invest:date>
          </part2:InvestmentMaturityDate>
          <part2:CR>1.75</part2:CR>
          <part2:InvestmentTypeDomain>Treasury Repurchase Agreement</part2:InvestmentTypeDomain>
          <part2:categoryOfInvestmentDesc>United States Treasury Note</part2:categoryOfInvestmentDesc>
          <part2:AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts>24406061.00</part2:AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts>
          <part2:CashCollateralForBorrowedSecurities>25046781.00</part2:CashCollateralForBorrowedSecurities>
        </part2:RepurchaseAgreement>
      </part2:repurchaseAgreementList>
      <part2:rating>First Tier Security</part2:rating>
      <part2:InvestmentMaturityDate>2011-01-03</part2:InvestmentMaturityDate>
      <part2:finalLegalInvestmentMaturityDate>2011-01-03</part2:finalLegalInvestmentMaturityDate>
      <part2:doesSecurityHaveDemandFeature>N</part2:doesSecurityHaveDemandFeature>
      <part2:doesSecurityHaveGuarantee>N</part2:doesSecurityHaveGuarantee>
      <part2:doesSecurityHaveEnhancementsOnWhichFundRelying>N</part2:doesSecurityHaveEnhancementsOnWhichFundRelying>
      <part2:InvestmentOwnedBalancePrincipalAmount>24555001.55</part2:InvestmentOwnedBalancePrincipalAmount>
      <part2:AvailableForSaleSecuritiesAmortizedCost>24555001.55</part2:AvailableForSaleSecuritiesAmortizedCost>
      <part2:InvestmentOwnedPercentOfNetAssets>0.2468</part2:InvestmentOwnedPercentOfNetAssets>
      <part2:isThisIlliquidSecurity>N</part2:isThisIlliquidSecurity>
      <part2:InvestmentOwnedAtFairValue>24555001.00</part2:InvestmentOwnedAtFairValue>
      <part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>24555001.00</part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>
    </part2:scheduleOfPortfolioSecurities>
    <part2:scheduleOfPortfolioSecurities>
      <part2:InvestmentIssuer>Morgan Stanley</part2:InvestmentIssuer>
      <part2:InvestmentTitle>Morgan Stanley 0.08%</part2:InvestmentTitle>
      <part2:InvestmentIdentifier>410018</part2:InvestmentIdentifier>
      <part2:EntityCentralIndexKey>0000895421</part2:EntityCentralIndexKey>
      <part2:InvestmentTypeDomain>Treasury Repurchase Agreement</part2:InvestmentTypeDomain>
      <part2:categoryOfInvestmentDesc>Repurchase Agreement</part2:categoryOfInvestmentDesc>
      <part2:isFundTreatingAsAcquisitionUnderlyingSecurities>Y</part2:isFundTreatingAsAcquisitionUnderlyingSecurities>
      <part2:repurchaseAgreementList>
        <part2:RepurchaseAgreement>
          <part2:InvestmentIssuer>United States Treasury Inflation Indexed Bond</part2:InvestmentIssuer>
          <part2:InvestmentMaturityDate>
            <invest:date>2028-01-15</invest:date>
          </part2:InvestmentMaturityDate>
          <part2:CR>1.75</part2:CR>
          <part2:InvestmentTypeDomain>Treasury Repurchase Agreement</part2:InvestmentTypeDomain>
          <part2:categoryOfInvestmentDesc>United States Treasury Inflation Indexed Bond</part2:categoryOfInvestmentDesc>
          <part2:AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts>19238800.00</part2:AssetsSoldUnderAgreementsToRepurchaseCarryingAmounts>
          <part2:CashCollateralForBorrowedSecurities>20400032.00</part2:CashCollateralForBorrowedSecurities>
        </part2:RepurchaseAgreement>
      </part2:repurchaseAgreementList>
      <part2:rating>First Tier Security</part2:rating>
      <part2:InvestmentMaturityDate>2011-01-03</part2:InvestmentMaturityDate>
      <part2:finalLegalInvestmentMaturityDate>2011-01-03</part2:finalLegalInvestmentMaturityDate>
      <part2:doesSecurityHaveDemandFeature>N</part2:doesSecurityHaveDemandFeature>
      <part2:doesSecurityHaveGuarantee>N</part2:doesSecurityHaveGuarantee>
      <part2:doesSecurityHaveEnhancementsOnWhichFundRelying>N</part2:doesSecurityHaveEnhancementsOnWhichFundRelying>
      <part2:InvestmentOwnedBalancePrincipalAmount>20000000.00</part2:InvestmentOwnedBalancePrincipalAmount>
      <part2:AvailableForSaleSecuritiesAmortizedCost>20000000.00</part2:AvailableForSaleSecuritiesAmortizedCost>
      <part2:InvestmentOwnedPercentOfNetAssets>0.2010</part2:InvestmentOwnedPercentOfNetAssets>
      <part2:isThisIlliquidSecurity>N</part2:isThisIlliquidSecurity>
      <part2:InvestmentOwnedAtFairValue>20000000.00</part2:InvestmentOwnedAtFairValue>
      <part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>20000000.00</part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>
    </part2:scheduleOfPortfolioSecurities>
    <part2:scheduleOfPortfolioSecurities>
      <part2:InvestmentIssuer>United States Treasury Bill</part2:InvestmentIssuer>
      <part2:InvestmentTitle>United States Treasury Bill 0.11504%</part2:InvestmentTitle>
      <part2:CUSIPMember>912795UX7</part2:CUSIPMember>
      <part2:InvestmentTypeDomain>Treasury Debt</part2:InvestmentTypeDomain>
      <part2:categoryOfInvestmentDesc>United States Treasury Bill</part2:categoryOfInvestmentDesc>
      <part2:rating>First Tier Security</part2:rating>
      <part2:InvestmentMaturityDate>2011-01-13</part2:InvestmentMaturityDate>
      <part2:finalLegalInvestmentMaturityDate>2011-01-13</part2:finalLegalInvestmentMaturityDate>
      <part2:doesSecurityHaveDemandFeature>N</part2:doesSecurityHaveDemandFeature>
      <part2:doesSecurityHaveGuarantee>N</part2:doesSecurityHaveGuarantee>
      <part2:doesSecurityHaveEnhancementsOnWhichFundRelying>N</part2:doesSecurityHaveEnhancementsOnWhichFundRelying>
      <part2:InvestmentOwnedBalancePrincipalAmount>10000000.00</part2:InvestmentOwnedBalancePrincipalAmount>
      <part2:AvailableForSaleSecuritiesAmortizedCost>9999616.66</part2:AvailableForSaleSecuritiesAmortizedCost>
      <part2:InvestmentOwnedPercentOfNetAssets>0.1005</part2:InvestmentOwnedPercentOfNetAssets>
      <part2:isThisIlliquidSecurity>N</part2:isThisIlliquidSecurity>
      <part2:InvestmentOwnedAtFairValue>9999940.00</part2:InvestmentOwnedAtFairValue>
      <part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>9999940.00</part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>
    </part2:scheduleOfPortfolioSecurities>
    <part2:scheduleOfPortfolioSecurities>
      <part2:InvestmentIssuer>United States Treasury Bill</part2:InvestmentIssuer>
      <part2:InvestmentTitle>United States Treasury Bill 0.15511%</part2:InvestmentTitle>
      <part2:CUSIPMember>912795X71</part2:CUSIPMember>
      <part2:InvestmentTypeDomain>Treasury Debt</part2:InvestmentTypeDomain>
      <part2:categoryOfInvestmentDesc>United States Treasury Bill</part2:categoryOfInvestmentDesc>
      <part2:rating>First Tier Security</part2:rating>
      <part2:InvestmentMaturityDate>2011-01-06</part2:InvestmentMaturityDate>
      <part2:finalLegalInvestmentMaturityDate>2011-01-06</part2:finalLegalInvestmentMaturityDate>
      <part2:doesSecurityHaveDemandFeature>N</part2:doesSecurityHaveDemandFeature>
      <part2:doesSecurityHaveGuarantee>N</part2:doesSecurityHaveGuarantee>
      <part2:doesSecurityHaveEnhancementsOnWhichFundRelying>N</part2:doesSecurityHaveEnhancementsOnWhichFundRelying>
      <part2:InvestmentOwnedBalancePrincipalAmount>20000000.00</part2:InvestmentOwnedBalancePrincipalAmount>
      <part2:AvailableForSaleSecuritiesAmortizedCost>19999569.44</part2:AvailableForSaleSecuritiesAmortizedCost>
      <part2:InvestmentOwnedPercentOfNetAssets>0.2010</part2:InvestmentOwnedPercentOfNetAssets>
      <part2:isThisIlliquidSecurity>N</part2:isThisIlliquidSecurity>
      <part2:InvestmentOwnedAtFairValue>19999980.00</part2:InvestmentOwnedAtFairValue>
      <part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>19999980.00</part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>
    </part2:scheduleOfPortfolioSecurities>
    <part2:scheduleOfPortfolioSecurities>
      <part2:InvestmentIssuer>United States Treasury Bill</part2:InvestmentIssuer>
      <part2:InvestmentTitle>United States Treasury Bill 0.11503%</part2:InvestmentTitle>
      <part2:CUSIPMember>912795X89</part2:CUSIPMember>
      <part2:InvestmentTypeDomain>Treasury Debt</part2:InvestmentTypeDomain>
      <part2:categoryOfInvestmentDesc>United States Treasury Bill</part2:categoryOfInvestmentDesc>
      <part2:rating>First Tier Security</part2:rating>
      <part2:InvestmentMaturityDate>2011-01-20</part2:InvestmentMaturityDate>
      <part2:finalLegalInvestmentMaturityDate>2011-01-20</part2:finalLegalInvestmentMaturityDate>
      <part2:doesSecurityHaveDemandFeature>N</part2:doesSecurityHaveDemandFeature>
      <part2:doesSecurityHaveGuarantee>N</part2:doesSecurityHaveGuarantee>
      <part2:doesSecurityHaveEnhancementsOnWhichFundRelying>N</part2:doesSecurityHaveEnhancementsOnWhichFundRelying>
      <part2:InvestmentOwnedBalancePrincipalAmount>10000000.00</part2:InvestmentOwnedBalancePrincipalAmount>
      <part2:AvailableForSaleSecuritiesAmortizedCost>9999393.06</part2:AvailableForSaleSecuritiesAmortizedCost>
      <part2:InvestmentOwnedPercentOfNetAssets>0.1005</part2:InvestmentOwnedPercentOfNetAssets>
      <part2:isThisIlliquidSecurity>N</part2:isThisIlliquidSecurity>
      <part2:InvestmentOwnedAtFairValue>9999850.00</part2:InvestmentOwnedAtFairValue>
      <part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>9999850.00</part2:valueOfSecurityExcludingValueOfCapitalSupportAgreement>
    </part2:scheduleOfPortfolioSecurities>
  </scheduleOfPortfolioSecuritiesList>
</edgarSubmission>
