<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xsi:schemaLocation="http://www.sec.gov/edgar/nmfp1 eis_NMFP1_Filer.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:ns2="http://www.sec.gov/edgar/statecodes" xmlns:ns3="http://www.sec.gov/edgar/nmfp1common" xmlns="http://www.sec.gov/edgar/nmfp1">
  <headerData>
    <submissionType>N-MFP1</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0000844779</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <notifications/>
      <notifications/>
      <notifications/>
      <notifications/>
      <notifications/>
      <notifications/>
      <notifications/>
    </filerInfo>
  </headerData>
  <formData>
    <generalInfo>
      <reportDate>2016-06-30</reportDate>
      <cik>0000844779</cik>
      <seriesId>S000001514</seriesId>
      <totalShareClassesInSeries>3</totalShareClassesInSeries>
      <finalFilingFlag>N</finalFilingFlag>
      <fundAcqrdOrMrgdWthAnthrFlag>N</fundAcqrdOrMrgdWthAnthrFlag>
    </generalInfo>
    <seriesLevelInfo>
      <securitiesActFileNumber>033-26305</securitiesActFileNumber>
      <adviser>
        <adviserName>BlackRock Advisors, LLC</adviserName>
        <adviserFileNumber>801-47710</adviserFileNumber>
      </adviser>
      <indpPubAccountant>
        <name>Deloitte &amp; Touche LLP</name>
        <city>Philadelphia</city>
        <stateCountry>PA</stateCountry>
      </indpPubAccountant>
      <administrator>
        <administratorName>BlackRock Advisors, LLC</administratorName>
      </administrator>
      <administrator>
        <administratorName>BNY Mellon Investment Servicing (US) Inc.</administratorName>
      </administrator>
      <transferAgent>
        <name>BNY Mellon Investment Servicing (US) Inc.</name>
        <cik>0000849542</cik>
        <fileNumber>084-01761</fileNumber>
      </transferAgent>
      <feederFundFlag>N</feederFundFlag>
      <masterFundFlag>N</masterFundFlag>
      <seriesFundInsuCmpnySepAccntFlag>N</seriesFundInsuCmpnySepAccntFlag>
      <moneyMarketFundCategory>Treasury</moneyMarketFundCategory>
      <fundExemptRetailFlag>N</fundExemptRetailFlag>
      <averagePortfolioMaturity>2</averagePortfolioMaturity>
      <averageLifeMaturity>2</averageLifeMaturity>
      <totalValueDailyLiquidAssets>
        <ns3:fridayWeek1>238755827.50</ns3:fridayWeek1>
        <ns3:fridayWeek2>35411941.04</ns3:fridayWeek2>
        <ns3:fridayWeek3>32961184.67</ns3:fridayWeek3>
        <ns3:fridayWeek4>33943100.80</ns3:fridayWeek4>
      </totalValueDailyLiquidAssets>
      <totalValueWeeklyLiquidAssets>
        <ns3:fridayWeek1>242755951.90</ns3:fridayWeek1>
        <ns3:fridayWeek2>35411941.04</ns3:fridayWeek2>
        <ns3:fridayWeek3>32961184.67</ns3:fridayWeek3>
        <ns3:fridayWeek4>33943100.80</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.00</ns3:fridayWeek5>
      </totalValueWeeklyLiquidAssets>
      <percentageDailyLiquidAssets>
        <ns3:fridayWeek1>0.9835</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0000</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0000</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0000</ns3:fridayWeek4>
      </percentageDailyLiquidAssets>
      <percentageWeeklyLiquidAssets>
        <ns3:fridayWeek1>1.0000</ns3:fridayWeek1>
        <ns3:fridayWeek2>1.0000</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0000</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0000</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.0000</ns3:fridayWeek5>
      </percentageWeeklyLiquidAssets>
      <cash>197515.98</cash>
      <totalValuePortfolioSecurities>34599795.40</totalValuePortfolioSecurities>
      <amortizedCostPortfolioSecurities>34599582.92</amortizedCostPortfolioSecurities>
      <totalValueOtherAssets>53760.05</totalValueOtherAssets>
      <totalValueLiabilities>116543.44</totalValueLiabilities>
      <netAssetOfSeries>34734315.51</netAssetOfSeries>
      <numberOfSharesOutstanding>34734174.6900</numberOfSharesOutstanding>
      <stablePricePerShare>1.0000</stablePricePerShare>
      <sevenDayGrossYield>0.0043</sevenDayGrossYield>
      <netAssetValue>
        <ns3:fridayWeek1>0.9998</ns3:fridayWeek1>
        <ns3:fridayWeek2>0.9992</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0000</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0000</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.0000</ns3:fridayWeek5>
      </netAssetValue>
    </seriesLevelInfo>
    <classLevelInfo>
      <classesId>C000004085</classesId>
      <minInitialInvestment>2000000.00</minInitialInvestment>
      <netAssetsOfClass>7647198.18</netAssetsOfClass>
      <numberOfSharesOutstanding>7647167.1700</numberOfSharesOutstanding>
      <netAssetPerShare>
        <ns3:fridayWeek1>0.9999</ns3:fridayWeek1>
        <ns3:fridayWeek2>0.9992</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0000</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0000</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.0000</ns3:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>8837256.70</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>22127.70</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>1873124.22</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>144837561.35</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>880797.88</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>69476.38</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>698276.04</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>86278.27</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>12684204.73</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>145071250.74</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0001</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors waived $14,532 in management and administration fees.</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000004086</classesId>
      <minInitialInvestment>5000.00</minInitialInvestment>
      <netAssetsOfClass>1258895.64</netAssetsOfClass>
      <numberOfSharesOutstanding>1258890.5400</numberOfSharesOutstanding>
      <netAssetPerShare>
        <ns3:fridayWeek1>0.9999</ns3:fridayWeek1>
        <ns3:fridayWeek2>0.9992</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0000</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0000</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.0000</ns3:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>12219200.05</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>7068751.70</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>2791753.82</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>71630501.52</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>24626.60</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>5165.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>38664.19</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>5087586.88</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>78749517.41</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors waived $4,134 in management and administration fees.  BlackRock Investments, LLC waived $4,150 in service/distribution fees.</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <classLevelInfo>
      <classesId>C000004087</classesId>
      <minInitialInvestment>1000.00</minInitialInvestment>
      <netAssetsOfClass>25828221.69</netAssetsOfClass>
      <numberOfSharesOutstanding>25828116.9800</numberOfSharesOutstanding>
      <netAssetPerShare>
        <ns3:fridayWeek1>0.9999</ns3:fridayWeek1>
        <ns3:fridayWeek2>0.9992</ns3:fridayWeek2>
        <ns3:fridayWeek3>1.0000</ns3:fridayWeek3>
        <ns3:fridayWeek4>1.0000</ns3:fridayWeek4>
        <ns3:fridayWeek5>0.0000</ns3:fridayWeek5>
      </netAssetPerShare>
      <fridayWeek1>
        <weeklyGrossSubscriptions>50077.14</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>50299.19</weeklyGrossRedemptions>
      </fridayWeek1>
      <fridayWeek2>
        <weeklyGrossSubscriptions>4495449.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>56132.78</weeklyGrossRedemptions>
      </fridayWeek2>
      <fridayWeek3>
        <weeklyGrossSubscriptions>564867.76</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>4198849.05</weeklyGrossRedemptions>
      </fridayWeek3>
      <fridayWeek4>
        <weeklyGrossSubscriptions>889958.98</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>93491.45</weeklyGrossRedemptions>
      </fridayWeek4>
      <fridayWeek5>
        <weeklyGrossSubscriptions>0.00</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>0.00</weeklyGrossRedemptions>
      </fridayWeek5>
      <totalForTheMonthReported>
        <weeklyGrossSubscriptions>6362198.47</weeklyGrossSubscriptions>
        <weeklyGrossRedemptions>4427761.56</weeklyGrossRedemptions>
      </totalForTheMonthReported>
      <sevenDayNetYield>0.0000</sevenDayNetYield>
      <personPayForFundFlag>Y</personPayForFundFlag>
      <nameOfPersonDescExpensePay>BlackRock Advisors waived $9,440 in management and administration fees.  BlackRock Investments, LLC waived $5,341 in service/distribution fees.</nameOfPersonDescExpensePay>
    </classLevelInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>UNITED STATES TREASURY</nameOfIssuer>
      <titleOfIssuer>TREASURY BILL 0.000000%</titleOfIssuer>
      <CUSIPMember>912796JG5</CUSIPMember>
      <ISINId>US912796JG56</ISINId>
      <investmentCategory>U.S. Treasury Debt</investmentCategory>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>Govt</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>Govt</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1+</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-08-25</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-08-25</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-08-25</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0022</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>599795.40</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>599795.40</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.0173</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>TD SECURITIES (USA) LLC</nameOfIssuer>
      <titleOfIssuer>TRI-PARTY TD SECURITIES (USA) LLC 0.420000%</titleOfIssuer>
      <LEIID>SUVUFHICNZMP2WKHG940</LEIID>
      <cik>0000803012</cik>
      <otherUniqueId>BRT326VV5</otherUniqueId>
      <investmentCategory>U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash</investmentCategory>
      <fundAcqstnUndrlyngSecurityFlag>Y</fundAcqstnUndrlyngSecurityFlag>
      <repurchaseAgreement>
        <repurchaseAgreementOpenFlag>N</repurchaseAgreementOpenFlag>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2021-01-31</date>
          </maturityDate>
          <couponOrYield>1.375000</couponOrYield>
          <principalAmountToTheNearestCent>5977600.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>6119814.33</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2025-05-15</date>
          </maturityDate>
          <couponOrYield>2.125000</couponOrYield>
          <principalAmountToTheNearestCent>200.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>212.24</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
      </repurchaseAgreement>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>NR</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>NR</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1+</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0042</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1727</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>RBC CAPITAL MARKETS LLC</nameOfIssuer>
      <titleOfIssuer>TRI-PARTY RBC CAPITAL MARKETS, LLC 0.380000%</titleOfIssuer>
      <LEIID>549300LCO2FLSSVFFR64</LEIID>
      <cik>0000050916</cik>
      <otherUniqueId>BRT326W44</otherUniqueId>
      <investmentCategory>U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash</investmentCategory>
      <fundAcqstnUndrlyngSecurityFlag>Y</fundAcqstnUndrlyngSecurityFlag>
      <repurchaseAgreement>
        <repurchaseAgreementOpenFlag>N</repurchaseAgreementOpenFlag>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2026-11-15</date>
          </maturityDate>
          <couponOrYield>0.00</couponOrYield>
          <principalAmountToTheNearestCent>1262548.12</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>1061108.57</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2022-07-31</date>
          </maturityDate>
          <couponOrYield>2.000000</couponOrYield>
          <principalAmountToTheNearestCent>4793000.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>5058938.18</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
      </repurchaseAgreement>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>NR</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>P-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1+</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0038</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1727</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>BNP PARIBAS SA</nameOfIssuer>
      <titleOfIssuer>TRI-PARTY BNP PARIBAS 0.400000%</titleOfIssuer>
      <LEIID>R0MUWSFPU8MPRO8K5P83</LEIID>
      <cik>0000310732</cik>
      <otherUniqueId>BRT326WA0</otherUniqueId>
      <investmentCategory>U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash</investmentCategory>
      <fundAcqstnUndrlyngSecurityFlag>Y</fundAcqstnUndrlyngSecurityFlag>
      <repurchaseAgreement>
        <repurchaseAgreementOpenFlag>N</repurchaseAgreementOpenFlag>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2017-06-22</date>
          </maturityDate>
          <couponOrYield>0.00</couponOrYield>
          <principalAmountToTheNearestCent>4097500.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>4079430.02</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2021-05-31</date>
          </maturityDate>
          <couponOrYield>2.000000</couponOrYield>
          <principalAmountToTheNearestCent>600.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>628.92</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
      </repurchaseAgreement>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>F1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>P-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0040</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>4000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>4000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1152</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>MERRILL LYNCH PIERCE FENNER &amp; SMITH INC</nameOfIssuer>
      <titleOfIssuer>TRI-PARTY MERRILL LYNCH, PIERCE, FENNER &amp; SMITH INC 0.420000%</titleOfIssuer>
      <LEIID>8NAV47T0Y26Q87Y0QP81</LEIID>
      <cik>0000728612</cik>
      <otherUniqueId>BRT326WB8</otherUniqueId>
      <investmentCategory>U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash</investmentCategory>
      <fundAcqstnUndrlyngSecurityFlag>Y</fundAcqstnUndrlyngSecurityFlag>
      <repurchaseAgreement>
        <repurchaseAgreementOpenFlag>N</repurchaseAgreementOpenFlag>
        <collateralIssuers>
          <nameOfCollateralIssuer>TRIN 04/15/17 0.1250</nameOfCollateralIssuer>
          <maturityDate>
            <date>2017-04-15</date>
          </maturityDate>
          <couponOrYield>0.125000</couponOrYield>
          <principalAmountToTheNearestCent>5773600.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>6120066.84</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
      </repurchaseAgreement>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>F1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>NR</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0042</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1727</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>JP MORGAN SECURITIES LLC</nameOfIssuer>
      <titleOfIssuer>TRI-PARTY J.P. MORGAN SECURITIES LLC 0.400000%</titleOfIssuer>
      <LEIID>ZBUT11V806EZRVTWT807</LEIID>
      <cik>0000782124</cik>
      <otherUniqueId>BRT326WD4</otherUniqueId>
      <investmentCategory>U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash</investmentCategory>
      <fundAcqstnUndrlyngSecurityFlag>Y</fundAcqstnUndrlyngSecurityFlag>
      <repurchaseAgreement>
        <repurchaseAgreementOpenFlag>N</repurchaseAgreementOpenFlag>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2022-05-31</date>
          </maturityDate>
          <couponOrYield>1.875000</couponOrYield>
          <principalAmountToTheNearestCent>5875000.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>6120314.60</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
      </repurchaseAgreement>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>F1+</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>P-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0040</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1727</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <scheduleOfPortfolioSecuritiesInfo>
      <nameOfIssuer>MORGAN STANLEY &amp; CO LLC</nameOfIssuer>
      <titleOfIssuer>TRI-PARTY MORGAN STANLEY &amp; CO LLC 0.270000%</titleOfIssuer>
      <LEIID>9R7GPTSO7KV3UQJZQ078</LEIID>
      <cik>0001359291</cik>
      <otherUniqueId>BRT326WE2</otherUniqueId>
      <investmentCategory>U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash</investmentCategory>
      <fundAcqstnUndrlyngSecurityFlag>Y</fundAcqstnUndrlyngSecurityFlag>
      <repurchaseAgreement>
        <repurchaseAgreementOpenFlag>N</repurchaseAgreementOpenFlag>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREASURY</nameOfCollateralIssuer>
          <maturityDate>
            <date>2043-05-15</date>
          </maturityDate>
          <couponOrYield>2.875000</couponOrYield>
          <principalAmountToTheNearestCent>5403000.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>6118896.15</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
        <collateralIssuers>
          <nameOfCollateralIssuer>UNITED STATES TREAS BDS</nameOfCollateralIssuer>
          <maturityDate>
            <date>2030-05-15</date>
          </maturityDate>
          <couponOrYield>6.250000</couponOrYield>
          <principalAmountToTheNearestCent>700.00</principalAmountToTheNearestCent>
          <valueOfCollateralToTheNearestCent>1107.31</valueOfCollateralToTheNearestCent>
          <ctgryInvestmentsRprsntsCollateral>U.S. Treasuries (including strips)</ctgryInvestmentsRprsntsCollateral>
        </collateralIssuers>
      </repurchaseAgreement>
      <securityRated>First Tier Security</securityRated>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Fitch, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>NR</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Moody's Investors Service, Inc.</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>NR</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <designatedNrsro>
        <nameOfDesignatedNRSRO>Standard and Poor's Ratings Services</nameOfDesignatedNRSRO>
        <creditRatingDesignatedNRSRO>A-1</creditRatingDesignatedNRSRO>
      </designatedNrsro>
      <investmentMaturityDateWAM>2016-07-01</investmentMaturityDateWAM>
      <investmentMaturityDateWAL>2016-07-01</investmentMaturityDateWAL>
      <finalLegalInvestmentMaturityDate>2016-07-01</finalLegalInvestmentMaturityDate>
      <securityDemandFeatureFlag>N</securityDemandFeatureFlag>
      <securityGuaranteeFlag>N</securityGuaranteeFlag>
      <securityEnhancementsFlag>N</securityEnhancementsFlag>
      <yieldOfTheSecurityAsOfReportingDate>0.0027</yieldOfTheSecurityAsOfReportingDate>
      <includingValueOfAnySponsorSupport>6000000.00</includingValueOfAnySponsorSupport>
      <excludingValueOfAnySponsorSupport>6000000.00</excludingValueOfAnySponsorSupport>
      <percentageOfMoneyMarketFundNetAssets>0.1727</percentageOfMoneyMarketFundNetAssets>
      <securityCategorizedAtLevel3Flag>N</securityCategorizedAtLevel3Flag>
      <dailyLiquidAssetSecurityFlag>Y</dailyLiquidAssetSecurityFlag>
      <weeklyLiquidAssetSecurityFlag>Y</weeklyLiquidAssetSecurityFlag>
      <illiquidSecurityFlag>N</illiquidSecurityFlag>
    </scheduleOfPortfolioSecuritiesInfo>
    <signature>
      <registrant>BlackRock Funds</registrant>
      <signatureDate>2016-07-08</signatureDate>
      <signature>/s/Neal J. Andrews</signature>
      <nameOfSigningOfficer>Neal J. Andrews</nameOfSigningOfficer>
      <titleOfSigningOfficer>Chief Financial Officer</titleOfSigningOfficer>
    </signature>
  </formData>
</edgarSubmission>
