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        <cusip>000000000</cusip>
        <identifiers>
          <ticker value="1062T"/>
          <other otherDesc="Internal" value="707593109"/>
        </identifiers>
        <balance>290675.86770000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>4714762.57000000</valUSD>
        <pctVal>4.999976574751</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>DEVELOPED INTERNATIONAL INDEX</name>
        <lei>N/A</lei>
        <title>DEVELOPED INTERNATIONAL INDEX</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707599791"/>
        </identifiers>
        <balance>169884.15320000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>2791196.64000000</valUSD>
        <pctVal>2.960046790972</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>EMERGING MARKETS EQUITY FUND</name>
        <lei>N/A</lei>
        <title>EMERGING MARKETS EQUITY FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707599817"/>
        </identifiers>
        <balance>120446.21630000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1838009.26000000</valUSD>
        <pctVal>1.949197463866</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>INDEX 500 FUND</name>
        <lei>N/A</lei>
        <title>INDEX 500 FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707599403"/>
        </identifiers>
        <balance>164566.61630000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>5641343.61000000</valUSD>
        <pctVal>5.982610042678</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>FLEXIBLY MANAGED FUND</name>
        <lei>N/A</lei>
        <title>FLEXIBLY MANAGED FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707583100"/>
        </identifiers>
        <balance>93959.16990000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>7539283.79000000</valUSD>
        <pctVal>7.995363876914</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>SMALL CAP INDEX FUND</name>
        <lei>N/A</lei>
        <title>SMALL CAP INDEX FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707599734"/>
        </identifiers>
        <balance>26073.50700000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>884674.09000000</valUSD>
        <pctVal>0.938191406378</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>REIT FUND</name>
        <lei>N/A</lei>
        <title>REIT FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707599866"/>
        </identifiers>
        <balance>65218.77680000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>1867213.58000000</valUSD>
        <pctVal>1.980168464784</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>LIMITED MATURITY BOND FUND</name>
        <lei>N/A</lei>
        <title>LIMITED MATURITY BOND FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707599502"/>
        </identifiers>
        <balance>1617570.43890000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>21594565.36000000</valUSD>
        <pctVal>22.90090313963</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
      <invstOrSec>
        <name>QUALITY BOND FUND</name>
        <lei>N/A</lei>
        <title>QUALITY BOND FUND</title>
        <cusip>000000000</cusip>
        <identifiers>
          <other otherDesc="Internal" value="707603106"/>
        </identifiers>
        <balance>1607307.12070000</balance>
        <units>NS</units>
        <curCd>USD</curCd>
        <valUSD>27179563.41000000</valUSD>
        <pctVal>28.82375906407</pctVal>
        <payoffProfile>Long</payoffProfile>
        <assetCat>EC</assetCat>
        <issuerCat>RF</issuerCat>
        <invCountry>US</invCountry>
        <isRestrictedSec>N</isRestrictedSec>

        <fairValLevel>1</fairValLevel>
        <securityLending>
          <isCashCollateral>N</isCashCollateral>
          <isNonCashCollateral>N</isNonCashCollateral>
          <isLoanByFund>N</isLoanByFund>
        </securityLending>
      </invstOrSec>
    </invstOrSecs>
    <explntrNotes>
      <explntrNote note="Monthly returns presented in Item B.5(a) have been calculated without deducting any applicable sales loads or redemption fees." noteItem="B.5.a"/>
    </explntrNotes>
    <signature>
      <ncom:dateSigned>2021-05-19</ncom:dateSigned>
      <ncom:nameOfApplicant>Penn Series Funds Inc</ncom:nameOfApplicant>
      <ncom:signature>Steve Viola</ncom:signature>
      <ncom:signerName>Steve Viola</ncom:signerName>
      <ncom:title>Treasurer</ncom:title>
    </signature>
  </formData>
  <documents>XXXX</documents>
</edgarSubmission>
