0000898745
2012-09-14
2012-09-14
0000898745
ck0000898745:S000037378Member
ck0000898745:C000115413Member
2012-09-14
2012-09-14
0000898745
ck0000898745:P0001-S000037378Member
ck0000898745:S000037378Member
2012-09-14
2012-09-14
Other
2012-09-14
PRINCIPAL FUNDS INC
0000898745
false
2012-09-14
2012-09-14
2012-06-13
Blue Chip Fund
<p class="MsoNormal" align="center" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in; margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;text-align:center; line-height:normal;text-autospace:none"><b><font style='font-size:10.0pt; font-family:"Arial","sans-serif"'>Supplement dated September 14, 2012</font></b></p> <p class="MsoNormal" align="center" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in; margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;text-align:center; line-height:normal;text-autospace:none"><b><font style='font-size:10.0pt; font-family:"Arial","sans-serif"'>to the Institutional Class Shares Prospectus</font></b></p> <p class="MsoNormal" align="center" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in; margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;text-align:center; line-height:normal;text-autospace:none"><b><font style='font-size:10.0pt; font-family:"Arial","sans-serif"'>for Principal Funds, Inc.</font></b></p> <p class="MsoNormal" align="center" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in; margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;text-align:center; line-height:normal;text-autospace:none"><b><font style='font-size:10.0pt; font-family:"Arial","sans-serif"'>dated June 13, 2012</font></b></p> <p class="MsoNormal" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in;margin-bottom:0in; margin-left:0in;margin-bottom:.0001pt;line-height:normal;text-autospace:none"><font style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </font></p> <p class="MsoNormal" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in;margin-bottom:0in; margin-left:0in;margin-bottom:.0001pt;line-height:normal;text-autospace:none"><font style='font-size:10.0pt;font-family:"Arial","sans-serif"'>This supplement updates information currently in the Prospectus. Retain this supplement with the Prospectus.</font></p> <p class="MsoNormal" style="font-size:11.0pt;font-family:'calibri','sans-serif';margin-top:.05pt;margin-right:0in;margin-bottom:0in; margin-left:0in;margin-bottom:.0001pt;line-height:normal;text-autospace:none"><font style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </font></p> <p class="MsoNormal" style="margin-top:0in;margin-right:0in;margin-left:0in;margin-bottom:10.0pt;line-height:115%;font-size:11.0pt;font-family:'calibri','sans-serif';"><b><font style='font-size:10.0pt;line-height:115%; font-family:"Arial","sans-serif"'>FUND SUMMARIES</font></b></p>
Under the Principal Investment Strategies heading, delete the first paragraph and substitute:
<p class="MsoNormal" style="margin-top:0in;margin-right:0in;margin-left:0in;margin-bottom:10.0pt;line-height:115%;font-size:11.0pt;font-family:'calibri','sans-serif';"><font style='font-size:10.0pt;line-height:115%;font-family: "Arial","sans-serif"'>Under normal circumstances, the Fund invests at least 80% of its net assets, plus any borrowings for investment purposes, in equity securities of companies with large market capitalizations (those with market capitalizations similar to companies in the Russell 1000 Growth® Index (as of December 31, 2011, this range was between approximately $117 million and $401.25 billion) at the time of purchase. The Fund may invest in foreign securities.</font></p>
PBCKX