0001047304 2012-04-12 2012-04-12 0001047304 pimco:S000031688Member pimco:AAAAMember 2012-04-12 2012-04-12 0001047304 pimco:S000031688Member pimco:BBBBMember 2012-04-12 2012-04-12 0001047304 pimco:S000031688Member pimco:CCCCMember 2012-04-12 2012-04-12 xbrli:pure iso4217:USD xbrli:shares iso4217:USD xbrli:shares Other 2012-12-31 PIMCO VARIABLE INSURANCE TRUST 0001047304 false 2012-04-12 <div style="display: none">~ http://xbrl.sec.gov/rr/role/RiskReturnDetailData column period compact * row dei_DocumentInformationDocumentAxis compact * row dei_LegalEntityAxis compact * row rr_ProspectusShareClassAxis compact * row rr_PerformanceMeasureAxis compact * row primary compact * ~</div> <div>&nbsp;</div> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="3"><b>PIMCO Variable Insurance Trust </b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Supplement Dated February 4, 2013 to the </b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>PIMCO Global Advantage^® Strategy Bond Administrative Class Prospectus, PIMCO Global Advantage^® Strategy Bond Portfolio Institutional Class Prospectus, </b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>and PIMCO Global Advantage^® Strategy Bond Portfolio Advisor Class </b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Prospectus, each dated April 30, 2012,</b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>as supplemented from time to time (the "Prospectuses")</b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Disclosure Related to the PIMCO Global Advantage^® Strategy Bond Portfolio (the "Portfolio") </b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><i>The following changes to the Prospectuses are effective immediately.</i> </font></p> <div>&nbsp;</div> <div style="display:none">~ http://pimco/role/PerformanceTableDataAAAA column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact pimco_S000031688Member ~</div> <div>&nbsp;</div> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="3"><b>PIMCO Variable Insurance Trust </b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Supplement Dated February 4, 2013 to the </b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Institutional Class Prospectus and Advisor Class and Class M Prospectus, each dated April 30,</b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>2012, as supplemented from time to time (the "Prospectuses")</b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Disclosure Related to the PIMCO Global Advantage^® Strategy Bond Portfolio</b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><i>The following changes to the Prospectuses are effective immediately.</i> </font></p> <div>&nbsp;</div> <div style="display:none">~ http://pimco/role/PerformanceTableDataBBBB column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact pimco_S000031688Member ~</div> <div>&nbsp;</div> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="3"><b>PIMCO Variable Insurance Trust </b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Supplement Dated February 4, 2013 to the </b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Administrative Class Prospectus, dated April 30, 2012, </b></font></p> <p style="MARGIN-TOP: 0px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>as supplemented from time to time (the "Prospectus")</b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px" align="center"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><b>Disclosure Related to the PIMCO Global Advantage^® Strategy Bond Portfolio </b></font></p> <p style="MARGIN-TOP: 12px; MARGIN-BOTTOM: 0px"><font style="FONT-FAMILY: Arial, Helvetica, sans-serif" size="2"><i>The following changes to the Prospectus are effective immediately.</i> </font></p> <div>&nbsp;</div> <div style="display:none">~ http://pimco/role/PerformanceTableDataCCCC column period compact * column rr_ProspectusShareClassAxis compact * row primary compact * row dei_LegalEntityAxis compact pimco_S000031688Member ~</div> 2013-02-04 2013-02-04 <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"><i> The following disclosure is added after the second paragraph in the "Principal Investment Strategies" section in the PIMCO Global Advantage^® Strategy Bond Portfolio's Portfolio Summary in the Prospectus:</i></p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <i> The following is added to the "Principal Risks" section in the PIMCO Global Advantage^® Strategy Bond Portfolio's Portfolio Summary in the Prospectus: </i></p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <i> The following disclosure is added after the second paragraph in the "Principal Investment Strategies" section in the Portfolio's Portfolio Summary in the Prospectuses: </i></p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <i> The following is added to the "Principal Risks" section in the Portfolio's Portfolio Summary in the Prospectuses: </i></p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <i> The following disclosure is added after the second paragraph in the "Principal Investment Strategies" section in the PIMCO Global Advantage^® Strategy Bond Portfolio's Portfolio Summary in the Prospectuses:</i></p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <i> The following is added to the "Principal Risks" section in the PIMCO Global Advantage^® Strategy Bond Portfolio's Portfolio Summary in the Prospectuses: </i></p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> The Portfolio may invest up to 25% of its total assets in the PIMCO Cayman Japan Portfolio I Ltd., a wholly-owned subsidiary of the Portfolio organized under the laws of the Cayman Islands (the "GA Subsidiary"). The Subsidiary is advised by PIMCO and primarily invests in Japanese government bonds, finance bills and treasury bills.</p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> The Portfolio may invest up to 25% of its total assets in the PIMCO Cayman Japan Portfolio I Ltd., a wholly-owned subsidiary of the Portfolio organized under the laws of the Cayman Islands (the "GA Subsidiary"). The Subsidiary is advised by PIMCO and primarily invests in Japanese government bonds, finance bills and treasury bills. </p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> The Portfolio may invest up to 25% of its total assets in the PIMCO Cayman Japan Portfolio I Ltd., a wholly-owned subsidiary of the Portfolio organized under the laws of the Cayman Islands (the "GA Subsidiary"). The Subsidiary is advised by PIMCO and primarily invests in Japanese government bonds, finance bills and treasury bills.</p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <b>Subsidiary Risk:</b> the risk that, by investing in the GA Subsidiary, the Portfolio is indirectly exposed to the risks associated with the GA Subsidiary's investments. The GA Subsidiary is not registered under the 1940 Act and may not be subject to all the investor protections of the 1940 Act. There is no guarantee that the investment objective of the GA Subsidiary will be achieved. </p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <b>Subsidiary Risk:</b> the risk that, by investing in the GA Subsidiary, the Portfolio is indirectly exposed to the risks associated with the GA Subsidiary's investments. The GA Subsidiary is not registered under the 1940 Act and may not be subject to all the investor protections of the 1940 Act. There is no guarantee that the investment objective of the GA Subsidiary will be achieved. </p> <p style="font-size:12;padding-top:2;padding-bottom:0;padding-left:0;"> <b>Subsidiary Risk:</b> the risk that, by investing in the GA Subsidiary, the Portfolio is indirectly exposed to the risks associated with the GA Subsidiary's investments. The GA Subsidiary is not registered under the 1940 Act and may not be subject to all the investor protections of the 1940 Act. There is no guarantee that the investment objective of the GA Subsidiary will be achieved. </p>