0001026708 ck0001026708:S000001038Member 2021-01-12 2021-01-12 0001026708 2021-01-12 2021-01-12 497 2020-12-31 0001026708 false 2021-01-12 2021-01-12 N-1A <div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">IMPORTANT NOTICE TO SHAREHOLDERS </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%"> WILSHIRE VARIABLE INSURANCE TRUST</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Wilshire Global Allocation Fund (the “Fund”)</span></div><div><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">Supplement dated January 12, 2021 </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">to the Fund’s Summary Prospectus, Statutory Prospectus,</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%">and Statement of Additional Information (“SAI”),</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%"> each dated April 30, 2020, as previously supplemented</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">THIS SUPPLEMENT REPLACES AND SUPERSEDES ANY CONTRARY INFORMATION CONTAINED IN THE FUND’S SUMMARY PROSPECTUS, STATUTORY PROSPECTUS, AND SAI</span></div><div><span><br/></span></div><div style="margin-bottom:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Effective January 8, 2021, Wilshire Associates Incorporated, the investment adviser to the Fund, has changed its name to Wilshire Advisors, LLC. Accordingly, all references in the Fund’s Summary Prospectus, Statutory Prospectus, and SAI to “Wilshire Associates Incorporated” are hereby deleted and replaced with references to “Wilshire Advisors, LLC.”</span></div> WILSHIRE VARIABLE INSURANCE TRUST Wilshire Global Allocation Fund 2020-04-30