0001131042 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006182Member 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006182Member 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006183Member 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006183Member 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006185Member 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006185Member 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006186Member 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006186Member 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006189Member 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006189Member 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006183Member ck0001131042:InformationTechnologySectorRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006183Member ck0001131042:InformationTechnologySectorRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006182Member ck0001131042:InformationTechnologySectorRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006182Member ck0001131042:InformationTechnologySectorRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006183Member ck0001131042:InformationTechnologySectorRiskSemiconductorCompaniesRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006183Member ck0001131042:InformationTechnologySectorRiskSemiconductorCompaniesRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006182Member ck0001131042:InformationTechnologySectorRiskSemiconductorCompaniesRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006182Member ck0001131042:InformationTechnologySectorRiskSemiconductorCompaniesRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:RSSharesProspectusMember ck0001131042:S000006185Member ck0001131042:InformationTechnologySectorRiskMember 2026-07-31 2026-07-31 0001131042 ck0001131042:ServiceSharesProspectusMember ck0001131042:S000006185Member ck0001131042:InformationTechnologySectorRiskMember 2026-07-31 2026-07-31 497 0001131042 false N-1A GPS FUNDS I GuideMark® Large Cap Core Fund GuideMark® Large Cap Core Fund GuideMark® Emerging Markets Fund GuideMark® Emerging Markets Fund GuideMark® Small/Mid Cap Core Fund GuideMark® Small/Mid Cap Core Fund GuideMark® World ex-US Fund GuideMark® World ex-US Fund GuideMark® Core Fixed Income Fund GuideMark® Core Fixed Income Fund 2026-10-16 2026-07-31 <div style="margin-bottom:5pt;padding-left:25.2pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Information Technology Sector Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The information technology (IT) sector has historically been relatively volatile due to the rapid pace of product development within the sector. Products and services of IT companies may not achieve commercial success or may become obsolete quickly. Stock prices of companies operating within this sector may be subject to abrupt or erratic movements. Additionally, these companies are subject to significant competitive pressures, such as new market entrants, aggressive pricing and tight profit margins. The activities of these companies may also be adversely affected by changes in government regulations. Unlike market benchmarks, the Fund is subject to certain regulatory requirements governing issuer diversification and industry concentration within the Fund’s portfolio. To the extent equity market performance is driven by a relatively small group of companies, the Fund may not be able to implement its strategy as intended due to these regulatory constraints.</span></div><div style="padding-left:61.2pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Symbol',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span></div>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <div style="margin-bottom:5pt;padding-left:25.2pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Information Technology Sector Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The information technology (IT) sector has historically been relatively volatile due to the rapid pace of product development within the sector. Products and services of IT companies may not achieve commercial success or may become obsolete quickly. Stock prices of companies operating within this sector may be subject to abrupt or erratic movements. Additionally, these companies are subject to significant competitive pressures, such as new market entrants, aggressive pricing and tight profit margins. The activities of these companies may also be adversely affected by changes in government regulations. Unlike market benchmarks, the Fund is subject to certain regulatory requirements governing issuer diversification and industry concentration within the Fund’s portfolio. To the extent equity market performance is driven by a relatively small group of companies, the Fund may not be able to implement its strategy as intended due to these regulatory constraints.</span></div><div style="padding-left:61.2pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Symbol',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span></div>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <div style="margin-bottom:5pt;padding-left:25.2pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Information Technology Sector Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The information technology (IT) sector has historically been relatively volatile due to the rapid pace of product development within the sector. Products and services of IT companies may not achieve commercial success or may become obsolete quickly. Stock prices of companies operating within this sector may be subject to abrupt or erratic movements. Additionally, these companies are subject to significant competitive pressures, such as new market entrants, aggressive pricing and tight profit margins. The activities of these companies may also be adversely affected by changes in government regulations. Unlike market benchmarks, the Fund is subject to certain regulatory requirements governing issuer diversification and industry concentration within the Fund’s portfolio. To the extent equity market performance is driven by a relatively small group of companies, the Fund may not be able to implement its strategy as intended due to these regulatory constraints.</span></div><div style="padding-left:61.2pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Symbol',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span></div>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <div style="margin-bottom:5pt;padding-left:25.2pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Information Technology Sector Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The information technology (IT) sector has historically been relatively volatile due to the rapid pace of product development within the sector. Products and services of IT companies may not achieve commercial success or may become obsolete quickly. Stock prices of companies operating within this sector may be subject to abrupt or erratic movements. Additionally, these companies are subject to significant competitive pressures, such as new market entrants, aggressive pricing and tight profit margins. The activities of these companies may also be adversely affected by changes in government regulations. Unlike market benchmarks, the Fund is subject to certain regulatory requirements governing issuer diversification and industry concentration within the Fund’s portfolio. To the extent equity market performance is driven by a relatively small group of companies, the Fund may not be able to implement its strategy as intended due to these regulatory constraints.</span></div><div style="padding-left:61.2pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Symbol',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span></div>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt;text-decoration:underline">Semiconductor Companies Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The semiconductor industry has experienced significant volatility and is subject to the risk of product obsolescence due to rapid technological change, cyclical market patterns, including periods of over-capacity and production shortages, raw materials shortages, variations in manufacturing costs and yields, price erosion, and significant capital expenditures for equipment and product development. Semiconductor companies depend significantly on third-party suppliers and the availability of raw materials may be negatively impacted by supply chain disruptions. These companies may also be adversely affected by the loss or impairment of intellectual property rights. Growing demand related to computing power to support artificial intelligence and other emerging technologies may contribute to increased competition, capacity constraints and </span>customer concentration which could heighten volatility in the industry and increase the Fund’s risk of loss on its investments in such companies. <div style="padding-left:25.2pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Information Technology Sector Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The information technology (IT) sector has historically been relatively volatile due to the rapid pace of product development within the sector. Products and services of IT companies may not achieve commercial success or may become obsolete quickly. Stock prices of companies operating within this sector may be subject to abrupt or erratic movements. Additionally, these companies are subject to significant competitive pressures, such as new market entrants, aggressive pricing and tight profit margins. The activities of these companies may also be adversely affected by changes in government regulations. Unlike market benchmarks, the Fund is subject to certain regulatory requirements governing issuer diversification and industry concentration within the Fund’s portfolio. To the extent equity market performance is driven by a relatively small group of companies, the Fund may not be able to implement its strategy as intended due to these regulatory constraints.</span></div> <div style="padding-left:25.2pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-style:italic;font-weight:700;line-height:120%">Information Technology Sector Risk.</span><span style="color:#000000;font-family:'Times New Roman',serif;font-size:11pt;font-weight:400;line-height:120%"> The information technology (IT) sector has historically been relatively volatile due to the rapid pace of product development within the sector. Products and services of IT companies may not achieve commercial success or may become obsolete quickly. Stock prices of companies operating within this sector may be subject to abrupt or erratic movements. Additionally, these companies are subject to significant competitive pressures, such as new market entrants, aggressive pricing and tight profit margins. The activities of these companies may also be adversely affected by changes in government regulations. Unlike market benchmarks, the Fund is subject to certain regulatory requirements governing issuer diversification and industry concentration within the Fund’s portfolio. To the extent equity market performance is driven by a relatively small group of companies, the Fund may not be able to implement its strategy as intended due to these regulatory constraints.</span></div>