GMCOX — GuideMark Core Fixed Income Fund
Data updated: 2026-06-15
GMCOX — GuideMark Core Fixed Income Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $172.52M AUM · 0.95% expense ratio · 3.7% 1-yr return. From SEC regulatory filings.
GMCOX Fund Overview
GMCOX — GuideMark Core Fixed Income Fund is a US mutual fund managed by GPS Funds I, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: GPS Funds I
- Category: Long Total / Aggregate Bond
- Assets under management: $172.52M
- 1-year return: 3.7%
- Ticker: GMCOX
- SEC CIK: 0001131042
- SEC series ID: S000006189
- Share class ID: C000017037
GMCOX Holdings
Top 10 holdings of GuideMark Core Fixed Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| JPMorgan US Government Money M | 5.49% |
| US Treasury N/b | 2.74% |
| US Treasury N/b | 2.50% |
| US Treasury N/b | 2.31% |
| Fannie Mae or Freddie Mac | 1.97% |
| US Treasury N/b | 1.88% |
| Fannie Mae or Freddie Mac | 1.51% |
| Fannie Mae or Freddie Mac | 1.39% |
| Government National Mortgage A | 1.32% |
| US Treasury N/b | 1.31% |
GMCOX Portfolio Allocation
Asset-class allocation of GuideMark Core Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 52.4% |
| Securitized | 52.3% |
| Cash & Equivalents | 5.5% |
| Real Estate | 0.3% |
GMCOX Performance
Total returns for GMCOX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.4% |
| 1 year | 3.7% |
| 3 years (annualised) | 3.5% |
| 5 years (annualised) | -0.2% |
GMCOX Risk Information
Risk metrics for GMCOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.5%
GMCOX Costs and Fees
GMCOX costs about $95 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.95%
- Gross expense ratio: 1.00%
- Portfolio turnover: 191%
- Brokerage commissions: 0.31 bps of average net assets (SEC N-CEN)
GMCOX Cashflows
Over the 12 months to 2026-03, GuideMark Core Fixed Income Fund had net inflows of $4.96M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $22.52K |
| 2026-02 | $3.87M |
| 2026-01 | −$740.69K |
| 2025-12 | −$953.94K |
| 2025-11 | −$2.82M |
| 2025-10 | $2.10M |
GMCOX Debt Constituents
Largest debt holdings of GuideMark Core Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| US Treasury N/b | 2.74% |
| US Treasury N/b | 2.50% |
| US Treasury N/b | 2.31% |
| US Treasury N/b | 1.88% |
| US Treasury N/b | 1.31% |
| US Treasury N/b | 1.24% |
| US Treasury N/b | 1.14% |
| US Treasury N/b | 1.09% |
| US Treasury N/b | 1.08% |
| US Treasury N/b | 1.06% |
GMCOX Prospectus and SEC Filings
Official GuideMark Core Fixed Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Total / Aggregate Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.