GMDYX — Medium-Duration Bond Fund
Data updated: 2026-08-27
GMDYX — Medium-Duration Bond Fund. Long Total / Aggregate Bond · $3.84B AUM · 0.40% expense ratio. Holdings, fees, performance and SEC filings.
GMDYX Fund Overview
GMDYX — Medium-Duration Bond Fund is a US mutual fund managed by GuideStone Funds, 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: GuideStone Funds
- Category: Long Total / Aggregate Bond
- Assets under management: $3.84B
- 1-year return: 4.6%
- Ticker: GMDYX
- SEC CIK: 0001131013
- SEC series ID: S000001155
- Share class ID: C000003083
GMDYX Holdings
Top 10 holdings of Medium-Duration Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Chicago Board of Trade | 24.22% |
| Ice Futures Europe - Financial Products Division | 7.41% |
| Btopn Dbsi/fixe To 02/0 | 6.51% |
| Btopn Citigroup To 01/0 | 2.93% |
| Federal National Mortgage Association | 2.86% |
| Guidestone Funds | 2.43% |
| Federal National Mortgage Association | 2.36% |
| Federal National Mortgage Association | 2.32% |
| Federal National Mortgage Association | 2.12% |
| United States Of America - Bureau Of The Public Debt | 2.08% |
GMDYX Portfolio Allocation
Asset-class allocation of Medium-Duration Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 57.1% |
| Securitized | 48.1% |
| Real Estate | 34.3% |
| Cash & Equivalents | 12.8% |
| Loans | 1.9% |
| Derivatives | 0.2% |
| Equity | 0.1% |
GMDYX Performance
Total returns for GMDYX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.7% |
| 1 year | 4.6% |
| 3 years (annualised) | 4.8% |
| 5 years (annualised) | 0.1% |
GMDYX Risk Information
Risk metrics for GMDYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.2%
GMDYX Costs and Fees
GMDYX costs about $40 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.40%
- Gross expense ratio: 0.40%
- Portfolio turnover: 409%
- Brokerage commissions: 0.64 bps of average net assets (SEC N-CEN)
GMDYX Cashflows
Over the 12 months to 2026-06, Medium-Duration Bond Fund had net inflows of $622.32M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $38.21M |
| 2026-05 | $112.04M |
| 2026-04 | $47.51M |
| 2026-03 | −$6.25M |
| 2026-02 | $33.03M |
| 2026-01 | $81.91M |
GMDYX Debt Constituents
Largest debt holdings of Medium-Duration Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Of America - Bureau Of The Public Debt | 2.08% |
| United States Of America - Bureau Of The Public Debt | 1.99% |
| United States Of America - Bureau Of The Public Debt | 0.86% |
| United States Of America - Bureau Of The Public Debt | 0.82% |
| United States Of America - Bureau Of The Public Debt | 0.73% |
| United States Of America - Bureau Of The Public Debt | 0.72% |
| United States Of America - Bureau Of The Public Debt | 0.68% |
| United States Of America - Bureau Of The Public Debt | 0.59% |
| United States Of America - Bureau Of The Public Debt | 0.57% |
| United States Of America - Bureau Of The Public Debt | 0.56% |
GMDYX Prospectus and SEC Filings
Official Medium-Duration Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-04-29
- Prospectus (485BPOS) — filed 2025-04-29
- Prospectus supplement (497) — filed 2024-11-15
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-28
- Portfolio holdings (N-PORT) — filed 2026-02-23
- Annual census (N-CEN) — filed 2026-03-11
- Annual census (N-CEN) — filed 2025-03-11
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.