GMOBX — GMO Asset Allocation Bond Fund

Data updated: 2026-07-29

GMOBX — GMO Asset Allocation Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Alternative · $117.73M AUM · 0.46% expense ratio · -4.5% 1-yr return. From SEC regulatory filings.

GMOBX Fund Overview

GMOBX — GMO Asset Allocation Bond Fund is a US mutual fund managed by Gmo Trust, categorised as Alternative. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Manager: Gmo Trust
  • Category: Alternative
  • Assets under management: $117.73M
  • 1-year return: -4.5%
  • Ticker: GMOBX
  • SEC CIK: 0000772129
  • SEC series ID: S000025199
  • Share class ID: C000075099

GMOBX Holdings

Top 6 holdings of GMO Asset Allocation Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Nomura Fixed Income Securities Private Ltd.90.04%
United States Treasury4.13%
United States Treasury3.76%
State Street Global Advisors2.16%
Chicago Board of Trade1.12%
JPMorgan Chase Bank NA0.01%

View all GMOBX holdings

GMOBX Portfolio Allocation

Asset-class allocation of GMO Asset Allocation Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Cash & Equivalents92.2%
Fixed Income7.9%
Real Estate1.1%

GMOBX Performance

Total returns for GMOBX (as of 2026-08-01), from SEC filings.

PeriodTotal return
YTD-7.3%
1 year-4.5%
3 years (annualised)-6.3%

GMOBX Risk Information

Risk metrics for GMOBX, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 10.3%

GMOBX Costs and Fees

GMOBX costs about $46 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.46%
  • Gross expense ratio: 0.75%
  • Portfolio turnover: 95%
  • Brokerage commissions: 2.77 bps of average net assets (SEC N-CEN)

GMOBX Cashflows

Over the 12 months to 2026-02, GMO Asset Allocation Bond Fund had net inflows of $61.83M, from monthly SEC N-PORT filings.

MonthNet flow
2026-02$48.48M
2026-01$5.13M
2025-12$2.77M
2025-11$9.44M
2025-10$0
2025-09$161.00K

GMOBX Debt Constituents

Largest debt holdings of GMO Asset Allocation Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.

Debt holding% of net assets
United States Treasury4.13%
United States Treasury3.76%

GMOBX Prospectus and SEC Filings

Official GMO Asset Allocation Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Alternative 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.