COSAX — Columbia Overseas Core Fund

Data updated: 2026-07-29

COSAX — Columbia Overseas Core Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Developed ex-US Mid Cap Blend / Core Equity · $997.52M AUM · 1.16% expense ratio · 26.3% 1-yr return. From SEC regulatory filings.

COSAX Fund Overview

COSAX — Columbia Overseas Core Fund is a US mutual fund managed by Columbia Funds Series Trust II, categorised as Developed ex-US Mid Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Manager: Columbia Funds Series Trust II
  • Category: Developed ex-US Mid Cap Blend / Core Equity
  • Assets under management: $997.52M
  • 1-year return: 26.3%
  • Ticker: COSAX
  • SEC CIK: 0001352280
  • SEC series ID: S000061338
  • Share class ID: C000198586

COSAX Holdings

Top 10 holdings of Columbia Overseas Core Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
ING Groep NV2.43%
Shell PLC2.27%
AstraZeneca PLC2.25%
Primo Brands Corp2.17%
ASM International NV2.16%
Powszechna Kasa Oszczednosci Bank Polski SA2.02%
Columbia Short Term Cash Fund1.89%
National Bank of Greece SA1.87%
Mitsubishi UFJ Financial Group Inc1.82%
Axa SA1.79%

View all COSAX holdings

COSAX Portfolio Allocation

Asset-class allocation of Columbia Overseas Core Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity97.3%
Cash & Equivalents1.9%
Derivatives0.1%

COSAX Performance

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

PeriodTotal return
YTD8.4%
1 year26.3%
3 years (annualised)19.7%
5 years (annualised)8.1%

COSAX Risk Information

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

  • 1-year volatility (annualised): 14.0%

COSAX Costs and Fees

COSAX costs about $116 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 1.16%
  • Gross expense ratio: 1.28%
  • Portfolio turnover: 57%
  • Brokerage commissions: 7.86 bps of average net assets (SEC N-CEN)

COSAX Cashflows

Over the 12 months to 2026-02, Columbia Overseas Core Fund had net outflows of $162.03M, from monthly SEC N-PORT filings.

MonthNet flow
2026-02−$15.50M
2026-01−$23.49M
2025-12$68.99M
2025-11−$8.95M
2025-10−$5.17M
2025-09−$17.97M

COSAX Debt Constituents

No individual debt constituents are reported in Columbia Overseas Core Fund's latest SEC N-PORT filing.

COSAX Prospectus and SEC Filings

Official Columbia Overseas Core Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Developed ex-US Mid Cap Blend / Core Equity 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.