ON S&P 500® Index Portfolio

Data updated: 2026-05-29

C000021418 — ON S&P 500® Index Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Large Cap Blend / Core Equity · $1.10B AUM · 0.38% expense ratio · 17.4% 1-yr return. From SEC regulatory filings.

C000021418 Fund Overview

ON S&P 500® Index Portfolio is a US mutual fund managed by Ohio National Fund INC, categorised as United States Large 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: Ohio National Fund INC
  • Category: United States Large Cap Blend / Core Equity
  • Assets under management: $1.10B
  • 1-year return: 17.4%
  • SEC CIK: 0000315754
  • SEC series ID: S000007877
  • Share class ID: C000021418

C000021418 Holdings

Top 10 holdings of ON S&P 500® Index Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
NVIDIA Corp.7.50%
Apple Inc.6.60%
Microsoft Corp.4.87%
Amazon.com, Inc.3.60%
Alphabet Inc.2.96%
Broadcom Inc2.60%
Alphabet Inc.2.38%
Meta Platforms Inc2.22%
Tesla Inc1.85%
Berkshire Hathaway Inc.1.56%

View all C000021418 holdings

C000021418 Portfolio Allocation

Asset-class allocation of ON S&P 500® Index Portfolio by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity99.0%

C000021418 Performance

Total returns for C000021418 (as of 2026-08-01), from SEC filings.

PeriodTotal return
YTD-4.4%
1 year17.4%
3 years (annualised)17.8%
5 years (annualised)11.6%

C000021418 Risk Information

Risk metrics for C000021418, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 10.3%

C000021418 Costs and Fees

C000021418 costs about $38 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.38%
  • Gross expense ratio: 0.38%
  • Portfolio turnover: 4%
  • Brokerage commissions: 0.10 bps of average net assets (SEC N-CEN)

C000021418 Cashflows

Over the 12 months to 2026-03, ON S&P 500® Index Portfolio had net outflows of $42.81M, from monthly SEC N-PORT filings.

MonthNet flow
2026-03−$10.87M
2026-02−$10.71M
2026-01−$9.99M
2025-12−$20.91M
2025-11−$18.16M
2025-10−$14.97M

C000021418 Debt Constituents

Largest debt holdings of ON S&P 500® Index Portfolio by percentage of net assets, from the latest SEC N-PORT filing.

Debt holding% of net assets
United States Treasury Bills0.04%

C000021418 Prospectus and SEC Filings

Official ON S&P 500® Index Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other United States Large 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.