PARNX — Parnassus Fund

Data updated: 2026-07-20

PARNX — Parnassus Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Value Equity · $850.32M AUM · 0.84% expense ratio · 19.5% 1-yr return. From SEC regulatory filings.

PARNX Fund Overview

PARNX — Parnassus Fund is a US mutual fund managed by Parnassus Funds, categorised as United States Mid Cap Value Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Manager: Parnassus Funds
  • Category: United States Mid Cap Value Equity
  • Assets under management: $850.32M
  • 1-year return: 19.5%
  • Ticker: PARNX
  • SEC CIK: 0000747546
  • SEC series ID: S000000852
  • Share class ID: C000002467

PARNX Holdings

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

Holding% of net assets
Teradyne, Inc.4.46%
Datadog, Inc. - Class A3.99%
Rockwell Automation, Inc.3.55%
Kla Corp.3.54%
Ww Grainger, Inc.3.39%
Quanta Services, Inc.2.97%
Standardaero, Inc.2.90%
Hubbell, Inc.2.88%
Monolithic Power Systems, Inc.2.86%
Hilton Worldwide Hldgs2.85%

View all PARNX holdings

PARNX Portfolio Allocation

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

Asset classAllocation
Equity99.4%

PARNX Performance

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

PeriodTotal return
YTD11.6%
1 year19.5%
3 years (annualised)7.8%
5 years (annualised)4.6%

PARNX Risk Information

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

  • 1-year volatility (annualised): 13.6%

PARNX Costs and Fees

PARNX costs about $84 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.84%
  • Gross expense ratio: 0.82%
  • Portfolio turnover: 62%
  • Brokerage commissions: 3.13 bps of average net assets (SEC N-CEN)

PARNX Cashflows

Over the 12 months to 2026-03, Parnassus Fund had net inflows of $18.83M, from monthly SEC N-PORT filings.

MonthNet flow
2026-03−$10.01M
2026-02−$7.17M
2026-01−$6.00M
2025-12$100.61M
2025-11−$5.15M
2025-10−$6.80M

PARNX Debt Constituents

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

PARNX Prospectus and SEC Filings

Official Parnassus Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other United States Mid Cap Value 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.