THPMX — Thompson Midcap Fund

Data updated: 2026-04-23

THPMX — Thompson Midcap Fund. United States Mid Cap Blend / Core Equity · $58.34M AUM · 1.15% expense ratio. Holdings, fees, performance and SEC filings.

THPMX Fund Overview

THPMX — Thompson Midcap Fund is a US mutual fund managed by Thompson Im Funds INC, categorised as United States 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: Thompson Im Funds INC
  • Category: United States Mid Cap Blend / Core Equity
  • Assets under management: $58.34M
  • 1-year return: 24.3%
  • Ticker: THPMX
  • SEC CIK: 0000795264
  • SEC series ID: S000021538
  • Share class ID: C000061640

THPMX Holdings

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

Holding% of net assets
Warner Bros Discovery Inc2.98%
Viatris Inc2.88%
Infineon Technologies AG2.32%
Kornit Digital Ltd2.31%
O-I Glass Inc2.24%
Neurocrine Biosciences Inc2.21%
Alexandria Real Estate Equitie2.06%
LKQ Corp1.98%
Flagstar Bank NA1.93%
Jazz Pharmaceuticals PLC1.88%

View all THPMX holdings

THPMX Portfolio Allocation

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

Asset classAllocation
Equity98.6%
Cash & Equivalents0.2%

THPMX Performance

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

PeriodTotal return
YTD5.3%
1 year24.3%
3 years (annualised)13.6%
5 years (annualised)8.8%

THPMX Risk Information

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

  • 1-year volatility (annualised): 10.7%

THPMX Costs and Fees

THPMX costs about $115 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 1.15%
  • Gross expense ratio: 1.41%
  • Portfolio turnover: 23%
  • Brokerage commissions: 7.68 bps of average net assets (SEC N-CEN)

THPMX Cashflows

Over the 12 months to 2026-02, Thompson Midcap Fund had net outflows of $2.98M, from monthly SEC N-PORT filings.

MonthNet flow
2026-02$29.97K
2026-01$167.96K
2025-12$2.75M
2025-11−$31.63K
2025-10−$23.07K
2025-09−$16.06K

THPMX Debt Constituents

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

THPMX Prospectus and SEC Filings

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

Related Funds

Other United States 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.