THPMX — Thompson Midcap Fund
Data updated: 2026-07-22
THPMX — Thompson Midcap Fund. United States Mid Cap Blend / Core Equity · $62.09M 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: $62.09M
- 1-year return: 35.1%
- 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 |
|---|---|
| Viatris Inc | 2.94% |
| AMN Healthcare Services Inc | 2.53% |
| Neurocrine Biosciences Inc | 2.49% |
| Concentrix Corp | 2.30% |
| Kornit Digital Ltd | 2.29% |
| Jazz Pharmaceuticals PLC | 2.20% |
| NXP Semiconductors NV | 2.09% |
| LKQ Corp | 2.01% |
| Flagstar Bank NA | 2.01% |
| Okta Inc | 1.97% |
THPMX Portfolio Allocation
Asset-class allocation of Thompson Midcap Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 99.8% |
| Cash & Equivalents | 0.1% |
THPMX Performance
Total returns for THPMX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 11.7% |
| 1 year | 35.1% |
| 3 years (annualised) | 19.1% |
| 5 years (annualised) | 7.5% |
THPMX Risk Information
Risk metrics for THPMX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 11.7%
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 2026-05, Thompson Midcap Fund had net inflows of $2.84M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | −$33.00K |
| 2026-04 | −$169.15K |
| 2026-03 | $349.12K |
| 2026-02 | $29.97K |
| 2026-01 | $167.96K |
| 2025-12 | $2.75M |
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.
- Prospectus (485BPOS) — filed 2026-03-27
- Prospectus (485BPOS) — filed 2025-03-27
- Prospectus (485BPOS) — filed 2024-03-28
- Portfolio holdings (N-PORT) — filed 2026-07-22
- Portfolio holdings (N-PORT) — filed 2026-04-23
- Portfolio holdings (N-PORT) — filed 2026-01-23
- Annual census (N-CEN) — filed 2026-02-10
- Annual census (N-CEN) — filed 2025-02-10
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.