Optimist Fund

Concentrated global growth equity portfolio focused on market-leading businesses with long growth runways and aligned or founder-led management.5 published ideas

Optimist Fund invests primarily in global equities and runs a concentrated portfolio, with its top ten holdings representing approximately 90% of assets at quarter-end. The fund seeks businesses it views as market leaders with long growth runways, strong management alignment and the ability to compound value for many years.

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Ideas from Optimist Fund

LongCVNASep 2026

Carvana Co.

Carvana's retail units sold continued to grow at approximately 40% year over year. A visit to the Cleveland reconditioning center reinforced the fund's positive view of the…

LongTDUPSep 2026

ThredUp Inc.

ThredUp's active buyers, orders and revenue all beat expectations, growing 25%, 19% and 15% year over year, while management guided to an acceleration across those trends. The Q1…

LongFASep 2026

First Advantage Corporation

First Advantage delivered organic revenue growth of 9%, EBITDA growth of 14% and adjusted EPS growth of 52% year over year, with all three metrics beating expectations…

LongWSep 2026

Wayfair Inc.

Wayfair delivered another strong quarter with high-single-digit revenue growth and material EBITDA expansion. After visiting the company's new Columbus store, the fund became…

LongAFRMSep 2026

Affirm Holdings, Inc.

Optimist views Affirm's transaction-by-transaction underwriting model as structurally better aligned with consumers than revolving credit because repayment terms are fixed…

Letters covered

  • Q2 2026 Quarterly LetterSeptember 8, 2026

Source PDFs are not republished here; only extracted ideas and quotes.