Long-term investor

Portolan Capital Management, LLC @portolancapitalmanagemen

Institutional investment manager. Holdings disclosed quarterly to the SEC on Form 13F (CIK 0001350290).

Record

  • Tracked since 2025-06-30 (448 days), 461 trades recorded
  • Returns: week n/a · month n/a · 90 days +11.8% · 6 months n/a · 1 year +23.7% · all +23.7%
  • Max drawdown n/a · win rate 12% · data quality High
  • Source: SEC 13F Filings (live) (SEC EDGAR; typical delay 45 days)

Open positions

  • VPG · 5.7% · long · since 2025-06-30
  • VIRT · 4.8% · long · since 2025-06-30
  • TTMI · 3.6% · long · since 2025-06-30
  • MOD · 3.1% · long · since 2025-06-30
  • QLYS · 2.7% · long · since 2025-12-31
  • 82452J109 · 2.0% · long · since 2025-06-30
  • 578605107 · 1.8% · long · since 2025-12-31
  • ENVA · 1.8% · long · since 2025-06-30
  • SMTC · 1.8% · long · since 2025-06-30
  • 15101Q207 · 1.7% · long · since 2025-06-30
  • UTHR · 1.7% · long · since 2025-06-30
  • GENI · 1.6% · long · since 2025-06-30

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