DOSSIER · 13F-HR · Q4 2025
Portolan Capital Management, LLC
Portolan's asset manager based in Omaha, NE — $1.9B in tracked AUM across 155 positions as of Q4 2025.
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Portolan·Omaha, NE·Asset Manager
CIK 0001350290 · last filed Dec 31, 2025
AI Analysis · Q4 2025 · Q4 2025
SEC 13F Filing Analysis: Portolan Capital Management, LLC
Portfolio Overview
Portolan Capital Management reported a total portfolio value of $1.23 billion for the period ending September 30, 2025, representing a significant increase of 15.7% from the previous quarter's $1.06 billion. The portfolio is highly diversified, comprising 79 individual holdings with no single position exceeding 5.6% of the total assets, indicating a disciplined approach to risk management through position sizing. ...
Quarter at a glance — Q4 2025
Position-change comparison pending.
No quarter-over-quarter changes available.
Top 10 holdings
By portfolio weight as of Q4 2025.
Filing history
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