FILINGSFLOWSEC 13F Intelligence

Portolan Capital Management, LLC / changes

Portolan Capital Management, LLC — Q4 2018 Changes

Stay in the loop

Get notified when the next quarter’s 13F filings drop.

Explore

Managers
Stocks
Trending
Glossary

Filings Flow

About & methodology
Privacy
Terms

Data sourced from the SEC’s public EDGAR database. 13F filings are reported up to 45 days after quarter end and may contain filer errors — verify against the original filing. Nothing here is investment advice. Free to cite with attribution and a link to filingsflow.com. © 2026 Filings Flow.