Portolan Capital Management, LLC Portfolio Holdings

Portolan Capital Management, LLC

  • $1.6 Billion
  • Q3 2025

Portolan Capital Management, LLC has filed its 13F form on November 13, 2025 for Q3 2025 where it was disclosed a total value porftolio of $1.6 Billion distributed in 119 stocks.

Among their holdings, we can observe that their the top five positions include companies like: Modine Manufacturing CO with a value of $85.6M, Ttm Technologies Inc with a value of $68.5M, E.L.F. Beauty, Inc. with a value of $64.6M, Kratos Defense & Security Solutions, Inc. with a value of $54.5M, and Semtech Corp with a value of $47.8M.

Examining the 13F form we can see an increase of $213M in the current position value, from $1.38B to 1.6B.

Portolan Capital Management, LLC is based out at Boston, MA

Below you can find more details about Portolan Capital Management, LLC portfolio as well as his latest detailed transactions.

Portfolio value $1.6 Billion
Technology: $593 Million
Industrials: $291 Million
Consumer Cyclical: $247 Million
Healthcare: $168 Million
Communication Services: $110 Million
Consumer Defensive: $96.5 Million
Financial Services: $48.5 Million
Real Estate: $30.8 Million
Other: $12.2 Million

Stock Holdings Table Market Cap. of $50 Millions to $300 Millions

Stock Market Cap. Holding Value (Reported) # of Shares. Last Trade Trade History
$225M
$25.5 Million 1.6% of portfolio
6,928,004
Q3 2025 Added 11.43%
$212M
$23.1 Million 1.45% of portfolio
4,259,851
Q3 2025 Added 17.23%
$181M
$12.7 Million 0.8% of portfolio
1,631,622
Q3 2025 New
$193M
$7.75 Million 0.49% of portfolio
3,673,890
Q3 2025 New
$139M
$7.79 Million 0.49% of portfolio
2,034,928
Q3 2025 Reduced 6.03%
$133M
$7.11 Million 0.45% of portfolio
1,384,142
Q3 2025 Reduced 14.65%
$259M
$6.75 Million 0.42% of portfolio
203,827
Q3 2025 New
$196M
$6.73 Million 0.42% of portfolio
2,353,950
Q3 2025 Added 28.49%
$162M
$5.33 Million 0.33% of portfolio
595,806
Q3 2025 Added 27.97%
$219M
$3.82 Million 0.24% of portfolio
128,307
Q3 2025 Reduced 38.66%
$77.7M
$841,000 0.05% of portfolio
303,800
Q3 2025 Reduced 77.08%
$288M
$0 0.0% of portfolio
-
Q3 2025 Reduced 4.55%

Summary

  • Portfolio
  • No. of Stocks 119
  • Current Value $1.6 Billion
  • Prior Value $1.38 Billion
  • Filing
  • Period Q3 2025
  • Filing Date November 13, 2025
  • Form Type 13F-HR
  • Activity in Q3 2025
  • New Purchases 41 stocks
  • Additional Purchases 35 stocks
  • Sold out of 0 stocks
  • Reduced holdings in 42 stocks
Track This Portfolio

Track Portolan Capital Management, LLC Portfolio

Follow Portolan Capital Management, LLC and customize your updates to receive the information that matters most to you.

Portfolio Update

Get notified when there are updates to the investment portfolio of Portolan Capital Management, LLC, based on Form 13F filings with the SEC.

News

Stay updated on Portolan Capital Management, LLC with notifications on news.

Choose your preferred platform and Sign Up 👇 Telegram Email