Portolan Capital Management, LLC Increases Stake in Forrester Research, Inc. to 7.94%

Portolan Capital Management, LLC, along with its manager George McCabe, filed an amended Schedule 13G on May 15, 2026, disclosing a significant increase in their position in Forrester Research, Inc. (FORR). As of the event date of March 31, 2026, the reporting persons beneficially own 1,541,276 shares of common stock, representing 7.94% of the company. This marks a substantial increase from a previously reported 0.0% ownership, indicating a new major stake in the issuer. Portolan Capital Management serves as the investment manager for various clients, while George McCabe holds indirect ownership as the manager of the firm. The filing indicates that the reporting persons have sole voting and dispositive power over the entire share amount. The securities were acquired in the ordinary course of business and not for the purpose of influencing or changing the control of the issuer. The principal business office for the reporting persons is located in Boston, Massachusetts.