SCHEDULE 13G/A: Renaissance Tech Discloses 4.82% Stake in Collegium

Renaissance Technologies LLC and its parent company have disclosed a 4.82% beneficial ownership stake in Collegium Pharmaceutical, Inc.

Summary

• Renaissance Technologies LLC (RTC) and Renaissance Technologies Holdings Corporation (RTHC) have filed an Amendment No. 1 to Schedule 13G regarding their beneficial ownership in Collegium Pharmaceutical, Inc.
• The filing indicates beneficial ownership of 1,521,170 shares of Common Stock, representing 4.82% of the class.
• Both reporting persons hold sole voting and dispositive power over these shares.
• The securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of the issuer.
• The filing states the event requiring the statement occurred on April 1, 2025.
• The filing was signed on August 13, 2025, by Brian Felczak, Chief Financial Officer of RTC and Vice President of RTHC.

Sentiment

Score: 5

Explanation: This is a routine Schedule 13G filing disclosing an institutional investor's passive ownership stake, providing no inherently positive or negative operational or financial news about the issuer.

Positives

• A prominent investment firm, Renaissance Technologies, holds a significant stake, potentially indicating confidence in Collegium Pharmaceutical, Inc.

Future Outlook

This filing does not contain any forward-looking statements or guidance from Collegium Pharmaceutical, Inc.

Industry Context

This filing reflects a standard disclosure by an institutional investor regarding its passive ownership stake in a pharmaceutical company. It does not provide specific insights into broader industry trends or competitive positioning.

Related Party Transactions

• Certain funds managed by Renaissance Technologies LLC have the right to receive dividends and proceeds from the sale of the securities.

Stakeholder Impact

• Shareholders: Provides transparency regarding a significant institutional holder's stake, which could be viewed positively as a vote of confidence.
• Management: Awareness of a substantial passive investor on the shareholder register.

Key Dates

Keywords

Collegium Pharmaceutical, Inc., Renaissance Technologies, Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, Pharmaceuticals, Investment Adviser