SCHEDULE 13G/A: AWM Investment Co. Maintains 6.1% Stake in InfuSystem

AWM Investment Company, Inc. reported a 6.1% beneficial ownership stake in InfuSystem Holdings, Inc., holding 1,272,296 shares of common stock as of June 30, 2025.

Summary

• AWM Investment Company, Inc. (AWM), a Delaware corporation, is the investment adviser to Special Situations Life Sciences Fund, L.P. (SSLS).
• AWM beneficially owns 1,272,296 shares of common stock in InfuSystem Holdings, Inc.
• This ownership represents 6.1% of the total class of securities.
• AWM holds sole voting power and sole dispositive power over all 1,272,296 shares.
• David M. Greenhouse and Adam C. Stettner are controlling principals of AWM and members of LS Advisers, L.LC., the general partner of SSLS.

Sentiment

Score: 5

Explanation: Neutral, as this is a routine beneficial ownership disclosure and does not contain performance or forward-looking statements about the issuer.

Future Outlook

NA

Management Comments

• AWM Investment Company, Inc. certified that the securities were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of InfuSystem Holdings, Inc.

Industry Context

This Schedule 13G filing provides transparency regarding significant passive ownership by an institutional investor, AWM Investment Company, Inc., in InfuSystem Holdings, Inc. Such filings are routine disclosures for investment advisers holding more than 5% of a company's stock, indicating a long-term, non-control-oriented investment strategy.

Stakeholder Impact

• Provides transparency to shareholders and the market regarding significant institutional ownership in InfuSystem Holdings, Inc.

Key Dates

Keywords

InfuSystem Holdings, AWM Investment Company, beneficial ownership, Schedule 13G, common stock, institutional ownership, investment adviser