SCHEDULE: Soleus Group Discloses 5.1% Stake in Invivyd

Soleus Capital Management and affiliated entities have reported a 5.1% passive beneficial ownership stake in Invivyd, Inc., totaling 10,850,000 common shares.

Summary

• Soleus Capital Management, L.P., along with its affiliated entities Soleus GP, LLC and Guy Levy, reported beneficial ownership of 10,850,000 shares of Invivyd, Inc. common stock.
• This aggregate ownership represents a 5.1% stake in Invivyd, Inc.'s common stock.
• The percentage is calculated based on 214,409,450 shares of common stock outstanding as of September 22, 2025, as disclosed in Invivyd's Registration Statement on Form S-3 filed on October 2, 2025.
• The reporting persons explicitly disclaim beneficial ownership of these shares for any purpose other than determining their obligations under Section 13(d) of the Exchange Act.
• All reporting persons, including Soleus Private Equity Fund III, L.P. (1.3%), Soleus Capital Master Fund, L.P. (3.7%), and the aggregated Soleus Capital Management, L.P. (5.1%), possess shared voting and dispositive power over their respective reported shares.

Sentiment

Score: 5

Explanation: The filing is a routine regulatory disclosure of a passive ownership stake, providing factual information without indicating positive or negative company performance or strategic shifts.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding Invivyd, Inc.'s future performance or operations.

Management Comments

• Each of the reporting persons disclaims beneficial ownership of these shares held by Soleus PE and Master Fund other than for the purpose of determining their obligations under Section 13(d) of the Exchange Act, and the filing of this report shall not be deemed an admission that any of the foregoing persons is the beneficial owner of such shares for any other purpose.

Industry Context

This filing is a routine disclosure of a significant ownership stake by an institutional investor and does not provide broader industry context or trends.

Stakeholder Impact

• Shareholders: The disclosure of a significant passive institutional stake may be viewed as a vote of confidence, but with no intent to influence control, direct impact is minimal.
• Employees, Customers, Suppliers, Creditors: No direct impact is expected from this passive ownership disclosure.

Key Dates

Keywords

Invivyd, Soleus Capital Management, beneficial ownership, Schedule 13G, institutional investment, common stock, passive investment