SCHEDULE: Acorn Funds Boost Stake in Y-mAbs to 7.0%

Sentiment:

Beneficial Ownership Report


Acorn Bioventures and related entities, including Anders Hove, have increased their beneficial ownership in Y-mAbs Therapeutics, Inc. to 7.0% of outstanding common stock.

Summary

  • Acorn Bioventures, L.P., Acorn Capital Advisors GP, LLC, Acorn Bioventures 2, L.P., Acorn Capital Advisors GP 2, LLC, and Anders Hove collectively beneficially own 3,096,297 shares of Y-mAbs Therapeutics, Inc. common stock.
  • This aggregate ownership represents 7.0% of the issuer's common stock outstanding.
  • The percentage is calculated based on 45,438,420 shares of common stock outstanding as of August 4, 2025, as reported in the Issuer's Quarterly Report on Form 10-Q.
  • Anders Hove, as Manager of Acorn Capital Advisors GP, LLC and Acorn Capital Advisors GP 2, LLC, is deemed to beneficially own the shares held by these entities.
  • The securities were not acquired and are not held for the purpose of changing or influencing control of the issuer, other than activities solely in connection with a nomination under Rule 240.14a-11.

Sentiment

Score: 5

Explanation: The filing is a factual disclosure of beneficial ownership and does not inherently convey positive or negative sentiment regarding the company's performance or prospects. It indicates a significant institutional investment.

Future Outlook

NA

Industry Context

This filing indicates a significant stake held by a specialized bioventures fund in a biotechnology company. Such investments are common in the biotech sector, where specialized funds often take positions in companies developing novel therapies.

Stakeholder Impact

  • Shareholders: The disclosure of a significant institutional stake by Acorn Bioventures may be viewed positively by other shareholders as it signals confidence from a specialized investor. It also provides transparency regarding major ownership positions.

Key Dates

DateDescription
08/04/2025Date as of which 45,438,420 shares of Common Stock were reported outstanding in the Issuer's Form 10-Q.
08/08/2025Date Issuer's Quarterly Report on Form 10-Q for the period ended June 30, 2025, was filed with the SEC.
08/14/2025Date of event which required the filing of this statement.
08/15/2025Date of filing and signature.

Keywords

Y-mAbs Therapeutics, Acorn Bioventures, Beneficial Ownership, Schedule 13G, Common Stock, Institutional Investment, SEC Filing, Biotechnology

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