SCHEDULE: Janus Henderson Amends OMNIAB Stake

Janus Henderson Group plc has filed an Amendment No. 4 to its Schedule 13G, reporting a 0.8% beneficial ownership stake in OMNIAB, Inc. as of June 30, 2025.

Summary

• Janus Henderson Group plc filed an Amendment No. 4 to its Schedule 13G concerning its beneficial ownership in OMNIAB, Inc.
• The filing reports Janus Henderson Group plc's beneficial ownership of 948,434 shares of OMNIAB, Inc. Common Stock.
• This represents 0.8% of the class of securities.
• The event date requiring this filing was June 30, 2025.
• Janus Henderson Group plc holds shared voting power and shared dispositive power over all 948,434 shares.
• The reporting person is classified as an Investment Adviser (IA) and a Parent Holding Company (HC).
• Indirect subsidiaries JHIUS, JHIUKL, and JHIAIFML are registered investment advisers managing these portfolios.
• The securities were acquired and are held in the ordinary course of business, not for the purpose of changing or influencing control of OMNIAB, Inc.

Sentiment

Score: 5

Explanation: The filing is a routine regulatory disclosure of beneficial ownership and does not contain information that would indicate a positive or negative sentiment regarding the issuer's performance or outlook.

Positives

• NA A Schedule 13G primarily reports beneficial ownership and does not typically contain positive financial or operational updates about the issuer.

Negatives

• NA A Schedule 13G primarily reports beneficial ownership and does not typically contain negative financial or operational updates about the issuer.

Risks

• NA This Schedule 13G filing does not detail specific risks related to OMNIAB, Inc.

Future Outlook

NA This filing does not provide forward-looking statements or guidance for OMNIAB, Inc.

Management Comments

• NA This filing does not contain notable quotes or paraphrased statements from OMNIAB, Inc. management.

Industry Context

This filing is a standard regulatory disclosure of beneficial ownership by an institutional investor, Janus Henderson Group plc, in OMNIAB, Inc. It does not provide specific insights into broader industry trends or competitive landscape beyond the fact of this investment.

Comparison to Industry Standards

• NA This filing does not provide information for comparison to industry standards or global benchmarks.

Legal Proceedings

• NA This filing does not disclose any legal proceedings or regulatory matters.

Related Party Transactions

• NA This filing does not disclose any related party dealings.

Stakeholder Impact

• Shareholders: Provides transparency regarding institutional ownership, confirming Janus Henderson's continued stake.
• Employees, Customers, Suppliers, Creditors: No direct impact from this ownership disclosure.

Next Steps

• NA This filing does not outline specific future actions, events, or milestones for OMNIAB, Inc.

Key Dates

Keywords

OMNIAB, Janus Henderson, Schedule 13G, Beneficial Ownership, Common Stock, Investment Adviser, Holding Company, SEC Filing