Leonabio (LONA)Perceptive Advisors LLC added to its stake +1.32M shares

1.86M

Shares reported · +1.32M vs prior quarter

0.25%

Disclosed portfolio weight

$14.1M

Reported value

Holdings as of

Dec 31, 2025

Filed

Feb 17, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Dec 18, 2025Company filing · Form 8-K · Acquisition or saleCompleted buying or selling a business or assets“The descriptions in Item 1.01 of the Sermonix Transaction, including regarding the Sermonix License and the Sermonix Securities Issuance, are incorporated herein by reference.”
2. Jan 7, 2026Company filing · Form 8-K · Executive change, Bylaws or charterChanged a top executive or board member, and changed its bylaws, charter or fiscal year (and 2 more items)“On January 8, 2026, the Company entered into an Amended and Restated Change in Control and Severance Agreement with Robert Renninger, the Company’s Chief Financial Officer (the “Renninger Change in Control Agreement”).”

What came next

1. Mar 18, 2026Company filing · Form 8-K · Executive change, Shareholder voteChanged a top executive or board member, and held a shareholder vote (and 1 more item)“The Company’s board of directors (the “Board”) previously approved, subject to stockholder approval, the Company’s 2026 Equity Incentive Plan (the “2026 Plan”).”
2. Mar 26, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
3. May 7, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Leonabio

OQRO holds no insider, Congress, fund or contract record for Leonabio dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its LONA page.

How this filing works

• SEC Form 13F

Other disclosures at Leonabio

• SEC Form 4Jul 2, 2025
• SEC Form 4Jul 2, 2025
• SEC Form 4Jul 2, 2025
• SEC Form 4Jul 2, 2025
• SEC Form 4Jul 2, 2025
• SEC Form 4Jan 3, 2025

Everything OQRO holds on this company is on its LONA page.