LONA - LeonaBio
Printed from CEF Radar (cefradar.com). Source: public filings at the U.S. Securities and Exchange Commission. Last checked: Nov 2, 2026, 6:53 p.m. New York time.
LONA is a company, not a closed-end fund. We still track it - notices about it are below - but most of this site is about funds.
Is anyone targeting this fund?
Yes - 2 large investors hold stakes in this company, and 2 of them are pushing for changes.
- Sermonix Pharmaceuticals owns 25.1% and has said it may push for changes. Since Oct 28, 2026.
- Perceptive Advisors LLC owns 20% and has said it may push for changes. Since Oct 26, 2026.
What this means for you
Sermonix Pharmaceuticals and Perceptive Advisors LLC have told the regulator it may push for changes at this company. That usually means asking for a seat on the board, a sale of the company, or a change in how it is run.
Nothing is required of you now.
Large investors can also sell down and walk away. We show every notice they file, the day it is filed.
What happened, and when
-
Oct 28, 2026
Sermonix Pharmaceuticals now owns 25.1%. It has said it may push for changes.
Original document → -
Oct 26, 2026
Perceptive Advisors LLC now owns 20%. It has said it may push for changes.
Original document →
Details: all notices, events and fund facts
| Date | Investor | Stake | Type of notice |
|---|---|---|---|
| Oct 28, 2026 | Sermonix Pharmaceuticals | 25.1% | Updated notice |
| Oct 26, 2026 | Perceptive Advisors LLC | 20% | Updated notice |
No announcements from the fund on file. Most funds announce their payout on their own website, not in a filing with the regulator, so a cut or a raise there does not show up here.
- Run by
- not filed yet
- Fund family
- not filed yet
- Exchange
- Nasdaq
See this fund's page at the SEC →
Email me when something new is filed for LONA
Free. One email when a large investor files a notice, or when the fund announces a buy-back, a vote or a closing - usually within a day. No password. Most funds announce payout changes on their own website, where we do not look.