LeonaBio, Inc. (LONA) ownership: Top institutional holder: PERCEPTIVE ADVISORS LLC ($19.11M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| PERCEPTIVE ADVISORS LLC | 1859322.00 | $19.11M | 2026-03-31 |
| ADAR1 Capital Management, LLC | 727481.00 | $7.48M | 2026-03-31 |
| ACORN CAPITAL ADVISORS, LLC | 634539.00 | $6.52M | 2026-03-31 |
| Commodore Capital LP | 464398.00 | $4.77M | 2026-03-31 |
| NEA Management Company, LLC | 464398.00 | $4.77M | 2026-03-31 |
| TCG Crossover Management, LLC | 464398.00 | $4.67M | 2026-03-31 |
| Kalehua Capital Management LLC | 393701.00 | $4.05M | 2026-03-31 |
| Spruce Street Capital LP | 393701.00 | $3.84M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 | |
| Sell | null | 2026-06-23 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.