Who owns LeonaBio, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of LONA from SEC Form 13F filings across 44 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 44 institutions disclosed 7.3M shares of LeonaBio, Inc. worth $66.8M — about 30.6% of shares outstanding; the largest disclosed holder is PERCEPTIVE ADVISORS LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
44
13F holders
$66.8M
value, 2026 filers
30.6%
of shares outstanding (7.3M sh)
8
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of LONA's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PERCEPTIVE ADVISORS LLC | 1.9M | $17.1M | 0.3% | 7.8% | 0.0% |
| 2 | ADAR1 Capital Management, LLC | 777,100 | $7.1M | 0.3% | 3.3% | +6.8% |
| 3 | ACORN CAPITAL ADVISORS, LLC | 634,539 | $5.8M | 1.6% | 2.7% | 0.0% |
| 4 | TCG Crossover Management, LLC | 464,398 | $4.3M | 0.1% | 2% | 0.0% |
| 5 | Commodore Capital LP | 464,398 | $4.3M | 0.3% | 2% | 0.0% |
| 6 | NEA Management Company, LLC | 464,398 | $4.3M | 0.3% | 2% | 0.0% |
| 7 | Spruce Street Capital LP | 393,701 | $3.6M | 0.7% | 1.7% | 0.0% |
| 8 | Kalehua Capital Management LLC | 393,701 | $3.6M | 2.6% | 1.7% | 0.0% |
| 9 | Blackstone Inc.NEW | 324,638 | $3.0M | 0.0% | 1.4% | new |
| 10 | ADAGE CAPITAL PARTNERS GP, L.L.C.NEW | 300,000 | $2.8M | 0.0% | 1.3% | new |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 275,233 | $2.5M | 0.0% | 1.2% | +41.3% |
| 12 | Seven Fleet Capital Management LP | 154,153 | $1.4M | 0.2% | 0.6% | -6.4% |
| 13 | Simplify Asset Management Inc. | 149,279 | $1.4M | 0.0% | 0.6% | 0.0% |
| 14 | Propel Bio Management, LLC | 149,279 | $1.4M | 0.7% | 0.6% | 0.0% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 80,418 | $739,513 | 0.0% | 0.3% | +0.1% |
| 16 | BlackRock, Inc. | 79,186 | $727,719 | 0.0% | 0.3% | +41.3% |
| 17 | RENAISSANCE TECHNOLOGIES LLC | 77,424 | $711,527 | 0.0% | 0.3% | +20.6% |
| 18 | VANGUARD FIDUCIARY TRUST CO | 42,814 | $393,461 | 0.0% | 0.2% | +6.9% |
| 19 | BANK OF AMERICA CORP /DE/ | 32,557 | $299,199 | 0.0% | 0.1% | 0.0% |
| 20 | MILLENNIUM MANAGEMENT LLC | 32,450 | $298,216 | 0.0% | 0.1% | +2.4% |
| 21 | Laird Norton Wetherby Trust Company, LLC | 21,818 | $200,508 | 0.0% | 0.1% | 0.0% |
| 22 | STATE STREET CORP | 16,337 | $150,137 | 0.0% | 0.1% | 0.0% |
| 23 | DIMENSIONAL FUND ADVISORS LPNEW | 14,728 | $135,351 | 0.0% | 0.1% | new |
| 24 | NORTHERN TRUST CORP | 14,394 | $132,281 | 0.0% | 0.1% | 0.0% |
| 25 | TWO SIGMA INVESTMENTS, LP | 13,276 | $122,006 | 0.0% | 0.1% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.