LeonaBio, Inc.
LONA- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001620463
No open-market purchases or sales by LeonaBio, Inc. insiders were filed in the last 90 days; 44 institutions reported holding it in 13F filings for Q2 2026, worth $66.8M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in LeonaBio, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 40
- 0 vs. Q4 2025
- Shares held
- 6.45M
- +402.9K (+6.7%) vs. Q4 2025
- Total value
- $66.0M
- +$20.5M (+44.9%) vs. Q4 2025
- New holders
- 6
- 11 more added
- Sold out
- 6
- 6 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting LONA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 44 | $66.8M |
| Q1 2026 | 40 | $66.0M |
| Q4 2025 | 42 | $46.7M |
| Q3 2025 | 34 | $7.07M |
| Q2 2025 | 51 | $5.30M |
| Q1 2025 | 54 | $5.00M |
| Q4 2024 | 56 | $10.5M |
| Q3 2024 | 58 | $7.19M |
| Q2 2024 | 65 | $58.8M |
| Q1 2024 | 75 | $59.5M |
| Q4 2023 | 65 | $53.2M |
| Q3 2023 | 70 | $43.3M |
| Q2 2023 | 77 | $64.6M |
| Q1 2023 | 83 | $59.5M |
| Q4 2022 | 94 | $73.9M |
| Q3 2022 | 98 | $66.5M |
| Q2 2022 | 98 | $68.0M |
| Q1 2022 | 106 | $353.7M |
| Q4 2021 | 106 | $341.8M |
| Q3 2021 | 93 | $234.0M |
| Q2 2021 | 89 | $253.3M |
| Q1 2021 | 69 | $484.4M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding LeonaBio, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Perceptive Advisors LLC | 1,859,322 | $19.1M | 0.38% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 727,481 | $7.48M | 0.45% | +333,780+84.8% | Added |
| Acorn Capital Advisors, LLC | 634,539 | $6.52M | 1.85% | +132,800+26.5% | Added |
| NEA Management Company, LLC | 464,398 | $4.77M | 0.27% | 00.0% | Unchanged |
| Commodore Capital LP | 464,398 | $4.77M | 0.28% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 464,398 | $4.67M | 0.13% | 00.0% | Unchanged |
| Kalehua Capital Management LLC | 393,701 | $4.05M | 2.86% | 00.0% | Unchanged |
| Spruce Street Capital LP | 393,701 | $3.84M | 0.92% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 194,760 | $2.00M | 0.00% | +194,760 | New |
| Seven Fleet Capital Management LP | 164,676 | $1.69M | 0.53% | +36,725+28.7% | Added |
| Simplify Asset Management Inc. | 149,279 | $1.53M | 0.02% | 00.0% | Unchanged |
| Propel Bio Management, LLC | 149,279 | $1.50M | 0.94% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 80,323 | $826.2K | 0.00% | +49,379+159.6% | Added |
| Renaissance Technologies LLC | 64,222 | $660.2K | 0.00% | −10,925−14.5% | Reduced |
| BlackRock, Inc. | 56,051 | $576.2K | 0.00% | +18,408+48.9% | Added |
| Vanguard Fiduciary Trust Co | 40,039 | $411.6K | 0.00% | +40,039 | New |
| Bank of America Corp | 32,566 | $334.8K | 0.00% | −274−0.8% | Reduced |
| Millennium Management LLC | 31,678 | $325.6K | 0.00% | −292,767−90.2% | Reduced |
| Laird Norton Trust Company, LLC | 21,818 | $224.3K | 0.00% | 00.0% | Unchanged |
| State Street Corp | 16,337 | $167.9K | 0.00% | +5,600+52.2% | Added |
| Northern Trust Corp | 14,394 | $148.0K | 0.00% | +3,933+37.6% | Added |
| Two Sigma Investments, LP | 13,276 | $136.5K | 0.00% | +2,530+23.5% | Added |
| Acadian Asset Management LLC | 10,230 | $105.0K | 0.00% | −27,252−72.7% | Reduced |
| Advisor Group Holdings, Inc. | 6,180 | $63.5K | 0.00% | −3,030−32.9% | Reduced |
| Royal Bank of Canada | 2,225 | $23.0K | 0.00% | +1,891+566.2% | Added |
| Vanguard Global Advisers, LLC | 1,325 | $13.6K | 0.00% | +1,325 | New |
| UBS Group AG | 1,299 | $13.4K | 0.00% | −2,089−61.7% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 1,000 | $10.3K | 0.00% | +1,000 | New |
| Morgan Stanley | 471 | $4.84K | 0.00% | +1+0.2% | Added |
| GWM Advisors LLC | 410 | $4.21K | 0.00% | +360+720.0% | Added |
| American Capital Advisory, LLC | 200 | $2.06K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 150 | $1.54K | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 82 | $843 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 81 | $833 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 33 | $296 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 23 | $236 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 12 | $123 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 12 | $111 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 6 | $62 | 0.00% | +6 | New |
| Citigroup Inc | 1 | $10 | 0.00% | +1 | New |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −38,606−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −20,936−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −13,186−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −10,108−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −379−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |