AVLN Avalyn Pharma Inc.
Avalyn Pharma Inc. (AVLN) Institutional Ownership
What the institutions did with AVLN last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| FMR LLC | 5.8M | 13.3% |
| NOVO HOLDINGS A/S | 3.9M | 8.8% |
| SR One Capital Management, LP | 3.3M | 7.5% |
| PERCEPTIVE ADVISORS LLC | 2.7M | 6.1% |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 2.5M | 5.7% |
| NVP ASSOCIATES, LLC | 2.3M | 5.2% |
| WELLINGTON MANAGEMENT GROUP LLP | 2.2M | 5.0% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 1.7M | 3.9% |
| Catalio Capital Management, LP | 1.7M | 3.8% |
| T. Rowe Price Investment Management, Inc. | 1.6M | 3.6% |
| EVENTIDE ASSET MANAGEMENT, LLC | 1.4M | 3.1% |
| Bellevue Group AG | 1.4M | 3.1% |
| BlackRock, Inc. | 977.3K | 2.2% |
| Pivotal bioVenture Partners Investment Advisor LLC | 966.8K | 2.2% |
| CITADEL ADVISORS LLC | 959.1K | 2.2% |
| ANDERA PARTNERS | 929.8K | 2.1% |
| JENNISON ASSOCIATES LLC | 812.7K | 1.8% |
| BRAIDWELL LP | 801.4K | 1.8% |
| TPG GP A, LLC | 773.1K | 1.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | 739.8K | 1.7% |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 731.0K | 1.7% |
| Rock Springs Capital Management LP | 662.9K | 1.5% |
| GEODE CAPITAL MANAGEMENT, LLC | 434.7K | 1.0% |
| Soleus Capital Management, L.P. | 419.0K | 1.0% |
| INFINITUM ASSET MANAGEMENT, LLC | 411.4K | 0.9% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| FMR LLC | New | 0 | 5.8M | +5.8M |
| NOVO HOLDINGS A/S | New | 0 | 3.9M | +3.9M |
| SR One Capital Management, LP | New | 0 | 3.3M | +3.3M |
| PERCEPTIVE ADVISORS LLC | New | 0 | 2.7M | +2.7M |
| SUVRETTA CAPITAL MANAGEMENT, LLC | New | 0 | 2.5M | +2.5M |
| NVP ASSOCIATES, LLC | New | 0 | 2.3M | +2.3M |
| WELLINGTON MANAGEMENT GROUP LLP | New | 0 | 2.2M | +2.2M |
| PRICE T ROWE ASSOCIATES INC /MD/ | New | 0 | 1.7M | +1.7M |
| Catalio Capital Management, LP | New | 0 | 1.7M | +1.7M |
| T. Rowe Price Investment Management, Inc. | New | 0 | 1.6M | +1.6M |
| EVENTIDE ASSET MANAGEMENT, LLC | New | 0 | 1.4M | +1.4M |
| Bellevue Group AG | New | 0 | 1.4M | +1.4M |
| BlackRock, Inc. | New | 0 | 977.3K | +977.3K |
| Pivotal bioVenture Partners Investment Advisor LLC | New | 0 | 966.8K | +966.8K |
| CITADEL ADVISORS LLC | New | 0 | 959.1K | +959.1K |
| ANDERA PARTNERS | New | 0 | 929.8K | +929.8K |
| JENNISON ASSOCIATES LLC | New | 0 | 812.7K | +812.7K |
| BRAIDWELL LP | New | 0 | 801.4K | +801.4K |
| TPG GP A, LLC | New | 0 | 773.1K | +773.1K |
| VANGUARD CAPITAL MANAGEMENT LLC | New | 0 | 739.8K | +739.8K |
| DEERFIELD MANAGEMENT COMPANY, L.P. | New | 0 | 731.0K | +731.0K |
| Rock Springs Capital Management LP | New | 0 | 662.9K | +662.9K |
| GEODE CAPITAL MANAGEMENT, LLC | New | 0 | 434.7K | +434.7K |
| Soleus Capital Management, L.P. | New | 0 | 419.0K | +419.0K |
| INFINITUM ASSET MANAGEMENT, LLC | New | 0 | 411.4K | +411.4K |
| BAKER BROS. ADVISORS LP | New | 0 | 350.0K | +350.0K |
| FRANKLIN RESOURCES INC | New | 0 | 331.7K | +331.7K |
| SILVERARC CAPITAL MANAGEMENT, LLC | New | 0 | 330.5K | +330.5K |
| GOLDMAN SACHS GROUP INC | New | 0 | 283.9K | +283.9K |
| FEDERATED HERMES, INC. | New | 0 | 160.0K | +160.0K |
| Woodline Partners LP | New | 0 | 151.0K | +151.0K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | New | 0 | 147.0K | +147.0K |
| ADAR1 Capital Management, LLC | New | 0 | 146.4K | +146.4K |
| NORTHERN TRUST CORP | New | 0 | 136.4K | +136.4K |
| STEMPOINT CAPITAL LP | New | 0 | 118.0K | +118.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New | 0 | 117.3K | +117.3K |
| VANGUARD FIDUCIARY TRUST CO | New | 0 | 116.8K | +116.8K |
| ACUTA CAPITAL PARTNERS, LLC | New | 0 | 115.0K | +115.0K |
| Burkehill Global Management, LP | New | 0 | 115.0K | +115.0K |
| MOORE CAPITAL MANAGEMENT, LP | New | 0 | 110.5K | +110.5K |
| Blackstone Inc. | New | 0 | 98.0K | +98.0K |
| TD Asset Management Inc | New | 0 | 94.6K | +94.6K |
| SEVEN GRAND MANAGERS, LLC | New | 0 | 75.0K | +75.0K |
| Ghisallo Capital Management LLC | New | 0 | 70.0K | +70.0K |
| Atom Investors LP | New | 0 | 68.3K | +68.3K |
| Aberdeen Group plc | New | 0 | 67.2K | +67.2K |
| Zimmer Partners, LP | New | 0 | 62.5K | +62.5K |
| Avidity Partners Management LP | New | 0 | 60.0K | +60.0K |
| LMR Partners LLP | New | 0 | 54.3K | +54.3K |
| AMERIPRISE FINANCIAL INC | New | 0 | 50.0K | +50.0K |
| Freestone Grove Partners LP | New | 0 | 50.0K | +50.0K |
| Brevan Howard Capital Management LP | New | 0 | 43.0K | +43.0K |
| Bank of New York Mellon Corp | New | 0 | 40.1K | +40.1K |
| Shay Capital LLC | New | 0 | 40.0K | +40.0K |
| Balyasny Asset Management L.P. | New | 0 | 34.0K | +34.0K |
| Nuveen, LLC | New | 0 | 29.7K | +29.7K |
| Davidson Kempner Capital Management LP | New | 0 | 23.0K | +23.0K |
| D. E. Shaw & Co., Inc. | New | 0 | 23.0K | +23.0K |
| RHUMBLINE ADVISERS | New | 0 | 20.5K | +20.5K |
| DEUTSCHE BANK AG\ | New | 0 | 16.9K | +16.9K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.