Avalyn Pharma Inc. (AVLN) Institutional Ownership Changes & 13F Activity
Avalyn Pharma Inc. (AVLN). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Novo Holdings A/S, Perceptive Advisors Llc, Suvretta Capital Management, Llc, Wellington Management Group Llp, and Price T Rowe Associates Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +959,098 | — | 959,098 | $31.57M | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +236 | — | 236 | $7.77K | Q2 2026 | Aug 24, 2026 |
| Novo Holdings A/S | Buy | +3,883,289 | — | 3,883,289 | $127.84M | Q2 2026 | Aug 14, 2026 |
| Perceptive Advisors Llc | Buy | +2,675,296 | — | 2,675,296 | $88.07M | Q2 2026 | Aug 14, 2026 |
| Suvretta Capital Management, Llc | Buy | +2,503,109 | — | 2,503,109 | $82.40M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Buy | +2,201,986 | — | 2,201,986 | $72.49M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +1,735,231 | — | 1,735,231 | $57.12M | Q2 2026 | Aug 14, 2026 |
| Catalio Capital Management, Lp | Buy | +1,675,830 | — | 1,675,830 | $55.17M | Q2 2026 | Aug 14, 2026 |
| T. Rowe Price Investment Management, Inc. | Buy | +1,602,745 | — | 1,602,745 | $52.76M | Q2 2026 | Aug 14, 2026 |
| Eventide Asset Management, Llc | Buy | +1,375,486 | — | 1,375,486 | $45.28M | Q2 2026 | Aug 14, 2026 |
| Bellevue Group Ag | Buy | +1,350,000 | — | 1,350,000 | $44.44M | Q2 2026 | Aug 14, 2026 |
| Braidwell Lp | Buy | +801,395 | — | 801,395 | $26.38M | Q2 2026 | Aug 14, 2026 |
| Tpg Gp A, Llc | Buy | +773,069 | — | 773,069 | $25.45M | Q2 2026 | Aug 14, 2026 |
| Deerfield Management Company, L.P. | Buy | +731,000 | — | 731,000 | $24.06M | Q2 2026 | Aug 14, 2026 |
| Rock Springs Capital Management Lp | Buy | +662,918 | — | 662,918 | $21.82M | Q2 2026 | Aug 14, 2026 |
| Infinitum Asset Management, Llc | Buy | +411,378 | — | 411,378 | $13.54M | Q2 2026 | Aug 14, 2026 |
| Baker Bros. Advisors Lp | Buy | +350,000 | — | 350,000 | $11.52M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +283,854 | — | 283,854 | $9.34M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Buy | +150,999 | — | 150,999 | $4.97M | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Buy | +146,992 | — | 146,992 | $4.84M | Q2 2026 | Aug 14, 2026 |
| Adar1 Capital Management, Llc | Buy | +146,447 | — | 146,447 | $4.82M | Q2 2026 | Aug 14, 2026 |
| Stempoint Capital Lp | Buy | +118,000 | — | 118,000 | $3.88M | Q2 2026 | Aug 14, 2026 |
| Acuta Capital Partners, Llc | Buy | +115,000 | — | 115,000 | $3.79M | Q2 2026 | Aug 14, 2026 |
| Burkehill Global Management, Lp | Buy | +115,000 | — | 115,000 | $3.79M | Q2 2026 | Aug 14, 2026 |
| Moore Capital Management, Lp | Buy | +110,451 | — | 110,451 | $3.64M | Q2 2026 | Aug 14, 2026 |
| Blackstone Inc. | Buy | +97,985 | — | 97,985 | $3.23M | Q2 2026 | Aug 14, 2026 |
| Seven Grand Managers, Llc | Buy | +75,000 | — | 75,000 | $2.47M | Q2 2026 | Aug 14, 2026 |
| Ghisallo Capital Management Llc | Buy | +70,000 | — | 70,000 | $2.30M | Q2 2026 | Aug 14, 2026 |
| Atom Investors Lp | Buy | +68,254 | — | 68,254 | $2.25M | Q2 2026 | Aug 14, 2026 |
| Zimmer Partners, Lp | Buy | +62,500 | — | 62,500 | $2.06M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about AVLN activity
Which institutional owners are buying AVLN?
Institutional owners buying AVLN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AVLN activity?
"Buy" means an investor increased their reported position in AVLN compared to the prior reporting period. This reflects growing exposure to Avalyn Pharma Inc. (AVLN) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AVLN increasing?
Institutional interest in AVLN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.