Avalyn Pharma Inc. (AVLN) Institutional Shareholders
Avalyn Pharma Inc. (AVLN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.38B in AVLN holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of AVLN tracked by InsiderSet, reporting ownership valued at approximately $192.10M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $183.93M, representing an estimated loss of -4.25% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 65% of the total disclosed AVLN value among the investors covered in this analysis. Major shareholders include Fmr Llc, Novo Holdings A/S, Sr One Capital Management, Lp, and several other long-term asset managers with concentrated positions in Avalyn Pharma Inc. (AVLN).
This page ranks the largest institutional AVLN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
90
Total Reported Value
$1.38B
Largest Holder
Fmr Llc
Largest Position
$192.10M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
91
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.01% | 5,835,259 | $192,096,726 | $183,927,364 | -$8,169,362 | -4.25% | |
| Novo Holdings A/S | 7.42% | 3,883,289 | $127,837,874 | $122,401,269 | -$5,436,605 | -4.25% | |
| Sr One Capital Management, Lp | 10.48% | 3,308,649 | $108,920,725 | $104,288,616 | -$4,632,109 | -4.25% | |
| Perceptive Advisors Llc | 1.37% | 2,675,296 | $88,070,744 | $84,325,330 | -$3,745,414 | -4.25% | |
| Suvretta Capital Management, Llc | 1.73% | 2,503,109 | $82,402,348 | $78,897,996 | -$3,504,352 | -4.25% | |
| Nvp Associates, Llc | 22.75% | 2,268,404 | $74,675,860 | $71,500,094 | -$3,175,766 | -4.25% | |
| Wellington Management Group Llp | 0.01% | 2,201,986 | $72,489,379 | $69,406,599 | -$3,082,780 | -4.25% | |
| Price T Rowe Associates Inc | 0.01% | 1,735,231 | $57,124,000 | $54,694,481 | -$2,429,519 | -4.25% | |
| T. Rowe Price Investment Management, Inc. | 0.03% | 1,602,745 | $52,763,000 | $50,518,522 | -$2,244,478 | -4.25% | |
| Eventide Asset Management, Llc | 0.61% | 1,375,486 | $45,280,999 | $43,355,319 | -$1,925,680 | -4.25% | |
| Bellevue Group Ag | 0.94% | 1,350,000 | $44,442,000 | $42,552,000 | -$1,890,000 | -4.25% | |
| Blackrock, Inc. | 0.00% | 977,264 | $32,171,531 | $30,803,361 | -$1,368,170 | -4.25% | |
| Pivotal Bioventure Partners Investment Advisor Llc | 10.34% | 966,792 | $31,826,793 | $30,473,284 | -$1,353,509 | -4.25% | |
| Citadel Advisors Llc | 0.02% | 959,098 | $31,573,506 | $30,230,769 | -$1,342,737 | -4.25% | |
| Andera Partners | 14.82% | 929,824 | $30,609,806 | $29,308,052 | -$1,301,754 | -4.25% | |
| Jennison Associates Llc | 0.02% | 812,749 | $26,755,697 | $25,617,848 | -$1,137,849 | -4.25% | |
| Braidwell Lp | 0.98% | 801,395 | $26,381,923 | $25,259,970 | -$1,121,953 | -4.25% | |
| Tpg Gp A, Llc | 0.51% | 773,069 | $25,449,431 | $24,367,135 | -$1,082,296 | -4.25% | |
| Vanguard Capital Management Llc | 0.00% | 739,770 | $24,353,228 | $23,317,550 | -$1,035,678 | -4.25% | |
| Deerfield Management Company, L.P. | 0.25% | 731,000 | $24,064,520 | $23,041,120 | -$1,023,400 | -4.25% | |
| Rock Springs Capital Management Lp | 1.07% | 662,918 | $21,823,261 | $20,895,175 | -$928,086 | -4.25% | |
| Geode Capital Management, Llc | 0.00% | 434,650 | $14,312,229 | $13,700,168 | -$612,061 | -4.28% | |
| Soleus Capital Management, L.P. | 0.48% | 419,000 | $13,793,480 | $13,206,880 | -$586,600 | -4.25% | |
| Infinitum Asset Management, Llc | 1.38% | 411,378 | $13,542,564 | $12,966,635 | -$575,929 | -4.25% | |
| Baker Bros. Advisors Lp | 0.06% | 350,000 | $11,522,000 | $11,032,000 | -$490,000 | -4.25% | |
| Silverarc Capital Management, Llc | 1.21% | 330,487 | $10,879,632 | $10,416,950 | -$462,682 | -4.25% | |
| Goldman Sachs Group Inc | 0.00% | 283,854 | $9,344,474 | $8,947,078 | -$397,396 | -4.25% | |
| Federated Hermes, Inc. | 0.01% | 160,000 | $5,267,200 | $5,043,200 | -$224,000 | -4.25% | |
| Woodline Partners Lp | 0.02% | 150,999 | $4,970,887 | $4,759,488 | -$211,399 | -4.25% | |
| Charles Schwab Investment Management Inc | 0.00% | 146,992 | $4,838,977 | $4,633,188 | -$205,789 | -4.25% | |
| Adar1 Capital Management, Llc | 0.23% | 146,447 | $4,821,035 | $4,616,009 | -$205,026 | -4.25% | |
| Northern Trust Corp | 0.00% | 136,394 | $4,490,091 | $4,299,139 | -$190,952 | -4.25% | |
| Stempoint Capital Lp | 0.67% | 118,000 | $3,884,560 | $3,719,360 | -$165,200 | -4.25% | |
| Vanguard Portfolio Management Llc | 0.00% | 117,338 | $3,862,767 | $3,698,494 | -$164,273 | -4.25% | |
| Vanguard Fiduciary Trust Co | 0.00% | 116,763 | $3,843,838 | $3,680,370 | -$163,468 | -4.25% | |
| Acuta Capital Partners, Llc | 2.64% | 115,000 | $3,785,800 | $3,624,800 | -$161,000 | -4.25% | |
| Burkehill Global Management, Lp | 0.14% | 115,000 | $3,785,800 | $3,624,800 | -$161,000 | -4.25% | |
| Moore Capital Management, Lp | 0.08% | 110,451 | $3,636,047 | $3,481,416 | -$154,631 | -4.25% | |
| Blackstone Inc. | 0.01% | 97,985 | $3,225,666 | $3,088,487 | -$137,179 | -4.25% | |
| Td Asset Management Inc | 0.00% | 94,636 | $3,115,417 | $2,982,927 | -$132,490 | -4.25% | |
| Seven Grand Managers, Llc | 0.10% | 75,000 | $2,469,000 | $2,364,000 | -$105,000 | -4.25% | |
| Ghisallo Capital Management Llc | 0.05% | 70,000 | $2,304,400 | $2,206,400 | -$98,000 | -4.25% | |
| Atom Investors Lp | 0.20% | 68,254 | $2,246,922 | $2,151,366 | -$95,556 | -4.25% | |
| Aberdeen Group Plc | 0.00% | 67,174 | $2,211,368 | $2,117,324 | -$94,044 | -4.25% | |
| Zimmer Partners, Lp | 0.05% | 62,500 | $2,057,500 | $1,970,000 | -$87,500 | -4.25% | |
| Avidity Partners Management Lp | 0.32% | 60,000 | $1,975,200 | $1,891,200 | -$84,000 | -4.25% | |
| Lmr Partners Llp | 0.01% | 54,323 | $1,788,313 | $1,712,261 | -$76,052 | -4.25% | |
| Ameriprise Financial Inc | 0.00% | 50,045 | $1,647,481 | $1,577,418 | -$70,063 | -4.25% | |
| Freestone Grove Partners Lp | 0.01% | 50,000 | $1,646,000 | $1,576,000 | -$70,000 | -4.25% | |
| Brevan Howard Capital Management Lp | 0.02% | 43,001 | $1,415,593 | $1,355,392 | -$60,201 | -4.25% |
Frequently asked questions about AVLN
Who owns the most AVLN stock?
The largest holders of AVLN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for Avalyn Pharma Inc. (AVLN).
Is AVLN widely held by superinvestors?
Many widely followed stocks like AVLN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AVLN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.