Who owns Avalyn Pharma Inc., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
Novo Holdings A/S: 8.8% · 3,883,289 shares
Norwest Venture Partners XV, LP: 5.1% · 2,268,404 shares — Genesis VC Partners XV, LLC: 5.1% · 2,268,404 shares — NVP Associates, LLC: 5.1% · 2,268,404 shares
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Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of Avalyn Pharma Inc. they hold. Together these 92 managers report 99.26% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| FMR LLC | $192M | 5,835,259 | 0.01% | 13.16% | June 30, 2026 |
| NOVO HOLDINGS A/S | $128M | 3,883,289 | 7.42% | 8.76% | June 30, 2026 |
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Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 57 funds hold 7.76% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND | $17.6M | 0.00% | 1.21% | June 30, 2026 |
| T. Rowe Price Small-Cap Stock Fund, Inc. | $13.7M | 0.15% | 0.94% | June 30, 2026 |
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