Hemab Therapeutics Holdings, Inc.
Ownership
Ownership Structure
Who owns Hemab Therapeutics Holdings, Inc. (COAG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 43.5% of the shares are freely tradable; institutional investors hold 71.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Capital Research & Mgmt Co - Division 3 | 7.72 | 3,603,876 | +0.0 | 06/30/2026 |
| Deep Track Capital, LP | 7.71 | 3,602,093 | +0.0 | 06/30/2026 |
| Rock Springs Capital Management LP | 1.23 | 575,432 | +0.0 | 06/30/2026 |
| Citadel Advisors Llc | 1.12 | 523,450 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Funds SMALLCAP World A | 7.51 | 3,506,543 | +0.0 | 06/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.19 | 555,543 | +0.0 | 08/31/2026 |
| JPMorgan Small Cap Growth A | 1.14 | 531,382 | +0.0 | 07/31/2026 |
| Fidelity Growth Company Fund | 1.12 | 523,853 | +0.0 | 07/31/2026 |
| Fidelity Select Biotechnology | 0.94 | 439,476 | +0.0 | 07/31/2026 |
| Fidelity Stock Selector Small Cap | 0.79 | 368,300 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.