Who owns Hemab Therapeutics Holdings, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of COAG from SEC Form 13F filings across 56 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 56 institutions disclosed 36.3M shares of Hemab Therapeutics Holdings, Inc. worth $1.33B — about 120.4% of shares outstanding; the largest disclosed holder is RA CAPITAL MANAGEMENT, L.P.. Source: SEC Form 13F filings, parsed by EvidInvest.
56
13F holders
$1.33B
value, 2026 filers
120.4%
of shares outstanding (36.3M sh)
56
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of COAG's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P.NEW | 7.8M | $286.8M | 2.5% | 25.9% | new |
| 2 | NOVO HOLDINGS A/SNEW | 4.2M | $153.6M | 8.9% | 13.9% | new |
| 3 | FMR LLCNEW | 3.7M | $135.8M | 0.0% | 12.3% | new |
| 4 | Capital International InvestorsNEW | 3.6M | $132.4M | 0.0% | 12% | new |
| 5 | Deep Track Capital, LPNEW | 3.6M | $132.3M | 1.9% | 12% | new |
| 6 | Siren, L.L.C.NEW | 2.1M | $76.6M | 1.6% | 6.9% | new |
| 7 | Avoro Capital Advisors LLCNEW | 1.9M | $70.7M | 0.6% | 6.4% | new |
| 8 | Bain Capital Life Sciences Investors, LLCNEW | 1.6M | $60.6M | 3.6% | 5.5% | new |
| 9 | JPMORGAN CHASE & CONEW | 1.2M | $42.3M | 0.0% | 3.8% | new |
| 10 | VANGUARD CAPITAL MANAGEMENT LLCNEW | 780,758 | $28.7M | 0.0% | 2.6% | new |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/NEW | 746,040 | $27.4M | 0.0% | 2.5% | new |
| 12 | Driehaus Capital Management LLCNEW | 715,791 | $26.3M | 0.2% | 2.4% | new |
| 13 | Rock Springs Capital Management LPNEW | 575,432 | $21.1M | 1.0% | 1.9% | new |
| 14 | Bellevue Group AGNEW | 550,000 | $20.2M | 0.4% | 1.8% | new |
| 15 | CITADEL ADVISORS LLCNEW | 523,450 | $19.2M | 0.0% | 1.7% | new |
| 16 | BlackRock, Inc.NEW | 283,833 | $10.4M | 0.0% | 0.9% | new |
| 17 | DEERFIELD MANAGEMENT COMPANY, L.P.NEW | 275,000 | $10.1M | 0.1% | 0.9% | new |
| 18 | ExodusPoint Capital Management, LPNEW | 218,287 | $8.0M | 0.1% | 0.7% | new |
| 19 | GEODE CAPITAL MANAGEMENT, LLCNEW | 211,798 | $7.8M | 0.0% | 0.7% | new |
| 20 | BRAIDWELL LPNEW | 160,000 | $5.9M | 0.2% | 0.5% | new |
| 21 | MARSHALL WACE, LLPNEW | 154,674 | $5.7M | 0.0% | 0.5% | new |
| 22 | Woodline Partners LPNEW | 150,040 | $5.5M | 0.0% | 0.5% | new |
| 23 | Affinity Asset Advisors, LLCNEW | 138,030 | $5.1M | 0.2% | 0.5% | new |
| 24 | Ensign Peak Advisors, IncNEW | 115,394 | $4.2M | 0.0% | 0.4% | new |
| 25 | VANGUARD FIDUCIARY TRUST CONEW | 112,499 | $4.1M | 0.0% | 0.4% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.