Hemab Therapeutics Holdings (COAG): which funds own it
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
Sections with a free account
5 concentrated managers hold it (+4 vs last quarter) with a median weight of 0.6%. 1 officer or director bought in 6 months.
Who owns Hemab Therapeutics Holdings?
Holders reporting more than 5% of the shares to the SEC (Schedules 13D/13G): RA Capital Management, 16.6% (13G filed May 11, 2026), AI Den-mab, 10.4% (13D filed May 11, 2026), Novo Holdings A/s, 9.0% (13G filed Aug 14, 2026), Deep Track Capital, 8.2% (13G filed May 8, 2026) and FMR, 7.9% (13G filed Aug 6, 2026). Kolchinsky Peter, RA Capital Healthcare Fund LP and Shah Rajeev M. are listed on their Form 4 filings as owners of more than 10%. As of Jun 30, 2026, the largest holders reported on Form 13F were RA Capital Management (16.7% of the shares), Novo Holdings A/s (9.0%) and FMR (7.9%).
Which institutions hold the most Hemab Therapeutics Holdings shares?
Per Form 13F filings as of Jun 30, 2026, as a share of all shares outstanding:
- 1. RA Capital Management: 16.7%
- 2. Novo Holdings A/s: 9.0%
- 3. FMR: 7.9%
- 4. Capital International Investors: 7.7%
- 5. Deep Track Capital: 7.7%
- 6. Siren, L.L.C: 4.5%
- 7. Avoro Capital Advisors: 4.1%
- 8. Bain Capital Life Sciences Investors: 3.5%
- 9. JPMorgan Chase: 2.5%
- 10. Vanguard Capital Management: 1.7%
How much of Hemab Therapeutics Holdings do institutions own?
The 56 institutions that file 13F reported 77.6% of the shares as of Jun 30, 2026.
Sources:13G by RA Capital Management (May 11, 2026) ↗13D by AI Den-mab (May 11, 2026) ↗13G by Novo Holdings A/s (Aug 14, 2026) ↗13G by Deep Track Capital (May 8, 2026) ↗13G by FMR (Aug 6, 2026) ↗All of the company's proxy statements on EDGAR ↗
13F percentages divide the shares each institution reports by the shares outstanding on the cover of the company's latest report before the quarter end (May 8, 2026). Entities of the same group file separately and are not added up. We hold 13D and 13G filings made since Dec 23, 2024: a holder above 5% that has not filed since then does not appear here.
Well-known investors holding it
Quarter flow (concentrated managers)
Change in managers: 4 opened · 0 exited = +4 (plus 1 who received it in a spin-off)
Net flow in the quarter: +$420M (+11.4 M shares) · bought $420M and sold $0Shares concentrated managers added minus those they cut, valued at the 13F quarter-end implied price, not each trade's price. It is a different measure from the change in managers: the two can have opposite signs.
Concentrated managers holding it
- RA Capital ManagementNewly listed$287M2.5%+2.5 pp
- Avoro Capital AdvisorsNewly listed$70.7M0.6%+0.6 pp
- Bain Capital Life Sciences InvestorsNewly listed$60.6M3.6%+3.6 pp
- Deerfield ManagementSpin-off$10.1M0.1%
- Opaleye ManagementNewly listed$1.8M0.2%+0.2 pp
Up to 15, sorted by position value. The percentage is the weight in each manager's portfolio.
Other relevant holders
Filers with $100M or more in the stock that do not count as concentrated managers because of their type: they are left out of the counts, the consensus and the accumulation.
- Novo Holdings A/sFoundation or endowment$154M8.9%
Largest holders of COAG (all 13F filers)
- RA Capital Managementconcentrated7.8 MInvestment firm+7.8 M
- Novo Holdings A/s4.2 MFoundation or endowment+4.2 M
- FMR3.7 MInvestment firm+3.7 M
- Capital International Investors3.6 MInvestment firm+3.6 M
- Deep Track Capital3.6 MInvestment firm+3.6 M
- Siren, L.L.C2.1 MType not verified+2.1 M
- Avoro Capital Advisorsconcentrated1.9 MInvestment firm+1.9 M
- Bain Capital Life Sciences Investorsconcentrated1.7 MInvestment firm+1.7 M
- JPMorgan Chase1.2 MBank or trading desk+1.2 M
- Vanguard Capital Management781 KIndex manager+781 K
- RA Capital Managementconcentrated
- Shares
- 7.8 M
- Change
- +7.8 M
See more
- Type
- Investment firm
- Value
- $287M
- Shares
- 4.2 M
- Change
- +4.2 M
See more
- Type
- Foundation or endowment
- Value
- $154M
- Shares
- 3.7 M
- Change
- +3.7 M
See more
- Type
- Investment firm
- Value
- $136M
- Shares
- 3.6 M
- Change
- +3.6 M
See more
- Type
- Investment firm
- Value
- $132M
- Shares
- 3.6 M
- Change
- +3.6 M
See more
- Type
- Investment firm
- Value
- $132M
- Shares
- 2.1 M
- Change
- +2.1 M
See more
- Type
- Type not verified
- Value
- $76.6M
- Avoro Capital Advisorsconcentrated
- Shares
- 1.9 M
- Change
- +1.9 M
See more
- Type
- Investment firm
- Value
- $70.7M
- Bain Capital Life Sciences Investorsconcentrated
- Shares
- 1.7 M
- Change
- +1.7 M
See more
- Type
- Investment firm
- Value
- $60.6M
- Shares
- 1.2 M
- Change
- +1.2 M
See more
- Type
- Bank or trading desk
- Value
- $42.3M
- Shares
- 781 K
- Change
- +781 K
See more
- Type
- Index manager
- Value
- $28.7M
The 10 13F filers with the most shares as of Jun 30, 2026, whatever their type (index firms usually come first). “Change”: shares added or cut versus the previous quarter, split-adjusted; “no data” = there is no comparable portfolio for the previous quarter (no filing, or a filing with its holdings under confidential treatment). “% of the company” only where shares outstanding are up to date. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. With a free account: the top 25, the largest buyers and the largest sellers.
Held by institutions (13F)
Institutions (13F): 77.6% of the shares · top 10: 65.3% · in index firms: 4.5% of the institutional total
Shares reported by the 56 13F filers as of Jun 30, 2026, divided by the shares outstanding on the cover of the company's latest report (May 8, 2026). It is not all institutional ownership: only managers above $100M file a 13F, and it excludes short positions. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. We only publish it where the figure is credible: not for ADRs, companies with more than one share class or stale shares-outstanding data.
Fundamentals
Balance sheet only, for now. COAG has not yet filed its first annual report (10-K) with the SEC, so there are no 12-month figures (revenue, margins, earnings and cash flow). We show the balance sheet from its latest filing; once the 12-month figures are available, this section fills in automatically.
- Cash and equivalents
- $237M
- Investments
- $220M
- Shareholders' equity
- $454M
Balance sheet figures the company filed with the SEC (10-Q or 10-K), in dollars. Net debt = total debt − cash − investments; when negative, the company has more cash than debt (net cash). How each figure is calculated
Insiders (Form 4)
10% owners who bought (6 m): 0
Open-market purchases, excluding 10b5-1 plans. Officers and directors only; joint filers of the same purchase count as one. 10% owners with no role are shown separately. 0 = nobody bought; “no data” = we do not have its Form 4 filings.
Each of the company's Form 4 filings, on EDGAR ↗Latest trades, with date and filing →
Above 5% (13D/13G)
Disclosed stakes, with their amendments. A filing is not always a purchase: there are also reductions and changes of filing entity.
This list may be incomplete: we hold 13D and 13G filings made since Dec 23, 2024. A holder above 5% that has not filed anything since then is not shown here.
- Novo Holdings A/s9%13Gfiling ↗Event: Jun 30, 2026 · filed: Aug 14, 2026
- Avoro Capital Advisors7.06%13Gfiling ↗Event: Jun 30, 2026 · filed: Aug 14, 2026
- Capital International Investors7.7%13Gfiling ↗Event: Jun 30, 2026 · filed: Aug 12, 2026
Above 5% over time (13D/13G)
Each holder with its filings in order. History since December 2024.
Flagged material events (8-K)
Change in directors or officers (Item 5.02)
Change in directors or officers (Item 5.02)
Alert items the company itself flagged in its 8-K filings with the SEC, most serious first. It is the form's label, with no interpretation from us: Item 5.02 covers routine appointments as well as a chief executive's departure; open the filing. The quoted headline is the original press release's.
All material events (8-K)
Earnings, agreements, financing, management changes and announcements from the last year, with a filter by type and a link to each filing.
Other Health Care stocks in managers' portfolios
Same sector and a similar number of concentrated managers holding them. It is a list to keep exploring, not a recommendation.
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