BioHedge Weekly
13D/13G filings from 18 institutional investors, cross-referenced with trial events and regulatory filings. Part of the RxDataLab platform with clinical trials, SEC filings, and hedge fund positioning, linked by company.
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Weekly Filing Volume
Filings This Week
| Fund / Company | Ownership & Type |
|---|---|
Redmile Group ATARA BIOTHERAPEUTICS INC (ATRA) | 9.9% 13D/A [SEC] |
Perceptive Advisors | 10.1% New 13G [SEC] |
RA Capital Management Artiva Biotherapeutics, Inc. (ARTV) | 37.9% +1.3 13D/A [SEC] |
RA Capital Management | 14.3% 13D/A [SEC] |
RA Capital Management Vor Biopharma Inc. (VOR) | 19.9% 13D/A [SEC] |
Fairmount Funds Management LLC CRESCENT BIOPHARMA INC. (CBIO) | 16.5% -2.0 13D/A [SEC] |
EcoR1 Capital Alto Neuroscience (ANRO) | 5.8% New 13G [SEC] |
RA Capital Management AGENUS INC (AGEN) | 9.9% New 13G [SEC] |
New Positions
Funds disclosing more than 5% ownership in a company for the first time.
| Fund / Company | Ownership & Type |
|---|---|
Perceptive Advisors | 10.1% SC 13G [SEC] |
RA Capital Management AGENUS INC (AGEN) | 9.9% SC 13G [SEC] |
EcoR1 Capital Alto Neuroscience (ANRO) | 5.8% SC 13G [SEC] |
About This Data
Schedule 13D/13G filings are SEC disclosures that report beneficial ownership. They are required when an investor acquires more than 5% of a company's shares. Schedule 13D filings indicate activist intent (potential influence over company direction), while 13G filings indicate passive investment.
New positions are filings where a fund discloses more than 5% ownership in a company for the first time.
We track 18 biotech-focused institutional investors with known sector expertise.
Data from RxDataLab and the SEC.