Weekly Report
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Biohedge Weekly
13D/13G filings from 18 institutional investors — cross-referenced with SEC filings, insider trades, and trial data.
3
Filings
3
Activist (13D)
0
New Positions
3
Companies
Weekly Filing Volume
13D (Activist)
13G (Passive)
This week
Filings This Week
| Company | Fund | Ownership | Type |
|---|---|---|---|
| Rallybio Corp (RLYB) | 5AM Ventures | 5.5% | 13D/A [SEC] |
| ACADIA PHARMACEUTICALS INC (ACAD) | Baker Brothers Advisors | 25.4% | 13D/A [SEC] |
| Lantern Pharma Inc. (LTRN) | BIOS Partners | 8.6% ↓1.4 | 13D/A [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 >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.