The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query NAMSW owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/NAMSW"
Use Arkolith to show who owns NAMSW, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Frazier Life Sciences Management, L.P. | $10.0M | 500K | —Held | Q1 2026 | |
| 2 | RA CAPITAL MANAGEMENT, L.P. | $6.7M | 333K | —Held | Q1 2026 | |
| 3 | DEERFIELD MANAGEMENT COMPANY, L.P. | $1.9M | 93K | —Held | Q1 2026 | |
| 4 | ARISTEIA CAPITAL, L.L.C. | $343K | 16K | —Held | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| NEWAMSTERDAM PHARMA CO NVNAMS | 3 funds | $984.6M |
| BIOCRYST PHARMACEUTICALS INCBCRX | 3 funds | $332.0M |
| DISC MEDICINE INCIRON | 3 funds | $285.3M |
| ASCENDIS PHARMA A/SASNDUSD | 2 funds | $2.4B |
| NUVALENT INC-ANUVL | 2 funds | $2.0B |
| MIRUM PHARMACEUTICALS INCMIRM | 2 funds | $738.9M |
| TYRA BIOSCIENCES INCTYRA | 2 funds | $488.2M |
| SIONNA THERAPEUTICS INCSION | 2 funds | $436.0M |
| PRAXIS PRECISION MEDICINES IPRAX | 2 funds | $430.8M |
| EDGEWISE THERAPEUTICS INCEWTX | 2 funds | $328.5M |
| DIANTHUS THERAPEUTICS INCDNTH | 2 funds | $304.8M |
| REVOLUTION MEDICINES INCRVMD | 2 funds | $289.1M |
Ranked by how many of NAMSW's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for NAMSW. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.