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 MSLE 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/MSLE"
Use Arkolith to show who owns MSLE, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Siren, L.L.C. | $5.0M | 892K | ▲New +892K sh | Q1 2026 | |
| 2 | Point72 Asset Management, L.P. | $3.9M | 691K | ▲New +691K sh | Q1 2026 | |
| 3 | Woodline Partners LP | $2.8M | 500K | ▲New +500K sh | Q1 2026 | |
| 4 | SUVRETTA CAPITAL MANAGEMENT, LLC | $2.7M | 475K | ▲New +475K sh | Q1 2026 | |
| 5 | Soleus Capital Management, L.P. | $2.3M | 414K | ▲New +414K sh | Q1 2026 | |
| 6 | 683 Capital Management, LLC | $1.3M | 231K | ▲New +231K sh | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $239K | 42K | ▲New +42K sh | Q1 2026 | |
| 8 | MAI Capital Management | $789 | 140 | ▲New +140 sh | Q1 2026 | |
| 9 | Federation des caisses Desjardins du Quebec | $106 | 19 | ▲New +19 sh | 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.
| Class | 13F holders | Value held |
|---|---|---|
| MSLEthis pageCommon | 21 funds | $35.8M |
| 80401L308COM | 1 funds | $1.2M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 8 funds | $4.1B |
| TANGO THERAPEUTICS INCTNGX | 8 funds | $310.1M |
| NVIDIA CORPNVDA | 7 funds | $6.5B |
| MICROSOFT CORPMSFT | 7 funds | $2.7B |
| META PLATFORMS INC-CLASS AMETA | 7 funds | $2.2B |
| ALPHABET INC-CL AGOOGL | 7 funds | $2.1B |
| CAPITAL ONE FINANCIAL CORPCOF | 7 funds | $750.4M |
| UNITEDHEALTH GROUP INCUNH | 7 funds | $737.0M |
| UNITED THERAPEUTICS CORPUTHR | 7 funds | $422.8M |
| APELLIS PHARMACEUTICALS INCAPLSUSD | 7 funds | $360.8M |
| ERASCA INCERAS | 7 funds | $302.6M |
| ARCUS BIOSCIENCES INCRCUS | 7 funds | $296.5M |
Ranked by how many of MSLE'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 MSLE. 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.