Not held in any tracked 13F filing yet.
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.
| Company | Co-held by | Combined value |
|---|---|---|
| ELI LILLY & COLLY | 26 funds | $40.8B |
| UNITEDHEALTH GROUP INCUNH | 26 funds | $25.0B |
| THERMO FISHER SCIENTIFIC INCTMO | 26 funds | $18.0B |
| BOSTON SCIENTIFIC CORPBSX | 26 funds | $13.2B |
| INTUITIVE SURGICAL INCISRG | 26 funds | $11.5B |
| REGENERON PHARMACEUTICALSREGN | 26 funds | $5.9B |
| EDWARDS LIFESCIENCES CORPEW | 26 funds | $3.7B |
| DEXCOM INCDXCM | 26 funds | $2.4B |
| CORCEPT THERAPEUTICS INCCORT | 26 funds | $904.5M |
| AMICUS THERAPEUTICS INCAM6 | 26 funds | $259.2M |
| MICROSOFT CORPMSFT | 25 funds | $273.2B |
| AMAZON.COM INCAMZN | 25 funds | $144.7B |
Ranked by how many of MRSN's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Oct 27, 2025 | Bala Mohan | SVP, Chief Development Officer | Sell (S) | 77 | $762 |
| Sep 12, 2025 | Huber Martin H. Jr. | President, CEO, Director | Sell (S) | 2K | $15K |
| Jan 16, 2025 | Bala Mohan | SVP, Chief Development Officer | Sell (S) | 6K | $3K |
| Jan 16, 2025 | Carvajal Alejandra | SVP, Chief Legal Officer | Sell (S) | 5K | $3K |
| Jan 16, 2025 | DeSchuytner Brian | SVP, COO & CFO | Sell (S) | 8K | $5K |
| Jan 16, 2025 | Huber Martin H. Jr. | President, CEO, Director | Sell (S) | 5K | $3K |
| Jan 16, 2025 | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | Sell (S) | 8K | $5K |
| Jan 16, 2025 | Protopapas Anna | Director | Sell (S) | 9K | $5K |
| Jan 16, 2025 | Mandelia Ashish | VP, Chief Accounting Officer | Sell (S) | 4K | $2K |
| Jan 15, 2025 | Carvajal Alejandra | SVP, Chief Legal Officer | Sell (S) | 952 | $600 |
| Jan 15, 2025 | DeSchuytner Brian | SVP, COO & CFO | Sell (S) | 2K | $1K |
| Jan 15, 2025 | Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | Sell (S) | 2K | $1K |
Connected entities for MRSN
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MRSN/capital-change-brief"
Use Arkolith's capital_change_brief for MRSN. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MRSN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.