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 MSSM 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/MSSM"
Use Arkolith to show who owns MSSM, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | $460.0M | 8.9M | ▼−6.8% Reduced · −651K sh | Q1 2026 | |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.1M | 40K | ▼−4.0% Reduced · −2K sh | Q1 2026 | |
| 3 | FIFTH THIRD BANCORP | $625K | 12K | ▲New +12K sh | Q1 2026 | |
| 4 | CITADEL ADVISORS LLC | $360K | 7K | ▼−65% Reduced · −13K sh | Q1 2026 | |
| 5 | ROYAL BANK OF CANADA | $39K | 748 | ▲New +748 sh | Q1 2026 | |
| 6 | Steward Partners Investment Advisory, LLC | $25K | 481 | ▲New +481 sh | Q1 2026 | |
| 7 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $23K | 444 | ▼−48% Reduced · −405 sh | Q1 2026 | |
| 8 | VANGUARD ADVISERS INC | $9K | 167 | ▲New +167 sh | Q1 2026 | |
| 9 | OSAIC HOLDINGS, INC. | $4K | 86 | ▲+16% Added · +12 sh | Q1 2026 | |
| 10 | Larson Financial Group LLC | $3K | 60 | ▲New +60 sh | Q1 2026 | |
| 11 | IFP Advisors, Inc | $3K | 58 | —Held | Q1 2026 | |
| 12 | Arax Advisory Partners | $2K | 33 | ▲New +33 sh | Q1 2026 | |
| 13 | NewEdge Advisors, LLC | $2K | 32 | ▼−98% Reduced · −2K sh | Q1 2026 | |
| 14 | Cassaday & Co Wealth Management LLC | $1K | 27 | ▲New +27 sh | Q1 2026 | |
| 15 | WELLS FARGO & COMPANY/MN | $1K | 25 | ▼−68% Reduced · −54 sh | Q1 2026 | |
| 16 | MAI Capital Management | $775 | 15 | ▲New +15 sh | Q1 2026 | |
| 17 | ASSETMARK, INC | $723 | 14 | ▲New +14 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 |
|---|---|---|
| MSLCmc | 25 funds | $2.5B |
| MSSMthis pagemc | 17 funds | $463.1M |
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 |
|---|---|---|
| NVIDIA CORPNVDA | 11 funds | $6.2B |
| ISHARES CORE S&P 500 ETFIVV | 11 funds | $5.4B |
| APPLE INCAAPL | 11 funds | $4.8B |
| AMAZON.COM INCAMZN | 11 funds | $3.4B |
| MICROSOFT CORPMSFT | 11 funds | $3.4B |
| ALPHABET INC-CL AGOOGL | 11 funds | $2.8B |
| BROADCOM INCAVGO | 11 funds | $2.4B |
| META PLATFORMS INC-CLASS AMETA | 11 funds | $2.4B |
| JPMORGAN CHASE & COJPM | 11 funds | $2.0B |
| MICRON TECHNOLOGY INCMU | 11 funds | $1.8B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 11 funds | $1.8B |
| SS SPDR DOW JONES INDUS AVGDIA | 11 funds | $1.6B |
Ranked by how many of MSSM'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 MSSM. 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.