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 MTA 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/MTA"
Use Arkolith to show who owns MTA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Merk Investments LLC | $19.9M | 3.0M | —Held | Q1 2026 | |
| 2 | FMR LLC | $17.5M | 2.6M | ▲+12% Added · +276K sh | Q1 2026 | |
| 3 | SPROTT INC. | $10.6M | 1.6M | ▲+13% Added · +184K sh | Q1 2026 | |
| 4 | TWO SIGMA INVESTMENTS, LP | $7.0M | 1.1M | ▲+59% Added · +394K sh | Q1 2026 | |
| 5 | MORGAN STANLEY | $4.9M | 742K | ▲+1.7% Added · +12K sh | Q1 2026 | |
| 6 | TUDOR INVESTMENT CORP ET AL | $3.4M | 520K | ▲+34% Added · +133K sh | Q1 2026 | |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $3.0M | 452K | ▲+210% Added · +306K sh | Q1 2026 | |
| 8 | HORIZON KINETICS ASSET MANAGEMENT LLC | $2.7M | 404K | ▼~0% Reduced · −100 sh | Q1 2026 | |
| 9 | Mariner, LLC | $2.2M | 331K | ▲New +331K sh | Q1 2026 | |
| 10 | RAYMOND JAMES FINANCIAL INC | $2.1M | 318K | ▲+9.2% Added · +27K sh | Q1 2026 | |
| 11 | JANE STREET GROUP, LLC | $2.1M | 314K | ▼−12% Reduced · −44K sh | Q1 2026 | |
| 12 | ALPS ADVISORS INC | $2.0M | 309K | ▲+8.6% Added · +24K sh | Q1 2026 | |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $1.6M | 254K | ▲+50% Added · +85K sh | Q1 2026 | |
| 14 | D. E. Shaw & Co., Inc. | $1.6M | 247K | ▲+34% Added · +62K sh | Q1 2026 | |
| 15 | JPMORGAN CHASE & CO | $1.6M | 264K | ▲+75% Added · +113K sh | Q1 2026 | |
| 16 | CITADEL ADVISORS LLC | $1.5M | 220K | ▲+173% Added · +140K sh | Q1 2026 | |
| 17 | MILLENNIUM MANAGEMENT LLC | $1.3M | 193K | ▲11× Added · +175K sh | Q1 2026 | |
| 18 | Brooklyn Investment Group | $1.0M | 158K | ▲New +158K sh | Q1 2026 | |
| 19 | HighTower Advisors, LLC | $835K | 126K | ▼−1.5% Reduced · −2K sh | Q1 2026 | |
| 20 | XTX Topco Ltd | $759K | 115K | ▲+195% Added · +76K sh | Q1 2026 | |
| 21 | Point72 Asset Management, L.P. | $616K | 93K | ▲+600% Added · +80K sh | Q1 2026 | |
| 22 | OSAIC HOLDINGS, INC. | $560K | 85K | —Held | Q1 2026 | |
| 23 | CWA Asset Management Group, LLC | $549K | 83K | ▲New +83K sh | Q1 2026 | |
| 24 | Walleye Capital LLC | $448K | 68K | ▲+91% Added · +32K sh | Q1 2026 | |
| 25 | Leonteq Securities AG | $431K | 65K | ▲New +65K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 29 funds | $7.8B |
| MICROSOFT CORPMSFT | 28 funds | $7.6B |
| BROADCOM INCAVGO | 28 funds | $5.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 28 funds | $2.6B |
| MASTERCARD INC - AMA | 28 funds | $2.1B |
| VISA INC-CLASS A SHARESV | 28 funds | $2.0B |
| CHEVRON CORPCVX | 28 funds | $1.8B |
| UNITEDHEALTH GROUP INCUNH | 28 funds | $1.7B |
| NVIDIA CORPNVDA | 27 funds | $12.1B |
| APPLE INCAAPL | 27 funds | $9.5B |
| ALPHABET INC-CL AGOOGL | 27 funds | $5.2B |
| META PLATFORMS INC-CLASS AMETA | 27 funds | $4.2B |
Ranked by how many of MTA'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 MTA. 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.