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 MATV 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/MATV"
Use Arkolith to show who owns MATV, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $52.5M | 6.0M | ▼−2.1% Reduced · −128K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $45.4M | 3.7M | ▲+5.5% Added · +194K sh | Q4 2025 | |
| 3 | Allspring Global Investments Holdings, LLC | $35.7M | 4.1M | ▲+3.5% Added · +139K sh | Q1 2026 | |
| 4 | Rubric Capital Management LP | $34.6M | 4.0M | —Held | Q1 2026 | |
| 5 | Invenomic Capital Management LP | $16.8M | 1.9M | ▲+12% Added · +214K sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $11.6M | 1.3M | ▲+3.5% Added · +45K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $10.2M | 1.2M | ▲+1.5% Added · +17K sh | Q1 2026 | |
| 8 | First Eagle Investment Management, LLC | $9.6M | 1.1M | ▲+4.3% Added · +45K sh | Q1 2026 | |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | $7.9M | 912K | ▲New +912K sh | Q1 2026 | |
| 10 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $4.6M | 527K | ▲+14% Added · +64K sh | Q1 2026 | |
| 11 | DEPRINCE RACE & ZOLLO INC | $3.9M | 450K | ▼−0.8% Reduced · −4K sh | Q1 2026 | |
| 12 | FMR LLC | $3.9M | 444K | ▼−56% Reduced · −568K sh | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $3.1M | 354K | ▲New +354K sh | Q1 2026 | |
| 14 | JACOBS LEVY EQUITY MANAGEMENT, INC | $3.0M | 349K | ▲+83% Added · +158K sh | Q1 2026 | |
| 15 | TUDOR INVESTMENT CORP ET AL | $3.0M | 343K | ▲+8.5% Added · +27K sh | Q1 2026 | |
| 16 | Point72 Asset Management, L.P. | $2.9M | 329K | ▲+76% Added · +142K sh | Q1 2026 | |
| 17 | PANAGORA ASSET MANAGEMENT INC | $2.3M | 263K | ▲+65% Added · +104K sh | Q1 2026 | |
| 18 | Trexquant Investment LP | $2.0M | 230K | ▼−29% Reduced · −93K sh | Q1 2026 | |
| 19 | Engineers Gate Manager LP | $1.8M | 204K | ▲+82% Added · +92K sh | Q1 2026 | |
| 20 | Man Group plc | $787K | 91K | ▲+161% Added · +56K sh | Q1 2026 | |
| 21 | CITADEL ADVISORS LLC | $710K | 82K | ▲+222% Added · +56K sh | Q1 2026 | |
| 22 | IEQ CAPITAL, LLC | $581K | 67K | ▼−15% Reduced · −12K sh | Q1 2026 | |
| 23 | Magnetar Financial LLC | $432K | 50K | ▲+87% Added · +23K sh | Q1 2026 | |
| 24 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $304K | 35K | ▲+51% Added · +12K sh | Q1 2026 | |
| 25 | Centiva Capital, LP | $229K | 26K | ▲New +26K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 19, 2026 | JOHNSON MARK W | CLO and Corporate Secretary | Tax withholding (F) | 3K | $25K |
| Mar 19, 2026 | Elwart Ryan Michael | Group President | Tax withholding (F) | 4K | $30K |
| Mar 19, 2026 | Allegri Cheryl | Controller | Tax withholding (F) | 965 | $8K |
| Mar 11, 2026 | Singhal Shruti | President, CEO, Director | Option exercise (M) | 306K | $0 |
| Mar 11, 2026 | Singhal Shruti | President, CEO, Director | Option exercise (M) | 306K | — |
| Mar 11, 2026 | Singhal Shruti | President, CEO, Director | Tax withholding (F) | 84K | $758K |
| Feb 24, 2026 | JOHNSON MARK W | CLO and Corporate Secretary | Grant (A) | 24K | — |
| Feb 24, 2026 | Elwart Ryan Michael | Group President | Grant (A) | 29K | — |
| Feb 24, 2026 | Allegri Cheryl | Controller | Grant (A) | 8K | — |
| Feb 24, 2026 | Minder Scott | Chief Financial Officer | Grant (A) | 31K | — |
| Feb 24, 2026 | Singhal Shruti | President, CEO, Director | Grant (A) | 125K | — |
| Feb 16, 2026 | Allegri Cheryl | Controller | Option exercise (M) | 642 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 60 funds | $25.4B |
| META PLATFORMS INC-CLASS AMETA | 59 funds | $14.1B |
| COMCAST CORP-CLASS ACMCSA | 59 funds | $2.2B |
| AUTOMATIC DATA PROCESSINGADP | 59 funds | $1.7B |
| AMAZON.COM INCAMZN | 58 funds | $19.4B |
| ALPHABET INC-CL AGOOGL | 58 funds | $18.0B |
| ELI LILLY & COLLY | 58 funds | $6.4B |
| COSTCO WHOLESALE CORPCOST | 58 funds | $5.4B |
| GENERAL MOTORS COGM | 58 funds | $1.7B |
| BROADCOM INCAVGO | 57 funds | $13.8B |
| JPMORGAN CHASE & COJPM | 57 funds | $8.9B |
| CHEVRON CORPCVX | 57 funds | $3.7B |
Ranked by how many of MATV's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MATV. 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.