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 MDXG 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/MDXG"
Use Arkolith to show who owns MDXG, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $48.6M | 7.2M | ▲+5.6% Added · +383K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $47.0M | 11.9M | ▲+5.1% Added · +578K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $20.0M | 5.1M | ▲+33% Added · +1.2M sh | Q1 2026 | |
| 4 | PARADIGM CAPITAL MANAGEMENT INC/NY | $13.5M | 3.4M | ▲+39% Added · +959K sh | Q1 2026 | |
| 5 | Nantahala Capital Management, LLC | $13.4M | 3.4M | ▲+41% Added · +981K sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $11.4M | 2.9M | ▲+1.4% Added · +39K sh | Q1 2026 | |
| 7 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | $8.0M | 2.0M | ▲+0.6% Added · +13K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $4.4M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 9 | VANGUARD FIDUCIARY TRUST CO | $3.3M | 823K | ▲New +823K sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $3.1M | 776K | ▲+73% Added · +327K sh | Q1 2026 | |
| 11 | DISCIPLINED GROWTH INVESTORS INC /MN | $2.5M | 639K | ▼−57% Reduced · −844K sh | Q1 2026 | |
| 12 | OP Asset Management Ltd | $2.4M | 609K | ▲+484% Added · +505K sh | Q1 2026 | |
| 13 | LOS ANGELES CAPITAL MANAGEMENT LLC | $2.0M | 519K | ▲618× Added · +518K sh | Q1 2026 | |
| 14 | Trexquant Investment LP | $2.0M | 507K | ▲+92% Added · +244K sh | Q1 2026 | |
| 15 | Man Group plc | $1.5M | 370K | ▲+162% Added · +229K sh | Q1 2026 | |
| 16 | Point72 Asset Management, L.P. | $848K | 215K | ▼−33% Reduced · −108K sh | Q1 2026 | |
| 17 | Rafferty Asset Management, LLC | $488K | 124K | ▲+78% Added · +54K sh | Q1 2026 | |
| 18 | DRW Securities, LLC | $413K | 104K | ▲New +104K sh | Q1 2026 | |
| 19 | AVIVA PLC | $377K | 95K | ▲+34% Added · +24K sh | Q1 2026 | |
| 20 | AlTi Global, Inc. | $376K | 95K | ▼−0.3% Reduced · −250 sh | Q1 2026 | |
| 21 | Jacobi Capital Management LLC | $366K | 93K | ▲+8.4% Added · +7K sh | Q1 2026 | |
| 22 | Aquatic Capital Management LLC | $293K | 74K | ▲7k× Added · +74K sh | Q1 2026 | |
| 23 | PARSONS CAPITAL MANAGEMENT INC/RI | $287K | 73K | ▼−3.4% Reduced · −3K sh | Q1 2026 | |
| 24 | D.A. DAVIDSON & CO. | $275K | 70K | —Held | Q1 2026 | |
| 25 | Allspring Global Investments Holdings, LLC | $262K | 66K | ▼−77% Reduced · −223K 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 |
|---|---|---|---|---|---|
| Jun 10, 2026 | HAWKINS WILLIAM A | Director | Grant (A) | 51K | $185K |
| Jun 10, 2026 | PUHY DOROTHY E | Director | Grant (A) | 51K | $185K |
| Jun 10, 2026 | Newton Todd | Director | Grant (A) | 51K | $185K |
| Jun 10, 2026 | BIERMAN JAMES L | Director | Grant (A) | 51K | $185K |
| Jun 10, 2026 | Olson Tiffany | Director | Grant (A) | 51K | $185K |
| Mar 13, 2026 | Maersk-Moller Kimberly | Chief Commercial Officer | Tax withholding (F) | 7K | $30K |
| Mar 13, 2026 | Hulse William Frank IV | General Counsel and CAO | Tax withholding (F) | 20K | $89K |
| Mar 10, 2026 | Hulse William Frank IV | General Counsel and CAO | Tax withholding (F) | 61K | $277K |
| Mar 10, 2026 | DOUG RICE | Chief Financial Officer | Tax withholding (F) | 96K | $434K |
| Mar 10, 2026 | DOUG RICE | Chief Financial Officer | Option exercise (M) | 243K | $1.1M |
| Mar 10, 2026 | Maersk-Moller Kimberly | Chief Commercial Officer | Tax withholding (F) | 21K | $96K |
| Mar 10, 2026 | Maersk-Moller Kimberly | Chief Commercial Officer | Option exercise (M) | 43K | $193K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 64 funds | $29.2B |
| BROADCOM INCAVGO | 64 funds | $16.8B |
| APPLE INCAAPL | 63 funds | $35.0B |
| ALPHABET INC-CL AGOOGL | 63 funds | $18.7B |
| UNITEDHEALTH GROUP INCUNH | 63 funds | $2.8B |
| STRYKER CORPSYK | 63 funds | $1.1B |
| AMAZON.COM INCAMZN | 62 funds | $21.7B |
| JPMORGAN CHASE & COJPM | 62 funds | $8.9B |
| ELI LILLY & COLLY | 62 funds | $8.3B |
| MICRON TECHNOLOGY INCMU | 62 funds | $6.9B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 62 funds | $6.7B |
| BANK OF AMERICA CORPBAC | 62 funds | $3.3B |
Ranked by how many of MDXG'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 MDXG. 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.