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 MXCT 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/MXCT"
Use Arkolith to show who owns MXCT, 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 | $8.6M | 5.5M | ▼−0.9% Reduced · −49K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $6.2M | 8.8M | ▼−4.8% Reduced · −444K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $2.8M | 4.0M | ▲New +4.0M sh | Q1 2026 | |
| 4 | MORGAN STANLEY | $2.6M | 3.7M | ▼−17% Reduced · −746K sh | Q1 2026 | |
| 5 | BNP Paribas Asset Management Holding S.A. | $1.9M | 2.8M | —Held | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $1.7M | 2.4M | ▼−6.2% Reduced · −156K sh | Q1 2026 | |
| 7 | STATE STREET CORP | $1.5M | 2.2M | ▼−7.0% Reduced · −165K sh | Q1 2026 | |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $1.4M | 2.0M | ▲+153% Added · +1.2M sh | Q1 2026 | |
| 9 | AQR CAPITAL MANAGEMENT LLC | $858K | 1.2M | ▲13× Added · +1.1M sh | Q1 2026 | |
| 10 | GOLDMAN SACHS GROUP INC | $814K | 1.2M | ▲+145% Added · +686K sh | Q1 2026 | |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | $625K | 889K | ▲New +889K sh | Q1 2026 | |
| 12 | Willis Investment Counsel | $606K | 863K | —Held | Q1 2026 | |
| 13 | NORTHERN TRUST CORP | $562K | 800K | ▲+7.2% Added · +54K sh | Q1 2026 | |
| 14 | JACOBS LEVY EQUITY MANAGEMENT, INC | $545K | 776K | ▼−25% Reduced · −252K sh | Q1 2026 | |
| 15 | VANGUARD FIDUCIARY TRUST CO | $452K | 643K | ▲New +643K sh | Q1 2026 | |
| 16 | TWO SIGMA INVESTMENTS, LP | $427K | 608K | ▲+592% Added · +520K sh | Q1 2026 | |
| 17 | DIMENSIONAL FUND ADVISORS LP | $353K | 503K | ▼−48% Reduced · −464K sh | Q1 2026 | |
| 18 | Bank of New York Mellon Corp | $284K | 404K | ▲+18% Added · +62K sh | Q1 2026 | |
| 19 | FRED ALGER MANAGEMENT, LLC | $272K | 387K | ▼−0.8% Reduced · −3K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $234K | 333K | ▼−78% Reduced · −1.2M sh | Q1 2026 | |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $231K | 329K | ▼−11% Reduced · −41K sh | Q1 2026 | |
| 22 | UBS Group AG | $191K | 271K | ▲+118% Added · +146K sh | Q1 2026 | |
| 23 | VOYA INVESTMENT MANAGEMENT LLC | $180K | 256K | ▲12× Added · +234K sh | Q1 2026 | |
| 24 | HSBC HOLDINGS PLC | $172K | 250K | ▼−15% Reduced · −45K sh | Q1 2026 | |
| 25 | Rathbones Group PLC | $157K | 223K | ▼−1.5% Reduced · −3K 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 27, 2026 | Masoud Maher | President and CEO, Director | Grant (A) | 300K | $0 |
| Mar 27, 2026 | Masoud Maher | President and CEO, Director | Grant (A) | 600K | $0 |
| Mar 17, 2026 | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | Sell (S) | 10K | $8K |
| Aug 13, 2025 | Masoud Maher | President and CEO, Director | Buy (P) | 75K | $103K |
| Aug 13, 2025 | DOUGLAS RICHARD | Director | Buy (P) | 80K | $111K |
| Aug 13, 2025 | Brooke William W | Director | Buy (P) | 50K | $65K |
| Aug 13, 2025 | Swirsky Douglas J | CHIEF FINANCIAL OFFICER | Buy (P) | 50K | $65K |
| Aug 13, 2025 | Erck Stanley C | Director | Buy (P) | 100K | $137K |
| Jun 25, 2025 | Hemrajani Rekha | Director | Sell (S) | 11K | $22K |
| Jun 18, 2025 | DOUGLAS RICHARD | Director | Grant (A) | 51K | $0 |
| Jun 18, 2025 | Erck Stanley C | Director | Grant (A) | 29K | $0 |
| Jun 18, 2025 | Erck Stanley C | Director | Grant (A) | 51K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 33 funds | $13.7B |
| AMAZON.COM INCAMZN | 33 funds | $11.5B |
| ALPHABET INC-CL CGOOG | 33 funds | $7.7B |
| ELI LILLY & COLLY | 33 funds | $3.7B |
| COSTCO WHOLESALE CORPCOST | 33 funds | $2.9B |
| EXXON MOBIL CORPXOM | 33 funds | $2.8B |
| MASTERCARD INC - AMA | 33 funds | $2.7B |
| CHEVRON CORPCVX | 33 funds | $2.3B |
| ARISTA NETWORKS INCANET | 33 funds | $1.8B |
| NETFLIX INCNFLX | 33 funds | $1.7B |
| PALANTIR TECHNOLOGIES INC-APLTR | 33 funds | $1.6B |
| LAM RESEARCH CORPLRCX | 33 funds | $1.6B |
Ranked by how many of MXCT'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 MXCT. 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.