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 MLAB 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/MLAB"
Use Arkolith to show who owns MLAB, 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. | $34.8M | 394K | ▼−1.2% Reduced · −5K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $25.3M | 322K | ▲+0.1% Added · +182 sh | Q4 2025 | |
| 3 | DIAMOND HILL CAPITAL MANAGEMENT INC | $13.7M | 155K | ▲+9.4% Added · +13K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $11.3M | 128K | ▲~0% Added · +52 sh | Q1 2026 | |
| 5 | STATE STREET CORP | $10.8M | 122K | ▲+1.2% Added · +1K sh | Q1 2026 | |
| 6 | CRAWFORD INVESTMENT COUNSEL INC | $8.4M | 96K | ▲+18% Added · +14K sh | Q1 2026 | |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | $4.6M | 53K | ▲New +53K sh | Q1 2026 | |
| 8 | WASATCH ADVISORS LP | $4.5M | 51K | ▲New +51K sh | Q1 2026 | |
| 9 | JACOBS LEVY EQUITY MANAGEMENT, INC | $3.9M | 44K | ▲+14% Added · +6K sh | Q1 2026 | |
| 10 | VANGUARD FIDUCIARY TRUST CO | $3.4M | 38K | ▲New +38K sh | Q1 2026 | |
| 11 | Trexquant Investment LP | $1.7M | 19K | ▼−60% Reduced · −27K sh | Q1 2026 | |
| 12 | SEGALL BRYANT & HAMILL, LLC | $1.6M | 18K | ▼−0.1% Reduced · −29 sh | Q1 2026 | |
| 13 | Point72 Asset Management, L.P. | $1.4M | 16K | ▲+21% Added · +3K sh | Q1 2026 | |
| 14 | RICE HALL JAMES & ASSOCIATES, LLC | $1.3M | 14K | ▲~0% Added · +5 sh | Q1 2026 | |
| 15 | CenterBook Partners LP | $1.3M | 14K | ▲New +14K sh | Q1 2026 | |
| 16 | PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO | $1.2M | 14K | —Held | Q1 2026 | |
| 17 | IEQ CAPITAL, LLC | $854K | 10K | ▲New +10K sh | Q1 2026 | |
| 18 | Connor, Clark & Lunn Investment Management Ltd. | $841K | 10K | ▼−34% Reduced · −5K sh | Q1 2026 | |
| 19 | Quadrature Capital Ltd | $769K | 9K | ▼−36% Reduced · −5K sh | Q1 2026 | |
| 20 | CITADEL ADVISORS LLC | $745K | 8K | ▼−86% Reduced · −50K sh | Q1 2026 | |
| 21 | Vident Advisory, LLC | $673K | 8K | ▲New +8K sh | Q1 2026 | |
| 22 | TUDOR INVESTMENT CORP ET AL | $608K | 7K | ▼−75% Reduced · −21K sh | Q1 2026 | |
| 23 | FMR LLC | $572K | 6K | ▲+665% Added · +6K sh | Q1 2026 | |
| 24 | Y-Intercept (Hong Kong) Ltd | $558K | 6K | ▲New +6K sh | Q1 2026 | |
| 25 | CWM, LLC | $514K | 6K | ▲+291% Added · +4K 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 15, 2026 | Sakys John | CFO | Grant (A) | 8K | $0 |
| Jun 15, 2026 | Sakys John | CFO | Expiration (E) | 4K | $0 |
| Jun 15, 2026 | Sakys John | CFO | Option exercise (M) | 3K | $283K |
| Jun 15, 2026 | Sakys John | CFO | Option exercise (M) | 3K | $0 |
| Jun 15, 2026 | Archbold Brian David | SVP Operations | Option exercise (M) | 2K | $0 |
| Jun 15, 2026 | Archbold Brian David | SVP Operations | Grant (A) | 4K | $0 |
| Jun 15, 2026 | Archbold Brian David | SVP Operations | Expiration (E) | 2K | $0 |
| Jun 15, 2026 | Archbold Brian David | SVP Operations | Option exercise (M) | 2K | $255K |
| Mar 10, 2026 | Capone Mark Christopher | Director | Buy (P) | 1K | $99K |
| Mar 10, 2026 | Ladiwala Shiraz Shabanali | Director | Buy (P) | 4K | $253K |
| Mar 10, 2026 | Tripeny R Tony | Director | Buy (P) | 1K | $100K |
| Dec 2, 2025 | Sullivan John James | Director | Gift (G) | 2K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 45 funds | $18.3B |
| CHEVRON CORPCVX | 44 funds | $3.2B |
| NVIDIA CORPNVDA | 43 funds | $26.9B |
| APPLE INCAAPL | 43 funds | $22.1B |
| AMAZON.COM INCAMZN | 43 funds | $14.4B |
| JPMORGAN CHASE & COJPM | 43 funds | $6.3B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 43 funds | $5.4B |
| VISA INC-CLASS A SHARESV | 43 funds | $4.0B |
| TJX COMPANIES INCTJX | 43 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 42 funds | $11.6B |
| META PLATFORMS INC-CLASS AMETA | 42 funds | $8.7B |
| ELI LILLY & COLLY | 42 funds | $4.9B |
Ranked by how many of MLAB'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 MLAB. 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.