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 MPTI 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/MPTI"
Use Arkolith to show who owns MPTI, 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. | $9.5M | 142K | ▲+4.7% Added · +6K sh | Q1 2026 | |
| 2 | VANGUARD GROUP INC | $7.6M | 144K | ▲+13% Added · +17K sh | Q4 2025 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $4.3M | 64K | ▲+12% Added · +7K sh | Q1 2026 | |
| 4 | STATE STREET CORP | $3.0M | 44K | ▲+24% Added · +9K sh | Q1 2026 | |
| 5 | CITADEL ADVISORS LLC | $1.5M | 23K | ▲+81% Added · +10K sh | Q1 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $1.4M | 22K | ▲New +22K sh | Q1 2026 | |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.3M | 20K | ▲New +20K sh | Q1 2026 | |
| 8 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $464K | 7K | —Held | Q1 2026 | |
| 9 | Marex Group plc | $397K | 6K | ▲New +6K sh | Q1 2026 | |
| 10 | LOS ANGELES CAPITAL MANAGEMENT LLC | $343K | 5K | ▲+219% Added · +4K sh | Q1 2026 | |
| 11 | UMB Bank, n.a. | $143K | 2K | —Held | Q1 2026 | |
| 12 | MetLife Investment Management, LLC | $106K | 2K | ▲New +2K sh | Q1 2026 | |
| 13 | Police & Firemen's Retirement System of New Jersey | $46K | 687 | —Held | Q1 2026 | |
| 14 | Sound Income Strategies, LLC | $18K | 250 | ▲New +250 sh | Q1 2026 | |
| 15 | Ameritas Investment Partners, Inc. | $17K | 251 | —Held | Q1 2026 | |
| 16 | IFP Advisors, Inc | $16K | 235 | ▲+6.3% Added · +14 sh | Q1 2026 | |
| 17 | CWM, LLC | $14K | 211 | ▲+1.4% Added · +3 sh | Q1 2026 | |
| 18 | MCF Advisors LLC | $9K | 140 | —Held | Q1 2026 | |
| 19 | FMR LLC | $6K | 91 | ▲+18% Added · +14 sh | Q1 2026 | |
| 20 | GAMMA Investing LLC | $4K | 67 | ▲+91% Added · +32 sh | Q1 2026 | |
| 21 | SBI Securities Co., Ltd. | $1K | 18 | ▼−5.3% Reduced · −1 sh | Q1 2026 | |
| 22 | Sterling Capital Management LLC | $1K | 16 | —Held | 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 | Mega John S | Director | Grant (A) | 242 | $0 |
| Mar 19, 2026 | GABELLI MARC | Director | Grant (A) | 242 | $0 |
| Mar 19, 2026 | Susanto Hendi | Director | Grant (A) | 242 | $0 |
| Mar 19, 2026 | LaPenta Robert V Jr | Director | Grant (A) | 242 | $0 |
| Mar 19, 2026 | LAZAR BEL | Director | Grant (A) | 242 | $0 |
| Mar 19, 2026 | Arteaga Ivan | Director | Grant (A) | 242 | $0 |
| Mar 19, 2026 | Goldman David M | Director | Grant (A) | 242 | $0 |
| Jan 6, 2026 | Arteaga Ivan | Director | Option exercise (X) | 35 | $2K |
| Jan 6, 2026 | Arteaga Ivan | Director | Option exercise (X) | 360 | $0 |
| Dec 23, 2025 | Goldman David M | Director | Option exercise (X) | 2K | $0 |
| Dec 23, 2025 | Goldman David M | Director | Option exercise (X) | 325 | $15K |
| Dec 23, 2025 | Susanto Hendi | Director | Option exercise (X) | 892 | $42K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 17 funds | $9.7B |
| APPLE INCAAPL | 17 funds | $6.8B |
| MICROSOFT CORPMSFT | 17 funds | $5.0B |
| AMAZON.COM INCAMZN | 17 funds | $4.2B |
| BROADCOM INCAVGO | 17 funds | $3.6B |
| ALPHABET INC-CL AGOOGL | 17 funds | $3.1B |
| META PLATFORMS INC-CLASS AMETA | 17 funds | $2.5B |
| ALPHABET INC-CL CGOOG | 17 funds | $2.4B |
| TESLA INCTSLA | 17 funds | $2.1B |
| JPMORGAN CHASE & COJPM | 17 funds | $1.8B |
| ELI LILLY & COLLY | 17 funds | $1.5B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 17 funds | $1.4B |
Ranked by how many of MPTI'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 MPTI. 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.