82 tracked 13F filers disclose a position in MPTI as of the latest SEC 13F filings, a combined $111.8M in reported value. 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.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GAMCO INVESTORS, INC. ET AL | $11.3M | 168K | ▼−3.4% Reduced · −6K sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $9.5M | 142K | ▲+4.7% Added · +6K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $7.8M | 117K | →First observed position No prior filed position | Q1 2026 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $6.5M | 97K | ▲+60% Added · +36K sh | Q1 2026 | |
| 5 | Palisades Investment Partners, LLC | $8.2M | 82K | ▲+1.6% Added · +1K sh | Q2 2026 | |
| 6 | Archon Capital Management LLC | $5.2M | 78K | ▼−34% Reduced · −40K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $4.3M | 64K | ▲+12% Added · +7K sh | Q1 2026 | |
| 8 | TWO SIGMA INVESTMENTS, LP | $4.2M | 62K | ▲+190% Added · +41K sh | Q1 2026 | |
| 9 | HERALD INVESTMENT MANAGEMENT Ltd | $5.8M | 59K | ▲+6.4% Added · +4K sh | Q2 2026 | |
| 10 | MARSHALL WACE, LLP | $3.4M | 52K | ▲+231% Added · +36K sh | Q1 2026 | |
| 11 | Grandeur Peak Global Advisors, LLC | $3.4M | 51K | ▲+15% Added · +7K sh | Q1 2026 | |
| 12 | DIMENSIONAL FUND ADVISORS LP | $3.0M | 45K | ▲+6.0% Added · +3K sh | Q1 2026 | |
| 13 | STATE STREET CORP | $3.0M | 44K | ▲+24% Added · +9K sh | Q1 2026 | |
| 14 | Cable Car Capital, LP | $2.7M | 40K | ▲New +40K sh | Q1 2026 | |
| 15 | Potrero Capital Research LLC | $2.1M | 32K | ▲New +32K sh | Q1 2026 | |
| 16 | NEW YORK STATE COMMON RETIREMENT FUND | $2.1M | 32K | —Held | Q1 2026 | |
| 17 | NORTHERN TRUST CORP | $1.9M | 28K | ▲+11% Added · +3K sh | Q1 2026 | |
| 18 | Illumine Investment Management, LLC | $1.6M | 24K | ▼−2.2% Reduced · −535 sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $1.5M | 23K | ▲+81% Added · +10K sh | Q1 2026 | |
| 20 | BNP PARIBAS FINANCIAL MARKETS | $1.5M | 22K | ▼−1.3% Reduced · −296 sh | Q1 2026 | |
| 21 | ExodusPoint Capital Management, LP | $1.5M | 22K | ▲New +22K sh | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $1.4M | 22K | →First observed position No prior filed position | Q1 2026 | |
| 23 | UBS Group AG | $1.4M | 21K | ▲+120% Added · +12K sh | Q1 2026 | |
| 24 | AMERIPRISE FINANCIAL INC | $1.3M | 20K | ▼−1.2% Reduced · −245 sh | Q1 2026 | |
| 25 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.3M | 20K | →First observed position No prior filed position | 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.
Last quarter, 12 funds opened a new position in MPTI and 13 added to an existing one, while 7 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 32 funds | $40.3B |
| ALPHABET INC-CL AGOOGL | 32 funds | $25.6B |
| ADVANCED MICRO DEVICESAMD | 32 funds | $4.9B |
| AMAZON.COM INCAMZN | 31 funds | $31.1B |
| NVIDIA CORPNVDA | 30 funds | $66.9B |
| APPLE INCAAPL | 30 funds | $48.7B |
| ALPHABET INC-CL CGOOG | 30 funds | $21.1B |
| META PLATFORMS INC-CLASS AMETA | 30 funds | $17.8B |
| ELI LILLY & COLLY | 30 funds | $11.4B |
| JPMORGAN CHASE & COJPM | 30 funds | $10.9B |
| COSTCO WHOLESALE CORPCOST | 30 funds | $9.6B |
| INTEL CORPINTC | 30 funds | $4.1B |
Ranked by how many of MPTI's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 4, 2026 | Drafts William Arnold | President | Sell (S) | 361 | $24K |
| May 4, 2026 | Pforr Cameron | CEO and CFO | Sell (S) | 840 | $56K |
| May 4, 2026 | Biles Linda M | Executive VP - Finance | Sell (S) | 306 | $20K |
| Jun 27, 2025 | Drafts William Arnold | President | Buy (P) | 1K | $41K |
| Nov 14, 2024 | GABELLI MARIO J | 10% Owner | Sell (S) | 8K | $451K |
| Nov 13, 2024 | GABELLI MARIO J | 10% Owner | Sell (S) | 2K | $79K |
| Oct 14, 2024 | Arteaga Ivan | Director | Sell (S) | 2K | $81K |
| Oct 11, 2024 | Arteaga Ivan | Director | Sell (S) | 400 | $20K |
| Sep 30, 2024 | GABELLI MARIO J | 10% Owner | Sell (S) | 171 | $7K |
| Sep 9, 2024 | GABELLI MARIO J | 10% Owner | Sell (S) | 800 | $27K |
| Jun 25, 2024 | GABELLI MARIO J | 10% Owner | Sell (S) | 200 | $7K |
| Jun 24, 2024 | GABELLI MARIO J | 10% Owner | Sell (S) | 700 | $22K |
| Class | 13F holders | Value held |
|---|---|---|
| MPTIthis pagecs | 82 funds | $111.8M |
| 55380K133rt | 33 funds | $2.2M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for MPTI
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MPTI/capital-change-brief"
Use Arkolith's capital_change_brief for MPTI. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
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.