Among active 13F managers last quarter, 11 opened and 9 added, while 16 reduced; the largest holder to move was FourWorld Capital Management LLC (−3.4%). No open-market insider trades in the last 180 days.
No leg leans either way.
70 tracked 13F filers disclose a position in MX as of the latest SEC 13F filings, a combined $49.0M 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 | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FourWorld Capital Management LLC | 1.6M | $7.6M | ▼−3.4% Reduced · −57K sh | Q2 2026 | |
| 2 | Ameriprise Financial Inc | 1.6M | $4.4M | ▲+9.1% Added · +133K sh | Q1 2026 | |
| 3 | Oaktree Capital Management LP | 1.5M | $7.1M | ▼−47% Reduced · −1.3M sh | Q2 2026 | |
| 4 | Marshall Wace, LLP | 1.2M | $3.5M | ▼−3.2% Reduced · −41K sh | Q1 2026 | |
| 5 | Clearline Capital LP | 1.1M | $3.1M | ▼−24% Reduced · −346K sh | Q1 2026 | |
| 6 | Morgan Stanley | 710K | $2.0M | ▼−1.4% Reduced · −10K sh | Q1 2026 | |
| 7 | Two Sigma Investments, LP | 572K | $1.6M | ▲+83% Added · +259K sh | Q1 2026 | |
| 8 | Dimensional Fund Advisors LP | 549K | $1.5M | ▼−34% Reduced · −279K sh | Q1 2026 | |
| 9 | Connor, Clark & Lunn Investment Management Ltd. | 413K | $2.0M | ▲+327% Added · +316K sh | Q2 2026 | |
| 10 | BNP Paribas Financial Markets | 329K | $922K | ▲+0.5% Added · +2K sh | Q1 2026 | |
| 11 | Millennium Management LLC | 293K | $820K | ▲+1.4% Added · +4K sh | Q1 2026 | |
| 12 | Trexquant Investment LP | 286K | $1.4M | ▲New +286K sh | Q2 2026 | |
| 13 | Vanguard Portfolio Management LLC | 240K | $1.1M | —Held | Q2 2026 | |
| 14 | Oddo BHF Asset Management Sas | 215K | $1.0M | —Held | Q2 2026 | |
| 15 | Goldman Sachs Group Inc | 201K | $562K | ▼−52% Reduced · −220K sh | Q1 2026 | |
| 16 | Boothbay Fund Management, LLC | 200K | $946K | ▼−3.4% Reduced · −7K sh | Q2 2026 | |
| 17 | UBS Group AG | 183K | $514K | ▲+2.1% Added · +4K sh | Q1 2026 | |
| 18 | Caption Management, LLC | 160K | $757K | ▲New +160K sh | Q2 2026 | |
| 19 | D. E. Shaw & Co., Inc. | 160K | $447K | ▲+16% Added · +22K sh | Q1 2026 | |
| 20 | Steward Partners Investment Advisory, LLC | 153K | $725K | ▼−22% Reduced · −44K sh | Q2 2026 | |
| 21 | Bluefin Capital Management, LLC | 148K | $699K | ▲New +148K sh | Q2 2026 | |
| 22 | JPMorgan Chase & Co | 126K | $341K | ▼−1.5% Reduced · −2K sh | Q1 2026 | |
| 23 | Group One Trading LLC | 118K | $557K | ▲+398% Added · +94K sh | Q2 2026 | |
| 24 | Gabelli Funds LLC | 117K | $327K | ▼−17% Reduced · −24K sh | Q1 2026 | |
| 25 | Citadel Advisors LLC | 111K | $525K | ▲+26% Added · +23K sh | Q2 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, 11 funds opened a new position in MX and 9 added to an existing one, while 16 reduced. 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 | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 32 funds | $28.6B |
| Amazon.com IncAMZN | 31 funds | $16.0B |
| Alphabet Inc-CL AGOOGL | 30 funds | $13.5B |
| Meta Platforms Inc-Class AMETA | 30 funds | $8.6B |
| Micron Technology IncMU | 30 funds | $7.3B |
| Microsoft CorpMSFT | 29 funds | $16.7B |
| Broadcom IncAVGO | 29 funds | $10.4B |
| Tesla IncTSLA | 29 funds | $9.1B |
| Taiwan Semiconductor-SP ADRTSM | 29 funds | $6.9B |
| Eli Lilly & CoLLY | 29 funds | $5.6B |
| Costco Wholesale CorpCOST | 29 funds | $5.1B |
| Advanced Micro DevicesAMD | 29 funds | $5.0B |
Ranked by how many of MX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MX.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 16, 2026 | Nathan Gilbert E | Director | Buy (P) | 22K | $63K |
| Mar 13, 2026 | Nathan Gilbert E | Director | Buy (P) | 13K | $36K |
| Mar 12, 2026 | Nathan Gilbert E | Director | Buy (P) | 25K | $69K |
| Aug 25, 2025 | Park Shin Young | See Remarks | Buy (P) | 10K | $29K |
| Aug 22, 2025 | Martino Camillo | See Remarks, Director | Buy (P) | 30K | $85K |
| Mar 14, 2025 | Lee Ilbok | Director | Buy (P) | 20K | $77K |
| Mar 13, 2025 | Nathan Gilbert E | Director | Buy (P) | 20K | $74K |
| Mar 13, 2025 | Martino Camillo | Director | Buy (P) | 20K | $73K |
| Mar 12, 2024 | Kim Theodore S | See Remarks | Buy (P) | 2K | $11K |
| Mar 12, 2024 | Park Shin Young | See Remarks | Buy (P) | 9K | $50K |
| Mar 11, 2024 | Kim Theodore S | See Remarks | Buy (P) | 5K | $28K |
| Mar 8, 2024 | Kim Young-Joon | See Remarks, Director | Buy (P) | 18K | $100K |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 16 | 25 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for MX
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/MX/capital-change-brief"
Use Arkolith's capital_change_brief for MX. 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 MX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.