Among active 13F managers last quarter, 1 opened and none reduced or exited; the largest holder to move was StoneX Group Inc. (new position). Over the last 180 days, 1 insider bought and none sold, a net +$380K in open-market trades.
Funds lean in and no leg opposes.
2 tracked 13F filers disclose a position in MTEN as of the latest SEC 13F filings, a combined $44K 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 | Morgan Stanley | 23K | $28K | ▲New +23K sh | Q1 2026 | |
| 2 | StoneX Group Inc. | 11K | $16K | ▲New +11K 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, 1 fund opened a new position in MTEN, while none reduced or exited. 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 |
|---|---|---|
| Vanguard S&P 500 ETFVOO | 1 funds | $138.9M |
| Ishares Core S&P 500 ETFIVV | 1 funds | $118.1M |
| Ishares Russell 1000 Value EIWD | 1 funds | $88.4M |
| Schwab FNDMN Intl LRG Co ETFFNDF | 1 funds | $83.9M |
| JPMorgan Active Bond ETFJBND | 1 funds | $55.3M |
| Invesco QQQ Trust Series 1QQQ | 1 funds | $49.4M |
| Victoryshares Free Cash FlowVFLO | 1 funds | $48.7M |
| Nvidia CorpNVDA | 1 funds | $43.9M |
| Apple IncAAPL | 1 funds | $41.3M |
| Ishares Russell 1000 GrowthIWF | 1 funds | $40.5M |
| SS SPDR S&P 500 ETF Trust-USSPY | 1 funds | $38.6M |
| Vanguard Small-Cap ETFVB | 1 funds | $37.2M |
Ranked by how many of MTEN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MTEN.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Apr 13, 2026 | Xu Yingkai | Chief Executive Officer, Director | Buy (P) | 1.5M | $380K |
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 | 0 | 0 | – |
Insiders Form 4 open-market | 1 | 0 | +$380K |
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 MTEN
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/MTEN/capital-change-brief"
Use Arkolith's capital_change_brief for MTEN. 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 MTEN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.