Among active 13F managers last quarter, 1 opened and none reduced or exited; the largest holder to move was Tower Research Capital LLC (TRC) (new position). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
6 tracked 13F filers disclose a position in ATCX as of the latest SEC 13F filings, a combined $286K 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 | Jane Street Group, LLC | 22K | $124K | ▲New +22K sh | Q1 2026 | |
| 2 | UBS Group AG | 21K | $117K | ▲New +21K sh | Q1 2026 | |
| 3 | Crane Advisory, LLC | 11K | $33K | —Held | Q2 2026 | |
| 4 | Morgan Stanley | 2K | $10K | ▲New +2K sh | Q1 2026 | |
| 5 | Tower Research Capital LLC (TRC) | 290 | $2K | ▲New +290 sh | Q1 2026 | |
| 6 | Allied Private Wealth LLC | 120 | $422 | ▲New +120 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 ATCX, 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 |
|---|---|---|
| Apple IncAAPL | 2 funds | $126.5M |
| Vanguard S&P 500 ETFVOO | 2 funds | $118.7M |
| Microsoft CorpMSFT | 2 funds | $95.2M |
| Micron Technology IncMU | 2 funds | $91.1M |
| Nvidia CorpNVDA | 2 funds | $67.6M |
| Vanguard Value ETFVTV | 2 funds | $64.2M |
| Alphabet Inc-CL AGOOGL | 2 funds | $50.4M |
| Vanguard Dividend Apprec ETFVIG | 2 funds | $43.8M |
| SS SPDR S&P 500 ETF Trust-USSPY | 2 funds | $35.7M |
| Amazon.com IncAMZN | 2 funds | $32.8M |
| Alphabet Inc-CL CGOOG | 2 funds | $32.4M |
| JPMorgan Chase & CoJPM | 2 funds | $29.9M |
Ranked by how many of ATCX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ATCX.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 8, 2022 | Jain Priya | Chief Growth Officer | Buy (P) | 3K | $24K |
| May 20, 2022 | Burns Kenneth Jerome JR | Chief Operating Officer | Buy (P) | 7K | $60K |
| May 18, 2022 | Powell Walter George | Chief Accounting Officer | Buy (P) | 2K | $17K |
| May 18, 2022 | Parnell Jonathan M. | Chief Strategy Officer | Buy (P) | 2K | $20K |
| May 17, 2022 | Boyer Lonnie Joe | Chief Executive Officer, Director | Buy (P) | 7K | $60K |
| May 17, 2022 | Powell Walter George | Chief Accounting Officer | Buy (P) | 6K | $52K |
| May 17, 2022 | Quinn David D. Sr. | Chief Financial Officer | Buy (P) | 6K | $50K |
| Mar 18, 2022 | Burns Kenneth Jerome JR | Chief Operating Officer | Buy (P) | 18K | $0 |
| Mar 18, 2022 | Boyer Lonnie Joe | Chief Executive Officer, Director | Buy (P) | 44K | $0 |
| Mar 18, 2022 | Jain Priya | Chief Growth Officer | Buy (P) | 9K | $0 |
| Mar 18, 2022 | Mollere John Alex | Chief Administrative Officer | Buy (P) | 9K | $0 |
| Mar 18, 2022 | Parnell Jonathan M. | Chief Strategy Officer | Buy (P) | 14K | $0 |
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 | 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 ATCX
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/ATCX/capital-change-brief"
Use Arkolith's capital_change_brief for ATCX. 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 ATCX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.