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.
7 tracked 13F filers disclose a position in ATHR as of the latest SEC 13F filings, a combined $588K 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 | Axiom Investment Management LLC | 33K | $156K | —Held | Q2 2026 | |
| 2 | Vanguard Capital Management LLC | 32K | $153K | ▲+2.9% Added · +900 sh | Q2 2026 | |
| 3 | Geode Capital Management, LLC | 24K | $111K | ▼−13% Reduced · −3K sh | Q2 2026 | |
| 4 | BlackRock, Inc. | 17K | $79K | ▲+54% Added · +6K sh | Q2 2026 | |
| 5 | Vanguard Fiduciary Trust Co | 15K | $71K | —Held | Q2 2026 | |
| 6 | Tower Research Capital LLC (TRC) | 7K | $17K | ▲New +7K sh | Q1 2026 | |
| 7 | UBS Group AG | 526 | $1K | ▲+63% Added · +203 sh | 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, 1 fund opened a new position in ATHR, 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 |
|---|---|---|
| Invesco QQQ Trust Series 1QQQ | 2 funds | $141.6M |
| Apple IncAAPL | 2 funds | $120.3M |
| Micron Technology IncMU | 2 funds | $97.3M |
| Microsoft CorpMSFT | 2 funds | $96.8M |
| Nvidia CorpNVDA | 2 funds | $68.5M |
| Broadcom IncAVGO | 2 funds | $56.1M |
| Alphabet Inc-CL AGOOGL | 2 funds | $50.2M |
| SS SPDR S&P 500 ETF Trust-USSPY | 2 funds | $38.6M |
| Amazon.com IncAMZN | 2 funds | $32.8M |
| JPMorgan Chase & CoJPM | 2 funds | $30.8M |
| Meta Platforms Inc-Class AMETA | 2 funds | $28.2M |
| Alphabet Inc-CL CGOOG | 2 funds | $26.9M |
Ranked by how many of ATHR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ATHR.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
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 | 3 | 1 | – |
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 ATHR
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/ATHR/capital-change-brief"
Use Arkolith's capital_change_brief for ATHR. 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 ATHR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.