Among active 13F managers last quarter, 1 opened and 2 added, while none reduced or exited; the largest holder to move was Keystone Financial Group (+76%). Over the last 180 days, 3 insiders sold and 1 insider bought, a net -$367K in open-market trades.
The legs disagree, or only one of them leans.
13 tracked 13F filers disclose a position in AIMD as of the latest SEC 13F filings, a combined $255K 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 | Geode Capital Management, LLC | 44K | $86K | ▼−17% Reduced · −9K sh | Q2 2026 | |
| 2 | Mariner, LLC | 31K | $43K | ▲+35% Added · +8K sh | Q1 2026 | |
| 3 | Keystone Financial Group | 26K | $50K | ▲+76% Added · +11K sh | Q2 2026 | |
| 4 | Vanguard Capital Management LLC | 16K | $31K | ▲+73% Added · +7K sh | Q2 2026 | |
| 5 | Vanguard Fiduciary Trust Co | 14K | $27K | —Held | Q2 2026 | |
| 6 | Tower Research Capital LLC (TRC) | 4K | $6K | ▲+48% Added · +1K sh | Q1 2026 | |
| 7 | BlackRock, Inc. | 3K | $6K | —Held | Q2 2026 | |
| 8 | Seneschal Advisors, LLC | 2K | $3K | —Held | Q2 2026 | |
| 9 | Steward Partners Investment Advisory, LLC | 1K | $2K | —Held | Q2 2026 | |
| 10 | Citigroup Inc | 501 | $696 | ▼−38% Reduced · −313 sh | Q1 2026 | |
| 11 | Caitong International Asset Management Co., Ltd | 93 | $180 | ▲New +93 sh | Q2 2026 | |
| 12 | UBS Group AG | 2 | $3 | ▼−100% Reduced · −583 sh | Q1 2026 | |
| 13 | CWM, LLC | 1 | $1 | —Held | 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 AIMD and 2 added to an existing one, 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 | 4 funds | $237.2M |
| Tesla IncTSLA | 4 funds | $114.9M |
| Nvidia CorpNVDA | 4 funds | $106.1M |
| Advanced Micro DevicesAMD | 4 funds | $98.0M |
| Micron Technology IncMU | 4 funds | $97.6M |
| Seagate Technology HoldingsSTX | 4 funds | $78.1M |
| Alphabet Inc-CL AGOOGL | 4 funds | $73.1M |
| Amazon.com IncAMZN | 4 funds | $62.2M |
| JPMorgan Chase & CoJPM | 4 funds | $50.3M |
| Alphabet Inc-CL CGOOG | 4 funds | $47.6M |
| Intel CorpINTC | 4 funds | $45.6M |
| Corning IncGLW | 4 funds | $33.5M |
Ranked by how many of AIMD's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in AIMD.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 5, 2026 | chiang yao-chung | Director | Buy (P) | 4K | $7K |
| Jun 3, 2026 | chiang yao-chung | Director | Buy (P) | 2K | $4K |
| May 28, 2026 | chiang yao-chung | Director | Buy (P) | 250 | $575 |
| May 27, 2026 | chiang yao-chung | Director | Buy (P) | 2K | $4K |
| May 26, 2026 | lee ting-chuan | Director | Sell (S) | 110K | $209K |
| May 26, 2026 | Taiwan Carbon Nano Technology Corp | 10% Owner | Sell (S) | 41K | $97K |
| May 26, 2026 | Tsai Chun-Jung | Director | Sell (S) | 28K | $52K |
| May 22, 2026 | Tsai Chun-Jung | Director | Sell (S) | 1K | $2K |
| May 22, 2026 | lee ting-chuan | Director | Sell (S) | 9K | $15K |
| May 21, 2026 | lee ting-chuan | Director | Sell (S) | 9K | $14K |
| May 19, 2026 | chiang yao-chung | Director | Buy (P) | 2K | $4K |
| May 18, 2026 | chiang yao-chung | Director | Buy (P) | 500 | $825 |
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 | 4 | 3 | – |
Insiders Form 4 open-market | 1 | 3 | -$367K |
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.
| Class | 13F holders | Value held |
|---|---|---|
| AIMDthis pageCommon Stock | 13 funds | $255K |
| AIMDW*W EXP 07/29/202 | 4 funds | $55K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for AIMD
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/AIMD/capital-change-brief"
Use Arkolith's capital_change_brief for AIMD. 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 AIMD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.