Among active 13F managers last quarter, 1 added and 1 reduced; the largest holder to move was SBI Securities Co., Ltd. (+45%). No recent Form 4 insider filings for ZJK.
No leg leans either way.
10 tracked 13F filers disclose a position in ZJK as of the latest SEC 13F filings, a combined $235K 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 | Peak6 LLC | 60K | $117K | —Held | Q2 2026 | |
| 2 | Geode Capital Management, LLC | 41K | $82K | ▼−2.5% Reduced · −1K sh | Q2 2026 | |
| 3 | Howard Financial Services, LTD. | 13K | $24K | —Held | Q2 2026 | |
| 4 | SBI Securities Co., Ltd. | 3K | $6K | ▲+45% Added · +1K sh | Q2 2026 | |
| 5 | UBS Group AG | 1K | $2K | ▼−36% Reduced · −619 sh | Q1 2026 | |
| 6 | JPMorgan Chase & Co | 695 | $1K | ▲+16% Added · +95 sh | Q1 2026 | |
| 7 | Royal Bank Of Canada | 382 | $1K | —Held | Q1 2026 | |
| 8 | Morgan Stanley | 371 | $694 | ▼−25% Reduced · −125 sh | Q1 2026 | |
| 9 | BNP Paribas Financial Markets | 100 | $187 | —Held | Q1 2026 | |
| 10 | Tower Research Capital LLC (TRC) | 32 | $60 | ▼−99% Reduced · −4K 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 added to an existing position in ZJK, while 1 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 | 3 funds | $556.1M |
| Invesco QQQ Trust Series 1QQQ | 3 funds | $291.1M |
| Apple IncAAPL | 3 funds | $288.3M |
| Vanguard S&P 500 ETFVOO | 3 funds | $252.4M |
| Micron Technology IncMU | 3 funds | $222.9M |
| Tesla IncTSLA | 3 funds | $180.2M |
| Microsoft CorpMSFT | 3 funds | $177.2M |
| Alphabet Inc-CL AGOOGL | 3 funds | $164.6M |
| Amazon.com IncAMZN | 3 funds | $130.2M |
| Alphabet Inc-CL CGOOG | 3 funds | $98.6M |
| Broadcom IncAVGO | 3 funds | $86.4M |
| Vanguard Dividend Apprec ETFVIG | 3 funds | $82.5M |
Ranked by how many of ZJK's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ZJK.
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 | 2 | 4 | – |
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.
No filings captured for this ticker in the live stream yet.
Connected entities for ZJK
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/ZJK/capital-change-brief"
Use Arkolith's capital_change_brief for ZJK. 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 ZJK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.