Among active 13F managers last quarter, 2 opened and 1 reduced; the largest holder to move was Citadel Advisors LLC (new position). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
12 tracked 13F filers disclose a position in ACFN as of the latest SEC 13F filings, a combined $1.8M 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 | Vanguard Capital Management LLC | 38K | $647K | ▲+0.9% Added · +340 sh | Q2 2026 | |
| 2 | Geode Capital Management, LLC | 18K | $310K | ▲+1.4% Added · +259 sh | Q2 2026 | |
| 3 | Citadel Advisors LLC | 16K | $278K | ▲New +16K sh | Q2 2026 | |
| 4 | Bridgeway Capital Management, LLC | 13K | $213K | ▲New +13K sh | Q2 2026 | |
| 5 | Vanguard Fiduciary Trust Co | 8K | $144K | ▲+0.7% Added · +60 sh | Q2 2026 | |
| 6 | BlackRock, Inc. | 5K | $92K | ▲New +5K sh | Q2 2026 | |
| 7 | Osaic Holdings, Inc. | 2K | $32K | ▲+46% Added · +600 sh | Q1 2026 | |
| 8 | Access Investment Management LLC | 1K | $20K | —Held | Q2 2026 | |
| 9 | UBS Group AG | 693 | $12K | ▲New +693 sh | Q1 2026 | |
| 10 | National Bank Of Canada | 245 | $4K | —Held | Q1 2026 | |
| 11 | Tower Research Capital LLC (TRC) | 170 | $3K | ▼−52% Reduced · −184 sh | Q1 2026 | |
| 12 | Federation des caisses Desjardins du Quebec | 25 | $426 | —Held | 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, 2 funds opened a new position in ACFN, 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 |
|---|---|---|
| Amazon.com IncAMZN | 4 funds | $2.7B |
| Nvidia CorpNVDA | 4 funds | $2.5B |
| Apple IncAAPL | 4 funds | $2.3B |
| Microsoft CorpMSFT | 4 funds | $1.5B |
| Alphabet Inc-CL AGOOGL | 4 funds | $1.2B |
| Abbvie IncABBV | 4 funds | $831.8M |
| JPMorgan Chase & CoJPM | 4 funds | $807.2M |
| Mastercard Inc - AMA | 4 funds | $797.5M |
| Meta Platforms Inc-Class AMETA | 4 funds | $689.7M |
| Coca-Cola CoKO | 4 funds | $673.3M |
| Wells Fargo & CoWFC | 4 funds | $591.1M |
| Home Depot IncHD | 4 funds | $575.9M |
Ranked by how many of ACFN's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ACFN.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 9, 2023 | Clifford Tracy Simmons | CFO | Buy (P) | 3K | $976 |
| Jun 9, 2023 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 20K | $6K |
| Jun 2, 2023 | Clifford Tracy Simmons | CFO | Buy (P) | 4K | $1K |
| Jun 1, 2023 | Clifford Tracy Simmons | CFO | Buy (P) | 563 | $158 |
| May 15, 2023 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 46K | $13K |
| Mar 22, 2023 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 125K | $38K |
| Dec 28, 2022 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 22K | $7K |
| Dec 27, 2022 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 14K | $4K |
| Dec 1, 2022 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 20K | $7K |
| Sep 21, 2022 | Loeb Jan H | President and CEO, Director, 10% Owner | Buy (P) | 17K | $7K |
| Sep 21, 2022 | Clifford Tracy Simmons | CFO | Buy (P) | 2K | $900 |
| Sep 12, 2022 | Clifford Tracy Simmons | CFO | Buy (P) | 8K | $4K |
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 | 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.
| Class | 13F holders | Value held |
|---|---|---|
| ACFNthis pageCOM NEW | 12 funds | $1.8M |
| 004848107COMMON STOCK | 1 funds | $0 |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
Connected entities for ACFN
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/ACFN/capital-change-brief"
Use Arkolith's capital_change_brief for ACFN. 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 ACFN. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.