Among active 13F managers last quarter, 12 opened and 17 added, while 12 reduced; the largest holder to move was AQR Capital Management LLC (+262%). Over the last 180 days, 2 insiders bought and 1 insider sold, a net +$350K in open-market trades.
Funds lean in and no leg opposes.
97 tracked 13F filers disclose a position in ARQ as of the latest SEC 13F filings, a combined $29.0M 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 | 1.5M | $3.7M | ▲+2.3% Added · +33K sh | Q2 2026 | |
| 2 | AQR Capital Management LLC | 1.1M | $2.8M | ▲+262% Added · +786K sh | Q1 2026 | |
| 3 | Marshall Wace, LLP | 810K | $2.1M | ▲+82% Added · +365K sh | Q1 2026 | |
| 4 | Peapod Lane Capital LLC | 788K | $2.0M | ▲+1.6% Added · +13K sh | Q2 2026 | |
| 5 | Dimensional Fund Advisors LP | 762K | $2.0M | ▼−17% Reduced · −157K sh | Q1 2026 | |
| 6 | BlackRock, Inc. | 509K | $1.3M | ▼−76% Reduced · −1.6M sh | Q2 2026 | |
| 7 | Truffle Hound Capital, LLC | 420K | $1.1M | ▲New +420K sh | Q2 2026 | |
| 8 | Renaissance Technologies LLC | 411K | $1.1M | ▼−0.4% Reduced · −2K sh | Q1 2026 | |
| 9 | Geode Capital Management, LLC | 400K | $1.0M | ▼−50% Reduced · −402K sh | Q2 2026 | |
| 10 | Round Rock Advisors LLC | 379K | $966K | ▲+99% Added · +188K sh | Q2 2026 | |
| 11 | Jacobs Levy Equity Management, Inc | 329K | $839K | ▼−6.3% Reduced · −22K sh | Q2 2026 | |
| 12 | D. E. Shaw & Co., Inc. | 282K | $721K | ▲+462% Added · +232K sh | Q1 2026 | |
| 13 | Marex Group Ltd | 261K | $665K | ▲+335% Added · +201K sh | Q2 2026 | |
| 14 | Northern Trust Corp | 228K | $585K | ▲+14% Added · +28K sh | Q1 2026 | |
| 15 | Vanguard Fiduciary Trust Co | 211K | $538K | ▲+3.7% Added · +8K sh | Q2 2026 | |
| 16 | Bank Of America Corp | 204K | $522K | ▲+156% Added · +124K sh | Q1 2026 | |
| 17 | Jane Street Group, LLC | 190K | $486K | ▲+156% Added · +116K sh | Q1 2026 | |
| 18 | Connor, Clark & Lunn Investment Management Ltd. | 182K | $464K | ▲New +182K sh | Q2 2026 | |
| 19 | Citadel Advisors LLC | 163K | $416K | ▲Added Added · +163K sh | Q2 2026 | |
| 20 | Rangeley Capital, LLC | 157K | $400K | ▲New +157K sh | Q2 2026 | |
| 21 | State Street Corp | 154K | $393K | ▼−73% Reduced · −411K sh | Q2 2026 | |
| 22 | Goldman Sachs Group Inc | 141K | $361K | ▲+8.8% Added · +11K sh | Q1 2026 | |
| 23 | Susquehanna International Group, LLP | 133K | $341K | ▲+130% Added · +75K sh | Q1 2026 | |
| 24 | Morgan Stanley | 116K | $297K | ▼−68% Reduced · −247K sh | Q1 2026 | |
| 25 | Marquette Asset Management, LLC | 107K | $272K | ▲New +107K 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, 12 funds opened a new position in ARQ and 17 added to an existing one, while 12 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 | 42 funds | $100.7B |
| Microsoft CorpMSFT | 42 funds | $70.0B |
| Alphabet Inc-CL AGOOGL | 42 funds | $40.1B |
| JPMorgan Chase & CoJPM | 41 funds | $17.5B |
| Costco Wholesale CorpCOST | 41 funds | $13.9B |
| Berkshire Hathaway Inc-CL BBRK/B | 41 funds | $10.0B |
| Lam Research CorpLRCX | 41 funds | $9.9B |
| Bank Of America CorpBAC | 41 funds | $9.8B |
| Applied Materials IncAMAT | 41 funds | $9.5B |
| Advanced Micro DevicesAMD | 41 funds | $8.8B |
| Texas Instruments IncTXN | 41 funds | $6.4B |
| Apple IncAAPL | 40 funds | $73.6B |
Ranked by how many of ARQ's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ARQ.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Sep 8, 2026 | Steinmetz Shimon | Chief Financial Officer | Buy (P) 2 lots, same day | 3K | $7K |
| Sep 4, 2026 | Steinmetz Shimon | Chief Financial Officer | Buy (P) 2 lots, same day | 6K | $13K |
| Sep 3, 2026 | Steinmetz Shimon | Chief Financial Officer | Buy (P) 2 lots, same day | 16K | $36K |
| May 4, 2026 | Voncannon Jay Loring | Chief Financial Officer | Sell (S) | 17K | $38K |
| Mar 23, 2026 | Campbell-Breeden Richard | Director | Buy (P) | 150K | $332K |
| Mar 17, 2026 | Wong Joseph M | Chief Technology Officer | Buy (P) | 10K | $19K |
| Mar 16, 2026 | Smith Claiborne Benson | Gen Counsel, Corp Secretary | Buy (P) | 1K | $2K |
| Mar 13, 2026 | Eicher Carol S | Director | Buy (P) | 78K | $151K |
| Mar 12, 2026 | Smith Claiborne Benson | Gen Counsel, Corp Secretary | Buy (P) | 1K | $2K |
| Nov 11, 2025 | Campbell-Breeden Richard | Director | Buy (P) | 29K | $101K |
| Nov 11, 2025 | Voncannon Jay Loring | Chief Financial Officer | Buy (P) | 6K | $21K |
| Nov 10, 2025 | Voncannon Jay Loring | Chief Financial Officer | Buy (P) | 9K | $34K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
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 | 37 | 28 | – |
Insiders Form 4 open-market | 2 | 1 | +$350K |
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 ARQ
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/ARQ/capital-change-brief"
Use Arkolith's capital_change_brief for ARQ. 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 ARQ. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.