Among active 13F managers last quarter, 15 opened and 20 added, while 21 reduced; the largest holder to move was Two Sigma Investments, LP (+40%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
150 tracked 13F filers disclose a position in EC as of the latest SEC 13F filings, a combined $351.1M 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 | BlackRock, Inc. | 2.7M | $40.9M | ▲+79% Added · +1.2M sh | Q1 2026 | |
| 2 | Two Sigma Investments, LP | 1.9M | $27.8M | ▲+40% Added · +525K sh | Q1 2026 | |
| 3 | Vanguard Fiduciary Trust Co | 1.8M | $27.2M | →New filer Inherited book · not a new buyer | Q1 2026 | |
| 4 | Charles Schwab Investment Management Inc | 1.7M | $25.0M | ▲+18% Added · +257K sh | Q1 2026 | |
| 5 | D. E. Shaw & Co., Inc. | 1.3M | $19.0M | ▲+84% Added · +577K sh | Q1 2026 | |
| 6 | Vanguard Capital Management LLC | 1.2M | $18.0M | →New filer Inherited book · not a new buyer | Q1 2026 | |
| 7 | American Century Companies Inc | 884K | $13.3M | ▲+52% Added · +301K sh | Q1 2026 | |
| 8 | Goldman Sachs Group Inc | 882K | $13.2M | ▼−5.7% Reduced · −54K sh | Q1 2026 | |
| 9 | Connor, Clark & Lunn Investment Management Ltd. | 688K | $9.8M | ▼−56% Reduced · −861K sh | Q2 2026 | |
| 10 | JPMorgan Chase & Co | 632K | $9.5M | ▲+493% Added · +526K sh | Q1 2026 | |
| 11 | Marshall Wace, LLP | 570K | $8.5M | ▲+266% Added · +414K sh | Q1 2026 | |
| 12 | Morgan Stanley | 538K | $8.1M | ▼−17% Reduced · −108K sh | Q1 2026 | |
| 13 | Jane Street Group, LLC | 511K | $7.7M | ▲+163% Added · +317K sh | Q1 2026 | |
| 14 | Aventail Capital Group, LP | 460K | $6.9M | ▲New +460K sh | Q1 2026 | |
| 15 | Arrowstreet Capital, Limited Partnership | 436K | $6.5M | ▲New +436K sh | Q1 2026 | |
| 16 | Truffle Hound Capital, LLC | 430K | $6.1M | ▼−22% Reduced · −120K sh | Q2 2026 | |
| 17 | Banco BTG Pactual S.A. | 403K | $5.7M | ▲+117% Added · +217K sh | Q2 2026 | |
| 18 | State Street Corp | 327K | $4.7M | ▼−9.6% Reduced · −35K sh | Q2 2026 | |
| 19 | Millennium Management LLC | 324K | $4.9M | ▼−87% Reduced · −2.3M sh | Q1 2026 | |
| 20 | Fisher Asset Management, LLC | 324K | $4.8M | ▼−27% Reduced · −122K sh | Q1 2026 | |
| 21 | XTX Topco Ltd | 312K | $4.7M | ▲+144% Added · +184K sh | Q1 2026 | |
| 22 | CWA Asset Management Group, LLC | 309K | $4.4M | ▲+24% Added · +61K sh | Q2 2026 | |
| 23 | Barclays PLC | 270K | $4.1M | ▲+173% Added · +172K sh | Q1 2026 | |
| 24 | Renaissance Technologies LLC | 239K | $3.6M | ▲New +239K sh | Q1 2026 | |
| 25 | UBS Group AG | 225K | $3.4M | ▼−52% Reduced · −245K 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. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 15 funds opened a new position in EC and 20 added to an existing one, while 21 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 |
|---|---|---|
| Microsoft CorpMSFT | 89 funds | $55.1B |
| Alphabet Inc-CL AGOOGL | 87 funds | $44.6B |
| Nvidia CorpNVDA | 86 funds | $77.8B |
| Amazon.com IncAMZN | 85 funds | $44.3B |
| Broadcom IncAVGO | 85 funds | $31.7B |
| Apple IncAAPL | 83 funds | $63.0B |
| Meta Platforms Inc-Class AMETA | 83 funds | $22.8B |
| JPMorgan Chase & CoJPM | 83 funds | $15.9B |
| Eli Lilly & CoLLY | 83 funds | $14.6B |
| Visa Inc-Class A SharesV | 83 funds | $11.1B |
| Freeport-McMoran IncFCX | 82 funds | $7.7B |
| Unitedhealth Group IncUNH | 81 funds | $8.3B |
Ranked by how many of EC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in EC.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jan 3, 2006 | Wolynic Edward T | VP Strat.Tech.&Chief Tech.Off. | Sell (S) | 18K | $711K |
| Jan 3, 2006 | Hess John C | Vice President,Human Resources | Sell (S) | 45K | $1.7M |
| Dec 16, 2005 | Dornbusch II Arthur A | V.P., Secretary,Gen. Counsel | Sell (S) 10 lots, same day | 26K | $790K |
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 | 38 | 32 | – |
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 EC
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/EC/capital-change-brief"
Use Arkolith's capital_change_brief for EC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + the live filing stream, joined for EC. Filings are public domain, sourced to SEC EDGAR.