Among active 13F managers last quarter, 6 opened and 1 added, while 4 reduced; the largest holder to move was FourWorld Capital Management LLC (new position). Over the last 180 days, 2 insiders sold and 1 insider bought, a net -$811K in open-market trades.
The legs disagree, or only one of them leans.
34 tracked 13F filers disclose a position in ECOR as of the latest SEC 13F filings, a combined $8.5M 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 | 212K | $1.8M | ▲+4.4% Added · +9K sh | Q2 2026 | |
| 2 | Balyasny Asset Management L.P. | 116K | $702K | ▲New +116K sh | Q1 2026 | |
| 3 | FourWorld Capital Management LLC | 94K | $812K | ▲New +94K sh | Q2 2026 | |
| 4 | Wexford Capital LP | 92K | $795K | ▲New +92K sh | Q2 2026 | |
| 5 | Geode Capital Management, LLC | 73K | $632K | ▼−6.3% Reduced · −5K sh | Q2 2026 | |
| 6 | Jaffetilchin Investment Partners, LLC | 58K | $351K | ▲+11% Added · +6K sh | Q1 2026 | |
| 7 | Wealthspire Advisors, LLC | 47K | $286K | —Held | Q1 2026 | |
| 8 | Renaissance Technologies LLC | 44K | $268K | ▼−18% Reduced · −10K sh | Q1 2026 | |
| 9 | Citadel Advisors LLC | 44K | $378K | ▲New +44K sh | Q2 2026 | |
| 10 | Vanguard Fiduciary Trust Co | 39K | $335K | ▲+0.6% Added · +242 sh | Q2 2026 | |
| 11 | International Assets Investment Management, LLC | 36K | $301K | ▼−22% Reduced · −10K sh | Q2 2026 | |
| 12 | HighTower Advisors, LLC | 35K | $213K | —Held | Q1 2026 | |
| 13 | BlackRock, Inc. | 32K | $275K | ▲+19% Added · +5K sh | Q2 2026 | |
| 14 | State Street Corp | 27K | $229K | —Held | Q2 2026 | |
| 15 | WealthShield Partners, LLC | 26K | $224K | —Held | Q2 2026 | |
| 16 | BRC Group Holdings, Inc. | 25K | $217K | ▲New +25K sh | Q2 2026 | |
| 17 | Bridgeway Capital Management, LLC | 25K | $216K | ▲New +25K sh | Q2 2026 | |
| 18 | Two Sigma Investments, LP | 19K | $115K | ▼−1.5% Reduced · −300 sh | Q1 2026 | |
| 19 | Northern Trust Corp | 11K | $67K | —Held | Q1 2026 | |
| 20 | Tobias Financial Advisors, Inc. | 10K | $86K | —Held | Q2 2026 | |
| 21 | UBS Group AG | 8K | $51K | ▲+13% Added · +962 sh | Q1 2026 | |
| 22 | BFSG, LLC | 4K | $33K | —Held | Q2 2026 | |
| 23 | Royal Bank Of Canada | 2K | $12K | ▲33× Added · +2K sh | Q1 2026 | |
| 24 | Rockefeller Capital Management L.P. | 2K | $12K | —Held | Q1 2026 | |
| 25 | Vanguard Global Advisers, LLC | 2K | $15K | —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, 6 funds opened a new position in ECOR and 1 added to an existing one, while 4 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 | 13 funds | $5.9B |
| Alphabet Inc-CL AGOOGL | 13 funds | $3.1B |
| Microsoft CorpMSFT | 13 funds | $2.4B |
| Broadcom IncAVGO | 13 funds | $2.3B |
| Meta Platforms Inc-Class AMETA | 13 funds | $2.0B |
| Mastercard Inc - AMA | 13 funds | $1.9B |
| Eli Lilly & CoLLY | 13 funds | $1.4B |
| Chevron CorpCVX | 13 funds | $1.4B |
| Walmart IncWMT | 13 funds | $882.0M |
| Visa Inc-Class A SharesV | 13 funds | $830.0M |
| Netflix IncNFLX | 13 funds | $799.5M |
| Apple IncAAPL | 12 funds | $5.5B |
Ranked by how many of ECOR's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ECOR.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 25, 2026 | Lev Joshua S. | CFO and Interim President | Sell (S) | 3K | $28K |
| Aug 24, 2026 | Lev Joshua S. | CFO and Interim President | Sell (S) | 5K | $49K |
| Aug 21, 2026 | Lev Joshua S. | CFO and Interim President | Sell (S) | 12K | $123K |
| Aug 13, 2026 | Errico Thomas J. | Director | Buy (P) | 5K | $49K |
| May 28, 2026 | Lev Joshua S. | CFO and Interim President | Sell (S) | 7K | $60K |
| May 22, 2026 | Lev Joshua S. | CFO and Interim President | Sell (S) | 3K | $20K |
| May 21, 2026 | Errico Thomas J. | Director | Buy (P) | 10K | $60K |
| Apr 23, 2026 | Goldberger Daniel S | Insider | Sell (S) | 80K | $544K |
| Apr 10, 2026 | Goldberger Daniel S | Insider | Sell (S) | 16K | $97K |
| Dec 4, 2025 | Lev Joshua S. | Chief Financial Officer | Sell (S) | 3K | $13K |
| Dec 2, 2025 | Goldberger Daniel S | Chief Executive Officer, Director | Buy (P) | 1K | $5K |
| Nov 12, 2025 | Lev Joshua S. | Chief Financial Officer | Sell (S) | 2K | $13K |
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 | 6 | 6 | – |
Insiders Form 4 open-market | 1 | 2 | -$811K |
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 ECOR
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/ECOR/capital-change-brief"
Use Arkolith's capital_change_brief for ECOR. 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 ECOR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.