84 tracked 13F filers disclose a position in ECO as of the latest SEC 13F filings, a combined $422.9M 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | QVT Financial LP | $64.8M | 1.4M | —Held | Q1 2026 | |
| 2 | FIL Ltd | $32.4M | 624K | ▲+8.7% Added · +50K sh | Q1 2026 | |
| 3 | Portolan Capital Management, LLC | $27.3M | 539K | ▲+233% Added · +377K sh | Q1 2026 | |
| 4 | MARSHALL WACE, LLP | $24.9M | 492K | ▲+53% Added · +170K sh | Q1 2026 | |
| 5 | Encompass Capital Advisors LLC | $19.1M | 377K | ▼−53% Reduced · −433K sh | Q1 2026 | |
| 6 | VR Advisory Services Ltd | $17.4M | 344K | ▲+34% Added · +86K sh | Q1 2026 | |
| 7 | GOLDMAN SACHS GROUP INC | $17.3M | 342K | ▲+52% Added · +117K sh | Q1 2026 | |
| 8 | JANE STREET GROUP, LLC | $17.0M | 326K | ▲+311% Added · +247K sh | Q1 2026 | |
| 9 | JPMORGAN CHASE & CO | $15.4M | 311K | ▲+101% Added · +156K sh | Q1 2026 | |
| 10 | TWO SIGMA INVESTMENTS, LP | $15.4M | 304K | ▲+92% Added · +146K sh | Q1 2026 | |
| 11 | BANK OF AMERICA CORP /DE/ | $14.1M | 278K | ▲+97% Added · +137K sh | Q1 2026 | |
| 12 | BARCLAYS PLC | $13.7M | 270K | ▲+143% Added · +159K sh | Q1 2026 | |
| 13 | BlackRock, Inc. | $13.5M | 267K | ▲+30% Added · +61K sh | Q1 2026 | |
| 14 | FEARNLEY ASSET MANAGEMENT AS | $12.2M | 236K | ▼−57% Reduced · −319K sh | Q1 2026 | |
| 15 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $9.0M | 178K | ▲New +178K sh | Q1 2026 | |
| 16 | Qube Research & Technologies Ltd | $8.7M | 173K | ▲+133% Added · +99K sh | Q1 2026 | |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $8.1M | 159K | ▼−46% Reduced · −134K sh | Q1 2026 | |
| 18 | Point72 Asset Management, L.P. | $6.6M | 131K | ▲+11% Added · +13K sh | Q1 2026 | |
| 19 | Walleye Capital LLC | $5.6M | 111K | ▼−37% Reduced · −66K sh | Q2 2026 | |
| 20 | BNP PARIBAS FINANCIAL MARKETS | $5.0M | 99K | ▲+226% Added · +69K sh | Q1 2026 | |
| 21 | MILLENNIUM MANAGEMENT LLC | $4.6M | 91K | ▼−26% Reduced · −33K sh | Q1 2026 | |
| 22 | UBS Group AG | $4.6M | 91K | ▲+44% Added · +28K sh | Q1 2026 | |
| 23 | RAYMOND JAMES FINANCIAL INC | $4.2M | 83K | ▲New +83K sh | Q1 2026 | |
| 24 | Engineers Gate Manager LP | $3.6M | 71K | ▲+38% Added · +20K sh | Q1 2026 | |
| 25 | Militia Capital Management LLC | $3.5M | 70K | ▲New +70K 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, 20 funds opened a new position in ECO and 14 added to an existing one, while 15 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 37 funds | $21.5B |
| AMAZON.COM INCAMZN | 35 funds | $19.0B |
| META PLATFORMS INC-CLASS AMETA | 34 funds | $7.3B |
| MICRON TECHNOLOGY INCMU | 34 funds | $7.3B |
| BARRICK MINING CORPB | 34 funds | $4.3B |
| APPLE INCAAPL | 33 funds | $18.2B |
| ALPHABET INC-CL AGOOGL | 33 funds | $14.9B |
| BROADCOM INCAVGO | 33 funds | $13.0B |
| ALPHABET INC-CL CGOOG | 33 funds | $8.8B |
| JPMORGAN CHASE & COJPM | 33 funds | $5.3B |
| LAM RESEARCH CORPLRCX | 33 funds | $4.6B |
| CHEVRON CORPCVX | 33 funds | $3.5B |
Ranked by how many of ECO's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
No filings captured for this ticker in the live stream yet.
Connected entities for ECO
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/ECO/capital-change-brief"
Use Arkolith's capital_change_brief for ECO. 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 ECO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.