This ETF 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/ARKB/capital-change-brief"
Use Arkolith's capital_change_brief for ARKB. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ARK Investment Management LLC | $150.6M | 6.7M | ▼−2.5% Reduced · −173K sh | Q1 2026 | |
| 2 | Schonfeld Strategic Advisors LLC | $125.8M | 5.6M | ▲+17% Added · +825K sh | Q1 2026 | |
| 3 | Intesa Sanpaolo S.p.A. | $81.2M | 3.6M | ▲+45% Added · +1.1M sh | Q1 2026 | |
| 4 | HBK INVESTMENTS L P | $44.2M | 2.0M | —Held | Q1 2026 | |
| 5 | JANE STREET GROUP, LLC | $39.2M | 1.7M | ▼−1.8% Reduced · −32K sh | Q1 2026 | |
| 6 | MILLENNIUM MANAGEMENT LLC | $38.1M | 1.7M | ▼−61% Reduced · −2.6M sh | Q1 2026 | |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $21.6M | 959K | ▲+85% Added · +441K sh | Q1 2026 | |
| 8 | Tidal Investments LLC | $19.2M | 853K | ▲New +853K sh | Q1 2026 | |
| 9 | Cyndeo Wealth Partners, LLC | $13.6M | 606K | ▲+46% Added · +192K sh | Q1 2026 | |
| 10 | STATE OF MICHIGAN RETIREMENT SYSTEM | $6.7M | 300K | —Held | Q1 2026 | |
| 11 | Farringdon Capital, Ltd. | $5.0M | 222K | ▲+29% Added · +50K sh | Q1 2026 | |
| 12 | Blue Trust, Inc. | $4.4M | 197K | ▲+20% Added · +33K sh | Q1 2026 | |
| 13 | HSBC HOLDINGS PLC | $4.0M | 180K | —Held | Q1 2026 | |
| 14 | Dakota Wealth Management | $3.6M | 162K | ▼−10% Reduced · −18K sh | Q1 2026 | |
| 15 | BIP Wealth, LLC | $3.2M | 144K | ▲+3.0% Added · +4K sh | Q1 2026 | |
| 16 | MEITAV INVESTMENT HOUSE LTD | $3.2M | 142K | ▲+45% Added · +44K sh | Q1 2026 | |
| 17 | ENVESTNET ASSET MANAGEMENT INC | $3.0M | 134K | ▲+54% Added · +47K sh | Q1 2026 | |
| 18 | Qube Research & Technologies Ltd | $2.9M | 127K | ▲New +127K sh | Q1 2026 | |
| 19 | Cresset Asset Management, LLC | $2.5M | 110K | ▼−1.8% Reduced · −2K sh | Q1 2026 | |
| 20 | LPL Financial LLC | $2.4M | 106K | ▲+12% Added · +11K sh | Q1 2026 | |
| 21 | HighTower Advisors, LLC | $2.4M | 105K | ▲+1.0% Added · +1K sh | Q1 2026 | |
| 22 | BENJAMIN EDWARDS INC | $2.4M | 105K | ▼−0.2% Reduced · −204 sh | Q1 2026 | |
| 23 | Kestra Advisory Services, LLC | $2.1M | 93K | ▲+2.2% Added · +2K sh | Q1 2026 | |
| 24 | Wealthcare Advisory Partners LLC | $1.8M | 93K | ▼−1.5% Reduced · −1K sh | Q2 2026 | |
| 25 | One Charles Private Wealth Services, LLC | $1.7M | 88K | ▲+0.7% Added · +575 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.
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 54 funds | $8.9B |
| META PLATFORMS INC-CLASS AMETA | 54 funds | $5.2B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 53 funds | $13.2B |
| NVIDIA CORPNVDA | 53 funds | $13.0B |
| ALPHABET INC-CL AGOOGL | 53 funds | $8.0B |
| BROADCOM INCAVGO | 53 funds | $5.8B |
| ALPHABET INC-CL CGOOG | 53 funds | $4.8B |
| TESLA INCTSLA | 53 funds | $3.7B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 53 funds | $3.6B |
| COSTCO WHOLESALE CORPCOST | 53 funds | $2.5B |
| ADVANCED MICRO DEVICESAMD | 53 funds | $1.8B |
| HONEYWELL INTERNATIONAL INCHON | 53 funds | $951.0M |
Ranked by how many of ARKB's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for ARKB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.