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/CBOE/capital-change-brief"
Use Arkolith's capital_change_brief for CBOE. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $3.0B | 10.5M | ▲+6.2% Added · +613K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $1.9B | 6.8M | ▲New +6.8M sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.5B | 5.2M | ▲New +5.2M sh | Q1 2026 | |
| 4 | ALLIANCEBERNSTEIN L.P. | $1.3B | 5.1M | ▼−23% Reduced · −1.5M sh | Q1 2026 | |
| 5 | STATE STREET CORP | $1.4B | 5.0M | ▼~0% Reduced · −2K sh | Q1 2026 | |
| 6 | FMR LLC | $1.3B | 4.7M | ▲+8.3% Added · +362K sh | Q1 2026 | |
| 7 | MORGAN STANLEY | $942.3M | 3.4M | ▲+25% Added · +661K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $871.0M | 3.1M | ▲+3.4% Added · +100K sh | Q1 2026 | |
| 9 | T. Rowe Price Investment Management, Inc. | Withheld | 2.2M | ▼−2.6% Reduced · −58K sh | Q1 2026 | |
| 10 | NORGES BANK | $354.6M | 1.4M | ▲+1.6% Added · +22K sh | Q4 2025 | |
| 11 | NORTHERN TRUST CORP | $374.1M | 1.3M | ▼−5.1% Reduced · −71K sh | Q1 2026 | |
| 12 | JANUS HENDERSON GROUP PLC | $373.5M | 1.3M | ▼−1.0% Reduced · −13K sh | Q1 2026 | |
| 13 | FIRST TRUST ADVISORS LP | $341.7M | 1.2M | ▼−14% Reduced · −198K sh | Q1 2026 | |
| 14 | RENAISSANCE TECHNOLOGIES LLC | $309.3M | 1.1M | ▼−3.4% Reduced · −39K sh | Q1 2026 | |
| 15 | DEUTSCHE BANK AG\ | $300.4M | 1.1M | ▲+13% Added · +120K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $284.9M | 1.0M | ▲+38% Added · +282K sh | Q1 2026 | |
| 17 | Amundi | $269.5M | 959K | ▼−2.3% Reduced · −23K sh | Q1 2026 | |
| 18 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $263.0M | 936K | ▲+4.9% Added · +44K sh | Q1 2026 | |
| 19 | NORDEA INVESTMENT MANAGEMENT AB | $254.5M | 904K | ▼−4.6% Reduced · −44K sh | Q1 2026 | |
| 20 | BANK OF AMERICA CORP /DE/ | $211.0M | 751K | ▲+10% Added · +69K sh | Q1 2026 | |
| 21 | Legal & General Group Plc | $207.4M | 738K | ▼−6.6% Reduced · −52K sh | Q1 2026 | |
| 22 | VIKING GLOBAL INVESTORS LP | $193.5M | 688K | ▲New +688K sh | Q1 2026 | |
| 23 | DIMENSIONAL FUND ADVISORS LP | $189.1M | 673K | ▲+0.8% Added · +5K sh | Q1 2026 | |
| 24 | UBS Group AG | $181.6M | 646K | ▼−30% Reduced · −271K sh | Q1 2026 | |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $175.8M | 625K | ▲+3.8% Added · +23K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 1, 2026 | Tomczyk Fredric J | Director | Tax withholding (F) | 337 | $83K |
| May 19, 2026 | Wilkinson Allen | SVP, CHIEF ACCOUNTING OFFICER | Grant (A) | 166 | $0 |
| May 18, 2026 | Froetscher Janet P | Director | Sell (S) | 1K | $438K |
| May 14, 2026 | Froetscher Janet P | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | Goodman Jill R | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | McPeek Jennifer J | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | Mao Cecilia | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | Mansfield Erin | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | PALMORE RODERICK A | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | Parisi James E. | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | Farrow William M III | Director | Grant (A) | 530 | $0 |
| May 14, 2026 | Fong Ivan K | Director | Grant (A) | 530 | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 320 funds | $204.1B |
| APPLE INCAAPL | 319 funds | $287.4B |
| MICROSOFT CORPMSFT | 319 funds | $268.4B |
| ALPHABET INC-CL AGOOGL | 317 funds | $175.9B |
| NVIDIA CORPNVDA | 316 funds | $383.8B |
| META PLATFORMS INC-CLASS AMETA | 316 funds | $113.1B |
| JPMORGAN CHASE & COJPM | 315 funds | $70.8B |
| BROADCOM INCAVGO | 313 funds | $144.6B |
| VISA INC-CLASS A SHARESV | 312 funds | $63.5B |
| MASTERCARD INC - AMA | 311 funds | $53.5B |
| COSTCO WHOLESALE CORPCOST | 308 funds | $40.9B |
| ALPHABET INC-CL CGOOG | 306 funds | $118.3B |
Ranked by how many of CBOE's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CBOE. 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.