The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query CLNN owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/CLNN"
Use Arkolith to show who owns CLNN, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Boxer Capital Management, LLC | $2.4M | 478K | ▲+139% Added · +278K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $1.5M | 308K | ▲New +308K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $1.3M | 223K | ▲+11% Added · +22K sh | Q4 2025 | |
| 4 | Ensign Peak Advisors, Inc | $1.3M | 258K | ▲+125% Added · +144K sh | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $473K | 96K | ▲+17% Added · +14K sh | Q1 2026 | |
| 6 | PEAK6 LLC | $247K | 50K | —Held | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $216K | 44K | ▲New +44K sh | Q1 2026 | |
| 8 | PARSONS CAPITAL MANAGEMENT INC/RI | $184K | 37K | —Held | Q1 2026 | |
| 9 | BlackRock, Inc. | $167K | 34K | ▼−0.1% Reduced · −53 sh | Q1 2026 | |
| 10 | STATE STREET CORP | $147K | 30K | —Held | Q1 2026 | |
| 11 | MORGAN STANLEY | $98K | 20K | ▼−2.9% Reduced · −597 sh | Q1 2026 | |
| 12 | NORTHERN TRUST CORP | $80K | 16K | —Held | Q1 2026 | |
| 13 | WELLS FARGO & COMPANY/MN | $29K | 6K | —Held | Q1 2026 | |
| 14 | JONES FINANCIAL COMPANIES LLLP | $24K | 5K | —Held | Q1 2026 | |
| 15 | UBS Group AG | $20K | 4K | ▲+51% Added · +1K sh | Q1 2026 | |
| 16 | PNC FINANCIAL SERVICES GROUP, INC. | $13K | 3K | —Held | Q1 2026 | |
| 17 | OSAIC HOLDINGS, INC. | $9K | 2K | —Held | Q1 2026 | |
| 18 | GROUP ONE TRADING LLC | $3K | 686 | —Held | Q1 2026 | |
| 19 | Arax Advisory Partners | $3K | 570 | —Held | Q1 2026 | |
| 20 | Tower Research Capital LLC (TRC) | $2K | 444 | ▲New +444 sh | Q1 2026 | |
| 21 | MAI Capital Management | $493 | 100 | —Held | Q1 2026 | |
| 22 | SBI Securities Co., Ltd. | $123 | 25 | —Held | Q1 2026 | |
| 23 | BNP PARIBAS FINANCIAL MARKETS | $113 | 23 | —Held | Q1 2026 | |
| 24 | US BANCORP \DE\ | $99 | 20 | —Held | 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 |
|---|---|---|---|---|---|
| Jun 11, 2026 | BROWN MORGAN R | Chief Financial Officer | Grant (A) | 15K | $0 |
| Jun 11, 2026 | Etherington Robert Dee | President & CEO, Director | Grant (A) | 65K | $0 |
| Jun 11, 2026 | Mortenson Mark | Chief Science Officer | Grant (A) | 45K | $0 |
| Mar 31, 2026 | Ugwumba Chidozie | 10% Owner | Sell (S) | 68K | $332K |
| Mar 30, 2026 | Ugwumba Chidozie | 10% Owner | Sell (S) | 16K | $79K |
| Mar 27, 2026 | Ugwumba Chidozie | 10% Owner | Sell (S) | 17K | $83K |
| Mar 26, 2026 | Ugwumba Chidozie | 10% Owner | Sell (S) | 5K | $29K |
| Mar 25, 2026 | Ugwumba Chidozie | 10% Owner | Sell (S) | 7K | $39K |
| Mar 24, 2026 | Ugwumba Chidozie | 10% Owner | Sell (S) | 5K | $32K |
| Feb 19, 2026 | Gay Jonathon | Director | Grant (A) | 3K | $0 |
| Feb 19, 2026 | Jacobovitz Shalom | Director | Grant (A) | 4K | $0 |
| Feb 19, 2026 | Desai Arjun JJ | Director | Grant (A) | 3K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 7 funds | $3.1B |
| META PLATFORMS INC-CLASS AMETA | 7 funds | $1.6B |
| BROADCOM INCAVGO | 7 funds | $1.6B |
| JPMORGAN CHASE & COJPM | 7 funds | $1.1B |
| TESLA INCTSLA | 7 funds | $929.1M |
| ELI LILLY & COLLY | 7 funds | $914.2M |
| MASTERCARD INC - AMA | 7 funds | $895.3M |
| ORACLE CORPORCL | 7 funds | $685.0M |
| JOHNSON & JOHNSONJNJ | 7 funds | $680.6M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 7 funds | $679.2M |
| MICRON TECHNOLOGY INCMU | 7 funds | $543.3M |
| CHEVRON CORPCVX | 7 funds | $507.2M |
Ranked by how many of CLNN'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 CLNN. 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.