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 OCC 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/OCC"
Use Arkolith to show who owns OCC, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | GENDELL JEFFREY L | $3.4M | 417K | ▲+0.5% Added · +2K sh | Q1 2026 | |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $1.7M | 211K | ▲New +211K sh | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $1.4M | 168K | ▼−37% Reduced · −101K sh | Q1 2026 | |
| 4 | VANGUARD GROUP INC | $1.1M | 251K | ▲+6.4% Added · +15K sh | Q4 2025 | |
| 5 | SEI INVESTMENTS CO | $754K | 91K | ▲New +91K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $687K | 83K | ▼−18% Reduced · −18K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $598K | 72K | ▲+12% Added · +8K sh | Q1 2026 | |
| 8 | TWO SIGMA INVESTMENTS, LP | $583K | 71K | ▲+41% Added · +21K sh | Q1 2026 | |
| 9 | JANE STREET GROUP, LLC | $452K | 55K | ▲+16% Added · +8K sh | Q1 2026 | |
| 10 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $398K | 48K | —Held | Q1 2026 | |
| 11 | BlackRock, Inc. | $308K | 37K | ▼−1.0% Reduced · −396 sh | Q1 2026 | |
| 12 | STATE STREET CORP | $303K | 37K | —Held | Q1 2026 | |
| 13 | VANGUARD FIDUCIARY TRUST CO | $268K | 32K | ▲New +32K sh | Q1 2026 | |
| 14 | UBS Group AG | $185K | 22K | ▲+154% Added · +14K sh | Q1 2026 | |
| 15 | MORGAN STANLEY | $156K | 19K | ▲12× Added · +17K sh | Q1 2026 | |
| 16 | MERCER GLOBAL ADVISORS INC /ADV | $149K | 18K | —Held | Q1 2026 | |
| 17 | Clearstead Advisors, LLC | $148K | 18K | —Held | Q1 2026 | |
| 18 | Centiva Capital, LP | $108K | 13K | ▲New +13K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $104K | 13K | —Held | Q1 2026 | |
| 20 | WELLS FARGO & COMPANY/MN | $8K | 1K | —Held | Q1 2026 | |
| 21 | Geneos Wealth Management Inc. | $7K | 828 | ▲+57% Added · +300 sh | Q1 2026 | |
| 22 | Tower Research Capital LLC (TRC) | $2K | 246 | ▼−3.9% Reduced · −10 sh | Q1 2026 | |
| 23 | ROYAL BANK OF CANADA | $2K | 254 | ▼−88% Reduced · −2K sh | Q1 2026 | |
| 24 | OSAIC HOLDINGS, INC. | $1K | 125 | —Held | Q1 2026 | |
| 25 | SBI Securities Co., Ltd. | $990 | 120 | —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 16, 2026 | HOLLAND JOHN M | Director | Grant (A) | 4K | $0 |
| Jun 16, 2026 | FRAZIER RANDALL H | Director | Grant (A) | 4K | $0 |
| Jan 31, 2026 | WILKIN NEIL D JR | Chairman, President and CEO, Director, 10% Owner | Tax withholding (F) | 8K | $39K |
| Jan 31, 2026 | SMITH TRACY G | SVP and CFO | Tax withholding (F) | 4K | $21K |
| May 2, 2025 | HOLLAND JOHN M | Director | Grant (A) | 9K | $0 |
| May 2, 2025 | FRAZIER RANDALL H | Director | Grant (A) | 9K | $0 |
| May 2, 2025 | WEBER CRAIG H | Director | Grant (A) | 9K | $0 |
| May 2, 2025 | Nygren John A Jr | Director | Grant (A) | 9K | $0 |
| Jan 31, 2025 | WILKIN NEIL D JR | Chairman, President and CEO, Director, 10% Owner | Tax withholding (F) | 4K | $21K |
| Jan 31, 2025 | SMITH TRACY G | SVP and CFO | Tax withholding (F) | 3K | $13K |
| Oct 7, 2024 | WILKIN NEIL D JR | Chairman, President and CEO, Director, 10% Owner | Grant (A) | 4K | $11K |
| Oct 7, 2024 | FRAZIER RANDALL H | Director | Disposed to issuer (D) | 4K | $11K |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 6 funds | $542.2M |
| ADVANCED MICRO DEVICESAMD | 6 funds | $113.8M |
| GOODYEAR TIRE & RUBBER COGT | 6 funds | $33.7M |
| VISTANCE NETWORKS INCVISN | 6 funds | $15.4M |
| NVIDIA CORPNVDA | 5 funds | $868.2M |
| MICROSOFT CORPMSFT | 5 funds | $489.3M |
| AMAZON.COM INCAMZN | 5 funds | $373.9M |
| ALPHABET INC-CL AGOOGL | 5 funds | $272.2M |
| ALPHABET INC-CL CGOOG | 5 funds | $189.0M |
| META PLATFORMS INC-CLASS AMETA | 5 funds | $169.6M |
| TESLA INCTSLA | 5 funds | $156.5M |
| JPMORGAN CHASE & COJPM | 5 funds | $154.2M |
Ranked by how many of OCC'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 OCC. 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.