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 OTLK 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/OTLK"
Use Arkolith to show who owns OTLK, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $2.3M | 1.5M | ▲+9.1% Added · +123K sh | Q4 2025 | |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $124K | 604K | ▲+91% Added · +287K sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $98K | 477K | ▲+18% Added · +73K sh | Q1 2026 | |
| 4 | VANGUARD FIDUCIARY TRUST CO | $36K | 177K | ▲New +177K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $34K | 163K | —Held | Q1 2026 | |
| 6 | GROUP ONE TRADING LLC | $23K | 114K | ▲+207% Added · +77K sh | Q1 2026 | |
| 7 | Vanguard Personalized Indexing Management, LLC | $6K | 31K | ▲+102% Added · +16K sh | Q1 2026 | |
| 8 | Point72 Asset Management, L.P. | $6K | 29K | ▲New +29K sh | Q1 2026 | |
| 9 | OPPENHEIMER & CO INC | $3K | 16K | ▲New +16K sh | Q1 2026 | |
| 10 | StoneX Group Inc. | $3K | 13K | ▲New +13K sh | Q1 2026 | |
| 11 | Federation des caisses Desjardins du Quebec | $262 | 1K | —Held | Q1 2026 | |
| 12 | Ancora Advisors LLC | $226 | 1K | —Held | Q1 2026 | |
| 13 | CWM, LLC | $58 | 283 | —Held | Q1 2026 | |
| 14 | SBI Securities Co., Ltd. | $46 | 222 | ▲+5.7% Added · +12 sh | Q1 2026 | |
| 15 | Larson Financial Group LLC | $21 | 100 | —Held | Q1 2026 | |
| 16 | IFP Advisors, Inc | $10 | 50 | —Held | Q1 2026 | |
| 17 | Steward Partners Investment Advisory, LLC | $3 | 14 | —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 2, 2026 | Haddadin Yezan Munther | Director | Buy (P) | 29K | $24K |
| Oct 3, 2025 | Sukhtian Faisal Ghiath | Director | Grant (A) | 117K | $0 |
| Oct 3, 2025 | HILZINGER KURT J | Director | Grant (A) | 91K | $0 |
| Oct 3, 2025 | Auffarth Gerd | Director | Grant (A) | 59K | $0 |
| Oct 3, 2025 | Haddadin Yezan Munther | Director | Grant (A) | 96K | $0 |
| Oct 3, 2025 | Haller Julia A | Director | Grant (A) | 59K | $0 |
| Oct 3, 2025 | Huang Andong | Director | Grant (A) | 53K | $0 |
| Oct 1, 2025 | Auffarth Gerd | Director | Grant (A) | 287K | $0 |
| Oct 1, 2025 | Gangolli Julian S | Director | Grant (A) | 287K | $0 |
| Oct 1, 2025 | Sukhtian Faisal Ghiath | Director | Grant (A) | 287K | $0 |
| Oct 1, 2025 | HILZINGER KURT J | Director | Grant (A) | 287K | $0 |
| Oct 1, 2025 | Haller Julia A | Director | Grant (A) | 287K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 14 funds | $4.2B |
| AMAZON.COM INCAMZN | 14 funds | $4.2B |
| ALPHABET INC-CL AGOOGL | 14 funds | $2.9B |
| BROADCOM INCAVGO | 14 funds | $2.3B |
| META PLATFORMS INC-CLASS AMETA | 14 funds | $2.3B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 14 funds | $1.4B |
| VISA INC-CLASS A SHARESV | 14 funds | $1.4B |
| COSTCO WHOLESALE CORPCOST | 14 funds | $1.1B |
| HOME DEPOT INCHD | 14 funds | $1.0B |
| APPLIED MATERIALS INCAMAT | 14 funds | $975.0M |
| ARISTA NETWORKS INCANET | 14 funds | $961.1M |
| COCA-COLA CO/THEKO | 14 funds | $958.1M |
Ranked by how many of OTLK'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 OTLK. 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.