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 OCS 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/OCS"
Use Arkolith to show who owns OCS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | PERCEPTIVE ADVISORS LLC | $13.1M | 494K | —Held | Q1 2026 | |
| 2 | EVENTIDE ASSET MANAGEMENT, LLC | $11.4M | 430K | ▲New +430K sh | Q1 2026 | |
| 3 | Alyeska Investment Group, L.P. | $8.8M | 331K | —Held | Q1 2026 | |
| 4 | FOLKETRYGDFONDET | $8.5M | 320K | ▲+75% Added · +137K sh | Q1 2026 | |
| 5 | Woodline Partners LP | $5.3M | 201K | —Held | Q1 2026 | |
| 6 | CITADEL ADVISORS LLC | $4.3M | 161K | ▼−2.5% Reduced · −4K sh | Q1 2026 | |
| 7 | Compagnie Lombard Odier SCmA | $2.8M | 105K | ▼−1.7% Reduced · −2K sh | Q1 2026 | |
| 8 | Simplify Asset Management Inc. | $1.8M | 67K | ▼−32% Reduced · −32K sh | Q1 2026 | |
| 9 | Point72 Asset Management, L.P. | $1.5M | 56K | ▲New +56K sh | Q1 2026 | |
| 10 | ALPS ADVISORS INC | $1.2M | 47K | ▼−0.9% Reduced · −408 sh | Q1 2026 | |
| 11 | Trexquant Investment LP | $1.2M | 44K | ▲New +44K sh | Q1 2026 | |
| 12 | Y-Intercept (Hong Kong) Ltd | $776K | 29K | ▲New +29K sh | Q1 2026 | |
| 13 | TUDOR INVESTMENT CORP ET AL | $768K | 29K | ▲New +29K sh | Q1 2026 | |
| 14 | Quadrature Capital Ltd | $678K | 25K | ▲New +25K sh | Q1 2026 | |
| 15 | BOOTHBAY FUND MANAGEMENT, LLC | $664K | 25K | ▲New +25K sh | Q1 2026 | |
| 16 | STATE STREET CORP | $505K | 19K | ▲+52% Added · +6K sh | Q1 2026 | |
| 17 | Centiva Capital, LP | $482K | 18K | ▲New +18K sh | Q1 2026 | |
| 18 | Aquatic Capital Management LLC | $7K | 252 | ▲New +252 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| BOSTON SCIENTIFIC CORPBSX | 17 funds | $695.3M |
| ELI LILLY & COLLY | 16 funds | $1.1B |
| MICRON TECHNOLOGY INCMU | 15 funds | $3.1B |
| BROADCOM INCAVGO | 15 funds | $2.7B |
| INTUITIVE SURGICAL INCISRG | 15 funds | $1.4B |
| UNITEDHEALTH GROUP INCUNH | 15 funds | $1.1B |
| BOOKING HOLDINGS INCBKNG | 15 funds | $598.9M |
| DATADOG INC - CLASS ADDOG | 15 funds | $549.8M |
| SEAGATE TECHNOLOGY HOLDINGSSTX | 15 funds | $548.7M |
| CVS HEALTH CORPCVS | 15 funds | $527.5M |
| SERVICENOW INCNOW | 15 funds | $491.4M |
| HALLIBURTON COHAL | 15 funds | $394.3M |
Ranked by how many of OCS'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 + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for OCS. 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.