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 ICLR 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/ICLR"
Use Arkolith to show who owns ICLR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Brave Warrior Advisors, LLC | $331.6M | 3.0M | ▲New +3.0M sh | Q1 2026 | |
| 2 | Sachem Head Capital Management LP | $232.9M | 2.1M | ▲New +2.1M sh | Q1 2026 | |
| 3 | GREENHAVEN ASSOCIATES INC | $221.6M | 2.0M | ▲115× Added · +2.0M sh | Q1 2026 | |
| 4 | Ruane, Cunniff & Goldfarb L.P. | $180.9M | 1.6M | ▼−2.7% Reduced · −45K sh | Q1 2026 | |
| 5 | BRANDES INVESTMENT PARTNERS, LP | $158.8M | 1.4M | ▲+85% Added · +658K sh | Q1 2026 | |
| 6 | Madison Avenue Partners, LP | $142.0M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 7 | EQUITY INVESTMENT CORP | $121.3M | 1.1M | ▲+76% Added · +473K sh | Q1 2026 | |
| 8 | First Pacific Advisors, LP | $109.7M | 991K | ▲+1.0% Added · +10K sh | Q1 2026 | |
| 9 | EARNEST PARTNERS LLC | $98.0M | 886K | ▼−0.5% Reduced · −4K sh | Q1 2026 | |
| 10 | Holocene Advisors, LP | $93.0M | 841K | ▲+419% Added · +679K sh | Q1 2026 | |
| 11 | Stephens Investment Management Group LLC | $66.3M | 599K | ▲+10% Added · +56K sh | Q1 2026 | |
| 12 | STATE STREET CORP | $50.6M | 457K | ▲+27% Added · +96K sh | Q1 2026 | |
| 13 | Maple Rock Capital Partners Inc. | $37.1M | 335K | ▲New +335K sh | Q1 2026 | |
| 14 | CITADEL ADVISORS LLC | $27.8M | 252K | ▲+500% Added · +210K sh | Q1 2026 | |
| 15 | DIAMOND HILL CAPITAL MANAGEMENT INC | $24.4M | 220K | ▼−7.9% Reduced · −19K sh | Q1 2026 | |
| 16 | Walleye Capital LLC | $21.8M | 197K | ▲+46% Added · +62K sh | Q1 2026 | |
| 17 | Soleus Capital Management, L.P. | $21.2M | 192K | ▲New +192K sh | Q1 2026 | |
| 18 | Fisher Funds Management LTD | $19.3M | 174K | ▼−66% Reduced · −339K sh | Q1 2026 | |
| 19 | MOORE CAPITAL MANAGEMENT, LP | $16.3M | 147K | ▲+157% Added · +90K sh | Q1 2026 | |
| 20 | Philosophy Capital Management LLC | $12.3M | 111K | ▼−23% Reduced · −33K sh | Q1 2026 | |
| 21 | Vident Advisory, LLC | $12.1M | 109K | ▲+166% Added · +68K sh | Q1 2026 | |
| 22 | FRONTIER CAPITAL MANAGEMENT CO LLC | $12.0M | 108K | ▲+49% Added · +36K sh | Q1 2026 | |
| 23 | AVIVA PLC | $11.8M | 107K | ▼−2.3% Reduced · −3K sh | Q1 2026 | |
| 24 | Polar Capital Holdings Plc | $11.1M | 100K | ▲New +100K sh | Q1 2026 | |
| 25 | CAMBIAR INVESTORS LLC | $9.6M | 87K | ▲+16% Added · +12K 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 154 funds | $49.1B |
| AMAZON.COM INCAMZN | 151 funds | $39.8B |
| ALPHABET INC-CL AGOOGL | 151 funds | $35.0B |
| NVIDIA CORPNVDA | 149 funds | $63.4B |
| UNITEDHEALTH GROUP INCUNH | 149 funds | $5.6B |
| VISA INC-CLASS A SHARESV | 147 funds | $13.5B |
| ELI LILLY & COLLY | 147 funds | $13.0B |
| META PLATFORMS INC-CLASS AMETA | 145 funds | $20.7B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 144 funds | $11.3B |
| MASTERCARD INC - AMA | 143 funds | $9.4B |
| APPLE INCAAPL | 142 funds | $53.7B |
| BROADCOM INCAVGO | 142 funds | $25.5B |
Ranked by how many of ICLR'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 ICLR. 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.