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 IRD 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/IRD"
Use Arkolith to show who owns IRD, 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 | $8.4M | 1.8M | ▼−58% Reduced · −2.5M sh | Q1 2026 | |
| 2 | Nantahala Capital Management, LLC | $7.7M | 1.7M | ▼−65% Reduced · −3.1M sh | Q1 2026 | |
| 3 | Woodline Partners LP | $6.2M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 4 | BOOTHBAY FUND MANAGEMENT, LLC | $5.4M | 1.2M | ▲New +1.2M sh | Q1 2026 | |
| 5 | VANGUARD FIDUCIARY TRUST CO | $1.3M | 282K | ▲New +282K sh | Q1 2026 | |
| 6 | STATE STREET CORP | $910K | 200K | ▲+15% Added · +27K sh | Q1 2026 | |
| 7 | CITADEL ADVISORS LLC | $550K | 121K | ▼−33% Reduced · −60K sh | Q1 2026 | |
| 8 | Texas Capital Bank Wealth Management Services Inc | $403K | 89K | ▲+13% Added · +11K sh | Q1 2026 | |
| 9 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $191K | 42K | —Held | Q1 2026 | |
| 10 | MANGROVE PARTNERS IM, LLC | $190K | 42K | ▲New +42K sh | Q1 2026 | |
| 11 | NewEdge Advisors, LLC | $74K | 16K | —Held | Q1 2026 | |
| 12 | KESTRA PRIVATE WEALTH SERVICES, LLC | $58K | 13K | ▼−20% Reduced · −3K sh | Q1 2026 | |
| 13 | BLAIR WILLIAM & CO/IL | $57K | 12K | ▼−55% Reduced · −15K sh | Q1 2026 | |
| 14 | GROUP ONE TRADING LLC | $48K | 11K | ▲New +11K sh | Q1 2026 | |
| 15 | SBI Securities Co., Ltd. | $2K | 530 | ▼−79% Reduced · −2K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 16, 2026 | Jayagopal Ashwath | Chief Scientific & Dev. Ofc. | Sell (S) | 4K | $19K |
| Mar 16, 2026 | SCHACHLE JOSEPH K | Chief Operating Officer | Sell (S) | 4K | $20K |
| Mar 16, 2026 | Zaremba Rabourn Amy | Head of Fin. Quality Assurance | Sell (S) | 3K | $15K |
| Mar 16, 2026 | Magrath George | Chief Executive Officer, Director | Sell (S) | 24K | $127K |
| Feb 12, 2026 | Jayagopal Ashwath | Chief Scientific & Dev. Ofc. | Tax withholding (F) | 5K | $18K |
| Jan 22, 2026 | Magrath George | Chief Executive Officer, Director | Grant (A) | 484K | $0 |
| Jan 22, 2026 | Gagnon Robert E. | Chief Financial Officer | Grant (A) | 400K | $0 |
| Jan 22, 2026 | Jayagopal Ashwath | Chief Scientific & Dev. Ofc. | Grant (A) | 400K | $0 |
| Jan 22, 2026 | YERXA BENJAMIN R | President, Director | Grant (A) | 400K | $0 |
| Jan 22, 2026 | Zaremba Rabourn Amy | Head of Fin. Quality Assurance | Grant (A) | 87K | $0 |
| Jan 22, 2026 | SCHACHLE JOSEPH K | Chief Operating Officer | Grant (A) | 250K | $0 |
| Jan 18, 2026 | Zaremba Rabourn Amy | Head of Fin. Quality Assurance | Tax withholding (F) | 3K | $7K |
| Company | Co-held by | Combined value |
|---|---|---|
| VISA INC-CLASS A SHARESV | 13 funds | $1.3B |
| HOME DEPOT INCHD | 13 funds | $1.1B |
| AUTOMATIC DATA PROCESSINGADP | 13 funds | $188.8M |
| AMAZON.COM INCAMZN | 12 funds | $4.5B |
| MICROSOFT CORPMSFT | 12 funds | $4.0B |
| ALPHABET INC-CL AGOOGL | 12 funds | $2.9B |
| META PLATFORMS INC-CLASS AMETA | 12 funds | $2.1B |
| COSTCO WHOLESALE CORPCOST | 12 funds | $1.6B |
| TESLA INCTSLA | 12 funds | $1.5B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 12 funds | $1.4B |
| WALMART INCWMT | 12 funds | $1.1B |
| ELI LILLY & COLLY | 12 funds | $1.0B |
Ranked by how many of IRD'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 IRD. 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.