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 RKDA 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/RKDA"
Use Arkolith to show who owns RKDA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | ARMISTICE CAPITAL, LLC | $220K | 159K | ▲New +159K sh | Q1 2026 | |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $44K | 32K | ▲+198% Added · +21K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $28K | 14K | —Held | Q4 2025 | |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $17K | 13K | ▲New +13K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $17K | 12K | —Held | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $13K | 10K | ▲New +10K sh | Q1 2026 | |
| 7 | VANGUARD FIDUCIARY TRUST CO | $6K | 4K | ▲New +4K sh | Q1 2026 | |
| 8 | Tower Research Capital LLC (TRC) | $5K | 4K | ▲+167% Added · +2K sh | Q1 2026 | |
| 9 | UBS Group AG | $1K | 807 | ▲+43% Added · +242 sh | Q1 2026 | |
| 10 | SBI Securities Co., Ltd. | $166 | 120 | —Held | Q1 2026 | |
| 11 | GROUP ONE TRADING LLC | $25 | 18 | —Held | Q1 2026 | |
| 12 | ASSETMARK, INC | $7 | 5 | —Held | Q1 2026 | |
| 13 | MORGAN STANLEY | $3 | 2 | —Held | Q1 2026 | |
| 14 | CITIGROUP INC | $1 | 1 | —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 |
|---|---|---|---|---|---|
| May 9, 2025 | Schaefer Thomas J. | Chief Executive Officer | Grant (A) | 13K | $0 |
| May 9, 2025 | Kawakami Mark | Chief Financial Officer | Grant (A) | 13K | $0 |
| Feb 3, 2025 | Schaefer Thomas J. | Chief Executive Officer | Buy (P) | 700 | $2K |
| Feb 3, 2025 | Kawakami Mark | Chief Financial Officer | Buy (P) | 700 | $2K |
| Aug 19, 2024 | Comcowich Kevin | Director | Grant (A) | 25K | $0 |
| Aug 19, 2024 | Carosella Deborah D | Director | Grant (A) | 11K | $0 |
| Aug 19, 2024 | Murray Lilian Shackelford | Director | Grant (A) | 11K | $0 |
| Aug 19, 2024 | WALLER GREGORY D | Director | Grant (A) | 11K | $0 |
| Aug 19, 2024 | Yoder Amy | Director | Grant (A) | 11K | $0 |
| Aug 19, 2024 | Schaefer Thomas J. | Chief Executive Officer | Grant (A) | 20K | $0 |
| Aug 19, 2024 | Kawakami Mark | Chief Financial Officer | Grant (A) | 20K | $0 |
| Aug 19, 2024 | Bolles Albert D. | Director | Grant (A) | 11K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| ALPHABET INC-CL AGOOGL | 3 funds | $839.8M |
| MICROSOFT CORPMSFT | 3 funds | $836.9M |
| META PLATFORMS INC-CLASS AMETA | 3 funds | $574.8M |
| ISHR IBX USD HIYLD CB ETF-UIHYG | 3 funds | $558.3M |
| BROADCOM INCAVGO | 3 funds | $520.4M |
| VANGUARD TOTAL STOCK MKT ETFVTI | 3 funds | $518.1M |
| AMAZON.COM INCAMZN | 3 funds | $475.0M |
| UNITED THERAPEUTICS CORPUTHR | 3 funds | $365.5M |
| VANGUARD FTSE DEVELOPED ETFVEA | 3 funds | $353.4M |
| NEWMONT CORPNEM | 3 funds | $334.4M |
| AT&T INCT | 3 funds | $330.8M |
| SYNCHRONY FINANCIALSYF | 3 funds | $296.2M |
Ranked by how many of RKDA'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 RKDA. 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.