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 RTACU 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/RTACU"
Use Arkolith to show who owns RTACU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Karpus Management, Inc. | $1.5M | 140K | ▼−3.6% Reduced · −5K sh | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $1.4M | 136K | ▼−1.9% Reduced · −3K sh | Q1 2026 | |
| 3 | Clear Street Group Inc. | $811K | 77K | ▼−47% Reduced · −69K sh | Q1 2026 | |
| 4 | Patriot Financial Group Insurance Agency, LLC | $766K | 73K | ▲+132% Added · +41K sh | Q1 2026 | |
| 5 | Parallax Volatility Advisers, L.P. | $300K | 29K | —Held | Q1 2026 | |
| 6 | Schonfeld Strategic Advisors LLC | $262K | 25K | —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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 6 funds | $2.1B |
| ELI LILLY & COLLY | 6 funds | $270.6M |
| NVIDIA CORPNVDA | 5 funds | $8.9B |
| APPLE INCAAPL | 5 funds | $2.4B |
| ALPHABET INC-CL AGOOGL | 5 funds | $1.5B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 5 funds | $1.4B |
| ADVANCED MICRO DEVICESAMD | 5 funds | $1.3B |
| ALPHABET INC-CL CGOOG | 5 funds | $1.2B |
| TESLA INCTSLA | 5 funds | $897.9M |
| JPMORGAN CHASE & COJPM | 5 funds | $753.2M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 5 funds | $704.8M |
| INTUITIVE SURGICAL INCISRG | 5 funds | $640.3M |
Ranked by how many of RTACU'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 RTACU. 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.