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 RUMBW 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/RUMBW"
Use Arkolith to show who owns RUMBW, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BOOTHBAY FUND MANAGEMENT, LLC | $2.2M | 425K | —Held | Q1 2026 | |
| 2 | LMR Partners LLP | $1.6M | 1.5M | ▼−0.3% Reduced · −5K sh | Q1 2026 | |
| 3 | ARISTEIA CAPITAL, L.L.C. | $520K | 504K | —Held | Q1 2026 | |
| 4 | Hudson Bay Capital Management LP | $63K | 59K | —Held | Q1 2026 | |
| 5 | Private Advisor Group, LLC | $52K | 49K | ▼−4.9% Reduced · −3K sh | Q1 2026 | |
| 6 | Stratos Wealth Partners, LTD. | $18K | 17K | ▼−26% Reduced · −6K 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 |
|---|---|---|
| ECHOSTAR CORP-ASATS | 6 funds | $167.3M |
| VISTANCE NETWORKS INCVISN | 6 funds | $98.4M |
| COHERENT CORPCOHR | 6 funds | $71.2M |
| ROCKET COS INC-CLASS ARKT | 6 funds | $41.2M |
| LIVE NATION ENTERTAINMENT INLYV | 6 funds | $38.2M |
| CIENA CORPCIEN | 6 funds | $36.9M |
| VISTRA CORPVST | 6 funds | $31.9M |
| YUM! BRANDS INCYUM | 6 funds | $29.4M |
| HILTON WORLDWIDE HOLDINGS INHLT | 6 funds | $14.3M |
| NVIDIA CORPNVDA | 5 funds | $1.7B |
| APPLE INCAAPL | 5 funds | $1.4B |
| SS SPDR S&P 500 ETF TRUST-USSPY | 5 funds | $1.0B |
Ranked by how many of RUMBW'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 RUMBW. 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.