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 RFAMU 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/RFAMU"
Use Arkolith to show who owns RFAMU, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | WHITEBOX ADVISORS LLC | $3.8M | 387K | ▲New +387K sh | Q1 2026 | |
| 2 | Calamos Advisors LLC | $3.0M | 300K | ▲New +300K sh | Q1 2026 | |
| 3 | Magnetar Financial LLC | $2.8M | 285K | ▲New +285K sh | Q1 2026 | |
| 4 | Clear Street Group Inc. | $43K | 4K | ▲New +4K 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.
| Class | 13F holders | Value held |
|---|---|---|
| RFAMORD SHS | 18 funds | $39.2M |
| RFAMRRT | 16 funds | $424K |
| RFAMUthis pageUnit | 8 funds | $15.1M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| IDEA ACQUISITION CORPIACOU | 4 funds | $31.1M |
| ANDRETTI ACQUISITION CORP -APOLE | 4 funds | $26.4M |
| ABONY ACQUISITION CORP IAACOU | 4 funds | $24.3M |
| HCM IV ACQUISITION CORPHACQU | 4 funds | $18.0M |
| PROEM ACQUISITION CORP IPAACU | 4 funds | $16.3M |
| SPARTACUS ACQU CORP IITMTSU | 4 funds | $14.5M |
| COLUMBUS CIRCLE CAPITAL CORPCMIIU | 4 funds | $14.5M |
| PROCAP ACQUISITION CORP - APCAP | 4 funds | $12.9M |
| QDRO ACQUISITION CORPQADRU | 4 funds | $11.7M |
| FUTURE MONEY ACQUISITION CORFMACU | 4 funds | $9.2M |
| HENNESSY CAPITAL INVESTMENTHCICU | 4 funds | $9.1M |
| ALUSSA ENERGY ACQUISITION COALUB/U | 4 funds | $3.6M |
Ranked by how many of RFAMU'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 RFAMU. 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.