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 RMMZ 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/RMMZ"
Use Arkolith to show who owns RMMZ, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Gateway Wealth Partners, LLC | $4.3M | 291K | ▲+121% Added · +159K sh | Q1 2026 | |
| 2 | OPPENHEIMER & CO INC | $605K | 41K | ▼−6.0% Reduced · −3K sh | Q1 2026 | |
| 3 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $364K | 25K | ▲New +25K sh | Q1 2026 | |
| 4 | &PARTNERS | $236K | 16K | —Held | Q1 2026 | |
| 5 | Steward Partners Investment Advisory, LLC | $37K | 3K | —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 |
|---|---|---|---|---|---|
| Nov 25, 2025 | DIMELLA ROBERT A | Insider | Sell (S) | 0 | $1 |
| Nov 20, 2025 | DIMELLA ROBERT A | Insider | Sell (S) | 10K | $151K |
| Apr 10, 2025 | Browne Jonathan Paul | Insider | Buy (P) | 725 | $10K |
| Nov 22, 2024 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Other (J) | 48K | — |
| Dec 19, 2023 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Grant (A) | 10K | $150K |
| Dec 15, 2023 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Grant (A) | 9K | $129K |
| Dec 15, 2023 | Raio Jerry | Director | Sell (P) | 1K | $15K |
| Dec 8, 2023 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Grant (A) | 7K | $107K |
| Dec 7, 2023 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Grant (A) | 67 | $999 |
| Nov 21, 2023 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Grant (A) | 315 | $5K |
| Nov 20, 2023 | RIVERNORTH CAPITAL MANAGEMENT, LLC | Insider | Grant (A) | 6K | $82K |
| Oct 30, 2023 | Raio Jerry | Director | Buy (S) | 300 | $4K |
| Company | Co-held by | Combined value |
|---|---|---|
| APPLE INCAAPL | 6 funds | $2.5B |
| MICROSOFT CORPMSFT | 6 funds | $1.6B |
| ISHARES NATIONAL MUNI BOND EMUB | 6 funds | $119.6M |
| ISHARES FLEX I A ETF-USD INCBINC | 6 funds | $77.1M |
| ARES CAPITAL CORPARCC | 6 funds | $41.1M |
| FS KKR CAPITAL CORPFSK | 6 funds | $33.5M |
| PIMCO DYNAMIC INCOME FUNDPDI | 6 funds | $10.0M |
| RVRNRTH MGD DUR MUNI INCXRMMX | 6 funds | $3.0M |
| NVIDIA CORPNVDA | 5 funds | $1.9B |
| ISHARES CORE S&P 500 ETFIVV | 5 funds | $1.6B |
| AMAZON.COM INCAMZN | 5 funds | $1.2B |
| ALPHABET INC-CL AGOOGL | 5 funds | $1.1B |
Ranked by how many of RMMZ'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 RMMZ. 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.