Who owns RiverNorth Managed Duration Municipal Income Fund II, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of RMMZ from SEC Form 13F filings across 24 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 24 institutions disclosed 1.6M shares of RiverNorth Managed Duration Municipal Income Fund II, Inc. worth $24.2M — about 19.2% of shares outstanding; the largest disclosed holder is MORGAN STANLEY. Source: SEC Form 13F filings, parsed by EvidInvest.
24
13F holders
$24.2M
value, 2026 filers
19.2%
of shares outstanding (1.6M sh)
3
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of RMMZ's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MORGAN STANLEY | 224,416 | $3.4M | 0.0% | 2.7% | +2.6% |
| 2 | ROYAL BANK OF CANADA | 195,609 | $2.9M | 0.0% | 2.3% | -2.3% |
| 3 | ROBINSON CAPITAL MANAGEMENT, LLC | 195,309 | $2.9M | 1.3% | 2.3% | 0.0% |
| 4 | GUGGENHEIM CAPITAL LLC | 192,927 | $2.9M | 0.0% | 2.3% | +89.4% |
| 5 | WELLS FARGO & COMPANY/MN | 192,323 | $2.9M | 0.0% | 2.3% | -2.8% |
| 6 | Gateway Wealth Partners, LLC | 147,255 | $2.2M | 0.1% | 1.7% | -49.4% |
| 7 | UBS Group AG | 103,111 | $1.6M | 0.0% | 1.2% | -1.2% |
| 8 | OPPENHEIMER & CO INC | 52,673 | $792,202 | 0.0% | 0.6% | +27.8% |
| 9 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 40,249 | $605,345 | 0.0% | 0.5% | +62.3% |
| 10 | Closed-End Fund Advisors, Inc. | 38,401 | $577,551 | 0.6% | 0.5% | 0.0% |
| 11 | HARBOUR INVESTMENTS, INC. | 37,647 | $566,211 | 0.0% | 0.4% | +3.2% |
| 12 | STIFEL FINANCIAL CORP | 32,616 | $490,562 | 0.0% | 0.4% | +0.8% |
| 13 | OSAIC HOLDINGS, INC. | 30,468 | $458,245 | 0.0% | 0.4% | +97.1% |
| 14 | River Street Advisors LLC | 24,321 | $365,788 | 0.1% | 0.3% | 0.0% |
| 15 | RAYMOND JAMES FINANCIAL INC | 23,600 | $354,944 | 0.0% | 0.3% | -4.5% |
| 16 | LPL Financial LLC | 22,592 | $339,784 | 0.0% | 0.3% | +108.4% |
| 17 | &PARTNERS | 16,089 | $241,981 | 0.0% | 0.2% | 0.0% |
| 18 | Thomas J. Herzfeld Advisors, Inc.NEW | 15,802 | $237,662 | 0.1% | 0.2% | new |
| 19 | WEDBUSH SECURITIES INC | 14,847 | $223 | 0.0% | 0.2% | 0.0% |
| 20 | PFG Investments, LLC | 11,000 | $165,440 | 0.0% | 0.1% | -14.5% |
| 21 | Integrated Wealth Concepts LLCNEW | 6,508 | $97,894 | 0.0% | 0.1% | new |
| 22 | Noble Wealth Management PBC | 6,200 | $93,248 | 0.0% | 0.1% | +416.7% |
| 23 | MERCER GLOBAL ADVISORS INC /ADVNEW | 2,039 | $30,667 | 0.0% | 0% | new |
| 24 | PRIVATE TRUST CO NA | 775 | $11,656 | 0.0% | 0% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.