RMMZ · RiverNorth Managed Duration Municipal Income Fund II, Inc.
Market Cap
$127.67M
Shares
8.46M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 23
Total Value: $24,435,118
Total Shares: 1,624,738
Institutional Ownership Trend
18 quarters
Holder Concentration
Across 23 13F filers · Δ vs Mar 31, 2026Top Holder
13.8%
−4.1 pts
Top 5
61.6%
−6.4 pts
Top 10
85.1%
−2.7 pts
HHI
929
Broadly held−133
Quarterly Activity
vs Mar 31, 2026
New
2
Increased
9
Decreased
6
Sold Out
2
Unchanged
6
Holder count:
0
Institutional value:
+2.5%
Shares held:
+0.1%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Large GUGGENHEIM CAPITAL LLC | +91,081 | 192,927 | |
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | +15,447 | 40,249 | |
| Large OSAIC HOLDINGS, INC. | +15,011 | 30,468 | |
| Mega LPL Financial LLC | +11,750 | 22,592 | |
| Mid OPPENHEIMER & CO INC | +11,459 | 52,673 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Gateway Wealth Partners, LLC | −144,043 | 147,255 | |
| Mega WELLS FARGO & COMPANY/MN | −5,491 | 192,323 | |
| Mega ROYAL BANK OF CANADA | −4,522 | 195,609 | |
| Mid PFG Investments, LLC | −1,871 | 11,000 | |
| Mega UBS Group AG | −1,228 | 103,111 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Thomas J. Herzfeld Advisors, Inc. | 15,802 | $237,662 | |
| Mid Integrated Wealth Concepts LLC | 6,508 | $97,880 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Micro TT Capital Management LLC | 17,100 | $251,199 | |
| Large Steward Partners Investment Advisory, LLC | 2,500 | $36,725 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega MORGAN STANLEY | $3,375,216 | 13.81% | 224,416 | Shares | 2026-08-13 | |
| Mega ROYAL BANK OF CANADA Bank | $2,941,959 | 12.04% | 195,609 | Shares | 2026-08-14 | |
| Small ROBINSON CAPITAL MANAGEMENT, LLC | $2,937,447 | 12.02% | 195,309 | Principal | 2026-08-12 | |
| Large GUGGENHEIM CAPITAL LLC | $2,901,621 | 11.87% | 192,927 | Shares | 2026-08-12 | |
| Mega WELLS FARGO & COMPANY/MN | $2,892,537 | 11.84% | 192,323 | Shares | 2026-08-14 | |
| Small Gateway Wealth Partners, LLC | $2,214,715 | 9.06% | 147,255 | Shares | 2026-08-04 | |
| Mega UBS Group AG | $1,550,789 | 6.35% | 103,111 | Shares | 2026-08-13 | |
| Mid OPPENHEIMER & CO INC | $792,201 | 3.24% | 52,673 | Shares | 2026-08-03 | |
| Mid RIVERNORTH CAPITAL MANAGEMENT, LLC | $605,344 | 2.48% | 40,249 | Shares | 2026-08-14 | |
| Micro Closed-End Fund Advisors, Inc. | $577,551 | 2.36% | 38,401 | Shares | 2026-07-27 | |
| Mid HARBOUR INVESTMENTS, INC. | $566,210 | 2.32% | 37,647 | Shares | 2026-08-12 | |
| Large STIFEL FINANCIAL CORP | $490,544 | 2.01% | 32,616 | Shares | 2026-08-12 | |
| Large OSAIC HOLDINGS, INC. | $458,238 | 1.88% | 30,468 | Shares | 2026-08-14 | |
| Small River Street Advisors LLC | $365,787 | 1.50% | 24,321 | Shares | 2026-07-21 | |
| Mega RAYMOND JAMES FINANCIAL INC | $354,944 | 1.45% | 23,600 | Shares | 2026-08-14 | |
| Mega LPL Financial LLC | $339,783 | 1.39% | 22,592 | Shares | 2026-08-07 | |
| Large &PARTNERS | $241,978 | 0.99% | 16,089 | Shares | 2026-08-14 | |
| Small Thomas J. Herzfeld Advisors, Inc. | $237,662 | 0.97% | 15,802 | Shares | 2026-08-10 | |
| Mid WEDBUSH SECURITIES INC Broker-Dealer | $223,298 | 0.91% | 14,847 | Shares | 2026-07-28 | |
| Mid PFG Investments, LLC | $165,440 | 0.68% | 11,000 | Shares | 2026-07-23 | |
| Mid Integrated Wealth Concepts LLC | $97,880 | 0.40% | 6,508 | Shares | 2026-08-12 | |
| Small Noble Wealth Management PBC | $92,318 | 0.38% | 6,200 | Shares | 2026-07-01 | |
| Small PRIVATE TRUST CO NA Bank | $11,656 | 0.05% | 775 | Shares | 2026-07-28 |