RiverNorth Managed Duration Municipal Income Fund
Sponsor: RiverNorth · Inception Jul 26, 2019 · Pays monthly
Market priceShare price
$13.16
+2.93% (+$0.37)
NAVAsset value per share
$13.76
as of Oct 13, 2026 · Nasdaq NAV symbol
Premium / discountPrice vs. assets
4.36% discount *
Indicative: latest price vs latest reported NAV
Distribution rate (price)Payout rate
7.72%
regular, annualised · on NAV 7.39%
Expense ratioAnnual cost
5.88%
fee table, Jun 30, 2026
LeverageBorrowing
0.0%
of total managed assets
Quote status: Market closed — last regular-session price · last trade Oct 15, 2026, 4:00 PM EDT (exchange time, ET) · retrieved Oct 15, 2026, 5:46 PM EDTRegular-session prices; extended-hours quotes are not displayed.
Full portfolio as filed on SEC Form N-PORT for the month ending Jun 30, 2026, filed Aug 27, 2026. 110 positions; weights are percent of net assets as reported. Weights sum to 100.0% — leverage, cash, derivatives and short positions mean totals need not equal 100%. This is a historical report, not a live portfolio.
Top 10 holdings
| # | Security | Type | Country | Weight | Value (USD) |
|---|---|---|---|---|---|
| 1 | Mansfield Tx Indep Sch Dist | Debt | United States | 9.72% | $10.7M |
| 2 | Harris Cnty Tx Hosp Dist Ctfs Of Oblig | Debt | United States | 9.66% | $10.6M |
| 3 | Port Auth Of New York & New Jersey Ny | Debt | United States | 9.66% | $10.6M |
| 4 | Chicago Il O'hare International Arpt Revenue | Debt | United States | 9.56% | $10.5M |
| 5 | Denver City & Cnty Co Sch Dist #1 | Debt | United States | 9.56% | $10.5M |
| 6 | Ishares National Muni Bond Etf | Equity | United States | 9.52% | $10.5M |
| 7 | Kansas City Mo Indl Dev Auth Arpt Spl Oblig | Debt | United States | 8.83% | $9.7M |
| 8 | Invesco Municipal Trust | Equity | United States | 8.73% | $9.6M |
| 9 | Chicago Il Wtrwks Revenue | Debt | United States | 7.76% | $8.5M |
| 10 | New York Ny | Debt | United States | 7.43% | $8.2M |
Asset class
| Asset class | % net assets | Value |
|---|---|---|
| Short-term investment vehicle | 15.50% | $17M |
| Equity (common) | 139.82% | $154M |
| Debt | 115.98% | $127M |
| Derivative (interest rate) | -171.30% | $-188M |
Country (top 12)
| Country (top 12) | % net assets | Value |
|---|---|---|
| United States | 87.14% | $95.8M |
| Puerto Rico | 12.86% | $14.1M |
Region
| Region | % net assets | Value |
|---|---|---|
| United States | 87.14% | $95.8M |
| Latin America | 12.86% | $14.1M |
Issuer type
| Issuer type | % net assets | Value |
|---|---|---|
| Registered fund | 155.32% | $171M |
| Municipal | 114.55% | $126M |
| Corporate | -169.87% | $-187M |
Fair-value level
| Fair-value level | % net assets | Value |
|---|---|---|
| Level 2 | 115.98% | $127M |
| Level 1 | -15.98% | $-17.6M |
Level 3 = valued with unobservable inputs (typically private or illiquid).
Long / short
| Long / short | % net assets | Value |
|---|---|---|
| Long | 450.65% | $495M |
| Short | -179.35% | $-197M |
| N/A | -171.30% | $-188M |
All allocation percentages use net assets as the denominator (N-PORT convention). A position's share of invested assets may differ from its share of the whole fund including cash and leverage.
All 110 positions
| Security | Identifier | Type | Issuer | Country | Balance | Units | Value (USD) | Weight | FV level |
|---|---|---|---|---|---|---|---|---|---|
| Mansfield Tx Indep Sch Dist | 564386VN7 | Debt | MUN | United States | 10,000,000 | principal | $10.7M | 9.72% | 2 |
| Harris Cnty Tx Hosp Dist Ctfs Of Oblig | 41415UDF0 | Debt | MUN | United States | 10,000,000 | principal | $10.6M | 9.66% | 2 |
| Port Auth Of New York & New Jersey Ny | 73358XFS6 | Debt | MUN | United States | 10,000,000 | principal | $10.6M | 9.66% | 2 |
| Chicago Il O'hare International Arpt Revenue | 167593X56 | Debt | MUN | United States | 10,000,000 | principal | $10.5M | 9.56% | 2 |
| Denver City & Cnty Co Sch Dist #1 | 249174ZN6 | Debt | MUN | United States | 9,500,000 | principal | $10.5M | 9.56% | 2 |
| Ishares National Muni Bond Etf | 464288414 | Equity | RF | United States | 97,257 | shares | $10.5M | 9.52% | 1 |
| Kansas City Mo Indl Dev Auth Arpt Spl Oblig | 48504NCL1 | Debt | MUN | United States | 9,670,000 | principal | $9.7M | 8.83% | 2 |
| Invesco Municipal Trust | 46131J103 | Equity | RF | United States | 955,714 | shares | $9.6M | 8.73% | 1 |
| Chicago Il Wtrwks Revenue | 1677362M8 | Debt | MUN | United States | 8,000,000 | principal | $8.5M | 7.76% | 2 |
| New York Ny | 64966QY87 | Debt | MUN | United States | 7,500,000 | principal | $8.2M | 7.43% | 2 |
| Salt Lake City Ut Arpt Revenue | 795576HK6 | Debt | MUN | United States | 7,750,000 | principal | $7.9M | 7.19% | 2 |
| Blackrock Taxable Municipal Bond Trust | 09248X100 | Equity | RF | United States | 484,513 | shares | $7.8M | 7.13% | 1 |
| California St Univ Revenue | 13077DSY9 | Debt | MUN | United States | 7,000,000 | principal | $7.5M | 6.85% | 2 |
| Vanguard Tax-exempt Bond Index Etf | 922907746 | Equity | RF | United States | 148,911 | shares | $7.5M | 6.85% | 1 |
| Blackrock Muniholdings California Quality Fund Inc | 09254L107 | Equity | RF | United States | 671,491 | shares | $7.4M | 6.71% | 1 |
| New York St Dorm Auth St Personal Income Tax Revenue | 64990FX25 | Debt | MUN | United States | 6,800,000 | principal | $7.3M | 6.66% | 2 |
| Blackrock Muniyield New York Quality Fund Inc | 09255E102 | Equity | RF | United States | 718,851 | shares | $7.3M | 6.64% | 1 |
| Puerto Rico Sales Tax Fing Corp Sales Tax Revenue | 74529JRL1 | Debt | MUN | Puerto Rico | 7,422,000 | principal | $7.3M | 6.62% | 2 |
| Omaha Ne Public Pwr Dist Elec Revenue | 682001RR5 | Debt | MUN | United States | 6,750,000 | principal | $7.1M | 6.45% | 2 |
| New York St Transprtn Dev Corp Spl Fac Revenue | 650116GZ3 | Debt | MUN | United States | 7,000,000 | principal | $7.1M | 6.44% | 2 |
| South Carolina St Public Svc Auth Revenue | 837151U49 | Debt | MUN | United States | 6,500,000 | principal | $7M | 6.38% | 2 |
| Houston Tx Hotel Occupancy Tax & Spl Revenue | 44237NMW9 | Debt | MUN | United States | 6,500,000 | principal | $7M | 6.36% | 2 |
| Texas Wtr Dev Brd Revenue | 88285AKF4 | Debt | MUN | United States | 5,625,000 | principal | $5.9M | 5.34% | 2 |
| New York St Dorm Auth Revenues Non St Supported Debt | 65000BW38 | Debt | MUN | United States | 5,000,000 | principal | $5.5M | 4.96% | 2 |
| New York St Transprtn Dev Corp Spl Fac Revenue | 650116JK3 | Debt | MUN | United States | 5,000,000 | principal | $5.4M | 4.95% | 2 |
| Battery Park City Ny Auth | 07133AKQ4 | Debt | MUN | United States | 5,000,000 | principal | $5.4M | 4.92% | 2 |
| Invesco Municipal Opportunity Trust | 46132C107 | Equity | RF | United States | 543,084 | shares | $5.4M | 4.88% | 1 |
| Tennessee Energy Acquisition Corp Commodity Project Revenue | 88044TAL3 | Debt | MUN | United States | 5,000,000 | principal | $5.3M | 4.81% | 2 |
| Las Vegas Vly Nv Wtr Dist | 517845SF1 | Debt | MUN | United States | 5,000,000 | principal | $5.2M | 4.73% | 2 |
| New Jersey St Transprtn Trust Fund Auth | 6461367M7 | Debt | MUN | United States | 5,000,000 | principal | $5.1M | 4.66% | 2 |
| Eaton Vance Municipal Bond Fund | 27827X101 | Equity | RF | United States | 475,640 | shares | $4.7M | 4.31% | 1 |
| Blackrock Municipal 2030 Target Term Trust | 09257P105 | Equity | RF | United States | 198,039 | shares | $4.5M | 4.10% | 1 |
| Mta Hudson Rail Yards Trust Obligs Revenue | 62476RAC9 | Debt | MUN | United States | 4,500,000 | principal | $4.5M | 4.09% | 2 |
| Western Asset Managed Municipals Fund Inc | 95766M105 | Equity | RF | United States | 425,065 | shares | $4.4M | 4.03% | 1 |
| Tarrant Cnty Tx Cultural Edu Facs Fin Corp Revenue | 87638TJR5 | Debt | MUN | United States | 4,000,000 | principal | $4.3M | 3.94% | 2 |
| Gtr Asheville Regl Arpt Auth Nc Arpt Sys Revenue | 39160CAT4 | Debt | MUN | United States | 4,000,000 | principal | $4.2M | 3.79% | 2 |
| Texas St Priv Activity Bond Surface Transprtn Corp Revenue | 882667AN8 | Debt | MUN | United States | 4,000,000 | principal | $4M | 3.60% | 2 |
| San Francisco Ca City &cnty Arpts Commn Intl Arpt Rev | 79766DXQ7 | Debt | MUN | United States | 3,500,000 | principal | $3.8M | 3.42% | 2 |
| S Estrn Pa Transprtn Auth | 842039FP9 | Debt | MUN | United States | 3,185,000 | principal | $3.5M | 3.14% | 2 |
| Blackrock Muniholdings Fund Inc | 09253N104 | Equity | RF | United States | 2,113,048 | shares | $25.1M | 22.88% | 1 |
| Missouri St Hlth & Eductnl Facs Auth Hlth Facs Revenue | 60637AXQ0 | Debt | MUN | United States | 3,000,000 | principal | $3.2M | 2.92% | 2 |
| Blackrock Muniassets Fund Inc | 09254J102 | Equity | RF | United States | 262,152 | shares | $2.9M | 2.63% | 1 |
| Nuveen Municipal High Income Opportunity Fund | 670682103 | Equity | RF | United States | 267,356 | shares | $2.8M | 2.57% | 1 |
| Aberdeen Municipal Income Fund | 552738106 | Equity | RF | United States | 500,962 | shares | $2.8M | 2.56% | 1 |
| Bny Mellon Strategic Municipals Inc | 05588W108 | Equity | RF | United States | 422,219 | shares | $2.7M | 2.48% | 1 |
| Pimco California Municipal Income Fund | 72200N106 | Equity | RF | United States | 298,247 | shares | $2.7M | 2.43% | 1 |
| Virginia Small Business Fing Auth Priv Activity Revenue Sr | 928097AD6 | Debt | MUN | United States | 2,600,000 | principal | $2.6M | 2.36% | 2 |
| Puerto Rico Cmwlth Aqueduct & Swr Auth Revenuerestricted | 745160UE9 | Debt | MUN | Puerto Rico | 2,500,000 | principal | $2.4M | 2.22% | 2 |
| Puerto Rico Cmwlth Aqueduct &swr Auth Revenuerestricted | 745160TH4 | Debt | MUN | Puerto Rico | 2,465,000 | principal | $2.4M | 2.18% | 2 |
| Michigan St Strategic Fund Ltd Oblg Revenue | 594698QT2 | Debt | MUN | United States | 2,335,000 | principal | $2.4M | 2.15% | 2 |
| Blackrock Muniyield Quality Fund Inc | 09254F100 | Equity | RF | United States | 1,715,950 | shares | $19.9M | 18.11% | 1 |
| Blackrock Liquidity Funds Municash | 09248U841 | Short-term inv. | RF | United States | 17,033,241 | shares | $17M | 15.50% | 1 |
| Blackrock Muniyield Quality Fund Iii Inc | 09254E103 | Equity | RF | United States | 1,304,871 | shares | $14.5M | 13.19% | 1 |
| North Carolina St Turnpike Auth | 65830RDA4 | Debt | MUN | United States | 14,000,000 | principal | $14.4M | 13.06% | 2 |
| New Hope Cultural Edu Facs Fin Corp Tx Hosp Revenue | 645424BP6 | Debt | MUN | United States | 13,000,000 | principal | $14.2M | 12.91% | 2 |
| Washington Dc Met Area Transit Auth Dedicated Revenue | 93878YDS5 | Debt | MUN | United States | 12,910,000 | principal | $13.5M | 12.29% | 2 |
| Polk Cnty Ia | 7311974F3 | Debt | MUN | United States | 12,425,000 | principal | $13.3M | 12.07% | 2 |
| Massachusetts St Transprtn Fund Revenue | 57604TKE5 | Debt | MUN | United States | 12,000,000 | principal | $12.5M | 11.41% | 2 |
| San Diego Cnty Ca Regl Arpt Auth Airport Revenue | 79739GNA0 | Debt | MUN | United States | 12,000,000 | principal | $12.5M | 11.37% | 2 |
| Triborough Ny Bridge & Tunnel Auth Revenues | 89602RDV4 | Debt | MUN | United States | 11,250,000 | principal | $11.6M | 10.52% | 2 |
| Michigan St Trunk Line | 5946954N5 | Debt | MUN | United States | 10,000,000 | principal | $11.1M | 10.14% | 2 |
| Puerto Rico Cmwlth | 74514L3L9 | Debt | MUN | Puerto Rico | 2,000,000 | principal | $2M | 1.84% | 2 |
| Mobile Cnty Al Indl Dev Auth Sol Wst Disp Revenue | 60733UAA9 | Debt | MUN | United States | 2,000,000 | principal | $2M | 1.83% | 2 |
| Bny Mellon Strategic Municipal Bond Fund Inc | 09662E109 | Equity | RF | United States | 321,529 | shares | $2M | 1.80% | 1 |
| Nuveen Amt-free Municipal Value Fund | 670695105 | Equity | RF | United States | 134,620 | shares | $1.9M | 1.76% | 1 |
| Putnam Municipal Opportunities Trust | 746922103 | Equity | RF | United States | 159,043 | shares | $1.7M | 1.53% | 1 |
| Stetson University Inc | 85984XAA6 | Debt | CORP | United States | 2,500,000 | principal | $1.6M | 1.43% | 2 |
| Idaho St Hsg & Fin Assn Sf Mtge Revenue | 45129Y5J1 | Debt | MUN | United States | 1,355,000 | principal | $1.4M | 1.24% | 2 |
| Neuberger Municipal Fund Inc | 64124P101 | Equity | RF | United States | 127,535 | shares | $1.3M | 1.22% | 1 |
| Western Asset Intermediate Muni Fund | 958435109 | Equity | RF | United States | 135,715 | shares | $1.1M | 0.97% | 1 |
| Indiana St Fin Auth Student Hsg Revenue | 45471FAG6 | Debt | MUN | United States | 1,060,000 | principal | $1.1M | 0.96% | 2 |
| Abrdn National Municipal Income Fund | 24610T108 | Equity | RF | United States | 97,934 | shares | $1M | 0.92% | 1 |
| Mississippi St Hosp Equipment & Facs Auth | 605360SD9 | Debt | MUN | United States | 1,000,000 | principal | $1M | 0.91% | 2 |
| Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust | 401664107 | Equity | RF | United States | 63,617 | shares | $920K | 0.84% | 1 |
| Pimco Municipal Income Fund Ii | 72200W106 | Equity | RF | United States | 110,549 | shares | $841K | 0.77% | 1 |
| Pimco New York Municipal Income Fund Ii | 72200Y102 | Equity | RF | United States | 36,273 | shares | $257K | 0.23% | 1 |
| Bny Mellon Municipal Bond Infrastructure Fund Inc | 09662W109 | Equity | RF | United States | 1,831 | shares | $20.2K | 0.02% | 1 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035HPY6 | Debt | MUN | United States | -10,500,000 | principal | $-10.5M | -9.55% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035RSR6 | Debt | MUN | United States | -10,400,000 | principal | $-10.4M | -9.46% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035R7M0 | Debt | MUN | United States | -10,325,000 | principal | $-10.3M | -9.39% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035GXN3 | Debt | MUN | United States | -9,600,000 | principal | $-9.6M | -8.73% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035GZ68 | Debt | MUN | United States | -9,600,000 | principal | $-9.6M | -8.73% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035P4H8 | Debt | MUN | United States | -9,315,000 | principal | $-9.3M | -8.48% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88034U6B9 | Debt | MUN | United States | -9,000,000 | principal | $-9M | -8.19% | 2 |
| Tender Option Bond Trust Receipts / Ctfsrestrictedshort | 88035DSM8 | Debt | MUN | United States | -8,000,000 | principal | $-8M | -7.28% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035UKS5 | Debt | MUN | United States | -8,000,000 | principal | $-8M | -7.28% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035RQQ0 | Debt | MUN | United States | -8,000,000 | principal | $-8M | -7.28% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035GMW5 | Debt | MUN | United States | -7,500,000 | principal | $-7.5M | -6.82% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035AE64 | Debt | MUN | United States | -7,500,000 | principal | $-7.5M | -6.82% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035FZG8 | Debt | MUN | United States | -7,250,000 | principal | $-7.3M | -6.60% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035MLB9 | Debt | MUN | United States | -7,125,000 | principal | $-7.1M | -6.48% | 2 |
| Chicago Board of Trade | ticker USU6 | Rate deriv. | CORP | United States | -555 | contracts | $-63M | -57.32% | 1 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035UBV8 | Debt | MUN | United States | -6,400,000 | principal | $-6.4M | -5.82% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035GR59 | Debt | MUN | United States | -6,200,000 | principal | $-6.2M | -5.64% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035M8K4 | Debt | MUN | United States | -6,000,000 | principal | $-6M | -5.46% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035GZY7 | Debt | MUN | United States | -5,600,000 | principal | $-5.6M | -5.10% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035EBS1 | Debt | MUN | United States | -5,200,000 | principal | $-5.2M | -4.73% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035TZD5 | Debt | MUN | United States | -5,200,000 | principal | $-5.2M | -4.73% | 2 |
| Tender Option Bond Trust Receipts / Ctfsrestrictedshort | 88035DZH1 | Debt | MUN | United States | -5,100,000 | principal | $-5.1M | -4.64% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035THX1 | Debt | MUN | United States | -4,500,000 | principal | $-4.5M | -4.09% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035TFW5 | Debt | MUN | United States | -4,000,000 | principal | $-4M | -3.64% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035TJK7 | Debt | MUN | United States | -4,000,000 | principal | $-4M | -3.64% | 2 |
| Tender Option Bond Trust Receipts / Ctfsrestrictedshort | 88035DBM6 | Debt | MUN | United States | -3,750,000 | principal | $-3.8M | -3.41% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88034XXV9 | Debt | MUN | United States | -3,750,000 | principal | $-3.8M | -3.41% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035GUV8 | Debt | MUN | United States | -3,750,000 | principal | $-3.8M | -3.41% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035AV73 | Debt | MUN | United States | -3,200,000 | principal | $-3.2M | -2.91% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035REK6 | Debt | MUN | United States | -3,000,000 | principal | $-3M | -2.73% | 2 |
| Tender Option Bond Trust Receipts / Ctfs Various Statesrestrictedshort | 88035MBX2 | Debt | MUN | United States | -2,800,000 | principal | $-2.8M | -2.55% | 2 |
| Tender Option Bond Trust Receipts / Ctfsrestrictedshort | 88035D3X1 | Debt | MUN | United States | -2,545,000 | principal | $-2.5M | -2.32% | 2 |
| Chicago Board of Trade | ticker TYU6 | Rate deriv. | CORP | United States | -1,140 | contracts | $-125M | -113.99% | 1 |
Equities show share counts; bonds and loans show principal amount. Coupon, maturity and ratings are shown where the filing discloses them. Source: SEC N-PORT via market-data vendor re-serve, position-level.
Holdings reports on file
| Report date | Filed | Positions | Σ weight | Net assets (calc.) | Coverage |
|---|---|---|---|---|---|
| Jun 30, 2026 | Aug 27, 2026 | 110 | 100.0% | $110M | full |
| Mar 31, 2026 | May 28, 2026 | 112 | 100.0% | $101M | full |
| Dec 31, 2025 | Feb 26, 2026 | 128 | 100.0% | $107M | full |
Net assets here are calculated from position values ÷ reported weights (median across positions), not a reported figure.
CEF Explorer research page for RiverNorth Managed Duration Municipal Income Fund, Inc.. Figures carry their own dates and sources; a discount to NAV does not guarantee convergence or any return. This is not investment advice.