RIVERNORTH OPPORT MUNI INC (RMI) Institutional Shareholders
RIVERNORTH OPPORT MUNI INC (RMI) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $20.50M in RMI holdings during the latest filing period.
Morgan Stanley is currently the largest disclosed institutional shareholder of RMI tracked by InsiderSet, reporting ownership valued at approximately $3.58M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $3.72M, representing an estimated gain of +3.92% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 80% of the total disclosed RMI value among the investors covered in this analysis. Major shareholders include Morgan Stanley, Robinson Capital Management, Llc, Wells Fargo & Company/Mn, and several other long-term asset managers with concentrated positions in RIVERNORTH OPPORT MUNI INC (RMI).
This page ranks the largest institutional RMI shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
25
Total Reported Value
$20.50M
Largest Holder
Morgan Stanley
Largest Position
$3.58M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
31
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Morgan Stanley | 0.00% | 237,702 | $3,579,792 | $3,720,036 | +$140,244 | +3.92% | |
| Robinson Capital Management, Llc | 1.04% | 152,955 | $2,320,327 | $2,393,746 | +$73,419 | +3.16% | |
| Wells Fargo & Company/Mn | 0.00% | 146,678 | $2,208,964 | $2,295,511 | +$86,547 | +3.92% | |
| Rockefeller Capital Management L.P. | 0.00% | 111,800 | $1,683,708 | $1,749,670 | +$65,962 | +3.92% | |
| Gateway Wealth Partners, Llc | 0.06% | 106,236 | $1,599,914 | $1,662,593 | +$62,679 | +3.92% | |
| Royal Bank Of Canada | 0.00% | 93,764 | $1,412,000 | $1,467,407 | +$55,407 | +3.92% | |
| Ubs Group Ag | 0.00% | 91,078 | $1,371,635 | $1,425,371 | +$53,736 | +3.92% | |
| Guggenheim Capital Llc | 0.01% | 50,659 | $762,925 | $792,813 | +$29,888 | +3.92% | |
| Envestnet Asset Management Inc | 0.00% | 47,860 | $741,354 | $749,009 | +$7,655 | +1.03% | |
| Concurrent Investment Advisors, Llc | 0.01% | 41,120 | $636,949 | $643,528 | +$6,579 | +1.03% | |
| Lpl Financial Llc | 0.00% | 40,180 | $605,111 | $628,817 | +$23,706 | +3.92% | |
| Bank Of America Corp | 0.00% | 39,411 | $593,535 | $616,782 | +$23,247 | +3.92% | |
| Osaic Holdings, Inc. | 0.00% | 34,237 | $515,598 | $535,809 | +$20,211 | +3.92% | |
| Cypress Wealth Services, Llc | 0.06% | 32,500 | $503,425 | $508,625 | +$5,200 | +1.03% | |
| Noble Wealth Management Pbc | 0.20% | 28,007 | $433,832 | $438,310 | +$4,478 | +1.03% | |
| Plancorp, Llc | 0.01% | 21,069 | $330,151 | $329,730 | -$421 | -0.13% | |
| River Street Advisors Llc | 0.09% | 20,593 | $318,986 | $322,280 | +$3,294 | +1.03% | |
| Apollon Wealth Management, Llc | 0.00% | 19,535 | $302,597 | $305,723 | +$3,126 | +1.03% | |
| Stifel Financial Corp | 0.00% | 12,937 | $194,828 | $202,464 | +$7,636 | +3.92% | |
| Citadel Advisors Llc | 0.00% | 12,129 | $182,663 | $189,819 | +$7,156 | +3.92% | |
| Raymond James Financial Inc | 0.00% | 12,088 | $182,045 | $189,177 | +$7,132 | +3.92% | |
| Ritter Daniher Financial Advisory Llc / De | 0.00% | 452 | $7,003 | $7,074 | +$71 | +1.01% | |
| International Assets Investment Management, Llc | 0.00% | 295 | $4,608 | $4,617 | +$9 | +0.19% | |
| Highline Wealth Partners Llc | 0.00% | 250 | $3,873 | $3,913 | +$40 | +1.02% | |
| Janney Montgomery Scott Llc | 0.00% | 11,309 | $170 | $176,986 | +$176,816 | +104009.32% |
Frequently asked questions about RMI
Who owns the most RMI stock?
The largest holders of RMI are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for RIVERNORTH OPPORT MUNI INC (RMI).
Is RMI widely held by superinvestors?
Many widely followed stocks like RMI appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RMI is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.