RMR GROUP INC/THE - A (RMR) Top Institutional Shareholders
RMR GROUP INC/THE - A (RMR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $189.42M in RMR holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of RMR tracked by InsiderSet, reporting ownership valued at approximately $20.90M 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 $27.45M, representing an estimated gain of +31.35% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 67% of the total disclosed RMR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Nantahala Capital Management, Llc, Bank Of America Corp, and several other long-term asset managers with concentrated positions in RMR GROUP INC/THE - A (RMR).
This page ranks the largest institutional RMR 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
164
Total Reported Value
$189.42M
Largest Holder
Blackrock, Inc.
Largest Position
$20.90M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
189
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 1,350,705 | $20,895,410 | $27,446,326 | +$6,550,916 | +31.35% | |
| Nantahala Capital Management, Llc | 1.11% | 1,147,902 | $17,758,044 | $23,325,369 | +$5,567,325 | +31.35% | |
| Bank Of America Corp | 0.00% | 941,252 | $14,561,169 | $19,126,241 | +$4,565,072 | +31.35% | |
| Morgan Stanley | 0.00% | 937,020 | $14,495,741 | $19,040,246 | +$4,544,505 | +31.35% | |
| Vanguard Portfolio Management Llc | 0.00% | 862,363 | $13,340,756 | $17,523,216 | +$4,182,460 | +31.35% | |
| Flat Footed Llc | 4.13% | 802,739 | $12,418,372 | $16,311,656 | +$3,893,284 | +31.35% | |
| Vanguard Capital Management Llc | 0.00% | 672,078 | $10,397,047 | $13,656,625 | +$3,259,578 | +31.35% | |
| Federated Hermes, Inc. | 0.01% | 527,304 | $8,157,393 | $10,714,817 | +$2,557,424 | +31.35% | |
| Geode Capital Management, Llc | 0.00% | 468,081 | $7,242,368 | $9,511,406 | +$2,269,038 | +31.33% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 439,814 | $6,803,923 | $8,937,020 | +$2,133,097 | +31.35% |
| State Street Corp | 0.00% | 401,067 | $6,204,506 | $8,149,681 | +$1,945,175 | +31.35% | |
| Garner Asset Management Corp | 2.17% | 357,751 | $5,538,434 | $7,269,500 | +$1,731,066 | +31.26% | |
| Hotchkis & Wiley Capital Management Llc | 0.02% | 338,300 | $5,233,501 | $6,874,256 | +$1,640,755 | +31.35% | |
| Dimensional Fund Advisors Lp | 0.00% | 302,749 | $4,683,571 | $6,151,860 | +$1,468,289 | +31.35% | |
| Northern Trust Corp | 0.00% | 177,967 | $2,753,149 | $3,616,289 | +$863,140 | +31.35% | |
| O'Shaughnessy Asset Management, Llc | 0.01% | 176,596 | $2,731,940 | $3,588,431 | +$856,491 | +31.35% | |
| Goldman Sachs Group Inc | 0.00% | 146,942 | $2,273,193 | $2,985,861 | +$712,668 | +31.35% | |
| Charles Schwab Investment Management Inc | 0.00% | 134,174 | $2,075,672 | $2,726,416 | +$650,744 | +31.35% | |
| Jefferies Financial Group Inc. | 0.02% | 111,011 | $1,717,340 | $2,255,744 | +$538,404 | +31.35% | |
| Stifel Financial Corp | 0.00% | 103,431 | $1,600,075 | $2,101,718 | +$501,643 | +31.35% | |
| Vanguard Fiduciary Trust Co | 0.00% | 101,763 | $1,574,274 | $2,067,824 | +$493,550 | +31.35% | |
| Marshall Wace, Llp | 0.00% | 100,058 | $1,547,896 | $2,033,179 | +$485,283 | +31.35% | |
| Truvestments Capital Llc | 0.27% | 97,700 | $1,511,419 | $1,985,264 | +$473,845 | +31.35% | |
| Aviance Capital Partners, Llc | 0.16% | 90,134 | $1,394,376 | $1,831,523 | +$437,147 | +31.35% | |
| Cwa Asset Management Group, Llc | 0.05% | 88,516 | $1,369,349 | $1,798,645 | +$429,296 | +31.35% | |
| Alphacore Capital Llc | 0.03% | 79,276 | $1,226,400 | $1,610,888 | +$384,488 | +31.35% | |
| Bank Of New York Mellon Corp | 0.00% | 77,962 | $1,206,069 | $1,584,188 | +$378,119 | +31.35% | |
| Two Sigma Investments, Lp | 0.00% | 68,191 | $1,054,915 | $1,385,641 | +$330,726 | +31.35% | |
| Quantinno Capital Management Lp | 0.00% | 66,829 | $1,033,845 | $1,357,965 | +$324,120 | +31.35% | |
| Citadel Advisors Llc | 0.00% | 49,885 | $771,721 | $1,013,663 | +$241,942 | +31.35% | |
| Russell Investments Group, Ltd. | 0.00% | 49,406 | $764,313 | $1,003,930 | +$239,617 | +31.35% | |
| Aqr Capital Management Llc | 0.00% | 49,138 | $760,169 | $998,484 | +$238,315 | +31.35% | |
| American Century Companies Inc | 0.00% | 48,347 | $747,928 | $982,411 | +$234,483 | +31.35% | |
| Linden Thomas Advisory Services, Llc | 0.07% | 47,770 | $739,002 | $970,686 | +$231,684 | +31.35% | |
| Prelude Capital Management, Llc | 0.06% | 47,704 | $737,981 | $969,345 | +$231,364 | +31.35% | |
| Globeflex Capital L P | 0.10% | 41,500 | $642,005 | $843,280 | +$201,275 | +31.35% | |
| Principal Financial Group Inc | 0.00% | 41,140 | $636,436 | $835,965 | +$199,529 | +31.35% | |
| Barclays Plc | 0.00% | 39,143 | $605,543 | $795,386 | +$189,843 | +31.35% | |
| Trexquant Investment Lp | 0.00% | 35,393 | $547,530 | $719,186 | +$171,656 | +31.35% | |
| Inspire Investing, Llc | 0.04% | 33,398 | $516,667 | $678,647 | +$161,980 | +31.35% | |
| Nuveen, Llc | 0.00% | 33,186 | $513,388 | $674,340 | +$160,952 | +31.35% | |
| Invesco Ltd. | 0.00% | 31,803 | $491,992 | $646,237 | +$154,245 | +31.35% | |
| Martingale Asset Management L P | 0.01% | 31,321 | $484,536 | $636,443 | +$151,907 | +31.35% | |
| Numerai Gp Llc | 0.05% | 30,401 | $470,303 | $617,748 | +$147,445 | +31.35% | |
| Deutsche Bank Ag\ | 0.00% | 30,035 | $464,641 | $610,311 | +$145,670 | +31.35% | |
| New Age Alpha Advisors, Llc | 0.02% | 29,780 | $460,697 | $605,130 | +$144,433 | +31.35% | |
| Susquehanna International Group, Llp | 0.00% | 25,126 | $388,699 | $510,560 | +$121,861 | +31.35% | |
| Alliancebernstein L.P. | 0.00% | 24,910 | $371,159 | $506,171 | +$135,012 | +36.38% | |
| Ritholtz Wealth Management | 0.01% | 22,302 | $345,009 | $453,177 | +$108,168 | +31.35% | |
| Ubs Group Ag | 0.00% | 21,121 | $326,742 | $429,179 | +$102,437 | +31.35% |
Frequently asked questions about RMR
Who owns the most RMR stock?
The largest holders of RMR 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 RMR GROUP INC/THE - A (RMR).
Is RMR widely held by superinvestors?
Many widely followed stocks like RMR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RMR 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.