The RMR Group Inc. (RMR) Ownership
RMR ownership summary
as of October 18, 2026- Institutions
- 82.1% of shares outstanding
- Insiders
- 4.65% of shares outstanding
- Shares outstanding
- 16.1M
- Float
- 13.4M shares available to trade
- Short interest
- 9.27% 1.2M shares short
- Days to cover
- 12.85 short interest down 5.1% vs prior month
- Institutions 82.08%
- Insiders 4.65%
- Other investors 13.27%
RMR top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 13.44% | 2.3M | $42.1M | +1.1M (+100.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 8.68% | 1.5M | $27.2M | +132,621 (+9.8%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 5.12% | 875K | $16.0M | +12,954 (+1.5%) | June 30, 2026 |
| 4 | Flat Footed LLC | 5.04% | 862K | $15.8M | +58,768 (+7.3%) | June 30, 2026 |
| 5 | Bank of America Corp | 5.03% | 860K | $15.7M | −81,577 (−8.7%) | June 30, 2026 |
| 6 | Morgan Stanley - Brokerage Accounts | 4.46% | 762K | $14.0M | −174,527 (−18.6%) | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 4.06% | 694K | $12.7M | +21,745 (+3.2%) | June 30, 2026 |
| 8 | Federated Hermes Inc | 3.14% | 536K | $9.8M | +8,513 (+1.6%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 2.82% | 481K | $8.8M | +12,832 (+2.7%) | June 30, 2026 |
| 10 | Renaissance Technologies Corp | 2.45% | 419K | $7.7M | −21,100 (−4.8%) | June 30, 2026 |
| 11 | State Street Corp | 2.38% | 406K | $7.4M | +5,051 (+1.3%) | June 30, 2026 |
| 12 | Hotchkis & Wiley Capital Management LLC | 2.28% | 390K | $7.1M | +51,820 (+15.3%) | June 30, 2026 |
| 13 | Garner Asset Management Corporation | 1.95% | 332K | $6.1M | −25,279 (−7.1%) | June 30, 2026 |
| 14 | Dimensional Fund Advisors, Inc. | 1.82% | 311K | $5.7M | +8,163 (+2.7%) | June 30, 2026 |
| 15 | Lincluden Investment Management Ltd | 1.70% | 290K | $5.3M | — | June 30, 2026 |
| 16 | O'Shaughnessy Asset Management LLC | 1.13% | 194K | $3.6M | +17,250 (+9.8%) | June 30, 2026 |
| 17 | Northern Trust Corp | 1.10% | 188K | $3.5M | +10,426 (+5.9%) | June 30, 2026 |
| 18 | The Goldman Sachs Group Inc | 1.09% | 187K | $3.4M | +39,826 (+27.1%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 0.80% | 136K | $2.5M | +1,865 (+1.4%) | June 30, 2026 |
| 20 | Vanguard Fiduciary Trust Co | 0.63% | 107K | $2.0M | +5,204 (+5.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 1.5M shares and 4 cut 302K.
RMR top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard Real Estate Index Investor | 3.49% | 596K | $10.9M | +5,001 (+0.8%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.90% | 495K | $9.1M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.70% | 461K | $8.5M | −5,312 (−1.1%) | September 30, 2026 |
| 4 | Federated Hermes MDT Small Cap Core IS | 1.59% | 272K | $5.0M | — | June 30, 2026 |
| 5 | Fidelity Small Cap Index | 1.06% | 181K | $3.3M | +1,620 (+0.9%) | July 31, 2026 |
| 6 | Hotchkis & Wiley Small Cap Value I | 0.94% | 161K | $2.9M | — | August 31, 2026 |
| 7 | iShares Russell 2000 Value ETF | 0.90% | 153K | $2.8M | +232 (+0.2%) | September 30, 2026 |
| 8 | Federated Hermes MDT Small Cap Growth IS | 0.78% | 133K | $2.4M | — | June 30, 2026 |
| 9 | BlackRock Advantage Small Cap Core Instl | 0.77% | 132K | $2.4M | −8,111 (−5.8%) | August 31, 2026 |
| 10 | American Beacon Small Cp Val R5 | 0.62% | 107K | $2.0M | −8,600 (−7.5%) | August 31, 2026 |
| 11 | Vanguard Real Estate II Index | 0.62% | 105K | $1.9M | +1,100 (+1.1%) | September 30, 2026 |
| 12 | Vanguard Russell 2000 ETF | 0.54% | 92K | $1.7M | +1,422 (+1.6%) | September 30, 2026 |
| 13 | Schwab US Small-Cap ETF™ | 0.51% | 87K | $1.6M | +54 (+0.1%) | September 30, 2026 |
| 14 | Fidelity Extended Market Index | 0.46% | 78K | $1.4M | −422 (−0.5%) | August 31, 2026 |
| 15 | BSF Systematic US Eq Abs Ret A2 USD | 0.43% | 73K | $1.3M | — | December 31, 2025 |
| 16 | First Trust Dow Jones Sel MicroCap ETF | 0.41% | 70K | $1.3M | — | September 30, 2026 |
| 17 | Federated Hermes MDT Small Cap Core ETF | 0.35% | 61K | $1.1M | −504 (−0.8%) | September 30, 2026 |
| 18 | Vanguard Explorer Inv | 0.33% | 57K | $1.0M | — | June 30, 2026 |
| 19 | Dimensional US Targeted Value ETF | 0.32% | 54K | $993,549 | — | September 30, 2026 |
| 20 | DFA US Targeted Value I | 0.29% | 50K | $910,211 | +6,687 (+15.6%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
RMR insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-11 | Tremont Realty Capital Llc | Buy | $8.65 | 2,015,748 | $17.4M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
RMR shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns RMR
Institutional investors own 82.1% of RMR's shares and insiders 4.65%. The largest holder is Nantahala Capital Management, LLC with 13.44% of the shares (2.3M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 4 reduced their stake in the latest filings. Short interest is 9.27% of the float, or 12.85 days of average trading volume. The share count rose 4.6% since 2014.
Related: RMR analyst forecast, RMR key metrics, RMR dividend history. See the RMR stock overview for the latest quote and news.
RMR ownership FAQ
Who owns the most RMR stock?
The largest shareholders of RMR are Nantahala Capital Management, LLC (13.44%), BlackRock Inc (8.68%), Vanguard Portfolio Management, LLC (5.12%), Flat Footed LLC (5.04%), Bank of America Corp (5.03%).
What percentage of RMR is owned by institutions?
Institutions hold 82.1% of RMR's shares outstanding; insiders hold 4.65%.
Which funds own RMR?
The largest fund holders of RMR are Vanguard Real Estate Index Investor (3.49%), Vanguard MStar Total Stk Mkt Idx Invest (2.90%), iShares Russell 2000 ETF (2.70%), Federated Hermes MDT Small Cap Core IS (1.59%), Fidelity Small Cap Index (1.06%).
What is RMR's short interest?
1.2M shares of RMR were sold short, 9.27% of the float; at the average daily volume it would take 12.85 days to cover.
Are insiders buying or selling RMR?
Of the latest 1 reported insider transactions in RMR (since December 11, 2025), 1 were purchases and 0 were sales.
How many shares of RMR are outstanding?
RMR has 16.1M shares outstanding, of which 13.4M are in the public float.