RMR The RMR Group Inc.
The RMR Group Inc. (RMR) Hedge Fund Activity
This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.
Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.
Most significant moves
Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.
| Fund | Action | Shares changed | Change | Est. value | Portfolio wt. | Score |
|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC Quant | Sold Out | -49.9K | -100.0% | $1.0M | 0.0% | 60 |
| Nantahala Capital Management Event Long/Short | Increased | +1.15M | +100.0% | $23.6M | 1.5% | 58 |
| MARSHALL WACE, LLP Long/Short | Sold Out | -100.1K | -100.0% | $2.1M | 0.0% | 58 |
| Tudor Investment Corporation Macro | New | +64.5K | — | $1.3M | 0.0% | 56 |
| Aquatic Capital Management Quant | Sold Out | -6.5K | -100.0% | $133.9K | 0.0% | 48 |
| Engineers Gate Quant | Sold Out | -14.6K | -100.0% | $300.4K | 0.0% | 48 |
| TWO SIGMA INVESTMENTS, LP Quant | Reduced | -42.8K | -62.8% | $879.2K | 0.0% | 41 |
| AQR Capital Management Long/Short Quant | Increased | +35.5K | +72.3% | $729.2K | 0.0% | 38 |
| Trexquant Investment Quant | Increased | +23.3K | +65.7% | $477.5K | 0.0% | 36 |
| RENAISSANCE TECHNOLOGIES LLC Quant | Reduced | -21.1K | -4.8% | $433.2K | 0.0% | 29 |
Most significant buyers
By move score, not size.
- Nantahala Capital Management
- Tudor Investment Corporation
- AQR Capital Management
- Trexquant Investment
Most significant sellers
By move score, not size.
- CITADEL ADVISORS LLC
- MARSHALL WACE, LLP
- Aquatic Capital Management
- Engineers Gate
- TWO SIGMA INVESTMENTS, LP
Hedge fund positions
| Fund | Tier | Shares | Previous | Change | Change % | Portfolio wt. | Action | Score |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | 1 | 0 | 49.9K | -49.9K | -100.0% | 0.0% | Sold Out | 60 |
| Nantahala Capital Management | 3 | 2.3M | 1.1M | +1.15M | +100.0% | 1.5% | Increased | 58 |
| MARSHALL WACE, LLP | 2 | 0 | 100.1K | -100.1K | -100.0% | 0.0% | Sold Out | 58 |
| Tudor Investment Corporation | 2 | 64.5K | 0 | +64.5K | — | 0.0% | New | 56 |
| Aquatic Capital Management | 4 | 0 | 6.5K | -6.5K | -100.0% | 0.0% | Sold Out | 48 |
| Engineers Gate | 4 | 0 | 14.6K | -14.6K | -100.0% | 0.0% | Sold Out | 48 |
| TWO SIGMA INVESTMENTS, LP | 2 | 25.4K | 68.2K | -42.8K | -62.8% | 0.0% | Reduced | 41 |
| AQR Capital Management | 3 | 84.7K | 49.1K | +35.5K | +72.3% | 0.0% | Increased | 38 |
| Trexquant Investment | 3 | 58.7K | 35.4K | +23.3K | +65.7% | 0.0% | Increased | 36 |
| RENAISSANCE TECHNOLOGIES LLC | 1 | 418.7K | 439.8K | -21.1K | -4.8% | 0.0% | Reduced | 29 |
| Quinn Opportunity Partners | 4 | 10.3K | 10.3K | 0 | +0.0% | 0.0% | Unchanged | 13 |
Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeHedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.