Ticker · CUSIP 580589109
Holders (tracked)
9
Combined shares
773,127
Combined value
$81.13M
Last close
$115.39
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is +10.0% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
21 events
- Ken Griffin (Citadel Advisors) added2026-02-17+65,281 shares · 2025Q4Position
- Wellington Management trimmed2026-02-17−1,500 shares · 2025Q4Position
- AQR Capital Management trimmed2026-02-17−48,373 shares · 2025Q4Position
- D.E. Shaw & Co. added2026-02-17+1,827 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+30,377 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) added2026-02-17+266 shares · 2025Q4Position
- T. Rowe Price trimmed2026-02-17−12,936 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+7,781 shares · 2025Q4Position
- Renaissance Technologies exited2026-02-12−9,995 shares · 2025Q4Position
- −16,273 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+40,796 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) added2025-11-14+29,815 shares · 2025Q3Position
- Two Sigma Investments trimmed2025-11-14−55,002 shares · 2025Q3Position
- D.E. Shaw & Co. opened position2025-11-14+3,407 shares · 2025Q3Position
- T. Rowe Price added2025-11-14+1,352 shares · 2025Q3Position
- Wellington Management trimmed2025-11-14−6,765 shares · 2025Q3Position
- Renaissance Technologies trimmed2025-11-13−56,700 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−18,376 shares · 2025Q3Position
- +3,952 shares · 2025Q3Position
- Mario Gabelli (GAMCO) trimmed2025-11-12−7,000 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−19,692 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of MGRC…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $57.80 | +99.6% | $17.7M |
| Mario Gabelli (GAMCO) | 2016Q1 | $63.77 | +81.0% | $3.9M |
| Wellington Management | 2018Q1 | $81.46 | +41.7% | $40.1M |
| D.E. Shaw & Co. | 2016Q1 | $101.58 | +13.6% | $604K |
| Two Sigma Investments | 2016Q1 | $104.27 | +10.7% | $8.0M |
| Ken Griffin (Citadel Advisors) | 2016Q2 | $104.93 | +10.0% | $7.8M |
| Ray Dalio (Bridgewater Associates) | 2025Q3 | $109.10 | +5.8% | $1.4M |
| AQR Capital Management | 2016Q2 | $112.47 | +2.6% | $3.7M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $113.46 | +1.7% | $5.9M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to5
- Ken Griffin (Citadel Advisors)+65,281$6.8M
- Two Sigma Investments+30,377$3.2M
- Ray Dalio (Bridgewater Associates)+7,781$816K
- D.E. Shaw & Co.+1,827$192K
- Izzy Englander (Millennium Mgmt)+266$28K
Trimmed3
- AQR Capital Management−48,373$5.1M
- Wellington Management−1,500$157K
- T. Rowe Price−12,936$1K
Exited1
- Renaissance Technologies−9,995$1.2M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $19.98B |
| 2022Q2 | 11 | $16.73B |
| 2022Q3 | 10 | $246.6M |
| 2022Q4 | 11 | $351.2M |
| 2023Q1 | 11 | $362.0M |
| 2023Q2 | 10 | $326.8M |
| 2023Q3 | 8 | $283.4M |
| 2023Q4 | 9 | $337.3M |
| 2024Q1 | 11 | $429.0M |
| 2024Q2 | 10 | $386.2M |
| 2024Q3 | 11 | $194.5M |
| 2024Q4 | 9 | $84.0M |
| 2025Q1 | 11 | $114.0M |
| 2025Q2 | 10 | $95.5M |
| 2025Q3 | 10 | $86.8M |
| 2025Q4 | 9 | $81.1M |
Who owns MGRC
9 super-investors · 2025Q4
Tracked stake
773.1K
shares
Combined value
$81M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added5Trim3Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 347.9K | $37M |
| 2 | T. Rowe Price | 153.7K | $16M |
| 3 | Two Sigma Investments | 69.1K | $7M |
| 4 | Ken Griffin Citadel Advisors | 67.7K | $7M |
| 5 | Izzy Englander Millennium Mgmt | 51.5K | $5M |
| 6 | Mario Gabelli GAMCO | 34.0K | $4M |
| 7 | AQR Capital Management | 32.3K | $3M |
| 8 | Ray Dalio Bridgewater Associates | 11.7K | $1M |
| 9 | D.E. Shaw & Co. | 5.2K | $549K |
Recent moves
20 transactions
- −48,373 · 2025Q4
- +30,377 · 2025Q4
- +65,281 · 2025Q4
- TRIMT. Rowe Price−12,936 · 2025Q4
- +266 · 2025Q4
- +1,827 · 2025Q4
- −1,500 · 2025Q4
- +7,781 · 2025Q4
- −9,995 · 2025Q4
- −16,273 · 2025Q3
- −55,002 · 2025Q3
- −6,765 · 2025Q3
- +29,815 · 2025Q3
- +40,796 · 2025Q3
- +3,407 · 2025Q3
- +1,352 · 2025Q3
- −18,376 · 2025Q3
- −56,700 · 2025Q3
- +3,952 · 2025Q3
- −19,692 · 2024Q3
Embed this chart
Paste this iframe anywhere to embed the live MGRC chart.
<iframe src="https://openstocks.me/embed/stock/MGRC" width="100%" height="480" frameborder="0" loading="lazy" title="MGRC chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>