Ticker · CUSIP 565849106
Holders (tracked)
15
Combined shares
23,573,051
Combined value
$459.78M
Last close
—
Quarter
2024Q3
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
SEC event timeline
No SEC events recorded for this ticker yet.
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2024Q3
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to8
- D.E. Shaw & Co.+1,766,836$47.1M
- Jeremy Grantham (GMO)+590,230$15.7M
- Izzy Englander (Millennium Mgmt)+325,058$8.7M
- Ken Fisher (Fisher Asset Mgmt)+171,450$4.6M
- Mario Gabelli (GAMCO)+17,704$471K
- Two Sigma Investments+8,990$239K
- T. Rowe Price+2,432,737$65K
- Paul Tudor Jones (Tudor Investment)+879$23K
Trimmed2
- Wellington Management−1,490,664$39.7M
- AQR Capital Management−95,068$2.5M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2020Q4 | 18 | $542.3M |
| 2021Q1 | 15 | $839.5M |
| 2021Q2 | 18 | $1.22B |
| 2021Q3 | 13 | $1.17B |
| 2021Q4 | 14 | $565.0M |
| 2022Q1 | 18 | $2.56B |
| 2022Q2 | 19 | $2.45B |
| 2022Q3 | 21 | $2.1M |
| 2022Q4 | 22 | $2.49B |
| 2023Q1 | 21 | $2.06B |
| 2023Q2 | 21 | $2.06B |
| 2023Q3 | 19 | $1.80B |
| 2023Q4 | 17 | $1.47B |
| 2024Q1 | 19 | $1.83B |
| 2024Q2 | 17 | $1.68B |
| 2024Q3 | 15 | $459.8M |
Who owns MRO*
15 super-investors · 2024Q3
Tracked stake
23.57M
shares
Combined value
$460M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added10Trim2Held3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Izzy Englander Millennium Mgmt | 4.20M | $112M |
| 2 | Ken Griffin Citadel Advisors | 3.70M | $99M |
| 3 | D.E. Shaw & Co. | 3.06M | $81M |
| 4 | Ken Fisher Fisher Asset Mgmt | 2.88M | $77M |
| 5 | Jeremy Grantham GMO | 1.44M | $38M |
| 6 | Izzy Englander Millennium Mgmt | 519.7K | $14M |
| 7 | Ken Griffin Citadel Advisors | 410.7K | $11M |
| 8 | Ken Griffin Citadel Advisors | 334.3K | $9M |
| 9 | Izzy Englander Millennium Mgmt | 205.3K | $5M |
| 10 | AQR Capital Management | 203.0K | $5M |
| 11 | Wellington Management | 138.5K | $4M |
| 12 | Two Sigma Investments | 98.6K | $3M |
| 13 | Paul Tudor Jones Tudor Investment | 34.3K | $912K |
| 14 | Mario Gabelli GAMCO | 25.3K | $673K |
| 15 | T. Rowe Price | 6.31M | $168K |
Recent moves
20 transactions
- −138,468 · 2024Q4
- −98,624 · 2024Q4
- −34,255 · 2024Q4
- SOLDD.E. Shaw & Co.−3,058,380 · 2024Q4
- SOLDT. Rowe Price−6,314,059 · 2024Q4
- −202,991 · 2024Q4
- −4,201,411 · 2024Q4
- −25,271 · 2024Q4
- −1,443,416 · 2024Q4
- −2,884,151 · 2024Q4
- +8,990 · 2024Q3
- +1,766,836 · 2024Q3
- −1,490,664 · 2024Q3
- +325,058 · 2024Q3
- +17,704 · 2024Q3
- SOLDD.E. Shaw & Co.−1,523,106 · 2023Q4
- +879 · 2024Q3
- +2,432,737 · 2024Q3
- −95,068 · 2024Q3
- +590,230 · 2024Q3
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