Ticker · CUSIP 573075108
Holders (tracked)
7
Combined shares
2,261,910
Combined value
$25.15M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
-3 vs previous quarter over the last 8.
SEC event timeline
16 events
- AQR Capital Management trimmed2026-02-17−45,078 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−99,955 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+272,887 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+261,990 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−96,095 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+190,267 shares · 2025Q413F
- T. Rowe Price added2026-02-17+10,073 shares · 2025Q413F
- Renaissance Technologies exited2026-02-12−516,897 shares · 2025Q413F
- AQR Capital Management added2025-11-14+161,010 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+111,093 shares · 2025Q313F
- Steve Cohen (Point72) added2025-11-14+43,967 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+284,452 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+34,592 shares · 2025Q313F
- T. Rowe Price added2025-11-14+2,095 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+249,547 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−46,500 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions0
—
Added to4
- Two Sigma Investments+272,887$3.1M
- Ken Griffin (Citadel Advisors)+261,990$3.0M
- Steve Cohen (Point72)+190,267$2.2M
- T. Rowe Price+10,073$115
Trimmed3
- D.E. Shaw & Co.−99,955$1.1M
- Izzy Englander (Millennium Mgmt)−96,095$1.1M
- AQR Capital Management−45,078$513K
Exited1
- Renaissance Technologies−516,897$5.5M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 9 | $4.70B |
| 2022Q2 | 8 | $4.04B |
| 2022Q3 | 9 | $7.4M |
| 2022Q4 | 11 | $209.5M |
| 2023Q1 | 13 | $214.7M |
| 2023Q2 | 12 | $207.1M |
| 2023Q3 | 12 | $186.9M |
| 2023Q4 | 10 | $203.5M |
| 2024Q1 | 12 | $194.7M |
| 2024Q2 | 11 | $197.2M |
| 2024Q3 | 11 | $30.1M |
| 2024Q4 | 9 | $22.6M |
| 2025Q1 | 8 | $14.7M |
| 2025Q2 | 10 | $20.8M |
| 2025Q3 | 10 | $24.2M |
| 2025Q4 | 7 | $25.2M |
Who owns MRTN
7 super-investors · 2025Q4
Tracked stake
2.26M
shares
Combined value
$25M
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added4Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Two Sigma Investments | 862.4K | $10M |
| 2 | Ken Griffin Citadel Advisors | 701.1K | $8M |
| 3 | Steve Cohen Point72 | 268.1K | $3M |
| 4 | AQR Capital Management | 205.1K | $2M |
| 5 | D.E. Shaw & Co. | 136.5K | $2M |
| 6 | Izzy Englander Millennium Mgmt | 37.0K | $421K |
| 7 | T. Rowe Price | 51.7K | $589 |
Recent moves
20 transactions
- TRIMD.E. Shaw & Co.−99,955 · 2025Q4
- +10,073 · 2025Q4
- +272,887 · 2025Q4
- +190,267 · 2025Q4
- −45,078 · 2025Q4
- +261,990 · 2025Q4
- −96,095 · 2025Q4
- −516,897 · 2025Q4
- +34,592 · 2025Q3
- +2,095 · 2025Q3
- +111,093 · 2025Q3
- +43,967 · 2025Q3
- +161,010 · 2025Q3
- +284,452 · 2025Q3
- +249,547 · 2025Q3
- −46,500 · 2024Q3
- +33,860 · 2025Q2
- −24,636 · 2025Q2
- +23,763 · 2025Q2
- TRIMD.E. Shaw & Co.−195,600 · 2025Q2
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