Ticker · CUSIP 57686G105
Holders (tracked)
11
Combined shares
1,114,130
Combined value
$133.51M
Last close
$174.63
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
Price is +45.7% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
20 events
- AQR Capital Management trimmed2026-02-17−11,101 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−86,315 shares · 2025Q413F
- T. Rowe Price added2026-02-17+236 shares · 2025Q413F
- Jeremy Grantham (GMO) added2026-02-17+332 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+956 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−55,433 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−372,214 shares · 2025Q413F
- −12,373 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+6,700 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+139,829 shares · 2025Q413F
- AQR Capital Management added2025-11-14+68,342 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+269,310 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+71,313 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+244,437 shares · 2025Q313F
- T. Rowe Price added2025-11-14+1,618 shares · 2025Q313F
- −7,259 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−28,300 shares · 2025Q313F
- Jeremy Grantham (GMO) trimmed2025-11-13−1,594 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−91,591 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+7,230 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of MATX…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $25.71 | +579.3% | $5.9M |
| Renaissance Technologies | 2016Q1 | $65.69 | +165.8% | $1.2M |
| Jeremy Grantham (GMO) | 2016Q1 | $93.21 | +87.3% | $897K |
| AQR Capital Management | 2016Q1 | $106.20 | +64.4% | $14.8M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $107.52 | +62.4% | $14.5M |
| Two Sigma Investments | 2016Q1 | $108.26 | +61.3% | $9.3M |
| D.E. Shaw & Co. | 2016Q1 | $110.64 | +57.8% | $78.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $122.68 | +42.3% | $2.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $122.68 | +42.3% | $2.0M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $122.68 | +42.3% | $2.0M |
| Norges Bank (Norway SWF) | 2016Q1 | $1002.15 | -82.6% | $24.4M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions2
- Norges Bank (Norway SWF)+139,829$17.3M
- Renaissance Technologies+6,700$828K
Added to3
- Ken Griffin (Citadel Advisors)+956$118K
- Jeremy Grantham (GMO)+332$41K
- T. Rowe Price+236$29
Trimmed4
- Izzy Englander (Millennium Mgmt)−372,214$46.0M
- D.E. Shaw & Co.−86,315$10.7M
- Two Sigma Investments−55,433$6.8M
- AQR Capital Management−11,101$1.4M
Exited1
- Ray Dalio (Bridgewater Associates)−12,373$1.2M
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $19.68B |
| 2022Q2 | 11 | $11.55B |
| 2022Q3 | 12 | $9.2M |
| 2022Q4 | 13 | $429.5M |
| 2023Q1 | 13 | $408.7M |
| 2023Q2 | 12 | $496.2M |
| 2023Q3 | 12 | $548.4M |
| 2023Q4 | 10 | $708.4M |
| 2024Q1 | 11 | $664.4M |
| 2024Q2 | 13 | $784.2M |
| 2024Q3 | 12 | $67.0M |
| 2024Q4 | 12 | $79.0M |
| 2025Q1 | 10 | $69.0M |
| 2025Q2 | 13 | $91.2M |
| 2025Q3 | 10 | $149.6M |
| 2025Q4 | 11 | $133.5M |
Who owns MATX
11 super-investors · 2025Q4
Tracked stake
1.11M
shares
Combined value
$134M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added5Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 448.3K | $55M |
| 2 | Ken Griffin Citadel Advisors | 239.8K | $30M |
| 3 | Norges Bank Norway SWF | 139.8K | $17M |
| 4 | AQR Capital Management | 84.5K | $10M |
| 5 | Izzy Englander Millennium Mgmt | 82.9K | $10M |
| 6 | Two Sigma Investments | 53.5K | $7M |
| 7 | Ken Griffin Citadel Advisors | 11.3K | $1M |
| 8 | Ken Griffin Citadel Advisors | 8.7K | $1M |
| 9 | Renaissance Technologies | 6.7K | $828K |
| 10 | Jeremy Grantham GMO | 5.1K | $635K |
| 11 | T. Rowe Price | 33.6K | $4K |
Recent moves
20 transactions
- +236 · 2025Q4
- −372,214 · 2025Q4
- −55,433 · 2025Q4
- −11,101 · 2025Q4
- +332 · 2025Q4
- TRIMD.E. Shaw & Co.−86,315 · 2025Q4
- +956 · 2025Q4
- −12,373 · 2025Q4
- +6,700 · 2025Q4
- +139,829 · 2025Q4
- +71,313 · 2025Q3
- +244,437 · 2025Q3
- +269,310 · 2025Q3
- +1,618 · 2025Q3
- +68,342 · 2025Q3
- −91,591 · 2025Q3
- −1,594 · 2025Q3
- −28,300 · 2025Q3
- −7,259 · 2025Q3
- +7,230 · 2024Q3
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