Ticker · CUSIP 577081102
Holders (tracked)
16
Combined shares
44,479,657
Combined value
$753.08M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
23 events
- Ken Griffin (Citadel Advisors) added2026-02-17+73,315 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−168,293 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−3,900 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+649,350 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+4,297,594 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−1,228,455 shares · 2025Q413F
- +227,609 shares · 2025Q413F
- Jeremy Grantham (GMO) added2026-02-17+80,260 shares · 2025Q413F
- AQR Capital Management added2026-02-17+449,958 shares · 2025Q413F
- Southeastern Asset (Longleaf) added2026-02-13+409,032 shares · 2025Q413F
- John Rogers (Ariel Investments) trimmed2026-02-13−1,228,337 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+2,478,955 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2025-11-14−507,360 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−11,400 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+1,019,133 shares · 2025Q313F
- John Rogers (Ariel Investments) trimmed2025-11-14−460,316 shares · 2025Q313F
- Southeastern Asset (Longleaf) added2025-11-14+941,031 shares · 2025Q313F
- T. Rowe Price trimmed2025-11-14−1,041,538 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−2,134,749 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−543,638 shares · 2025Q313F
- Jeremy Grantham (GMO) added2025-11-13+39,799 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−2,822,045 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−169,451 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 positions2
- Norges Bank (Norway SWF)+2,478,955$49.2M
- Paul Tudor Jones (Tudor Investment)+227,609$4.5M
Added to6
- Steve Cohen (Point72)+4,297,594$85.3M
- Izzy Englander (Millennium Mgmt)+649,350$12.9M
- AQR Capital Management+449,958$8.9M
- Southeastern Asset (Longleaf)+409,032$8.1M
- Jeremy Grantham (GMO)+80,260$1.6M
- Ken Griffin (Citadel Advisors)+73,315$1.5M
Trimmed4
- John Rogers (Ariel Investments)−1,228,337$24.4M
- D.E. Shaw & Co.−168,293$3.3M
- Two Sigma Investments−3,900$77K
- T. Rowe Price−1,228,455$24K
Exited0
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Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 17 | $76.41B |
| 2022Q2 | 17 | $73.70B |
| 2022Q3 | 20 | $63.3M |
| 2022Q4 | 19 | $1.35B |
| 2023Q1 | 16 | $1.36B |
| 2023Q2 | 16 | $1.36B |
| 2023Q3 | 14 | $1.39B |
| 2023Q4 | 15 | $1.21B |
| 2024Q1 | 17 | $1.27B |
| 2024Q2 | 16 | $1.08B |
| 2024Q3 | 15 | $588.9M |
| 2024Q4 | 15 | $555.2M |
| 2025Q1 | 14 | $620.0M |
| 2025Q2 | 17 | $701.7M |
| 2025Q3 | 14 | $516.1M |
| 2025Q4 | 16 | $753.1M |
Who owns MAT
16 super-investors · 2025Q4
Tracked stake
44.48M
shares
Combined value
$753M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2Added8Trim5Held1
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | John Rogers Ariel Investments | 12.53M | $249M |
| 2 | Southeastern Asset Longleaf | 8.57M | $170M |
| 3 | Steve Cohen Point72 | 4.34M | $86M |
| 4 | AQR Capital Management | 4.10M | $81M |
| 5 | Norges Bank Norway SWF | 2.48M | $49M |
| 6 | D.E. Shaw & Co. | 2.37M | $47M |
| 7 | Izzy Englander Millennium Mgmt | 2.23M | $44M |
| 8 | Ken Griffin Citadel Advisors | 616.0K | $12M |
| 9 | Paul Tudor Jones Tudor Investment | 227.6K | $5M |
| 10 | Jeremy Grantham GMO | 140.3K | $3M |
| 11 | Ken Griffin Citadel Advisors | 136.3K | $3M |
| 12 | D.E. Shaw & Co. | 100.0K | $2M |
| 13 | Mario Gabelli GAMCO | 46.6K | $925K |
| 14 | Ken Griffin Citadel Advisors | 34.2K | $679K |
| 15 | Two Sigma Investments | 22.0K | $436K |
| 16 | T. Rowe Price | 6.53M | $130K |
Recent moves
20 transactions
- +4,297,594 · 2025Q4
- +80,260 · 2025Q4
- TRIMD.E. Shaw & Co.−168,293 · 2025Q4
- +449,958 · 2025Q4
- −3,900 · 2025Q4
- TRIMT. Rowe Price−1,228,455 · 2025Q4
- +227,609 · 2025Q4
- +649,350 · 2025Q4
- +73,315 · 2025Q4
- −1,228,337 · 2025Q4
- +409,032 · 2025Q4
- +2,478,955 · 2025Q4
- −507,360 · 2025Q3
- TRIMT. Rowe Price−1,041,538 · 2025Q3
- −543,638 · 2025Q3
- −11,400 · 2025Q3
- +1,019,133 · 2025Q3
- +941,031 · 2025Q3
- −460,316 · 2025Q3
- −2,134,749 · 2025Q3
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