Ticker · CUSIP 577128101
Holders (tracked)
7
Combined shares
1,953,840
Combined value
$48.92M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
SEC event timeline
13 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−77,290 shares · 2025Q413F
- Two Sigma Investments added2026-02-17+15,786 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−11,758 shares · 2025Q413F
- T. Rowe Price added2026-02-17+606 shares · 2025Q413F
- Renaissance Technologies opened position2026-02-12+95,486 shares · 2025Q413F
- Mario Gabelli (GAMCO) added2026-02-05+136,794 shares · 2025Q413F
- +35,887 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+7,180 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−12,018 shares · 2025Q313F
- T. Rowe Price added2025-11-14+595 shares · 2025Q313F
- Renaissance Technologies exited2025-11-13−40,653 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−141,985 shares · 2024Q313F
- Mario Gabelli (GAMCO) added2025-11-12+31,266 shares · 2025Q313F
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 positions1
- Renaissance Technologies+95,486$2.5M
Added to3
- Mario Gabelli (GAMCO)+136,794$3.6M
- Two Sigma Investments+15,786$412K
- T. Rowe Price+606$16
Trimmed2
- Ken Griffin (Citadel Advisors)−77,290$2.0M
- Izzy Englander (Millennium Mgmt)−11,758$307K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 10 | $9.35B |
| 2022Q2 | 11 | $7.22B |
| 2022Q3 | 9 | $5.6M |
| 2022Q4 | 12 | $203.6M |
| 2023Q1 | 12 | $230.3M |
| 2023Q2 | 12 | $268.5M |
| 2023Q3 | 12 | $237.7M |
| 2023Q4 | 12 | $231.1M |
| 2024Q1 | 10 | $195.4M |
| 2024Q2 | 13 | $162.5M |
| 2024Q3 | 11 | $39.1M |
| 2024Q4 | 9 | $40.4M |
| 2025Q1 | 9 | $32.9M |
| 2025Q2 | 6 | $38.7M |
| 2025Q3 | 6 | $41.6M |
| 2025Q4 | 7 | $48.9M |
Who owns MATW
7 super-investors · 2025Q4
Tracked stake
1.95M
shares
Combined value
$49M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added3Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Mario Gabelli GAMCO | 1.55M | $41M |
| 2 | Renaissance Technologies | 95.5K | $2M |
| 3 | Ken Griffin Citadel Advisors | 87.0K | $2M |
| 4 | Ken Griffin Citadel Advisors | 78.2K | $2M |
| 5 | Two Sigma Investments | 33.8K | $884K |
| 6 | Izzy Englander Millennium Mgmt | 24.1K | $630K |
| 7 | T. Rowe Price | 81.1K | $2K |
Recent moves
20 transactions
- +606 · 2025Q4
- −77,290 · 2025Q4
- −11,758 · 2025Q4
- +15,786 · 2025Q4
- +95,486 · 2025Q4
- +136,794 · 2025Q4
- SOLDD.E. Shaw & Co.−12,018 · 2025Q3
- +595 · 2025Q3
- +7,180 · 2025Q3
- +35,887 · 2025Q3
- −40,653 · 2025Q3
- −141,985 · 2024Q3
- +31,266 · 2025Q3
- −14,258 · 2025Q2
- −19,088 · 2025Q2
- TRIMD.E. Shaw & Co.−56,720 · 2025Q2
- +1,622 · 2025Q2
- −9,200 · 2025Q2
- +137,189 · 2025Q2
- −69,202 · 2025Q1
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