Ticker · CUSIP 577933104
Holders (tracked)
11
Combined shares
2,763,347
Combined value
$233.83M
Last close
$69.22
Quarter
2025Q4
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
Price is -18.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
23 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−212,445 shares · 2025Q413F
- Wellington Management trimmed2026-02-17−12,365 shares · 2025Q413F
- Steve Cohen (Point72) added2026-02-17+403,665 shares · 2025Q413F
- AQR Capital Management trimmed2026-02-17−127,662 shares · 2025Q413F
- D.E. Shaw & Co. added2026-02-17+71,847 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−122,483 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−327,608 shares · 2025Q413F
- T. Rowe Price added2026-02-17+2,726 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+43,848 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−100,700 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+699,641 shares · 2025Q413F
- −12,791 shares · 2025Q313F
- AQR Capital Management trimmed2025-11-14−455,265 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+476,106 shares · 2025Q313F
- Steve Cohen (Point72) trimmed2025-11-14−437,127 shares · 2025Q313F
- Two Sigma Investments opened position2025-11-14+168,517 shares · 2025Q313F
- D.E. Shaw & Co. trimmed2025-11-14−35,113 shares · 2025Q313F
- T. Rowe Price added2025-11-14+2,368 shares · 2025Q313F
- Wellington Management added2025-11-14+22,111 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−682,143 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−34,800 shares · 2025Q313F
- Ray Dalio (Bridgewater Associates) added2025-11-13+5,062 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−47,000 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of MMS…
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 | $32.39 | +113.7% | $3.8M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $70.18 | -1.4% | $2.6M |
| Renaissance Technologies | 2016Q1 | $70.63 | -2.0% | $2.2M |
| AQR Capital Management | 2016Q1 | $70.79 | -2.2% | $29.4M |
| Norges Bank (Norway SWF) | 2016Q1 | $73.97 | -6.4% | $48.4M |
| Steve Cohen (Point72) | 2016Q1 | $78.82 | -12.2% | $50.4M |
| D.E. Shaw & Co. | 2016Q1 | $82.19 | -15.8% | $9.0M |
| Wellington Management | 2016Q1 | $83.17 | -16.8% | $25.0M |
| Ray Dalio (Bridgewater Associates) | 2024Q2 | $86.91 | -20.4% | $3.8M |
| Two Sigma Investments | 2016Q4 | $89.24 | -22.4% | $3.2M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $90.92 | -23.9% | $13.5M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+699,641$60.4M
Added to4
- Steve Cohen (Point72)+403,665$34.8M
- D.E. Shaw & Co.+71,847$6.2M
- Ray Dalio (Bridgewater Associates)+43,848$3.8M
- T. Rowe Price+2,726$235
Trimmed6
- Izzy Englander (Millennium Mgmt)−327,608$28.3M
- Ken Griffin (Citadel Advisors)−212,445$18.3M
- AQR Capital Management−127,662$11.0M
- Two Sigma Investments−122,483$10.6M
- Renaissance Technologies−100,700$8.7M
- Wellington Management−12,365$1.1M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 11 | $61.46B |
| 2022Q2 | 11 | $35.59B |
| 2022Q3 | 9 | $30.7M |
| 2022Q4 | 10 | $581.7M |
| 2023Q1 | 11 | $633.2M |
| 2023Q2 | 11 | $661.9M |
| 2023Q3 | 11 | $617.4M |
| 2023Q4 | 10 | $700.1M |
| 2024Q1 | 10 | $759.9M |
| 2024Q2 | 13 | $848.3M |
| 2024Q3 | 12 | $249.5M |
| 2024Q4 | 10 | $218.6M |
| 2025Q1 | 13 | $172.6M |
| 2025Q2 | 11 | $239.1M |
| 2025Q3 | 11 | $222.7M |
| 2025Q4 | 11 | $233.8M |
Who owns MMS
11 super-investors · 2025Q4
Tracked stake
2.76M
shares
Combined value
$234M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added4Trim6
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Steve Cohen Point72 | 727.8K | $63M |
| 2 | Norges Bank Norway SWF | 699.6K | $60M |
| 3 | AQR Capital Management | 424.2K | $37M |
| 4 | Wellington Management | 361.7K | $31M |
| 5 | Izzy Englander Millennium Mgmt | 195.0K | $17M |
| 6 | D.E. Shaw & Co. | 129.4K | $11M |
| 7 | Ray Dalio Bridgewater Associates | 55.3K | $5M |
| 8 | Two Sigma Investments | 46.0K | $4M |
| 9 | Ken Griffin Citadel Advisors | 38.2K | $3M |
| 10 | Renaissance Technologies | 31.5K | $3M |
| 11 | T. Rowe Price | 54.6K | $5K |
Recent moves
20 transactions
- −212,445 · 2025Q4
- +2,726 · 2025Q4
- −122,483 · 2025Q4
- −127,662 · 2025Q4
- +71,847 · 2025Q4
- −12,365 · 2025Q4
- −327,608 · 2025Q4
- +403,665 · 2025Q4
- +43,848 · 2025Q4
- −100,700 · 2025Q4
- +699,641 · 2025Q4
- −12,791 · 2025Q3
- −437,127 · 2025Q3
- TRIMD.E. Shaw & Co.−35,113 · 2025Q3
- −455,265 · 2025Q3
- +476,106 · 2025Q3
- +168,517 · 2025Q3
- +2,368 · 2025Q3
- +22,111 · 2025Q3
- +5,062 · 2025Q3
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