Ticker · CUSIP 59522J103
Holders (tracked)
15
Combined shares
12,546,891
Combined value
$1.72B
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
SEC event timeline
24 events
- AQR Capital Management added2026-02-17+335,007 shares · 2025Q413F
- Wellington Management added2026-02-17+283,523 shares · 2025Q413F
- +4,400 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+12,510 shares · 2025Q413F
- Andreas Halvorsen (Viking Global) added2026-02-17+1,234,966 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) added2026-02-17+885,858 shares · 2025Q413F
- Two Sigma Investments exited2026-02-17−1,891 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+715,209 shares · 2025Q413F
- T. Rowe Price trimmed2026-02-17−888 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−128,896 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+5,403,518 shares · 2025Q413F
- Mario Gabelli (GAMCO) trimmed2026-02-05−227 shares · 2025Q413F
- AQR Capital Management trimmed2025-11-14−15,445 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−172,026 shares · 2025Q313F
- Steve Cohen (Point72) exited2025-11-14−38,248 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−1,428 shares · 2025Q313F
- D.E. Shaw & Co. exited2025-11-14−3,895 shares · 2025Q313F
- +2,645,082 shares · 2025Q313F
- T. Rowe Price added2025-11-14+257 shares · 2025Q313F
- Wellington Management added2025-11-14+64,196 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−5,377,295 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+12,518 shares · 2025Q313F
- Mario Gabelli (GAMCO) trimmed2025-11-12−285 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+2,794 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 positions3
- Norges Bank (Norway SWF)+5,403,518$750.6M
- D.E. Shaw & Co.+12,510$1.7M
- Paul Tudor Jones (Tudor Investment)+4,400$611K
Added to5
- Andreas Halvorsen (Viking Global)+1,234,966$171.5M
- Ken Griffin (Citadel Advisors)+885,858$123.1M
- Izzy Englander (Millennium Mgmt)+715,209$99.3M
- AQR Capital Management+335,007$46.5M
- Wellington Management+283,523$39.4M
Trimmed3
- Renaissance Technologies−128,896$17.9M
- Mario Gabelli (GAMCO)−227$32K
- T. Rowe Price−888$123
Exited1
- Two Sigma Investments−1,891$264K
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 18 | $602.17B |
| 2022Q2 | 17 | $502.26B |
| 2022Q3 | 18 | $494.9M |
| 2022Q4 | 15 | $2.36B |
| 2023Q1 | 18 | $2.41B |
| 2023Q2 | 16 | $2.64B |
| 2023Q3 | 14 | $2.20B |
| 2023Q4 | 12 | $2.53B |
| 2024Q1 | 13 | $2.62B |
| 2024Q2 | 13 | $2.82B |
| 2024Q3 | 13 | $926.0M |
| 2024Q4 | 11 | $862.6M |
| 2025Q1 | 14 | $299.6M |
| 2025Q2 | 15 | $950.1M |
| 2025Q3 | 11 | $502.4M |
| 2025Q4 | 15 | $1.72B |
Who owns MAA
15 super-investors · 2025Q4
Tracked stake
12.55M
shares
Combined value
$1.72B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added7Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 5.40M | $751M |
| 2 | Andreas Halvorsen Viking Global | 3.88M | $539M |
| 3 | Ken Griffin Citadel Advisors | 1.15M | $159M |
| 4 | Izzy Englander Millennium Mgmt | 738.1K | $103M |
| 5 | Wellington Management | 603.9K | $84M |
| 6 | AQR Capital Management | 397.5K | $55M |
| 7 | Ken Griffin Citadel Advisors | 79.9K | $11M |
| 8 | Renaissance Technologies | 54.5K | $8M |
| 9 | Ken Griffin Citadel Advisors | 41.0K | $6M |
| 10 | D.E. Shaw & Co. | 12.5K | $2M |
| 11 | Mario Gabelli GAMCO | 7.9K | $1M |
| 12 | D.E. Shaw & Co. | 7.4K | $1M |
| 13 | Paul Tudor Jones Tudor Investment | 2.7K | $375K |
| 14 | Paul Tudor Jones Tudor Investment | 1.7K | $236K |
| 15 | T. Rowe Price | 169.7K | $24K |
Recent moves
20 transactions
- +715,209 · 2025Q4
- +4,400 · 2025Q4
- TRIMT. Rowe Price−888 · 2025Q4
- +12,510 · 2025Q4
- +335,007 · 2025Q4
- +885,858 · 2025Q4
- +1,234,966 · 2025Q4
- +283,523 · 2025Q4
- −1,891 · 2025Q4
- −128,896 · 2025Q4
- +5,403,518 · 2025Q4
- −227 · 2025Q4
- −38,248 · 2025Q3
- +2,645,082 · 2025Q3
- −172,026 · 2025Q3
- −1,428 · 2025Q3
- SOLDD.E. Shaw & Co.−3,895 · 2025Q3
- +257 · 2025Q3
- +64,196 · 2025Q3
- −15,445 · 2025Q3
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