Ticker · CUSIP 553498106
Holders (tracked)
11
Combined shares
2,549,027
Combined value
$408.20M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
11132024Q12025Q4

SEC event timeline

18 events
  1. +7,292 shares · 2025Q4
    Position
  2. +33,846 shares · 2025Q4
    Position
  3. −49,475 shares · 2025Q4
    Position
  4. +5,531 shares · 2025Q4
    Position
  5. −301,744 shares · 2025Q4
    Position
  6. +106,349 shares · 2025Q4
    Position
  7. +417,620 shares · 2025Q4
    Position
  8. +24 shares · 2025Q4
    Position
  9. −13,854 shares · 2025Q4
    Position
  10. −9,418 shares · 2025Q3
    Position
  11. +756,219 shares · 2025Q3
    Position
  12. +41,467 shares · 2025Q3
    Position
  13. −3,841 shares · 2025Q3
    Position
  14. −754,502 shares · 2025Q3
    Position
  15. −3,800 shares · 2025Q3
    Position
  16. −311,390 shares · 2025Q3
    Position
  17. −26,266 shares · 2024Q3
    Position
  18. −10,091 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
Trimmed3
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
11
$38.55B
2022Q2
12
$34.65B
2022Q3
12
$428.3M
2022Q4
11
$592.4M
2023Q1
13
$546.3M
2023Q2
11
$665.6M
2023Q3
12
$678.7M
2023Q4
14
$798.2M
2024Q1
13
$950.0M
2024Q2
12
$915.9M
2024Q3
12
$303.3M
2024Q4
11
$343.7M
2025Q1
10
$231.2M
2025Q2
9
$431.4M
2025Q3
7
$403.0M
2025Q4
11
$408.2M

Who owns MSA

11 super-investors · 2025Q4
Tracked stake
2.55M
shares
Combined value
$408M
% of shares outstanding
shares-out unknown
Quarter action mix
New3Added3Trim5
#ManagerSharesValue
1Ruane, Cunniff & Goldfarb
Sequoia
1.81M$290M
2Norges Bank
Norway SWF
417.6K$67M
3T. Rowe Price91.5K$15M
4Baillie Gifford & Co69.1K$11M
5Izzy Englander
Millennium Mgmt
59.8K$10M
6AQR Capital Management49.3K$8M
7D.E. Shaw & Co.33.8K$5M
8Ken Griffin
Citadel Advisors
13.1K$2M
9Ken Griffin
Citadel Advisors
1.6K$256K
10Ken Griffin
Citadel Advisors
1.5K$240K
11First Eagle Investment Management24$4K

Recent moves

20 transactions
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