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Arthur J. Gallagher & Co. shares owned by Marshall Wace

Quarter-by-quarter ownership of Arthur J. Gallagher & Co. (AJG) shares owned by Marshall Wace from 13F filings

Historical chart of Marshall Wace investment in Arthur J. Gallagher & Co.

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All positions including Arthur J. Gallagher & Co. held by Marshall Wace consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Arthur J. Gallagher & Co. by Marshall Wace

Quarter filed Position value Share count Share price at filing
2025-09-30 $31M 100k 309.74
2025-06-30 $47M 147k 320.12
2025-03-31 $85M 245k 345.24
2024-12-31 $87M 306k 283.85
2024-09-30 $4.5M 16k 281.37
2024-06-30 $10M 39k 259.31
2024-03-31 $11M 46k 250.04
2023-12-31 $1.7M 7.4k 224.88
2023-06-30 $11M 50k 219.57
2023-03-31 $328k 1.7k 191.31
2022-06-30 $4.8M 29k 163.04
2021-12-31 $17M 102k 169.67
2021-06-30 $15M 105k 140.08
2020-09-30 $538k 5.1k 105.49
2020-03-31 $1.4M 17k 81.50
2019-12-31 $225k 2.4k 95.06
2018-06-30 $336k 5.1k 65.36
2018-03-31 $16M 232k 68.73
2016-12-31 $2.4M 47k 51.96
2014-09-30 $887k 20k 45.25