Arthur J. Gallagher & Co. shares owned by William Blair Investment Management
Quarter-by-quarter ownership of Arthur J. Gallagher & Co. (AJG) shares owned by William Blair Investment Management
from 13F filings
Historical chart of William Blair Investment Management investment in Arthur J. Gallagher & Co.
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Quarterly reported holdings in Arthur J. Gallagher & Co. by William Blair Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $4.2M | 14k | 309.74 |
| 2025-06-30 | $11M | 33k | 320.12 |
| 2025-03-31 | $25M | 72k | 345.24 |
| 2024-12-31 | $15M | 53k | 283.85 |
| 2021-06-30 | $25M | 181k | 140.08 |
| 2021-03-31 | $24M | 189k | 124.77 |
| 2020-12-31 | $24M | 195k | 123.71 |
| 2020-09-30 | $26M | 248k | 105.58 |
| 2020-06-30 | $31M | 313k | 97.49 |
| 2020-03-31 | $27M | 329k | 81.51 |
| 2019-12-31 | $26M | 275k | 95.23 |
| 2019-09-30 | $28M | 314k | 89.57 |
| 2019-06-30 | $32M | 363k | 87.59 |
| 2019-03-31 | $25M | 318k | 78.10 |
| 2018-12-31 | $25M | 340k | 73.70 |
| 2018-09-30 | $72M | 960k | 74.44 |
| 2018-06-30 | $4.7M | 72k | 65.27 |
| 2018-03-31 | $5.0M | 73k | 68.73 |
| 2017-12-31 | $4.3M | 68k | 63.29 |
| 2017-09-30 | $3.5M | 57k | 61.54 |
| 2017-06-30 | $2.4M | 42k | 57.24 |
More positions owned by William Blair Investment Management
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