William Blair & Company’s Arthur J. Gallagher & Co AJG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$16.2M Sell
74,948
-13,790
-16% -$3.19M 0.05% 271
2025
Q4
$23M Sell
88,738
-25,015
-22% -$6.62M 0.06% 220
2025
Q3
$35.2M Sell
113,753
-3,216
-3% -$970K 0.09% 166
2025
Q2
$37.4M Buy
116,969
+18,620
+19% +$6.14M 0.1% 163
2025
Q1
$34M Buy
98,349
+5,850
+6% +$1.85M 0.1% 168
2024
Q4
$26.3M Buy
92,499
+3,465
+4% +$1.01M 0.08% 195
2024
Q3
$25.1M Buy
89,034
+1,474
+2% +$416K 0.07% 200
2024
Q2
$22.7M Buy
87,560
+892
+1% +$221K 0.07% 206
2024
Q1
$21.7M Sell
86,668
-1,228
-1% -$295K 0.07% 203
2023
Q4
$19.8M Buy
87,896
+6,920
+9% +$1.64M 0.07% 206
2023
Q3
$18.5M Sell
80,976
-1,911
-2% -$428K 0.07% 203
2023
Q2
$18.2M Buy
82,887
+1,369
+2% +$285K 0.07% 215
2023
Q1
$15.6M Sell
81,518
-289
-0.4% -$54.8K 0.06% 243
2022
Q4
$15.4M Buy
81,807
+887
+1% +$166K 0.07% 231
2022
Q3
$13.9M Sell
80,920
-1,304
-2% -$231K 0.06% 230
2022
Q2
$13.4M Sell
82,224
-992
-1% -$165K 0.06% 246
2022
Q1
$14.5M Buy
83,216
+202
+0.2% +$32.2K 0.05% 270
2021
Q4
$14.1M Buy
83,014
+846
+1% +$138K 0.04% 284
2021
Q3
$12.2M Sell
82,168
-363
-0.4% -$51.9K 0.04% 293
2021
Q2
$11.6M Sell
82,531
-1,448
-2% -$205K 0.04% 300
2021
Q1
$10.5M Buy
83,979
+83
+0.1% +$10K 0.04% 309
2020
Q4
$10.4M Buy
83,896
+3,049
+4% +$347K 0.04% 293
2020
Q3
$8.54M Sell
80,847
-4,943
-6% -$513K 0.04% 301
2020
Q2
$8.36M Buy
85,790
+4,330
+5% +$383K 0.04% 291
2020
Q1
$6.64M Buy
81,460
+5,277
+7% +$505K 0.04% 282
2019
Q4
$7.25M Buy
76,183
+3,030
+4% +$278K 0.04% 315
2019
Q3
$6.55M Buy
73,153
+917
+1% +$82.4K 0.04% 322
2019
Q2
$6.33M Buy
72,236
+34,138
+90% +$2.85M 0.04% 332
2019
Q1
$2.98M Buy
38,098
+6,853
+22% +$528K 0.02% 465
2018
Q4
$2.3M Buy
31,245
+10,095
+48% +$754K 0.02% 499
2018
Q3
$1.57M Buy
21,150
+12,123
+134% +$869K 0.01% 614
2018
Q2
$589K Buy
9,027
+2,982
+49% +$202K ﹤0.01% 899
2018
Q1
$415K Buy
6,045
+2,018
+50% +$136K ﹤0.01% 977
2017
Q4
$255K Hold
4,027
﹤0.01% 1181
2017
Q3
$248K Buy
4,027
+123
+3% +$7.24K ﹤0.01% 1188
2017
Q2
$224K Buy
+3,904
New +$221K ﹤0.01% 1297
2015
Q1
Sell
-29,637
Closed -$1.4M 2139
2014
Q4
$1.4M Buy
29,637
+3,400
+13% +$159K ﹤0.01% 1380
2014
Q3
$1.19M Buy
26,237
+17,300
+194% +$795K ﹤0.01% 1405
2014
Q2
$416K Sell
8,937
-73
-0.8% -$3.33K ﹤0.01% 1716
2014
Q1
$428K Buy
9,010
+1,140
+14% +$53.2K ﹤0.01% 1661
2013
Q4
$369K Buy
7,870
+155
+2% +$7.2K ﹤0.01% 1683
2013
Q3
$336K Sell
7,715
-165
-2% -$7.25K ﹤0.01% 1691
2013
Q2
$344K Buy
+7,880
New +$341K ﹤0.01% 1625

Other funds holding AJG

William Blair & Company's AJG Position: Q1 2026 in Review

William Blair & Company reduced its Arthur J. Gallagher & Co (AJG) stake by 16% in Q1 2026, selling an estimated $3.19M and leaving 74,948 shares worth $16.2M. The position accounts for 0.05% of the portfolio, ranked #271.

William Blair & Company first reported a position in AJG in Q2 2013 and has held it in 43 quarters since. The position peaked at $37.4M in Q2 2025. 1,242 funds tracked by Wall St. Rank hold AJG as of Q1 2026.

  • William Blair & Company held 74,948 shares of Arthur J. Gallagher & Co worth $16.2M as of Q1 2026.
  • William Blair & Company sold 13,790 Arthur J. Gallagher & Co shares in Q1 2026, an estimated $3.19M.
  • Arthur J. Gallagher & Co made up 0.05% of William Blair & Company's portfolio in Q1 2026, its #271 holding.
  • William Blair & Company first reported a position in Arthur J. Gallagher & Co in Q2 2013 and has held it in 43 quarters since.
  • William Blair & Company's Arthur J. Gallagher & Co position peaked at $37.4M in Q2 2025.
  • 1,242 funds tracked by Wall St. Rank held Arthur J. Gallagher & Co as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.