Jane Street’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
$30.4M Buy
140,200
+38,800
+38% +$8.96M ﹤0.01% 1429
2025
Q4
$26.2M Buy
101,400
+9,200
+10% +$2.44M ﹤0.01% 1377
2025
Q3
$28.6M Buy
92,200
+3,500
+4% +$1.06M ﹤0.01% 1338
2025
Q2
$28.4M Sell
88,700
-12,500
-12% -$4.12M 0.01% 1135
2025
Q1
$34.9M Buy
101,200
+64,800
+178% +$20.5M 0.01% 892
2024
Q4
$10.3M Sell
36,400
-23,500
-39% -$6.84M ﹤0.01% 1854
2024
Q3
$16.9M Buy
59,900
+4,700
+9% +$1.33M ﹤0.01% 1383
2024
Q2
$14.3M Sell
55,200
-6,600
-11% -$1.64M ﹤0.01% 1630
2024
Q1
$15.5M Buy
61,800
+41,200
+200% +$9.9M ﹤0.01% 1408
2023
Q4
$4.63M Sell
20,600
-19,400
-49% -$4.6M ﹤0.01% 2963
2023
Q3
$9.12M Buy
40,000
+9,700
+32% +$2.17M ﹤0.01% 1876
2023
Q2
$6.65M Sell
30,300
-30,700
-50% -$6.39M ﹤0.01% 2366
2023
Q1
$11.7M Buy
61,000
+31,900
+110% +$6.05M ﹤0.01% 1480
2022
Q4
$5.49M Buy
29,100
+8,900
+44% +$1.66M ﹤0.01% 2354
2022
Q3
$3.46M Buy
20,200
+3,500
+21% +$621K ﹤0.01% 3229
2022
Q2
$2.72M Buy
16,700
+6,500
+64% +$1.08M ﹤0.01% 3612
2022
Q1
$1.78M Sell
10,200
-5,900
-37% -$941K ﹤0.01% 4967
2021
Q4
$2.73M Sell
16,100
-400
-2% -$65.4K ﹤0.01% 3857
2021
Q3
$2.45M Buy
16,500
+2,400
+17% +$343K ﹤0.01% 4057
2021
Q2
$1.98M Sell
14,100
-47,300
-77% -$6.68M ﹤0.01% 4360
2021
Q1
$7.66M Buy
61,400
+53,100
+640% +$6.41M ﹤0.01% 1845
2020
Q4
$1.03M Sell
8,300
-103,200
-93% -$11.8M ﹤0.01% 4607
2020
Q3
$11.8M Sell
111,500
-1,000
-0.9% -$104K 0.01% 1101
2020
Q2
$11M Buy
112,500
+70,400
+167% +$6.23M 0.01% 1128
2020
Q1
$3.43M Buy
42,100
+35,000
+493% +$3.35M ﹤0.01% 1493
2019
Q4
$676K Buy
+7,100
New +$650K ﹤0.01% 3303
2019
Q1
Sell
-3,400
Closed -$251K 4945
2018
Q4
$251K Buy
+3,400
New +$254K ﹤0.01% 4261

Other funds holding AJG

Jane Street's AJG Position: Q1 2026 in Review

Jane Street reduced its Arthur J. Gallagher & Co (AJG) stake by 12% in Q1 2026, selling an estimated $364K and leaving 11,222 shares worth $2.43M. The position accounts for ﹤0.01% of the portfolio, ranked #4719.

Jane Street first reported a position in AJG in Q2 2013 and has held it in 39 quarters since. The position peaked at $527M in Q4 2024. 1,241 funds tracked by Wall St. Rank hold AJG as of Q1 2026.

  • Jane Street held 11,222 shares of Arthur J. Gallagher & Co worth $2.43M as of Q1 2026.
  • Jane Street sold 1,574 Arthur J. Gallagher & Co shares in Q1 2026, an estimated $364K.
  • Arthur J. Gallagher & Co made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #4719 holding.
  • Jane Street first reported a position in Arthur J. Gallagher & Co in Q2 2013 and has held it in 39 quarters since.
  • Jane Street's Arthur J. Gallagher & Co position peaked at $527M in Q4 2024.
  • 1,241 funds tracked by Wall St. Rank held Arthur J. Gallagher & Co as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.