Laurion Capital Management’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
2025
Q3
– Sell
-4,372
Closed -$1.4M – 242
2025
Q2
$1.4M Buy
+4,372
New +$1.44M 0.03% 187
2022
Q1
– Sell
-2,329
Closed -$395K – 527
2021
Q4
$395K Hold
2,329
– – ﹤0.01% 440
2021
Q3
$346K Sell
2,329
-195,371
-99% -$28M ﹤0.01% 595
2021
Q2
$27.7M Buy
+197,700
New +$27.9M 0.15% 124
2020
Q4
– Sell
-20,439
Closed -$2.16M – 618
2020
Q3
$2.16M Buy
20,439
+17,817
+680% +$1.85M 0.03% 302
2020
Q2
$256K Buy
+2,622
New +$232K ﹤0.01% 748
2019
Q2
– Sell
-23,192
Closed -$1.81M – 877
2019
Q1
$1.81M Buy
23,192
+12,340
+114% +$951K 0.02% 358
2018
Q4
$800K Buy
10,852
+3,160
+41% +$236K 0.01% 612
2018
Q3
$573K Buy
+7,692
New +$551K 0.01% 803
2018
Q2
– Sell
-16,856
Closed -$1.16M – 1303
2018
Q1
$1.16M Buy
16,856
+12,500
+287% +$843K 0.01% 796
2017
Q4
$276K Buy
+4,356
New +$278K ﹤0.01% 1346
2017
Q1
– Sell
-55,400
Closed -$2.88M – 1264
2016
Q4
$2.88M Buy
+55,400
New +$2.79M 0.03% 485

Other funds holding AJG

Laurion Capital Management's AJG Position: Q3 2025 in Review

Laurion Capital Management sold out of Arthur J. Gallagher & Co (AJG) in Q3 2025, closing a stake of 4,372 shares — an estimated $1.4M sold.

Laurion Capital Management first reported a position in AJG in Q4 2016 and held it in 12 quarters. The position peaked at $27.7M in Q2 2021. 1,341 funds tracked by Wall St. Rank hold AJG as of Q3 2025.

  • Laurion Capital Management reported no remaining Arthur J. Gallagher & Co position as of Q3 2025 after selling out during the quarter.
  • Laurion Capital Management sold 4,372 Arthur J. Gallagher & Co shares in Q3 2025, an estimated $1.4M.
  • Laurion Capital Management first reported a position in Arthur J. Gallagher & Co in Q4 2016 and held it in 12 quarters.
  • Laurion Capital Management's Arthur J. Gallagher & Co position peaked at $27.7M in Q2 2021.
  • 1,341 funds tracked by Wall St. Rank held Arthur J. Gallagher & Co as of Q3 2025.

Based on Laurion Capital Management's 13F filing for Q3 2025, filed 17 Nov 2025.