Simplex Trading
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Simplex Trading’s Arthur J. Gallagher & Co AJG Stock Holding History

Simplex Trading’s Portfolio AJG Stock Details AJG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.79M Buy
12,900
+2,800
+28% +$647K ﹤0.01% 1545
2025
Q4 		$2.61M Sell
10,100
-34,300
-77% -$9.08M ﹤0.01% 1763
2025
Q3 		$13.8M Buy
44,400
+26,500
+148% +$7.99M 0.01% 788
2025
Q2 		$5.73M Sell
17,900
-7,000
-28% -$2.31M ﹤0.01% 1246
2025
Q1 		$8.6M Buy
24,900
+3,200
+15% +$1.01M 0.01% 963
2024
Q4 		$6.16M Buy
21,700
+17,400
+405% +$5.06M ﹤0.01% 1324
2024
Q3 		$1.21M Sell
4,300
-10,300
-71% -$2.9M ﹤0.01% 2751
2024
Q2 		$3.79M Sell
14,600
-3,200
-18% -$794K ﹤0.01% 1638
2024
Q1 		$4.45M Sell
17,800
-3,500
-16% -$841K ﹤0.01% 1703
2023
Q4 		$4.79M Buy
21,300
+7,800
+58% +$1.85M ﹤0.01% 1599
2023
Q3 		$3.08M Sell
13,500
-23,500
-64% -$5.26M ﹤0.01% 1708
2023
Q2 		$8.12M Buy
37,000
+5,000
+16% +$1.04M 0.01% 1020
2023
Q1 		$6.12M Buy
32,000
+8,100
+34% +$1.54M 0.01% 1172
2022
Q4 		$4.51M Sell
23,900
-4,400
-16% -$823K ﹤0.01% 1280
2022
Q3 		$4.84M Buy
28,300
+22,800
+415% +$4.05M 0.01% 1228
2022
Q2 		$896K Buy
5,500
+2,700
+96% +$448K ﹤0.01% 2742
2022
Q1 		$488K Sell
2,800
-10,000
-78% -$1.59M ﹤0.01% 3872
2021
Q4 		$2.17M Buy
12,800
+6,300
+97% +$1.03M ﹤0.01% 1952
2021
Q3 		$912K Hold
6,500
– – ﹤0.01% 3204
2021
Q2 		$910K Buy
6,500
+6,408
+6,965% +$906K ﹤0.01% 3250
2021
Q1 		$1.15M Buy
92
+1
+1% +$121 ﹤0.01% 2237
2020
Q4 		$1.13M Sell
91
-86
-49% -$9.79K ﹤0.01% 2406
2020
Q3 		$1.87M Buy
177
+58
+49% +$6.02K ﹤0.01% 1602
2020
Q2 		$1.16M Buy
119
+68
+133% +$6.02K ﹤0.01% 2010
2020
Q1 		$415K Sell
51
-270
-84% -$25.9K ﹤0.01% 2792
2019
Q4 		$3.06M Buy
321
+294
+1,089% +$26.9K 0.01% 1136
2019
Q3 		$241K Buy
27
+4
+17% +$360 ﹤0.01% 3372
2019
Q2 		$201K Buy
23
+6
+35% +$501 ﹤0.01% 3456
2019
Q1 		$132K Sell
17
-39
-70% -$3K ﹤0.01% 4051
2018
Q4 		$412K Sell
56
-3
-5% -$224 ﹤0.01% 2415
2018
Q3 		$439K Buy
59
+33
+127% +$2.37K ﹤0.01% 2768
2018
Q2 		$169K Buy
+26
New +$1.76K ﹤0.01% 3684
2017
Q4 		– Sell
-46
Closed -$8K – 5900
2017
Q3 		$8K Buy
+46
New +$2.71K ﹤0.01% 3943
2017
Q1 		– Sell
-72
Closed -$12K – 6072
2016
Q4 		$12K Buy
72
+61
+555% +$3.07K ﹤0.01% 3528
2016
Q3 		$1K Buy
11
+7
+175% +$346 ﹤0.01% 5218
2016
Q2 		$1K Sell
4
-53
-93% -$2.46K ﹤0.01% 5178
2016
Q1 		$25K Buy
57
+25
+78% +$998 ﹤0.01% 2584
2015
Q4 		$1K Buy
+32
New +$1.38K ﹤0.01% 4758
2015
Q3 		– Sell
-13
Closed -$2K – 5437
2015
Q2 		$2K Sell
13
-37
-74% -$1.78K ﹤0.01% 4224
2015
Q1 		$12K Buy
50
+41
+456% +$1.92K ﹤0.01% 2762
2014
Q4 		$2K Buy
+9
New +$422 ﹤0.01% 3666

Other funds holding AJG

JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Simplex Trading's AJG Position: Q4 2025 in Review

Simplex Trading sold out of Arthur J. Gallagher & Co (AJG) in Q4 2025, closing a stake of 2,518 shares — an estimated $667K sold.

Simplex Trading first reported a position in AJG in Q4 2017 and held it in 11 quarters. The position peaked at $1.91M in Q4 2023. 1,298 funds tracked by Wall St. Rank hold AJG as of Q4 2025.

  • Simplex Trading reported no remaining Arthur J. Gallagher & Co position as of Q4 2025 after selling out during the quarter.
  • Simplex Trading sold 2,518 Arthur J. Gallagher & Co shares in Q4 2025, an estimated $667K.
  • Simplex Trading first reported a position in Arthur J. Gallagher & Co in Q4 2017 and held it in 11 quarters.
  • Simplex Trading's Arthur J. Gallagher & Co position peaked at $1.91M in Q4 2023.
  • 1,298 funds tracked by Wall St. Rank held Arthur J. Gallagher & Co as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.