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 Q2	$970K	Buy	+4,225	New	+$897K	﹤0.01%	2814
2025 Q4	–	Sell	-2,518	Closed	-$667K	–	8393
2025 Q3	$779K	Buy	+2,518	New	+$759K	﹤0.01%	3308
2024 Q2	–	Sell	-435	Closed	-$108K	–	8672
2024 Q1	$108K	Sell	435 -8,046	-95%	-$1.93M	﹤0.01%	5494
2023 Q4	$1.91M	Buy	8,481 +3,887	+85%	+$921K	﹤0.01%	2398
2023 Q3	$1.05M	Buy	+4,594	New	+$1.03M	﹤0.01%	2616
2022 Q3	–	Sell	-1,307	Closed	-$232K	–	9805
2022 Q2	$213K	Buy	+1,307	New	+$217K	﹤0.01%	4522
2021 Q4	–	Sell	-2,359	Closed	-$385K	–	10373
2021 Q3	$331K	Hold	2,359	–	–	﹤0.01%	4742
2021 Q2	$330K	Buy	+2,359	New	+$333K	﹤0.01%	4812
2019 Q2	–	Sell	-869	Closed	-$72.5K	–	7016
2019 Q1	$67K	Buy	+869	New	+$66.9K	﹤0.01%	4744
2018 Q3	–	Sell	-5,243	Closed	-$376K	–	7323
2018 Q2	$342K	Buy	5,243 +4,955	+1,720%	+$336K	﹤0.01%	2865
2018 Q1	$19K	Sell	288 -191	-40%	-$12.9K	﹤0.01%	3391
2017 Q4	$30K	Buy	+479	New	+$30.6K	﹤0.01%	2914

Other funds holding AJG

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Simplex Trading's AJG Position: Q2 2026 in Review

Simplex Trading opened a new position in Arthur J. Gallagher & Co (AJG) in Q2 2026: 4,225 shares worth $970K. The stake represents ﹤0.01% of the portfolio and ranks #2814 among its holdings. This is a return to the name: Simplex Trading previously reported a position in AJG as recently as Q3 2025.

Simplex Trading first reported a position in AJG in Q4 2017 and has held it in 12 quarters since. The position peaked at $1.91M in Q4 2023. 1,290 funds tracked by Wall St. Rank hold AJG as of Q2 2026.

Simplex Trading held 4,225 shares of Arthur J. Gallagher & Co worth $970K as of Q2 2026.
Arthur J. Gallagher & Co was a new Simplex Trading position in Q2 2026.
Arthur J. Gallagher & Co made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #2814 holding.
Simplex Trading first reported a position in Arthur J. Gallagher & Co in Q4 2017 and has held it in 12 quarters since.
Simplex Trading's Arthur J. Gallagher & Co position peaked at $1.91M in Q4 2023.
1,290 funds tracked by Wall St. Rank held Arthur J. Gallagher & Co as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.