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

Mariner’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	$4.85M	Sell	22,407 -26,378	-54%	-$6.09M	0.01%	1071
2025 Q4	$12.6M	Sell	48,785 -11,932	-20%	-$3.16M	0.02%	599
2025 Q3	$18.8M	Sell	60,717 -3,325	-5%	-$1M	0.02%	438
2025 Q2	$20.5M	Buy	64,042 +3,990	+7%	+$1.32M	0.03%	406
2025 Q1	$20.7M	Sell	60,052 -355	-0.6%	-$112K	0.03%	370
2024 Q4	$17.1M	Buy	60,407 +3,636	+6%	+$1.06M	0.03%	402
2024 Q3	$16M	Buy	56,771 +2,677	+5%	+$755K	0.03%	411
2024 Q2	$14M	Buy	54,094 +4,632	+9%	+$1.15M	0.03%	416
2024 Q1	$12.4M	Buy	49,462 +4,840	+11%	+$1.16M	0.03%	447
2023 Q4	$10M	Buy	44,622 +6,745	+18%	+$1.6M	0.02%	471
2023 Q3	$8.63M	Buy	37,877 +946	+3%	+$212K	0.02%	478
2023 Q2	$8.11M	Buy	36,931 +88	+0.2%	+$18.3K	0.02%	497
2023 Q1	$7.05M	Buy	36,843 +387	+1%	+$73.4K	0.02%	529
2022 Q4	$6.87M	Buy	36,456 +1,564	+4%	+$293K	0.02%	500
2022 Q3	$5.97M	Buy	34,892 +3,027	+9%	+$537K	0.02%	459
2022 Q2	$5.2M	Buy	31,865 +338	+1%	+$56.1K	0.02%	477
2022 Q1	$5.5M	Buy	31,527 +4,831	+18%	+$770K	0.02%	471
2021 Q4	$4.53M	Buy	26,696 +3,668	+16%	+$599K	0.02%	459
2021 Q3	$3.42M	Buy	23,028 +3,306	+17%	+$473K	0.02%	434
2021 Q2	$2.76M	Sell	19,722 -434	-2%	-$61.3K	0.02%	419
2021 Q1	$2.52M	Sell	20,156 -174	-0.9%	-$21K	0.02%	412
2020 Q4	$2.52M	Buy	20,330 +6,705	+49%	+$764K	0.02%	387
2020 Q3	$1.44M	Buy	13,625 +172	+1%	+$17.8K	0.01%	427
2020 Q2	$1.31M	Buy	13,453 +1,644	+14%	+$146K	0.01%	443
2020 Q1	$963K	Sell	11,809 -1,864	-14%	-$178K	0.01%	485
2019 Q4	$1.3M	Sell	13,673 -83	-0.6%	-$7.6K	0.01%	465
2019 Q3	$1.23M	Sell	13,756 -111	-0.8%	-$9.98K	0.01%	444
2019 Q2	$1.22M	Buy	13,867 +251	+2%	+$20.9K	0.01%	496
2019 Q1	$1.06M	Buy	13,616 +8,355	+159%	+$644K	0.02%	479
2018 Q4	$388K	Buy	5,261 +350	+7%	+$26.1K	0.01%	624
2018 Q3	$366K	Sell	4,911 -127	-3%	-$9.11K	0.01%	612
2018 Q2	$329K	Sell	5,038 -254	-5%	-$17.2K	0.01%	624
2018 Q1	$364K	Buy	5,292 +1,147	+28%	+$77.4K	0.01%	491
2017 Q4	$262K	Sell	4,145 -42	-1%	-$2.68K	0.01%	483
2017 Q3	$258K	Sell	4,187 -372	-8%	-$21.9K	0.01%	431
2017 Q2	$261K	Buy	4,559 +56	+1%	+$3.17K	0.01%	428
2017 Q1	$255K	Buy	+4,503	New	+$248K	0.01%	496
2016 Q4	–	Sell	-4,309	Closed	-$219K	–	571
2016 Q3	$219K	Buy	+4,309	New	+$213K	0.01%	535

Other funds holding AJG

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mariner's AJG Position: Q1 2026 in Review

Mariner reduced its Arthur J. Gallagher & Co (AJG) stake by 54% in Q1 2026, selling an estimated $6.09M and leaving 22,407 shares worth $4.85M. The position accounts for 0.01% of the portfolio, ranked #1071.

Mariner first reported a position in AJG in Q3 2016 and has held it in 38 quarters since. The position peaked at $20.7M in Q1 2025. 1,240 funds tracked by Wall St. Rank hold AJG as of Q1 2026.

Mariner held 22,407 shares of Arthur J. Gallagher & Co worth $4.85M as of Q1 2026.
Mariner sold 26,378 Arthur J. Gallagher & Co shares in Q1 2026, an estimated $6.09M.
Arthur J. Gallagher & Co made up 0.01% of Mariner's portfolio in Q1 2026, its #1071 holding.
Mariner first reported a position in Arthur J. Gallagher & Co in Q3 2016 and has held it in 38 quarters since.
Mariner's Arthur J. Gallagher & Co position peaked at $20.7M in Q1 2025.
1,240 funds tracked by Wall St. Rank held Arthur J. Gallagher & Co as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.