Ken Griffin Arthur J. Gallagher & Co. Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Arthur J. Gallagher & Co. stock. As of the latest transaction made, Citadel Advisors LLC holds 111,218 shares of AJG stock, worth $28.8 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

111,218

Previous 30,696 262.32%

Holding current value

$28.8 Million

Previous $9.83 Million 250.58%

% of portfolio

0.01%

Previous 0.0%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	BUY	$284.17 - $319.49 $22.9 Million - $25.7 Million	80,522 Added 262.32%	111,218 $34.4 Million
Q2 2025 Aug 14, 2025	SELL	$310.86 - $348.77 $527,218 - $591,513	-1,696 Reduced 5.24%	30,696 $9.83 Million
Q1 2025 May 15, 2025	SELL	$275.89 - $345.24 $655 Million - $819 Million	-2,372,904 Reduced 98.65%	32,392 $11.2 Million
Q4 2024 Feb 14, 2025	BUY	$278.49 - $315.16 $662 Million - $749 Million	2,375,510 Added 7975.26%	2,405,296 $683 Million
Q3 2024 Nov 14, 2024	BUY	$259.22 - $299.75 $7.72 Million - $8.93 Million	29,786 New	29,786 $8.38 Million

Q1 2024 May 15, 2024	SELL	$225.0 - $255.87 $41.7 Million - $47.4 Million	-185,196 Reduced 99.24%	1,420 $355,000
Q4 2023 Feb 14, 2024	BUY	$220.11 - $252.92 $1.68 Million - $1.93 Million	7,617 Added 4.26%	186,616 $42 Million
Q3 2023 Nov 14, 2023	BUY	$212.72 - $235.78 $30 Million - $33.3 Million	141,194 Added 373.48%	178,999 $40.8 Million
Q2 2023 Aug 14, 2023	SELL	$193.26 - $219.57 $81.4 Million - $92.5 Million	-421,278 Reduced 91.77%	37,805 $8.3 Million
Q1 2023 May 15, 2023	BUY	$177.09 - $197.47 $28 Million - $31.2 Million	157,850 Added 52.4%	459,083 $87.8 Million
Q4 2022 Feb 14, 2023	BUY	$170.36 - $201.24 $49.8 Million - $58.8 Million	292,254 Added 3254.86%	301,233 $56.8 Million
Q3 2022 Nov 14, 2022	SELL	$161.88 - $191.52 $41.2 Million - $48.7 Million	-254,255 Reduced 96.59%	8,979 $1.54 Million
Q2 2022 Aug 15, 2022	SELL	$149.05 - $184.15 $84 Million - $104 Million	-563,797 Reduced 68.17%	263,234 $42.9 Million
Q1 2022 May 16, 2022	SELL	$149.33 - $174.6 $29.6 Million - $34.6 Million	-197,954 Reduced 19.31%	827,031 $144 Million
Q4 2021 Feb 14, 2022	SELL	$149.24 - $170.44 $55 Million - $62.8 Million	-368,323 Reduced 26.44%	1,024,985 $174 Million
Q3 2021 Nov 15, 2021	BUY	$136.64 - $154.04 $148 Million - $166 Million	1,079,778 Added 344.39%	1,393,308 $207 Million
Q2 2021 Aug 16, 2021	SELL	$126.61 - $151.16 $39.4 Million - $47 Million	-310,935 Reduced 49.79%	313,530 $43.9 Million
Q1 2021 May 17, 2021	BUY	$113.11 - $128.43 $65.1 Million - $73.9 Million	575,139 Added 1166.0%	624,465 $77.9 Million
Q4 2020 Feb 16, 2021	SELL	$103.0 - $128.19 $22.9 Million - $28.5 Million	-222,229 Reduced 81.84%	49,326 $6.1 Million
Q3 2020 Nov 16, 2020	BUY	$96.88 - $107.49 $19.1 Million - $21.2 Million	197,502 Added 266.7%	271,555 $28.7 Million
Q2 2020 Aug 14, 2020	SELL	$74.82 - $101.9 $55.5 Million - $75.5 Million	-741,147 Reduced 90.92%	74,053 $7.22 Million
Q1 2020 May 15, 2020	BUY	$68.24 - $109.16 $12.4 Million - $19.9 Million	182,137 Added 28.77%	815,200 $66.4 Million
Q4 2019 Feb 14, 2020	BUY	$86.33 - $95.67 $54.4 Million - $60.3 Million	630,504 Added 24638.69%	633,063 $60.3 Million
Q3 2019 Nov 14, 2019	SELL	$86.45 - $92.37 $24.5 Million - $26.2 Million	-283,103 Reduced 99.1%	2,559 $229,000
Q2 2019 Aug 14, 2019	SELL	$77.96 - $87.82 $2.91 Million - $3.27 Million	-37,272 Reduced 11.54%	285,662 $25 Million
Q1 2019 May 15, 2019	BUY	$70.54 - $80.64 $1.62 Million - $1.85 Million	22,936 Added 7.65%	322,934 $0
Q3 2018 Nov 13, 2018	BUY	$65.26 - $76.13 $18.6 Million - $21.6 Million	284,321 Added 1813.62%	299,998 $0
Q2 2018 Aug 10, 2018	SELL	$64.77 - $70.62 $2.33 Million - $2.54 Million	-35,996 Reduced 69.66%	15,677 $0
Q1 2018 May 11, 2018	SELL	$62.17 - $72.63 $40.5 Million - $47.3 Million	-650,954 Reduced 92.65%	51,673 $3.55 Million
Q4 2017 Feb 09, 2018	BUY	$61.6 - $66.96 $78,047 - $84,838	1,267 Added 0.18%	702,627 $44.5 Million
Q3 2017 Nov 09, 2017	BUY	$57.68 - $61.63 $40.5 Million - $43.2 Million	701,360	701,360 $43.2 Million

Others Institutions Holding AJG

# of Institutions

1,504

Shares Held

214M

Call Options Held

689K

Put Options Held

324K

View Full List

About Arthur J. Gallagher & Co.

Ticker AJG
Exchange NYSE
Sector Financial Services
Industry Insurance Brokers
Shares Outstandng 210,336,000
Market Cap $54.4B
Description
Arthur J. Gallagher & Co., together with its subsidiaries, provides insurance brokerage, consulting, third-party claims settlement, and administration services in the United States, Australia, Bermuda, Canada, the Caribbean, New Zealand, India, and the United Kingdom. It operates through Brokerage and Risk Management segments. The Brokerage ...

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