Arthur J. Gallagher & Co.

AJG

Exchange: NYSE
Industry: Insurance Agents, Brokers & Service
SEC CIK: 0000354190

SEC filings (opens in a new tab)

In the last 90 days, Arthur J. Gallagher & Co. insiders filed 0 open-market purchases and 4 sales; 1,295 institutions reported holding it in 13F filings for Q2 2026, worth $54.7B in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 732; No complete 13F data for Q4 2020
Shares held: 165.4M; No complete 13F data for Q4 2020
Total value: $20.6B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting AJG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 732 institutions

Value heldQ1 2021: $20.6B

Institutions holding AJG and their total value by quarter
Quarter	Holders	Value
Q2 2026	1,295	$54.7B
Q1 2026	1,248	$49.7B
Q4 2025	1,299	$60.6B
Q3 2025	1,342	$69.7B
Q2 2025	1,380	$72.9B
Q1 2025	1,360	$79.0B
Q4 2024	1,325	$65.9B
Q3 2024	1,203	$52.8B
Q2 2024	1,153	$49.1B
Q1 2024	1,130	$46.5B
Q4 2023	1,082	$41.9B
Q3 2023	999	$42.3B
Q2 2023	976	$39.9B
Q1 2023	951	$34.7B
Q4 2022	921	$34.1B
Q3 2022	865	$31.2B
Q2 2022	823	$29.1B
Q1 2022	817	$31.0B
Q4 2021	854	$30.1B
Q3 2021	775	$26.3B
Q2 2021	779	$24.6B
Q1 2021	732	$20.6B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding AJG in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
First Citizens Bank & Trust Co	11,988	$1.50M	0.07%	–	–
Louisiana State Employees Retirement System	12,000	$1.50M	0.04%	–	–
Sitrin Capital Management LLC	12,063	$1.50M	0.71%	–	–
SRB Corp	12,143	$1.51M	0.10%	–	–
New Vernon Investment Management LLC	12,141	$1.51M	2.51%	–	–
New Mexico Educational Retirement Board	12,150	$1.52M	0.06%	–	–
Avantax Advisory Services, Inc.	12,500	$1.56M	0.03%	–	–
RFG Advisory, LLC	12,641	$1.58M	0.17%	–	–
Old North State Trust, LLC	12,638	$1.58M	1.25%	–	–
First National Bank of Omaha	12,674	$1.58M	0.08%	–	–
ING Groep NV	12,827	$1.60M	0.03%	–	–
Janney Montgomery Scott LLC	12,833	$1.60M	0.01%	–	–
Cabot Wealth Management Inc	12,847	$1.60M	0.23%	–	–
Sumitomo Mitsui DS Asset Management Company, Ltd	13,001	$1.62M	0.04%	–	–
Achmea Investment Management B.V.	13,077	$1.63M	0.06%	–	–
Summit Global Investments	13,303	$1.66M	0.11%	–	–
Keeley-Teton Advisors, LLC	13,386	$1.67M	0.18%	–	–
Cubist Systematic Strategies, LLC	13,516	$1.69M	0.02%	–	–
Flputnam Investment Management Co	13,692	$1.71M	0.07%	–	–
Sirios Capital Management L P	13,707	$1.71M	0.14%	–	–
Blueshift Asset Management, LLC	13,840	$1.73M	0.18%	–	–
Elo Mutual Pension Insurance Co	13,875	$1.73M	0.06%	–	–
Sheaff Brock Investment Advisors, LLC	14,100	$1.76M	0.19%	–	–
Sciencast Management LP	13,895	$1.82M	0.36%	–	–
Maryland State Retirement & Pension System	14,612	$1.82M	0.06%	–	–
Teachers Retirement System of the State of Kentucky	15,050	$1.88M	0.02%	–	–
First American Bank	15,068	$1.88M	0.12%	–	–
Whittier Trust Co	15,101	$1.88M	0.04%	–	–
Meiji Yasuda Asset Management Co Ltd.	15,890	$1.98M	0.15%	–	–
Ancora Advisors, LLC	15,902	$1.98M	0.06%	–	–
Oregon Public Employees Retirement Fund	15,987	$2.00M	0.02%	–	–
Ferguson Wellman Capital Management, Inc	16,089	$2.01M	0.07%	–	–
Securian Asset Management, Inc	16,491	$2.06M	0.04%	–	–
Barbara Oil Co.	16,500	$2.06M	0.99%	–	–
Ellsworth Advisors, LLC	16,585	$2.07M	1.24%	–	–
Fifth Third Bancorp	16,911	$2.11M	0.01%	–	–
Busey Wealth Management	17,509	$2.19M	0.11%	–	–
Legacy Wealth Management, LLC	17,518	$2.19M	1.32%	–	–
Tower Research Capital LLC (TRC)	17,615	$2.20M	0.04%	–	–
Public Sector Pension Investment Board	18,323	$2.29M	0.02%	–	–
Origin Asset Management LLP	19,100	$2.38M	0.24%	–	–
Nissay Asset Management Corp	19,350	$2.41M	0.02%	–	–
Cambridge Investment Research Advisors, Inc.	19,404	$2.42M	0.01%	–	–
Private Advisor Group, LLC	19,482	$2.43M	0.02%	–	–
Athanor Capital, LP	19,510	$2.43M	0.10%	–	–
Park Avenue Securities LLC	19,774	$2.47M	0.06%	–	–
Edmond de Rothschild Holding S.A.	19,836	$2.48M	0.07%	–	–
TD Private Client Wealth LLC	19,847	$2.48M	0.12%	–	–
SG Americas Securities, LLC	20,078	$2.50M	0.02%	–	–
Mariner, LLC	20,156	$2.52M	0.02%	–	–
Ballew Advisors, Inc	20,000	$2.53M	0.93%	–	–
Alberta Investment Management Corp	20,500	$2.56M	0.02%	–	–
Trust Co of Toledo NA	20,606	$2.57M	0.46%	–	–
Stonebridge Capital Management Inc	20,850	$2.60M	0.99%	–	–
IFM Investors Pty Ltd	21,096	$2.63M	0.07%	–	–
Hartford Investment Management Co	21,106	$2.63M	0.07%	–	–
First Republic Investment Management, Inc.	21,182	$2.64M	0.01%	–	–
Commerce Bank	21,344	$2.66M	0.02%	–	–
Edgestream Partners, L.P.	21,804	$2.72M	0.15%	–	–
Crossmark Global Holdings, Inc.	22,060	$2.75M	0.07%	–	–
Andesa Financial Management Inc.	22,390	$2.79M	0.91%	–	–
Geneos Wealth Management Inc.	19,355	$2.81M	0.08%	–	–
Ensign Peak Advisors, Inc	22,990	$2.87M	0.01%	–	–
The PNC Financial Services Group, Inc.	23,198	$2.90M	0.00%	–	–
Richard Bernstein Advisors LLC	23,291	$2.90M	0.07%	–	–
Metropolitan Life Insurance Co	23,664	$2.95M	0.04%	–	–
Segment Wealth Management, LLC	23,778	$2.97M	0.39%	–	–
DnB Asset Management AS	23,795	$2.97M	0.02%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	24,231	$3.02M	0.04%	–	–
Assenagon Asset Management S.A.	24,661	$3.08M	0.02%	–	–
Mutual of America Capital Management LLC	25,061	$3.13M	0.03%	–	–
Public Employees Retirement Association of Colorado	25,603	$3.19M	0.01%	–	–
Brookmont Capital Management	25,657	$3.20M	2.06%	–	–
Eastern Bank	25,827	$3.22M	0.17%	–	–
Commonwealth Equity Services, LLC	25,980	$3.24M	0.01%	–	–
CWM, LLC	24,127	$3.38M	0.03%	–	–
Central Trust Co	27,100	$3.38M	0.13%	–	–
Employees Retirement System of Texas	27,236	$3.40M	0.04%	–	–
Roosevelt Investment Group LLC	29,183	$3.64M	0.24%	–	–
Advisors Asset Management, Inc.	29,595	$3.69M	0.06%	–	–
Bollard Group LLC	29,717	$3.71M	0.13%	–	–
Ci Investments Inc.	29,824	$3.72M	0.02%	–	–
Family Legacy, Inc.	29,862	$3.73M	1.78%	–	–
Westwood Holdings Group Inc.	29,956	$3.74M	0.04%	–	–
Crestline Management, LP	30,259	$3.77M	0.48%	–	–
State of Alaska, Department of Revenue	30,354	$3.79M	0.04%	–	–
Vestcor Inc	30,425	$3.80M	0.14%	–	–
Hantz Financial Services, Inc.	31,151	$3.89M	0.16%	–	–
Three Peaks Capital Management, LLC	31,165	$3.89M	1.23%	–	–
British Columbia Investment Management Corp	31,493	$3.93M	0.03%	–	–
Mackay Shields LLC	32,116	$4.01M	0.03%	–	–
Texas Permanent School Fund	32,351	$4.04M	0.05%	–	–
Bradley Foster & Sargent Inc	32,435	$4.05M	0.10%	–	–
James Investment Research Inc	32,529	$4.06M	0.37%	–	–
CIBC World Markets Inc.	32,749	$4.09M	0.01%	–	–
Jackson Wealth Management, LLC	32,965	$4.11M	0.62%	–	–
KG&L Capital Management,LLC	33,360	$4.16M	2.10%	–	–
Gulf International Bank (UK) Ltd	33,413	$4.17M	0.06%	–	–
People's United Financial, Inc.	33,482	$4.18M	0.10%	–	–
CIBC Asset Management Inc	33,665	$4.20M	0.02%	–	–