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	1,341	$69.7B
Q2 2025	1,379	$72.9B
Q1 2025	1,359	$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
Hexavest Inc.	43,917	$5.48M	0.24%	–	–
MRJ Capital Inc	43,641	$5.45M	3.40%	–	–
Marks Group Wealth Management, Inc	43,767	$5.43M	0.80%	–	–
Nisa Investment Advisors, LLC	43,520	$5.43M	0.03%	–	–
Sit Investment Associates Inc	43,045	$5.37M	0.14%	–	–
Los Angeles Capital Management LLC	42,885	$5.35M	0.02%	–	–
Alley Co LLC	42,389	$5.29M	1.04%	–	–
Daiwa Securities Group Inc.	42,177	$5.26M	0.04%	–	–
Strategy Asset Managers LLC	41,927	$5.23M	1.20%	–	–
Raymond James Financial Services Advisors, Inc.	41,735	$5.21M	0.01%	–	–
Mastrapasqua Asset Management Inc	41,638	$5.20M	0.61%	–	–
TownSquare Capital, LLC	40,909	$5.10M	0.20%	–	–
Interval Partners, LP	40,800	$5.09M	0.33%	–	–
Forsta Ap-Fonden	40,800	$5.09M	0.07%	–	–
Dai-Ichi Life Insurance Company, Ltd	40,679	$5.08M	0.07%	–	–
Kiwi Wealth Investments Limited Partnership	40,050	$5.00M	0.29%	–	–
FineMark National Bank & Trust	39,809	$4.97M	0.21%	–	–
M&T Bank Corp	39,637	$4.95M	0.02%	–	–
Sigma Investment Counselors Inc	38,602	$4.82M	0.39%	–	–
Susquehanna International Group, LLP	37,834	$4.72M	0.01%	–	–
Douglass Winthrop Advisors, LLC	37,312	$4.66M	0.12%	–	–
Little House Capital LLC	37,285	$4.65M	1.64%	–	–
Harrell Investment Partners, LLC	37,285	$4.65M	1.64%	–	–
Cullen/Frost Bankers, Inc.	36,984	$4.61M	0.10%	–	–
Utah Retirement Systems	36,630	$4.57M	0.06%	–	–
Philadelphia Financial Management of San Francisco, LLC	36,230	$4.52M	1.37%	–	–
Nomura Asset Management Co Ltd	35,677	$4.45M	0.03%	–	–
Northwest & Ethical Investments L.P.	35,369	$4.41M	0.15%	–	–
HighTower Advisors, LLC	35,409	$4.40M	0.01%	–	–
Beck Mack & Oliver LLC	35,000	$4.37M	0.13%	–	–
North Star Investment Management Corp.	34,001	$4.24M	0.40%	–	–
Levy Wealth Management Group, LLC	33,824	$4.22M	2.77%	–	–
CIBC Asset Management Inc	33,665	$4.20M	0.02%	–	–
People's United Financial, Inc.	33,482	$4.18M	0.10%	–	–
Gulf International Bank (UK) Ltd	33,413	$4.17M	0.06%	–	–
KG&L Capital Management,LLC	33,360	$4.16M	2.10%	–	–
Jackson Wealth Management, LLC	32,965	$4.11M	0.62%	–	–
CIBC World Markets Inc.	32,749	$4.09M	0.01%	–	–
James Investment Research Inc	32,529	$4.06M	0.37%	–	–
Bradley Foster & Sargent Inc	32,435	$4.05M	0.10%	–	–
Texas Permanent School Fund	32,351	$4.04M	0.05%	–	–
Mackay Shields LLC	32,116	$4.01M	0.03%	–	–
British Columbia Investment Management Corp	31,493	$3.93M	0.03%	–	–
Three Peaks Capital Management, LLC	31,165	$3.89M	1.23%	–	–
Hantz Financial Services, Inc.	31,151	$3.89M	0.16%	–	–
Vestcor Inc	30,425	$3.80M	0.14%	–	–
State of Alaska, Department of Revenue	30,354	$3.79M	0.04%	–	–
Crestline Management, LP	30,259	$3.77M	0.48%	–	–
Westwood Holdings Group Inc.	29,956	$3.74M	0.04%	–	–
Family Legacy, Inc.	29,862	$3.73M	1.78%	–	–
Ci Investments Inc.	29,824	$3.72M	0.02%	–	–
Bollard Group LLC	29,717	$3.71M	0.13%	–	–
Advisors Asset Management, Inc.	29,595	$3.69M	0.06%	–	–
Roosevelt Investment Group LLC	29,183	$3.64M	0.24%	–	–
Employees Retirement System of Texas	27,236	$3.40M	0.04%	–	–
Central Trust Co	27,100	$3.38M	0.13%	–	–
CWM, LLC	24,127	$3.38M	0.03%	–	–
Commonwealth Equity Services, LLC	25,980	$3.24M	0.01%	–	–
Eastern Bank	25,827	$3.22M	0.17%	–	–
Brookmont Capital Management	25,657	$3.20M	2.06%	–	–
Public Employees Retirement Association of Colorado	25,603	$3.19M	0.01%	–	–
Mutual of America Capital Management LLC	25,061	$3.13M	0.03%	–	–
Assenagon Asset Management S.A.	24,661	$3.08M	0.02%	–	–
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	24,231	$3.02M	0.04%	–	–
DnB Asset Management AS	23,795	$2.97M	0.02%	–	–
Segment Wealth Management, LLC	23,778	$2.97M	0.39%	–	–
Metropolitan Life Insurance Co	23,664	$2.95M	0.04%	–	–
Richard Bernstein Advisors LLC	23,291	$2.90M	0.07%	–	–
The PNC Financial Services Group, Inc.	23,198	$2.90M	0.00%	–	–
Ensign Peak Advisors, Inc	22,990	$2.87M	0.01%	–	–
Geneos Wealth Management Inc.	19,355	$2.81M	0.08%	–	–
Andesa Financial Management Inc.	22,390	$2.79M	0.91%	–	–
Crossmark Global Holdings, Inc.	22,060	$2.75M	0.07%	–	–
Edgestream Partners, L.P.	21,804	$2.72M	0.15%	–	–
Commerce Bank	21,344	$2.66M	0.02%	–	–
First Republic Investment Management, Inc.	21,182	$2.64M	0.01%	–	–
Hartford Investment Management Co	21,106	$2.63M	0.07%	–	–
IFM Investors Pty Ltd	21,096	$2.63M	0.07%	–	–
Stonebridge Capital Management Inc	20,850	$2.60M	0.99%	–	–
Trust Co of Toledo NA	20,606	$2.57M	0.46%	–	–
Alberta Investment Management Corp	20,500	$2.56M	0.02%	–	–
Ballew Advisors, Inc	20,000	$2.53M	0.93%	–	–
Mariner, LLC	20,156	$2.52M	0.02%	–	–
SG Americas Securities, LLC	20,078	$2.50M	0.02%	–	–
TD Private Client Wealth LLC	19,847	$2.48M	0.12%	–	–
Edmond de Rothschild Holding S.A.	19,836	$2.48M	0.07%	–	–
Park Avenue Securities LLC	19,774	$2.47M	0.06%	–	–
Athanor Capital, LP	19,510	$2.43M	0.10%	–	–
Private Advisor Group, LLC	19,482	$2.43M	0.02%	–	–
Cambridge Investment Research Advisors, Inc.	19,404	$2.42M	0.01%	–	–
Nissay Asset Management Corp	19,350	$2.41M	0.02%	–	–
Origin Asset Management LLP	19,100	$2.38M	0.24%	–	–
Public Sector Pension Investment Board	18,323	$2.29M	0.02%	–	–
Tower Research Capital LLC (TRC)	17,615	$2.20M	0.04%	–	–
Legacy Wealth Management, LLC	17,518	$2.19M	1.32%	–	–
Busey Wealth Management	17,509	$2.19M	0.11%	–	–
Fifth Third Bancorp	16,911	$2.11M	0.01%	–	–
Ellsworth Advisors, LLC	16,585	$2.07M	1.24%	–	–
Barbara Oil Co.	16,500	$2.06M	0.99%	–	–
Securian Asset Management, Inc	16,491	$2.06M	0.04%	–	–