Arthur J. Gallagher & Co. (AJG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

260,278,746Shares Outstanding

1,308,019Shares held by institutions

$279,916,066Value of institutional holdings

87.38%Institutional ownership %

3.93%Shares Changed QoQ

1,233No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Arthur J. Gallagher & Co. (NYSE:AJG) is held by 1233 institutional firms.

The percentage of Arthur J. Gallagher owned by institutions changed from 85.9% in September 2025 to 87.4% in December 2025, marking a slight up trend.
On a quarter-over-quarter basis, institutional holdings shifted by 3.93%, with a year-over-year a decrease of 6.16% in the count of filers.
Among the 1233 institutional holders of Arthur J. Gallagher, 517 added to their stakes while 542 trimmed their positions and 174 held steady.
This class of investors increased its holdings in Arthur J. Gallagher to 227.42Mn shares for the 13F-cycle ending December 2025, up by 8.59Mn shares quarter on quarter, and down 3.97Mn shares year over year.
VANGUARD GROUP INC's holding of 31.39Mn shares as of December 31, 2025 makes it the primary institutional investor in Arthur J. Gallagher, owning 12.06% of the stock.
Among the most significant buyers of Arthur J. Gallagher during December 2025 were NORGES BANK (7.44Mn), FMR LLC (2.58Mn), T. Rowe Price Investment Management, Inc. (1.18Mn), VIKING GLOBAL INVESTORS LP (1.04Mn), DODGE & COX (880.59K).
Leading sellers of Arthur J. Gallagher stock in December 2025 included MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (1.20Mn), Capital International Investors (914.29K), SANDS CAPITAL MANAGEMENT, LLC (849.82K), MORGAN STANLEY (811.98K), DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main (776.92K).
The top 10 institutional holders of Arthur J. Gallagher for the quarter ending December 2025 included VANGUARD GROUP INC (31.39Mn), JPMORGAN CHASE & CO (20.31Mn), BlackRock, Inc. (19.24Mn), FMR LLC (15.11Mn), Capital World Investors (12.61Mn), STATE STREET CORP (10.95Mn), MORGAN STANLEY (7.77Mn), NORGES BANK (7.44Mn), Capital International Investors (6.28Mn), GEODE CAPITAL MANAGEMENT, LLC (6.01Mn).

1,233 Institutional Holders

1,308,019 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	31,390,446	217,136	0.70%	$8,123,533,521.00
JPMORGAN CHASE & CO	31 Dec, 2025	20,313,249	-25,284	-0.12%	$5,256,866,617.00
BlackRock, Inc.	31 Dec, 2025	19,239,621	675,641	3.64%	$4,979,021,550.00
FMR LLC	31 Dec, 2025	15,110,682	2,578,081	20.57%	$3,910,493,366.00
Capital World Investors	31 Dec, 2025	12,613,371	830,252	7.05%	$3,264,358,666.00
STATE STREET CORP	31 Dec, 2025	10,953,598	62,518	0.57%	$2,834,681,626.00
MORGAN STANLEY	31 Dec, 2025	7,773,808	-811,982	-9.46%	$2,011,784,635.00
NORGES BANK	31 Dec, 2025	7,438,704	7,438,704	0.00%	$1,925,062,208.00
Capital International Investors	31 Dec, 2025	6,280,455	-914,288	-12.71%	$1,625,558,730.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	6,014,196	12,190	0.20%	$1,553,237,593.00
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	3,815,684	1,181,644	44.86%	$987,461.00
Mitsubishi UFJ Asset Management Co., Ltd.	31 Dec, 2025	3,056,069	-51,321	-1.65%	$782,353,664.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	2,965,983	-304,824	-9.32%	$767,566,741.00
PRINCIPAL FINANCIAL GROUP INC	31 Dec, 2025	2,832,943	-33,843	-1.18%	$733,151,314.00
WCM INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	2,380,294	-51,704	-2.13%	$623,232,443.00
NORTHERN TRUST CORP	31 Dec, 2025	2,230,272	-87,079	-3.76%	$577,172,090.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,043,640	14,682	0.72%	$528,875,837.00
BROWN ADVISORY INC	31 Dec, 2025	2,027,929	-489,993	-19.46%	$524,813,875.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	1,869,559	239,272	14.68%	$483,868,236.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,708,676	306,493	21.86%	$442,188,100.00

1 - 20 of 1,233

Research Tools