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Arthur J. Gallagher & Co.

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

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, Q2 2021

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 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
779
+55 vs. Q1 2021
Shares held
175.8M
+11.0M (+6.7%) vs. Q1 2021
Total value
$24.6B
+$4.06B (+19.8%) vs. Q1 2021
New holders
100
286 more added
Sold out
45
250 more reduced

8 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: new holders, sold out and not filed yet

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 holdersQ2 2021: 779 institutions
Q1 2021: 732 institutionsQ2 2021: 779 institutionsQ3 2021: 775 institutionsQ4 2021: 854 institutionsQ1 2022: 817 institutionsQ2 2022: 823 institutionsQ3 2022: 865 institutionsQ4 2022: 921 institutionsQ1 2023: 951 institutionsQ2 2023: 976 institutionsQ3 2023: 999 institutionsQ4 2023: 1,082 institutionsQ1 2024: 1,130 institutionsQ2 2024: 1,153 institutionsQ3 2024: 1,203 institutionsQ4 2024: 1,325 institutionsQ1 2025: 1,360 institutionsQ2 2025: 1,380 institutionsQ3 2025: 1,342 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ2 2021: $24.6B
Q1 2021: $20.6BQ2 2021: $24.6BQ3 2021: $26.3BQ4 2021: $30.1BQ1 2022: $31.0BQ2 2022: $29.1BQ3 2022: $31.2BQ4 2022: $34.1BQ1 2023: $34.7BQ2 2023: $39.9BQ3 2023: $42.3BQ4 2023: $41.9BQ1 2024: $46.5BQ2 2024: $49.1BQ3 2024: $52.8BQ4 2024: $65.9BQ1 2025: $79.0BQ2 2025: $72.9BQ3 2025: $69.7BQ4 2025: $60.6BQ1 2026: $49.7BQ2 2026: $54.7B
Institutions holding AJG and their total value by quarter
QuarterHoldersValue
Q2 20261,295$54.7B
Q1 20261,248$49.7B
Q4 20251,299$60.6B
Q3 20251,342$69.7B
Q2 20251,380$72.9B
Q1 20251,360$79.0B
Q4 20241,325$65.9B
Q3 20241,203$52.8B
Q2 20241,153$49.1B
Q1 20241,130$46.5B
Q4 20231,082$41.9B
Q3 2023999$42.3B
Q2 2023976$39.9B
Q1 2023951$34.7B
Q4 2022921$34.1B
Q3 2022865$31.2B
Q2 2022823$29.1B
Q1 2022817$31.0B
Q4 2021854$30.1B
Q3 2021775$26.3B
Q2 2021779$24.6B
Q1 2021732$20.6B

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2021.

Institutions holding AJG in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Royal London Asset Management Ltd68,257$9.56M0.04%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.69,088$9.68M0.05%+9,284+15.5%Added
PGGM Investments70,025$9.81M0.04%+482+0.7%Added
Nomura Holdings Inc70,062$9.82M0.08%+68,155+3,573.9%Added
Fort Washington Investment Advisors Inc71,707$10.0M0.09%−330.0%Reduced
Andra AP-fonden72,500$10.2M0.21%−7,100−8.9%Reduced
Mackenzie Financial Corp73,404$10.3M0.01%+906+1.2%Added
Treasurer of the State of North Carolina73,452$10.3M0.06%+471+0.6%Added
MML Investors Services, LLC75,554$10.6M0.09%+6,866+10.0%Added
CIBC Asset Management Inc76,259$10.7M0.04%+42,594+126.5%Added
Pinebridge Investments, L.P.77,598$10.9M0.13%+3,981+5.4%Added
Sonora Investment Management, LLC77,751$10.9M1.42%+3,423+4.6%Added
Standard Life Aberdeen plc77,951$10.9M0.02%−3,860−4.7%Reduced
Advisor Group Holdings, Inc.80,744$11.3M0.02%+7,213+9.8%Added
Brewin Dolphin Ltd81,160$11.4M0.51%00.0%Unchanged
Blair William & Co82,531$11.6M0.04%−1,448−1.7%Reduced
KBC Group NV84,478$11.8M0.04%−4,157−4.7%Reduced
Voya Investment Management LLC91,096$12.8M0.02%+2,642+3.0%Added
ARS Investment Partners, LLC92,048$12.9M1.31%+1,296+1.4%Added
Calamos Advisors LLC94,600$13.3M0.07%+21,517+29.4%Added
American National Insurance Co96,018$13.4M0.50%−70−0.1%Reduced
State of Wisconsin Investment Board98,404$13.8M0.03%−6,245−6.0%Reduced
Lawson Kroeker Investment Management Inc99,042$13.9M4.39%−1,205−1.2%Reduced
Stifel Financial Corp99,110$13.9M0.02%−2,617−2.6%Reduced
Moody National Bank Trust Division99,327$13.9M0.28%−85−0.1%Reduced
Man Group plc100,606$14.1M0.05%+26,607+36.0%Added
Pictet Asset Management Ltd101,153$14.2M0.02%+2,710+2.8%Added
AMP Capital Investors Ltd102,676$14.4M0.07%−3,270−3.1%Reduced
Asset Management One Co.,Ltd.103,453$14.5M0.05%−90−0.1%Reduced
Marshall Wace North America L.P.103,457$14.5M0.06%+103,457New
Susquehanna Fundamental Investments, LLC104,110$14.6M0.27%−10,060−8.8%Reduced
Brown Advisory Inc104,292$14.6M0.02%−181−0.2%Reduced
Marshall Wace, LLP105,330$14.8M0.08%+105,330New
AQR Capital Management LLC106,460$14.9M0.03%−2,290−2.1%Reduced
NFJ Investment Group, LLC107,671$15.1M0.29%−58,413−35.2%Reduced
SEI Investments Co108,333$15.2M0.03%−6,181−5.4%Reduced
Schroder Investment Management Group110,044$15.4M0.02%+1,178+1.1%Added
Westpac Banking Corp111,173$15.6M0.16%+3,459+3.2%Added
Truist Financial Corp111,535$15.6M0.03%+418+0.4%Added
North Point Portfolio Managers Corp113,059$15.8M2.18%−1,552−1.4%Reduced
Natixis Advisors, L.P.113,207$15.9M0.07%−11,724−9.4%Reduced
Natixis113,312$15.9M0.07%−279,120−71.1%Reduced
State of New Jersey Common Pension Fund D114,178$16.0M0.05%−11,160−8.9%Reduced
Rafferty Asset Management, LLC114,606$16.1M0.10%+18,355+19.1%Added
Capital Bank & Trust Co117,316$16.4M0.19%+543+0.5%Added
Balyasny Asset Management LLC117,449$16.5M0.09%−110,043−48.4%Reduced
Rathbone Brothers plc118,150$16.6M0.18%−120−0.1%Reduced
Public Employees Retirement System of Ohio119,001$16.7M0.06%+13,346+12.6%Added
Mn Services Vermogensbeheer B.V.142,010$16.8M0.13%+142,010New
PhiloSmith Capital Corp122,725$17.2M7.58%00.0%Unchanged
Guggenheim Capital LLC123,273$17.3M0.10%−4,630−3.6%Reduced
Toronto Dominion Bank124,805$17.5M0.03%−728−0.6%Reduced
Prospector Partners LLC127,800$17.9M2.25%+1,000+0.8%Added
Allianz Asset Management GmbH128,605$18.0M0.02%−41,957−24.6%Reduced
Voloridge Investment Management, LLC129,265$18.1M0.13%+129,265New
UBS Group AG130,185$18.2M0.01%−228,057−63.7%Reduced
Chevy Chase Trust Holdings, Inc.131,130$18.4M0.06%+1,066+0.8%Added
Professional Advisory Services Inc136,685$19.1M2.78%−17,997−11.6%Reduced
Thomasville National Bank138,598$19.4M2.06%−19,493−12.3%Reduced
Vaughan Nelson Investment Management, L.P.141,612$19.8M0.20%−5,637−3.8%Reduced
Chartwell Investment Partners, LLC149,809$21.0M0.62%−15,254−9.2%Reduced
Thrivent Financial for Lutherans150,284$21.1M0.04%−163,848−52.2%Reduced
Bank of Nova Scotia155,060$21.7M0.04%+48,897+46.1%Added
US Bancorp165,248$23.1M0.04%+2,771+1.7%Added
Qube Research & Technologies Ltd173,554$24.3M0.30%+127,229+274.6%Added
New York State Teachers Retirement System175,034$24.5M0.05%+1,191+0.7%Added
GWM Advisors LLC179,648$25.2M0.67%+7,848+4.6%Added
William Blair Investment Management, LLC180,462$25.3M0.08%−8,710−4.6%Reduced
Great West Life Assurance Co184,526$25.8M0.06%+818+0.4%Added
Connor, Clark & Lunn Investment Management Ltd.185,863$26.0M0.13%−36,367−16.4%Reduced
D. E. Shaw & Co., Inc.188,108$26.4M0.03%+178,384+1,834.5%Added
Cornerstone Capital, Inc.195,303$27.4M3.10%−6,348−3.1%Reduced
Laurion Capital Management LP197,700$27.7M0.44%+197,700New
Comerica Bank196,229$27.9M0.17%−9,634−4.7%Reduced
Russell Investments Group, Ltd.199,386$28.0M0.05%+25,597+14.7%Added
Janus Henderson Group PLC200,921$28.1M0.01%+97,806+94.9%Added
Franklin Resources Inc203,872$28.6M0.01%−3,445−1.7%Reduced
Wells Fargo & Company206,466$28.9M0.01%−104,782−33.7%Reduced
Teacher Retirement System of Texas210,802$29.5M0.16%−15,104−6.7%Reduced
State Board of Administration of Florida Retirement System212,326$29.7M0.06%−341−0.2%Reduced
Panagora Asset Management Inc231,117$32.4M0.17%−42,720−15.6%Reduced
Prudential Financial Inc234,254$32.8M0.05%+55,040+30.7%Added
Gateway Investment Advisers LLC244,540$34.3M0.35%−277−0.1%Reduced
Epoch Investment Partners, Inc.247,186$34.6M0.19%+14,880+6.4%Added
United Capital Financial Advisers, LLC249,546$35.0M0.18%−5,130−2.0%Reduced
HSBC Holdings PLC249,454$35.0M0.04%+33,955+15.8%Added
Ghisallo Capital Management LLC250,000$35.0M1.33%+250,000New
BNP Paribas Arbitrage, SA256,269$35.9M0.07%+62,903+32.5%Added
Alliancebernstein L.P.265,553$37.2M0.01%+11,878+4.7%Added
Capitolis Advisors LLC277,069$38.8M0.46%+201,658+267.4%Added
Welch & Forbes LLC281,090$39.4M0.67%+28,845+11.4%Added
State of Tennessee, Treasury Department287,604$40.3M0.15%+5,884+2.1%Added
National Pension Service288,009$40.3M0.08%+2,000+0.7%Added
Principal Financial Group Inc294,791$41.3M0.03%+25,728+9.6%Added
Welch Group, LLC306,065$42.9M2.92%−12,332−3.9%Reduced
Rhumbline Advisers307,844$43.1M0.06%+2,470+0.8%Added
Junto Capital Management LP308,569$43.2M1.38%+308,569New
Citadel Advisors LLC313,530$43.9M0.05%−310,935−49.8%Reduced
Renaissance Technologies LLC316,290$44.3M0.06%+316,290New
Retirement Systems of Alabama316,549$44.3M0.16%+2,686+0.9%Added