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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, Q3 2021

Institutional positions in Arthur J. Gallagher & Co. as of Sep 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
775
+8 vs. Q2 2021
Shares held
177.2M
+1.65M (+0.9%) vs. Q2 2021
Total value
$26.3B
+$1.77B (+7.2%) vs. Q2 2021
New holders
80
283 more added
Sold out
72
254 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 775 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 heldQ3 2021: $26.3B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2021.

Institutions holding AJG in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Natixis222,991$33.1M0.11%+109,679+96.8%Added
Echo Street Capital Management LLC221,553$32.9M0.23%+218,578+7,347.2%Added
Franklin Resources Inc220,445$32.7M0.01%+16,573+8.1%Added
State of Tennessee, Treasury Department219,811$32.7M0.13%−67,793−23.6%Reduced
Shellback Capital, LP214,266$31.9M1.86%+214,266New
State Board of Administration of Florida Retirement System213,927$31.8M0.06%+1,601+0.8%Added
Wells Fargo & Company213,059$31.7M0.01%+6,593+3.2%Added
Citigroup Inc213,034$31.7M0.03%−135,886−38.9%Reduced
Comerica Bank189,366$31.3M0.19%−6,863−3.5%Reduced
Capitolis Advisors LLC191,754$30.8M0.28%−85,315−30.8%Reduced
Vaughan Nelson Investment Management, L.P.199,783$29.7M0.30%+58,171+41.1%Added
Great West Life Assurance Co193,286$28.9M0.07%+8,760+4.7%Added
GWM Advisors LLC191,210$28.4M0.70%+11,562+6.4%Added
Cornerstone Capital, Inc.189,466$28.2M3.25%−5,837−3.0%Reduced
Prudential Financial Inc186,885$27.8M0.04%−47,369−20.2%Reduced
New York State Teachers Retirement System175,091$26.0M0.05%+570.0%Added
BNP Paribas Arbitrage, SA169,351$25.2M0.06%−86,918−33.9%Reduced
AQR Capital Management LLC168,701$25.1M0.05%+62,241+58.5%Added
Russell Investments Group, Ltd.151,184$22.6M0.04%−48,202−24.2%Reduced
Victory Capital Management Inc150,639$22.4M0.02%−1,582,510−91.3%Reduced
Teacher Retirement System of Texas149,282$22.2M0.12%−61,520−29.2%Reduced
Islet Management, LP145,000$21.6M1.03%+145,000New
Mn Services Vermogensbeheer B.V.144,210$21.4M0.14%+2,200+1.5%Added
Professional Advisory Services Inc139,426$20.7M3.04%+2,741+2.0%Added
Thrivent Financial for Lutherans138,189$20.5M0.04%−12,095−8.0%Reduced
Thomasville National Bank138,135$20.5M2.13%−463−0.3%Reduced
Liontrust Investment Partners LLP138,000$20.5M0.28%+138,000New
US Bancorp129,391$19.2M0.04%−35,857−21.7%Reduced
Chevy Chase Trust Holdings, Inc.127,515$19.0M0.07%−3,615−2.8%Reduced
Prospector Partners LLC125,800$18.7M2.40%−2,000−1.6%Reduced
Connor, Clark & Lunn Investment Management Ltd.123,839$18.4M0.10%−62,024−33.4%Reduced
Philo Smith Capital Corp122,725$18.2M7.82%+122,725New
Rathbone Brothers plc118,150$17.6M0.19%00.0%Unchanged
Public Employees Retirement System of Ohio117,514$17.5M0.06%−1,487−1.2%Reduced
Capital Group Private Client Services, Inc.117,091$17.4M0.20%+117,091New
AMP Capital Investors Ltd116,401$17.3M0.10%+13,725+13.4%Added
State of New Jersey Common Pension Fund D114,310$17.0M0.05%+132+0.1%Added
Guggenheim Capital LLC112,971$16.8M0.10%−10,302−8.4%Reduced
Chartwell Investment Partners, LLC111,963$16.6M0.52%−37,846−25.3%Reduced
North Point Portfolio Managers Corp111,309$16.5M2.32%−1,750−1.5%Reduced
Toronto Dominion Bank111,246$16.5M0.03%−13,559−10.9%Reduced
State of Wisconsin Investment Board109,928$16.3M0.03%+11,524+11.7%Added
Truist Financial Corp109,123$16.2M0.03%−2,412−2.2%Reduced
Fosun International Ltd107,958$16.0M0.82%+107,958New
Schroder Investment Management Group106,751$15.9M0.03%−3,293−3.0%Reduced
Pictet Asset Management SA105,668$15.7M0.02%+105,668New
Stifel Financial Corp104,319$15.5M0.02%+5,209+5.3%Added
Brown Advisory Inc104,294$15.5M0.02%+20.0%Added
Asset Management One Co.,Ltd.103,794$15.4M0.06%+341+0.3%Added
Calamos Advisors LLC103,755$15.4M0.07%+9,155+9.7%Added
NFJ Investment Group, LLC102,319$15.2M0.30%−5,352−5.0%Reduced
Westpac Banking Corp102,060$15.2M0.16%−9,113−8.2%Reduced
Philadelphia Financial Management of San Francisco, LLC100,341$14.9M4.74%+43,924+77.9%Added
SEI Investments Co100,117$14.9M0.03%−8,216−7.6%Reduced
Moody National Bank Trust Division99,257$14.8M0.22%−70−0.1%Reduced
Rafferty Asset Management, LLC98,404$14.6M0.10%−16,202−14.1%Reduced
Lawson Kroeker Investment Management Inc96,162$14.3M4.74%−2,880−2.9%Reduced
American National Insurance Co95,978$14.3M0.54%−400.0%Reduced
Natixis Advisors, L.P.94,481$14.0M0.06%−18,726−16.5%Reduced
HighTower Advisors, LLC93,491$13.9M0.04%+57,227+157.8%Added
Andra AP-fonden92,700$13.8M0.28%+20,200+27.9%Added
ARS Investment Partners, LLC92,093$13.7M1.37%+450.0%Added
Royal London Asset Management Ltd89,957$13.4M0.05%+21,700+31.8%Added
Voya Investment Management LLC89,671$13.3M0.03%−1,425−1.6%Reduced
Caisse de Depot Et Placement du Quebec87,822$13.1M0.03%+62,185+242.6%Added
Susquehanna Fundamental Investments, LLC87,750$13.0M0.24%−16,360−15.7%Reduced
Advisor Group Holdings, Inc.85,408$12.7M0.03%+4,664+5.8%Added
Bridgewater Associates, LP84,792$12.6M0.07%+17,206+25.5%Added
KBC Group NV82,663$12.3M0.05%−1,815−2.1%Reduced
Blair William & Co82,168$12.2M0.04%−363−0.4%Reduced
Sonora Investment Management, LLC82,084$12.2M1.53%+4,333+5.6%Added
MML Investors Services, LLC81,610$12.1M0.10%+6,056+8.0%Added
Korea Investment CORP81,200$12.1M0.04%+15,900+24.3%Added
Brewin Dolphin Ltd81,160$12.1M0.49%00.0%Unchanged
Allianz Asset Management GmbH80,846$12.0M0.01%−47,759−37.1%Reduced
Healthcare of Ontario Pension Plan Trust Fund80,765$12.0M0.03%−283,644−77.8%Reduced
Janus Henderson Group PLC80,392$11.9M0.01%−120,529−60.0%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.80,161$11.9M0.06%+11,073+16.0%Added
D. E. Shaw & Co., Inc.80,104$11.9M0.02%−108,004−57.4%Reduced
Mackenzie Financial Corp80,071$11.9M0.02%+6,667+9.1%Added
Federation des caisses Desjardins du Quebec77,303$11.5M0.12%+9,787+14.5%Added
Treasurer of the State of North Carolina76,821$11.4M0.07%+3,369+4.6%Added
CIBC Asset Management Inc76,483$11.4M0.05%+224+0.3%Added
Man Group plc74,743$11.1M0.04%−25,863−25.7%Reduced
Standard Life Aberdeen plc73,111$11.0M0.02%−4,840−6.2%Reduced
PGGM Investments70,367$10.5M0.05%+342+0.5%Added
FineMark National Bank & Trust67,995$10.1M0.43%+26,028+62.0%Added
Jag Capital Management, LLC67,607$10.0M0.78%+8,593+14.6%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund65,419$9.72M0.09%+9,800+17.6%Added
American International Group, Inc.62,263$9.26M0.05%−646−1.0%Reduced
Baldwin Brothers Inc61,389$9.13M1.01%−989−1.6%Reduced
Swedbank AB60,424$8.98M0.02%−1,366−2.2%Reduced
Private Advisor Group, LLC59,927$8.91M0.06%+39,686+196.1%Added
Newport Capital Group, LLC59,411$8.83M6.82%−6,500−9.9%Reduced
Verity & Verity, LLC53,886$8.69M1.30%−1,423−2.6%Reduced
ProShare Advisors LLC58,438$8.69M0.02%+1,994+3.5%Added
Amalgamated Bank58,041$8.63M0.07%+287+0.5%Added
Arizona State Retirement System57,878$8.60M0.07%+3,118+5.7%Added
Oregon Public Employees Retirement Fund56,785$8.44M0.10%−1,100−1.9%Reduced
DekaBank Deutsche Girozentrale55,744$8.33M0.02%+820+1.5%Added