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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, Q4 2021

Institutional positions in Arthur J. Gallagher & Co. as of Dec 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
854
+92 vs. Q3 2021
Shares held
177.3M
+394.3K (+0.2%) vs. Q3 2021
Total value
$30.1B
+$3.76B (+14.3%) vs. Q3 2021
New holders
143
298 more added
Sold out
51
265 more reduced

13 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 854 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: 1,359 institutionsQ2 2025: 1,379 institutionsQ3 2025: 1,341 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ4 2021: $30.1B
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 20251,341$69.7B
Q2 20251,379$72.9B
Q1 20251,359$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, Q4 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2021.

Institutions holding AJG in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Hartford Investment Management Co21,090$3.58M0.08%+1,683+8.7%Added
Trust Co of Toledo NA20,658$3.50M0.52%+97+0.5%Added
Mission Creek Capital Partners, Inc.20,285$3.44M0.68%+12,671+166.4%Added
Geneos Wealth Management Inc.20,020$3.40M0.13%+711+3.7%Added
Ferguson Wellman Capital Management, Inc19,856$3.37M0.10%+1,285+6.9%Added
Advisors Asset Management, Inc.19,773$3.35M0.05%−3,119−13.6%Reduced
Interval Partners, LP19,708$3.34M0.23%−15,792−44.5%Reduced
Fifth Third Bancorp19,311$3.28M0.01%+1,694+9.6%Added
First American Bank19,157$3.25M0.17%+358+1.9%Added
Stonebridge Capital Management Inc18,925$3.21M1.12%−1,550−7.6%Reduced
Allstate Corp18,785$3.19M0.06%+18,785New
Cubist Systematic Strategies, LLC18,766$3.18M0.03%+13,300+243.3%Added
Crossmark Global Holdings, Inc.18,530$3.14M0.07%−70−0.4%Reduced
Commonwealth Equity Services, LLC18,373$3.12M0.01%−7,595−29.2%Reduced
Eastern Bank18,270$3.10M0.14%−77−0.4%Reduced
Tower Research Capital LLC (TRC)18,106$3.07M0.05%+14,514+404.1%Added
Janney Montgomery Scott LLC17,645$2.99M0.01%+3,090+21.2%Added
Ancora Advisors, LLC17,565$2.98M0.07%−1,325−7.0%Reduced
Securian Asset Management, Inc17,254$2.93M0.05%−100−0.6%Reduced
STRS Ohio17,061$2.89M0.01%+12,670+288.5%Added
Legacy Wealth Management, LLC16,880$2.86M1.47%+24+0.1%Added
Richard Bernstein Advisors LLC16,854$2.86M0.06%−6,437−27.6%Reduced
Jane Street Group, LLC16,581$2.81M0.01%−4,788−22.4%Reduced
Barbara Oil Co.16,500$2.80M1.21%00.0%Unchanged
Coldstream Capital Management Inc16,421$2.79M0.09%+7,808+90.7%Added
MD Financial Management Inc.16,279$2.76M0.07%−931−5.4%Reduced
CIBC World Markets Inc.16,265$2.76M0.01%−263−1.6%Reduced
Meiji Yasuda Asset Management Co Ltd.16,170$2.74M0.17%+10+0.1%Added
Maryland State Retirement & Pension System15,720$2.67M0.07%+424+2.8%Added
Elo Mutual Pension Insurance Co15,662$2.66M0.07%+2,153+15.9%Added
Teachers Retirement System of the State of Kentucky15,050$2.55M0.02%00.0%Unchanged
First Hawaiian Bank14,956$2.54M0.07%−1,003−6.3%Reduced
Moody National Bank Trust Division14,918$2.53M0.08%−84,339−85.0%Reduced
Full18 Capital LLC14,914$2.50M1.06%+1,839+14.1%Added
Desjardins Global Asset Management Inc.14,742$2.50M0.21%+14,742New
Mount Lucas Management LP14,732$2.50M0.71%−540−3.5%Reduced
Whittier Trust Co14,690$2.49M0.04%−167−1.1%Reduced
Mirabella Financial Services LLP14,526$2.46M0.25%+5,024+52.9%Added
Sumitomo Mitsui DS Asset Management Company, Ltd14,212$2.41M0.05%+967+7.3%Added
Patton Fund Management, Inc.14,122$2.40M0.73%+14,122New
PEAK6 Investments LLC14,009$2.38M0.07%+14,009New
Panagora Asset Management Inc13,538$2.30M0.01%−2,127−13.6%Reduced
Blueshift Asset Management, LLC13,337$2.26M0.20%+8,855+197.6%Added
Xponance, Inc.13,036$2.21M0.03%+2,577+24.6%Added
Louisiana State Employees Retirement System13,000$2.21M0.05%+100+0.8%Added
Aquila Investment Management LLC13,000$2.21M1.07%+13,000New
Quantbot Technologies LP12,906$2.19M0.18%+7,991+162.6%Added
Mercer Global Advisors Inc12,800$2.17M0.01%+3,323+35.1%Added
Kentucky Retirement Systems12,774$2.17M0.09%+1,170+10.1%Added
Atria Investments LLC12,726$2.16M0.04%+5,546+77.2%Added
New Mexico Educational Retirement Board12,650$2.15M0.07%−800−5.9%Reduced
Ascent Group, LLC13,441$2.07M0.26%+13,441New
SG Americas Securities, LLC12,140$2.06M0.01%+3,181+35.5%Added
Avantax Advisory Services, Inc.12,138$2.06M0.03%−8−0.1%Reduced
Old North State Trust, LLC12,138$2.06M1.48%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC12,100$2.05M0.18%00.0%Unchanged
Sitrin Capital Management LLC12,063$2.05M0.96%00.0%Unchanged
AdvisorShares Investments LLC12,000$2.04M0.25%+12,000New
Cambridge Investment Research Advisors, Inc.11,951$2.03M0.01%−1,185−9.0%Reduced
Segall Bryant & Hamill, LLC11,832$2.01M0.02%−297−2.4%Reduced
RFG Advisory, LLC11,615$1.97M0.14%−365−3.0%Reduced
Gotham Asset Management, LLC11,561$1.96M0.06%−5,073−30.5%Reduced
Parallax Volatility Advisers, L.P.11,544$1.96M0.02%+9,700+526.0%Added
Kestra Advisory Services, LLC11,515$1.95M0.02%−243−2.1%Reduced
Cabot Wealth Management Inc11,200$1.90M0.24%−1,647−12.8%Reduced
Pinnacle Wealth Planning Services, Inc.11,066$1.88M0.38%−22−0.2%Reduced
Andesa Financial Management Inc.11,068$1.88M0.92%00.0%Unchanged
Pacer Advisors, Inc.10,782$1.83M0.02%−17,850−62.3%Reduced
Edgestream Partners, L.P.10,742$1.82M0.11%−18,867−63.7%Reduced
E. Ohman J:or Asset Management AB10,700$1.82M0.05%+2,300+27.4%Added
Boston Private Wealth LLC10,531$1.79M0.03%−480−4.4%Reduced
Nordea Investment Management AB10,495$1.78M0.00%+329+3.2%Added
Benjamin Edwards Inc10,371$1.76M0.57%+2,207+27.0%Added
First Citizens Bank & Trust Co10,364$1.76M0.07%−3,270−24.0%Reduced
B. Metzler seel. Sohn & Co. AG10,264$1.73M0.02%+10,264New
Trexquant Investment LP10,139$1.72M0.11%+10,139New
Tudor Investment Corp Et Al10,059$1.71M0.03%+10,059New
AlphaCrest Capital Management LLC9,890$1.68M0.06%+9,890New
Diversified Trust Co9,622$1.63M0.05%+625+6.9%Added
Leavell Investment Management, Inc.9,458$1.60M0.11%00.0%Unchanged
Chicago Partners Investment Group LLC10,369$1.59M0.11%+7+0.1%Added
Northwestern Mutual Investment Management Company, LLC9,325$1.58M0.03%−65−0.7%Reduced
Prospera Financial Services Inc9,314$1.58M0.07%−206−2.2%Reduced
Storebrand Asset Management AS9,309$1.58M0.01%+846+10.0%Added
Oppenheimer & Co Inc9,226$1.56M0.03%+143+1.6%Added
Glenmede Trust Co NA9,218$1.56M0.01%−1,320−12.5%Reduced
Versor Investments LP9,200$1.56M0.05%+2,261+32.6%Added
Insight Wealth Strategies, LLC9,058$1.54M0.22%+678+8.1%Added
Candriam Luxembourg S.C.A.8,949$1.52M0.01%00.0%Unchanged
Pinebridge Investments, L.P.8,940$1.52M0.02%−5,877−39.7%Reduced
Cox Capital Mgt LLC8,938$1.52M0.90%+110+1.2%Added
Crawford Investment Counsel Inc8,500$1.44M0.03%−74−0.9%Reduced
Polar Asset Management Partners Inc.8,481$1.44M0.02%+8,481New
Whittier Trust Co of Nevada Inc8,446$1.43M0.05%−88−1.0%Reduced
JJJ Advisors Inc.8,301$1.41M0.42%+6+0.1%Added
Jag Capital Management, LLC8,240$1.40M0.11%−59,367−87.8%Reduced
Stephens Inc8,180$1.39M0.02%+8,180New
First Nebraska Trust Co8,175$1.39M0.17%−225−2.7%Reduced
American National Registered Investment Advisor, Inc.8,116$1.38M0.45%−10.0%Reduced
Raymond James Trust N.A.8,090$1.37M0.04%+685+9.3%Added