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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
SG Americas Securities, LLC8,959$1.33M0.01%−22,555−71.6%Reduced
Diversified Trust Co8,997$1.34M0.05%−20−0.2%Reduced
Oppenheimer & Co Inc9,083$1.35M0.03%+671+8.0%Added
Twin Tree Management, LP9,161$1.36M0.04%−1,611−15.0%Reduced
Northwestern Mutual Investment Management Company, LLC9,390$1.40M0.03%+86+0.9%Added
Leavell Investment Management, Inc.9,458$1.41M0.10%+61+0.6%Added
Mercer Global Advisors Inc9,477$1.41M0.01%+2,047+27.6%Added
Mirabella Financial Services LLP9,502$1.41M0.19%−1,850−16.3%Reduced
Prospera Financial Services Inc9,520$1.42M0.07%+171+1.8%Added
Shay Capital LLC10,000$1.49M0.47%+2,000+25.0%Added
Nordea Investment Management AB10,166$1.55M0.00%+350+3.6%Added
Xponance, Inc.10,459$1.55M0.03%−822−7.3%Reduced
Ballew Advisors, Inc10,000$1.56M1.14%00.0%Unchanged
Glenmede Trust Co NA10,538$1.56M0.01%+8+0.1%Added
First National Bank of Omaha10,560$1.57M0.08%−2,114−16.7%Reduced
Boston Private Wealth LLC11,011$1.64M0.02%+22+0.2%Added
Andesa Financial Management Inc.11,068$1.65M0.89%−11,068−50.0%Reduced
Pinnacle Wealth Planning Services, Inc.11,088$1.65M0.37%−52−0.5%Reduced
Chicago Partners Investment Group LLC10,362$1.69M0.12%+40.0%Added
Kentucky Retirement Systems11,604$1.73M0.08%−327−2.7%Reduced
Umb Bank N A11,657$1.73M0.04%−207−1.7%Reduced
Caption Management, LLC11,700$1.74M0.11%+11,700New
Jump Financial, LLC11,708$1.74M0.13%+11,708New
Kestra Advisory Services, LLC11,758$1.75M0.02%−403−3.3%Reduced
SRB Corp11,928$1.77M0.11%−1,285−9.7%Reduced
RFG Advisory, LLC11,980$1.78M0.15%+1,075+9.9%Added
Sitrin Capital Management LLC12,063$1.79M0.86%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC12,100$1.80M0.18%00.0%Unchanged
Old North State Trust, LLC12,138$1.80M1.61%00.0%Unchanged
Avantax Advisory Services, Inc.12,146$1.80M0.03%−361−2.9%Reduced
Segall Bryant & Hamill, LLC12,129$1.81M0.02%+2,140+21.4%Added
Cabot Wealth Management Inc12,847$1.91M0.26%00.0%Unchanged
Keeley-Teton Advisors, LLC12,889$1.92M0.21%−275−2.1%Reduced
Louisiana State Employees Retirement System12,900$1.92M0.05%+100+0.8%Added
Full18 Capital LLC13,075$1.94M0.78%+13,075New
Cambridge Investment Research Advisors, Inc.13,136$1.95M0.01%−5,288−28.7%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd13,245$1.97M0.05%+171+1.3%Added
New Mexico Educational Retirement Board13,450$2.00M0.07%+500+3.9%Added
Elo Mutual Pension Insurance Co13,509$2.01M0.06%00.0%Unchanged
First Citizens Bank & Trust Co13,634$2.03M0.10%+272+2.0%Added
Janney Montgomery Scott LLC14,555$2.16M0.01%+2,243+18.2%Added
Pinebridge Investments, L.P.14,817$2.20M0.03%−62,781−80.9%Reduced
Whittier Trust Co14,857$2.21M0.04%+183+1.2%Added
Teachers Retirement System of the State of Kentucky15,050$2.24M0.02%00.0%Unchanged
Mount Lucas Management LP15,272$2.27M0.72%−1,138−6.9%Reduced
Maryland State Retirement & Pension System15,296$2.32M0.07%00.0%Unchanged
Panagora Asset Management Inc15,665$2.33M0.01%−215,452−93.2%Reduced
First Hawaiian Bank15,959$2.37M0.10%+86+0.5%Added
Meiji Yasuda Asset Management Co Ltd.16,160$2.40M0.17%+100+0.6%Added
Barbara Oil Co.16,500$2.45M1.15%00.0%Unchanged
CIBC World Markets Inc.16,528$2.46M0.01%−60.0%Reduced
Gotham Asset Management, LLC16,634$2.47M0.10%+1,140+7.4%Added
Legacy Wealth Management, LLC16,856$2.51M1.34%−30−0.2%Reduced
MD Financial Management Inc.17,210$2.56M0.06%−482−2.7%Reduced
Securian Asset Management, Inc17,354$2.58M0.05%−100−0.6%Reduced
ING Groep NV17,358$2.58M0.03%+530+3.1%Added
Wolverine Trading, LLC17,111$2.58M0.05%+1,642+10.6%Added
Fifth Third Bancorp17,617$2.62M0.01%+776+4.6%Added
Ensign Peak Advisors, Inc17,632$2.62M0.01%−2,623−12.9%Reduced
TD Private Client Wealth LLC17,688$2.63M0.11%−550−3.0%Reduced
Flputnam Investment Management Co18,006$2.68M0.09%+2,146+13.5%Added
Eastern Bank18,347$2.73M0.13%−7,831−29.9%Reduced
Ferguson Wellman Capital Management, Inc18,571$2.76M0.09%+517+2.9%Added
Crossmark Global Holdings, Inc.18,600$2.77M0.06%+450+2.5%Added
First American Bank18,799$2.79M0.16%+3,765+25.0%Added
Ancora Advisors, LLC18,890$2.81M0.07%+6,197+48.8%Added
Capital Fund Management S.A.18,929$2.81M0.07%−10,355−35.4%Reduced
Wealthfront Advisers LLC19,128$2.84M0.01%+7,601+65.9%Added
Hartford Investment Management Co19,407$2.88M0.08%−2,180−10.1%Reduced
Geneos Wealth Management Inc.19,309$2.94M0.11%+1,516+8.5%Added
Ghisallo Capital Management LLC20,000$2.97M0.11%−230,000−92.0%Reduced
Gyon Technologies Capital Management, LP20,250$3.01M0.81%+13,663+207.4%Added
Stonebridge Capital Management Inc20,475$3.04M1.12%−375−1.8%Reduced
Trust Co of Toledo NA20,561$3.06M0.50%−31−0.2%Reduced
Bank of Nova Scotia20,866$3.10M0.01%−134,194−86.5%Reduced
Commerce Bank21,253$3.16M0.02%+3,029+16.6%Added
Jane Street Group, LLC21,369$3.18M0.01%+7,699+56.3%Added
Nissay Asset Management Corp21,600$3.21M0.03%+1,905+9.7%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.21,667$3.22M0.01%−881−3.9%Reduced
The PNC Financial Services Group, Inc.21,707$3.23M0.00%−1,785−7.6%Reduced
Mission Creek Capital Partners, Inc.7,614$3.24M0.60%−14,456−65.5%Reduced
Busey Wealth Management22,034$3.27M0.13%+4,525+25.8%Added
Central Trust Co22,221$3.30M0.12%−662−2.9%Reduced
Park Avenue Securities LLC22,220$3.30M0.07%+1,130+5.4%Added
Distillate Capital Partners LLC22,233$3.30M0.88%+386+1.8%Added
Advisors Asset Management, Inc.22,892$3.40M0.05%−4,264−15.7%Reduced
Mariner, LLC23,028$3.42M0.02%+3,306+16.8%Added
Richard Bernstein Advisors LLC23,291$3.46M0.07%00.0%Unchanged
Metropolitan Life Insurance Co24,083$3.58M0.05%−586−2.4%Reduced
New Vernon Investment Management LLC24,282$3.61M6.12%+12,141+100.0%Added
IFM Investors Pty Ltd25,019$3.72M0.08%+183+0.7%Added
Segment Wealth Management, LLC25,286$3.76M0.45%+515+2.1%Added
Brookmont Capital Management25,340$3.77M2.22%−175−0.7%Reduced
Public Employees Retirement Association of Colorado25,603$3.81M0.02%00.0%Unchanged
Commonwealth of Pennsylvania Public School Empls Retrmt Sys25,909$3.85M0.04%+239+0.9%Added
Commonwealth Equity Services, LLC25,968$3.86M0.01%−1,450−5.3%Reduced
DnB Asset Management AS26,236$3.90M0.03%+1,844+7.6%Added
Mutual of America Capital Management LLC27,120$4.03M0.04%+393+1.5%Added
Employees Retirement System of Texas27,236$4.05M0.05%00.0%Unchanged
KG&L Capital Management,LLC28,000$4.16M1.83%00.0%Unchanged