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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 2023

Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 2023. 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
999
+37 vs. Q2 2023
Shares held
185.3M
+3.13M (+1.7%) vs. Q2 2023
Total value
$42.3B
+$2.36B (+5.9%) vs. Q2 2023
New holders
95
374 more added
Sold out
58
350 more reduced

14 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 999 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 2023: $42.3B
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 2023

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2023.

Institutions holding AJG in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
DRW Securities, LLC5,075$1.16M0.09%−1,310−20.5%Reduced
Essex Investment Management Co LLC5,080$1.16M0.19%00.0%Unchanged
Gilbert & Cook, Inc.5,139$1.17M0.18%+427+9.1%Added
Iams Wealth Management, LLC5,197$1.18M0.82%+5,197New
Prosperity Consulting Group, LLC5,210$1.19M0.55%+1,748+50.5%Added
Covenant Partners, LLC5,308$1.21M0.44%00.0%Unchanged
Oak Thistle LLC5,407$1.23M0.36%+5,407New
BI Asset Management Fondsmaeglerselskab A/S5,443$1.24M0.03%+1,297+31.3%Added
Disciplined Investments, LLC5,472$1.25M0.76%−32−0.6%Reduced
Evercore Wealth Management, LLC5,499$1.25M0.02%+3+0.1%Added
Harbor Advisors LLC5,500$1.25M0.27%+5,500New
Seelaus Asset Management LLC5,613$1.28M1.45%00.0%Unchanged
South Dakota Investment Council5,624$1.28M0.03%−400−6.6%Reduced
Northwestern Mutual Wealth Management Co5,640$1.29M0.00%+626+12.5%Added
Hennion & Walsh Asset Management, Inc.5,652$1.29M0.08%+2,894+104.9%Added
Siemens Fonds Invest GmbH5,655$1.29M0.13%+179+3.3%Added
MAI Capital Management5,658$1.29M0.02%−216−3.7%Reduced
Oak Ridge Investments LLC5,686$1.30M0.17%−12−0.2%Reduced
Strategic Investment Solutions, Inc.5,859$1.31M0.02%+5,766+6,200.0%Added
Allworth Financial LP5,791$1.32M0.01%+100+1.8%Added
Squarepoint Ops LLC5,850$1.33M0.01%−45,171−88.5%Reduced
B. Metzler seel. Sohn & Co. AG5,904$1.35M0.02%00.0%Unchanged
Capital Group Investment Management Pte. Ltd.5,964$1.36M0.09%+1,517+34.1%Added
Schechter Investment Advisors, LLC5,996$1.37M0.13%−78−1.3%Reduced
Crawford Investment Counsel Inc6,007$1.37M0.03%−292−4.6%Reduced
Builder Investment Group Inc6,010$1.37M0.54%00.0%Unchanged
Penserra Capital Management LLC6,064$1.38M0.03%+2,960+95.4%Added
CenterBook Partners LP6,277$1.43M0.18%−11−0.2%Reduced
World Equity Group, Inc.6,314$1.44M0.30%+3,156+99.9%Added
Hanlon Investment Management, Inc.6,308$1.44M0.43%−1,996−24.0%Reduced
Pine Valley Investments Ltd Liability Co6,318$1.44M0.14%+996+18.7%Added
Stephens Inc6,456$1.47M0.03%−27−0.4%Reduced
AIA Group Ltd6,456$1.47M0.07%+2,957+84.5%Added
Compass Ion Advisors, LLC6,508$1.48M0.25%+6,508New
Bleakley Financial Group, LLC6,594$1.50M0.05%−1,239−15.8%Reduced
Sawtooth Solutions, LLC6,594$1.50M0.05%−1,238−15.8%Reduced
Vinva Investment Management Ltd6,569$1.52M0.14%−8,993−57.8%Reduced
Proequities, Inc.6,756$1.54M0.12%−133−1.9%Reduced
Northwestern Mutual Investment Management Company, LLC6,803$1.55M0.04%+47+0.7%Added
Banco Bilbao Vizcaya Argentaria, S.A.6,811$1.55M0.02%+140+2.1%Added
TownSquare Capital, LLC6,867$1.57M0.03%+212+3.2%Added
Brookstone Capital Management6,813$1.57M0.03%+4,222+162.9%Added
Leeward Financial Partners, LLC6,970$1.59M0.88%+53+0.8%Added
FJ Capital Management LLC7,027$1.60M0.18%+3,884+123.6%Added
WBH Advisory Inc7,050$1.61M0.20%00.0%Unchanged
Signature Estate & Investment Advisors LLC7,063$1.61M0.05%−32−0.5%Reduced
Grimes & Company, Inc.7,113$1.62M0.06%+5+0.1%Added
Contravisory Investment Management, Inc.7,205$1.64M0.46%+1,766+32.5%Added
U.S. Capital Wealth Advisors, LLC7,245$1.65M0.07%−614−7.8%Reduced
Bright Rock Capital Management, LLC7,500$1.71M0.42%00.0%Unchanged
Game Creek Capital, LP7,500$1.71M1.14%+500+7.1%Added
Glenmede Trust Co NA7,539$1.72M0.01%−1,090−12.6%Reduced
Kentucky Retirement Systems Insurance Trust Fund7,655$1.74M0.14%−34−0.4%Reduced
Bain Capital Public Equity, LP7,670$1.75M1.52%−13,025−62.9%Reduced
Whittier Trust Co of Nevada Inc7,754$1.77M0.06%+94+1.2%Added
Meiji Yasuda Life Insurance Co7,764$1.77M0.05%00.0%Unchanged
Axxcess Wealth Management, LLC7,843$1.79M0.06%+4,458+131.7%Added
Callan Family Office, LLC7,850$1.79M0.48%+7,850New
Advisory Services Network, LLC7,869$1.79M0.05%+675+9.4%Added
First Nebraska Trust Co8,024$1.83M0.23%−75−0.9%Reduced
Savant Capital, LLC8,108$1.85M0.03%+86+1.1%Added
Norinchukin Bank, The8,112$1.85M0.04%−7,830−49.1%Reduced
Fosun International Ltd8,115$1.85M0.30%−1,572−16.2%Reduced
Terra Nova Asset Management LLC8,491$1.86M1.70%00.0%Unchanged
Cabot Wealth Management Inc8,220$1.87M0.29%00.0%Unchanged
Boston Private Wealth LLC8,234$1.88M0.04%−205−2.4%Reduced
Metis Global Partners, LLC8,261$1.88M0.09%+1,351+19.6%Added
Tilia Fiduciary Partners, Inc.8,277$1.89M1.96%+340+4.3%Added
Oppenheimer & Co Inc8,392$1.91M0.04%−258−3.0%Reduced
Bishop Rock Capital, L.P.8,475$1.93M7.93%−15,322−64.4%Reduced
NewEdge Wealth, LLC8,481$1.93M0.06%+8,481New
Vestmark Advisory Solutions, Inc.8,485$1.93M0.14%+6,660+364.9%Added
Ritholtz Wealth Management8,548$1.95M0.09%+51+0.6%Added
Raymond James Trust N.A.8,635$1.97M0.06%+369+4.5%Added
Leavell Investment Management, Inc.8,717$1.99M0.14%00.0%Unchanged
QRG Capital Management, Inc.8,725$1.99M0.03%+8,725New
Metropolitan Life Insurance Co8,917$2.03M0.11%−418−4.5%Reduced
Cresset Asset Management, LLC8,994$2.05M0.01%+244+2.8%Added
AlphaStar Capital Management, LLC9,000$2.05M0.26%+900+11.1%Added
Benjamin Edwards Inc9,150$2.08M0.49%−620−6.3%Reduced
Brinker Capital Investments, LLC9,248$2.11M0.03%+1,342+17.0%Added
Orion Portfolio Solutions, LLC9,248$2.11M0.03%+1,342+17.0%Added
Legato Capital Management LLC9,393$2.14M0.31%+58+0.6%Added
Coldstream Capital Management Inc9,581$2.18M0.07%−2,395−20.0%Reduced
Patton Fund Management, Inc.9,635$2.20M0.60%−6,613−40.7%Reduced
JJJ Advisors Inc.9,643$2.20M0.58%+7+0.1%Added
WBI Investments9,665$2.20M0.44%+1,468+17.9%Added
Brasada Capital Management, LP9,500$2.21M0.52%+9,500New
Prudential PLC9,980$2.27M0.03%−958−8.8%Reduced
Intrinsic Edge Capital Management LLC10,000$2.28M0.28%+10,000New
Moody National Bank Trust Division10,037$2.29M0.15%+26+0.3%Added
ING Groep NV10,055$2.29M0.02%−3,549−26.1%Reduced
Vontobel Holding Ltd.10,124$2.31M0.02%+7,000+224.1%Added
Guggenheim Capital LLC10,152$2.31M0.02%−7,040−40.9%Reduced
Advisors Asset Management, Inc.10,173$2.32M0.05%+1,583+18.4%Added
Insight Wealth Strategies, LLC10,215$2.33M0.45%+566+5.9%Added
Ascent Group, LLC9,444$2.33M0.26%+8,352+764.8%Added
Tower Research Capital LLC (TRC)10,383$2.37M0.07%+2,229+27.3%Added
Umb Bank N A10,385$2.37M0.04%−3,549−25.5%Reduced
Jag Capital Management, LLC10,471$2.39M0.29%−59−0.6%Reduced