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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 2025

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 2025. 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
1,379
+36 vs. Q1 2025
Shares held
228.1M
−322.7K (−0.1%) vs. Q1 2025
Total value
$72.9B
−$5.88B (−7.5%) vs. Q1 2025
New holders
140
563 more added
Sold out
104
475 more reduced

16 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 1,380 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 2025: $72.9B
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 2025

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2025.

Institutions holding AJG in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Disciplined Investments, LLC5,897$1.87M0.79%−10.0%Reduced
Alteri Wealth LLC5,916$1.89M0.73%−105−1.7%Reduced
Frank, Rimerman Advisors LLC6,014$1.93M0.13%−278−4.4%Reduced
Quadrant Capital Group LLC6,076$1.95M0.07%+1,701+38.9%Added
J.W. Cole Advisors, Inc.6,254$2.00M0.04%+764+13.9%Added
Stephens Inc6,270$2.01M0.03%+228+3.8%Added
EP Wealth Advisors, LLC6,369$2.04M0.01%+4,298+207.5%Added
Cabot Wealth Management Inc6,415$2.05M0.24%−221−3.3%Reduced
Schear Investment Advisers, LLC6,490$2.08M1.03%+612+10.4%Added
C WorldWide Group Holding A/S6,549$2.10M0.03%00.0%Unchanged
VCI Wealth Management LLC6,671$2.14M0.75%+502+8.1%Added
Kentucky Retirement Systems Insurance Trust Fund6,686$2.14M0.15%−463−6.5%Reduced
Shell Asset Management Co6,734$2.16M0.07%+1,470+27.9%Added
Oppenheimer & Co Inc6,806$2.18M0.03%−348−4.9%Reduced
Leeward Financial Partners, LLC6,822$2.18M0.69%−401−5.6%Reduced
Savant Capital, LLC6,834$2.19M0.02%+442+6.9%Added
Iams Wealth Management, LLC6,834$2.19M1.00%−308−4.3%Reduced
AE Wealth Management LLC6,910$2.21M0.02%+58+0.8%Added
Meiji Yasuda Life Insurance Co6,917$2.21M0.07%+160+2.4%Added
Axxcess Wealth Management, LLC6,967$2.23M0.05%−504−6.7%Reduced
Atom Investors LP6,997$2.24M0.20%+6,997New
Pine Valley Investments Ltd Liability Co7,017$2.25M0.13%+276+4.1%Added
Moody National Bank Trust Division7,022$2.25M0.21%−329−4.5%Reduced
Cox Capital Mgt LLC7,103$2.27M1.55%−196−2.7%Reduced
Inceptionr LLC7,174$2.30M0.53%+6,420+851.5%Added
RFG Advisory, LLC7,208$2.31M0.05%+13+0.2%Added
Prime Capital Investment Advisors, LLC7,210$2.31M0.03%−611−7.8%Reduced
Arkadios Wealth Advisors7,211$2.31M0.07%+1,506+26.4%Added
Everence Capital Management Inc7,260$2.32M0.15%−390−5.1%Reduced
Grimes & Company, Inc.7,271$2.33M0.06%+20.0%Added
Arlington Trust Co LLC7,382$2.36M0.46%+1,538+26.3%Added
Pinnacle Wealth Planning Services, Inc.7,410$2.37M0.31%+284+4.0%Added
BTG Pactual Asset Management US LLC7,424$2.38M0.32%+7,424New
Guggenheim Capital LLC7,453$2.39M0.02%−10−0.1%Reduced
Wealthspire Advisors, LLC7,474$2.39M0.01%−100−1.3%Reduced
Resources Investment Advisors, LLC.7,499$2.40M0.03%−509−6.4%Reduced
Bright Rock Capital Management, LLC7,500$2.40M0.49%00.0%Unchanged
Advisory Services Network, LLC8,399$2.41M0.04%+279+3.4%Added
Quantessence Capital LLC7,548$2.42M0.71%+7,548New
Siemens Fonds Invest GmbH7,691$2.46M0.14%+755+10.9%Added
Bailard, Inc.7,698$2.46M0.06%+7,698New
Omers Administration Corp7,725$2.47M0.02%00.0%Unchanged
Trillium Asset Management, LLC7,726$2.47M0.07%00.0%Unchanged
Toroso Investments, LLC7,730$2.47M0.02%−3,583−31.7%Reduced
Harvest Investment Services, LLC7,764$2.49M0.56%+3,874+99.6%Added
Fulcrum Asset Management LLP7,774$2.49M0.71%+7,774New
Concurrent Investment Advisors, LLC7,783$2.49M0.05%+154+2.0%Added
VeraBank, N.A.7,800$2.50M0.50%+4,497+136.1%Added
Provident Wealth Management, LLC7,819$2.50M0.82%00.0%Unchanged
Farther Finance Advisors, LLC7,872$2.52M0.05%−815−9.4%Reduced
Wolverine Trading, LLC8,000$2.54M0.06%+8,000New
Nations Financial Group Inc,8,009$2.56M0.18%−21−0.3%Reduced
First Nebraska Trust Co8,099$2.59M0.25%00.0%Unchanged
Northwestern Mutual Investment Management Company, LLC8,169$2.62M0.04%+80+1.0%Added
Tokio Marine Asset Management Co Ltd8,347$2.67M0.10%+571+7.3%Added
Harbor Advisors LLC8,375$2.68M0.44%00.0%Unchanged
Illinois Municipal Retirement Fund8,394$2.69M0.04%−4,513−35.0%Reduced
Heritage Family Offices, LLP7,999$2.73M1.38%+753+10.4%Added
Jump Financial, LLC8,826$2.83M0.03%+8,826New
Exchange Traded Concepts, LLC8,942$2.86M0.04%+8,621+2,685.7%Added
Lido Advisors, LLC8,963$2.87M0.02%+1,945+27.7%Added
Glenmede Investment Management, LP9,115$2.92M0.01%+9,115New
LGT Fund Management Co Ltd.9,145$2.93M0.26%+1,545+20.3%Added
QRG Capital Management, Inc.9,174$2.94M0.03%−1,095−10.7%Reduced
Qsemble Capital Management, LP9,181$2.94M0.28%+9,181New
HB Wealth Management, LLC9,184$2.94M0.02%−813−8.1%Reduced
Knollwood Investment Advisory, LLC9,200$2.95M0.28%00.0%Unchanged
Umb Bank N A9,294$2.98M0.05%+45+0.5%Added
Old North State Trust, LLC9,295$2.98M2.03%−304−3.2%Reduced
Jane Street Group, LLC9,337$2.99M0.00%−48,214−83.8%Reduced
Leavell Investment Management, Inc.9,338$2.99M0.13%+319+3.5%Added
Apollon Wealth Management, LLC9,385$3.00M0.06%+2,183+30.3%Added
Synovus Financial Corp9,556$3.06M0.04%−102−1.1%Reduced
Lombard Odier Asset Management (USA) Corp9,565$3.06M0.77%+2,228+30.4%Added
AG2R la Mondiale Gestion D'Actifs9,703$3.11M0.16%+373+4.0%Added
Ritholtz Wealth Management9,835$3.15M0.07%+747+8.2%Added
Robeco Institutional Asset Management B.V.9,903$3.17M0.01%−2,788−22.0%Reduced
Fairfield Financial Advisors, LTD9,961$3.19M1.12%+1,758+21.4%Added
Trueblood Wealth Management, LLC9,990$3.20M1.34%+182+1.9%Added
BI Asset Management Fondsmaeglerselskab A/S9,993$3.20M0.03%+1,483+17.4%Added
Virtu Financial LLC10,000$3.20M0.16%+10,000New
Game Creek Capital, LP10,000$3.20M1.64%00.0%Unchanged
Anthracite Investment Company, Inc.10,000$3.20M1.67%00.0%Unchanged
Ancora Advisors, LLC10,015$3.21M0.07%+55+0.6%Added
Lombard Odier Asset Management (Switzerland) SA10,019$3.21M0.16%−45−0.4%Reduced
DMKC Advisory Services, LLC10,307$3.24M1.69%+10,307New
Tilia Fiduciary Partners, Inc.10,213$3.27M2.00%+121+1.2%Added
Walleye Trading LLC10,224$3.27M0.08%+7,770+316.6%Added
Stonebridge Capital Management Inc10,262$3.29M1.28%−475−4.4%Reduced
Terra Nova Asset Management LLC10,268$3.29M2.30%+56+0.5%Added
Summit Global Investments10,438$3.34M0.20%+5,116+96.1%Added
Jones Financial Companies LLLP10,525$3.34M0.00%+5,281+100.7%Added
RSM US Wealth Management LLC10,647$3.41M0.05%−3,047−22.3%Reduced
Qube Research & Technologies Ltd10,711$3.43M0.00%+10,711New
Allworth Financial LP10,855$3.47M0.02%+6,917+175.6%Added
Whittier Trust Co10,866$3.48M0.04%−19−0.2%Reduced
WESPAC Advisors SoCal, LLC10,945$3.50M0.78%+10,945New
Cornerstone Advisors, LLC11,000$3.52M0.12%00.0%Unchanged
E. Ohman J:or Asset Management AB11,075$3.55M0.09%−135−1.2%Reduced
Allspring Global Investments Holdings, LLC11,121$3.55M0.01%−159−1.4%Reduced