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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
EverSource Wealth Advisors, LLC3,333$1.07M0.05%+475+16.6%Added
GPS Wealth Strategies Group, LLC3,354$1.07M0.12%+24+0.7%Added
Cinctive Capital Management LP3,356$1.07M0.06%−1,285−27.7%Reduced
CTC Alternative Strategies, Ltd.3,360$1.08M0.94%+3,360New
Ibex Wealth Advisors3,387$1.08M0.12%+3,387New
TFR Capital, LLC.3,434$1.10M0.40%+129+3.9%Added
Greenleaf Trust3,452$1.11M0.01%−279−7.5%Reduced
Wedmont Private Capital3,513$1.11M0.05%−63−1.8%Reduced
Guinness Atkinson Asset Management Inc3,463$1.11M0.58%00.0%Unchanged
Arete Wealth Advisors, LLC3,479$1.11M0.08%+193+5.9%Added
Canada Post Corp Registered Pension Plan3,529$1.13M0.07%+3,529New
PFG Investments, LLC3,582$1.15M0.07%+5+0.1%Added
Pinnacle Financial Partners Inc3,593$1.15M0.02%+1,029+40.1%Added
Catalyst Funds Management Pty Ltd3,600$1.15M0.32%+3,600New
National Asset Management, Inc.3,622$1.16M0.06%−6,303−63.5%Reduced
Pensionmark Financial Group, LLC3,671$1.18M0.03%+2,417+192.7%Added
Promus Capital, LLC3,696$1.18M0.77%+714+23.9%Added
Ronald Blue Trust, Inc.3,739$1.20M0.01%−88−2.3%Reduced
Menard Financial Group LLC3,739$1.20M0.71%−73−1.9%Reduced
Lebenthal Global Advisors, LLC3,780$1.21M0.23%−112−2.9%Reduced
Susquehanna Fundamental Investments, LLC3,799$1.22M0.03%00.0%Unchanged
Dynamic Technology Lab Private Ltd3,822$1.22M0.17%+3,822New
Essex Investment Management Co LLC3,887$1.24M0.23%00.0%Unchanged
Clarus Wealth Advisors3,971$1.25M0.58%+1,313+49.4%Added
Connecticut Wealth Management, LLC3,901$1.25M0.06%00.0%Unchanged
Advisor OS, LLC3,911$1.25M0.12%−226−5.5%Reduced
Citizens Financial Group Inc3,920$1.25M0.02%+139+3.7%Added
Abn Amro Investment Solutions3,924$1.26M0.03%−652−14.2%Reduced
Oak Ridge Investments LLC3,928$1.26M0.09%−647−14.1%Reduced
Whittier Trust Co of Nevada Inc3,932$1.26M0.03%+45+1.2%Added
Pinnacle Associates Ltd3,953$1.27M0.02%+144+3.8%Added
NVWM, LLC3,955$1.27M0.31%−22−0.6%Reduced
Forte Capital LLC3,963$1.27M0.14%+191+5.1%Added
Morningstar Investment Management LLC3,964$1.27M0.11%+3,964New
Bokf, NA3,995$1.28M0.02%−9,557−70.5%Reduced
Fiduciary Alliance LLC3,996$1.28M0.10%+84+2.1%Added
Banque Cantonale Vaudoise4,009$1.28M0.05%+662+19.8%Added
Sigma Planning Corp4,035$1.29M0.04%+2,404+147.4%Added
Parallel Advisors, LLC4,083$1.31M0.03%−164−3.9%Reduced
Gilbert & Cook, Inc.4,121$1.32M0.18%+55+1.4%Added
Everett Harris & Co4,193$1.34M0.02%00.0%Unchanged
St Germain D J Co Inc4,195$1.34M0.06%00.0%Unchanged
Panagora Asset Management Inc4,271$1.37M0.01%−2,299−35.0%Reduced
Ellis Investment Partners, LLC4,271$1.37M0.27%−79−1.8%Reduced
Fiduciary Trust Co4,299$1.38M0.02%+205+5.0%Added
Meiji Yasuda Asset Management Co Ltd.4,312$1.38M0.07%−2,712−38.6%Reduced
Court Place Advisors, LLC4,333$1.39M0.44%−65−1.5%Reduced
Skopos Labs, Inc.4,342$1.39M0.18%+2,946+211.0%Added
Signaturefd, LLC4,360$1.40M0.02%+162+3.9%Added
SFM, LLC4,361$1.40M0.90%+338+8.4%Added
HMS Capital Management, LLC4,365$1.40M0.63%−147−3.3%Reduced
Laurion Capital Management LP4,372$1.40M0.16%+4,372New
Marino, Stram & Associates LLC4,484$1.44M0.29%+521+13.1%Added
Union Bancaire Privee, UBP SA5,710$1.45M0.02%+5,710New
Ostrum Asset Management4,569$1.46M0.07%−3,134−40.7%Reduced
Wedbush Securities Inc4,580$1.47M0.05%+223+5.1%Added
Landscape Capital Management, L.L.C.4,590$1.47M0.12%+4,590New
Coastal Bridge Advisors, LLC4,602$1.47M0.12%+4,602New
EPG Wealth Management LLC4,602$1.47M0.44%+104+2.3%Added
Meeder Advisory Services, Inc.4,610$1.48M0.08%+72+1.6%Added
Horizon Investments, LLC4,615$1.48M0.02%+531+13.0%Added
Hanlon Investment Management, Inc.4,733$1.52M1.09%−227−4.6%Reduced
Evercore Wealth Management, LLC4,746$1.52M0.02%−40−0.8%Reduced
RMB Capital Management, LLC4,746$1.52M0.03%+4,746New
Ascent Group, LLC4,770$1.53M0.06%−1,409−22.8%Reduced
Walleye Capital LLC4,902$1.57M0.01%+3,401+226.6%Added
Scientech Research LLC4,931$1.58M0.39%+4,931New
Merrion Investment Management Co, LLC5,000$1.60M1.04%00.0%Unchanged
Jefferies Financial Group Inc.5,000$1.60M0.03%+5,000New
Atria Wealth Solutions, Inc.5,015$1.61M0.04%−4,348−46.4%Reduced
Aptus Capital Advisors, LLC5,032$1.61M0.02%+1,953+63.4%Added
K.J. Harrison & Partners Inc5,104$1.63M0.27%+4+0.1%Added
Penobscot Investment Management Company, Inc.5,170$1.66M0.14%−5−0.1%Reduced
Vestcor Inc5,183$1.66M0.05%+326+6.7%Added
GAMMA Investing LLC5,187$1.66M0.10%+870+20.2%Added
Parsons Capital Management Inc5,192$1.66M0.10%+105+2.1%Added
Legato Capital Management LLC5,210$1.67M0.20%+28+0.5%Added
Argent Trust Co5,220$1.67M0.06%+642+14.0%Added
Oak Thistle LLC5,226$1.67M0.25%+5,226New
Dover Advisors, LLC5,228$1.67M0.74%−84−1.6%Reduced
Covenant Partners, LLC5,288$1.69M0.51%00.0%Unchanged
Wiley Bros.-Aintree Capital, LLC5,282$1.70M0.01%+1,515+40.2%Added
Steward Partners Investment Advisory, LLC5,299$1.70M0.01%+1,152+27.8%Added
RFG - Bristol Wealth Advisors, LLC5,311$1.70M0.53%−266−4.8%Reduced
Coppell Advisory Solutions LLC5,361$1.70M0.21%−304−5.4%Reduced
BankPlus Trust Department5,334$1.71M0.51%+409+8.3%Added
Potomac Fund Management Inc5,566$1.72M0.10%+184+3.4%Added
Empower Advisory Group, LLC5,391$1.73M0.01%+2,573+91.3%Added
Trustmark National Bank Trust Department5,432$1.74M0.12%+1,885+53.1%Added
Seelaus Asset Management LLC5,461$1.75M1.55%−20−0.4%Reduced
Builder Investment Group Inc5,496$1.76M0.43%−100−1.8%Reduced
Eagle Wealth Strategies LLC5,500$1.76M0.98%−19−0.3%Reduced
Contravisory Investment Management, Inc.5,501$1.76M0.35%+35+0.6%Added
MAI Capital Management5,503$1.76M0.01%+576+11.7%Added
Independent Advisor Alliance5,535$1.77M0.05%+1,359+32.5%Added
South Dakota Investment Council5,617$1.80M0.03%00.0%Unchanged
MUFG Securities Americas Inc.5,676$1.82M0.16%+1,174+26.1%Added
PEAK6 LLC5,750$1.84M0.06%+1,041+22.1%Added
Keybank National Association5,750$1.84M0.01%−59−1.0%Reduced
Ossiam5,841$1.87M0.02%+254+4.5%Added