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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 2026

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 2026. 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
1,295
+58 vs. Q1 2026
Shares held
238.5M
+10.9M (+4.8%) vs. Q1 2026
Total value
$54.7B
+$5.48B (+11.1%) vs. Q1 2026
New holders
164
464 more added
Sold out
106
483 more reduced

11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 1,295 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 2026: $54.7B
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 2026

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2026.

Institutions holding AJG in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Concord Wealth Partners39$8.95K0.00%+39New
Highline Wealth Partners LLC36$8.27K0.00%+6+20.0%Added
South State Corp.34$7.81K0.00%+17+100.0%Added
Financial Management Professionals, Inc.34$7.80K0.00%00.0%Unchanged
Cetera Trust Company, N.A34$7.80K0.00%00.0%Unchanged
Advocate Investing Services LLC33$7.58K0.01%00.0%Unchanged
Armstrong Advisory Group, Inc32$7.35K0.00%00.0%Unchanged
Greykasell Wealth Strategies, Inc.32$7.35K0.00%00.0%Unchanged
Delta Asset Management LLC31$7.12K0.00%−97−75.8%Reduced
Chilton Capital Management LLC30$6.89K0.00%−187−86.2%Reduced
Aventus Investment Advisors, Inc.30$6.89K0.01%00.0%Unchanged
Essential Partners LLC30$6.89K0.00%+6+25.0%Added
Synergy Investment Management, LLC25$6.72K0.00%+20+400.0%Added
Bell Investment Advisors, Inc28$6.43K0.00%−12−30.0%Reduced
Leonteq Securities AG28$6.43K0.00%00.0%Unchanged
Private Wealth Management Group, LLC26$5.97K0.00%+10+62.5%Added
Johnson Financial Group, Inc.25$5.74K0.00%−46−64.8%Reduced
Dunhill Financial, LLC24$5.59K0.00%−64−72.7%Reduced
Principia Wealth Advisory, LLC24$5.51K0.00%+6+33.3%Added
Aspect Partners, LLC23$5.28K0.00%−6−20.7%Reduced
Alerus Financial NA22$5.05K0.00%00.0%Unchanged
Hughes Financial Services, LLC21$4.82K0.00%+16+320.0%Added
Marquette Asset Management, LLC21$4.82K0.00%+21New
Rakuten Securities, Inc.20$4.59K0.00%−17−45.9%Reduced
Brown, Lisle/Cummings, Inc.20$4.59K0.00%−12−37.5%Reduced
True Wealth Design, LLC19$4.36K0.00%−3−13.6%Reduced
Asset Dedication, LLC18$4.13K0.00%+10+125.0%Added
Valued Wealth Advisors LLC16$3.71K0.00%00.0%Unchanged
Clark Wealth Partners16$3.67K0.00%+16New
Torren Management, LLC16$3.67K0.00%00.0%Unchanged
Salem Investment Counselors Inc15$3.44K0.00%00.0%Unchanged
Basepoint Wealth LLC15$3.44K0.00%00.0%Unchanged
Fairway Wealth LLC15$3.44K0.00%+15New
Abound Wealth Management15$3.38K0.00%−31−67.4%Reduced
Imprint Wealth LLC14$3.21K0.01%−14−50.0%Reduced
Bay Harbor Wealth Management, LLC14$3.21K0.00%−2−12.5%Reduced
Bard Associates Inc14$3.21K0.00%+5+55.6%Added
Washington Trust Advisors, Inc.14$3.21K0.00%+14New
Capital Advisors, Ltd. LLC15$3.00K0.00%+6+66.7%Added
Albion Financial Group13$2.98K0.00%−1−7.1%Reduced
Cranbrook Wealth Management, LLC13$2.98K0.00%00.0%Unchanged
Creative Capital Management Investments LLC13$2.98K0.00%+13New
C M Bidwell & Associates Ltd12$2.75K0.00%00.0%Unchanged
American Capital Advisory, LLC12$2.75K0.00%+4+50.0%Added
Activest Wealth Management11$2.52K0.00%−11−50.0%Reduced
Longfellow Investment Management Co LLC11$2.52K0.00%00.0%Unchanged
GoalVest Advisory LLC11$2.52K0.00%+11New
Key Capital Management, INC10$2.30K0.00%00.0%Unchanged
Financial Consulate, Inc10$2.30K0.00%+4+66.7%Added
Global Trust Asset Management, LLC10$2.30K0.00%+10New
Kingdom Financial Group LLC.9$2.07K0.00%+4+80.0%Added
Quaker Wealth Management, LLC9$2.07K0.00%+1+12.5%Added
Ameriflex Group, Inc.9$2.07K0.00%−1−10.0%Reduced
PayPay Securities Corp9$2.07K0.08%00.0%Unchanged
NBT Bank N A9$2.07K0.00%00.0%Unchanged
WestEnd Advisors, LLC9$2.07K0.00%+1+12.5%Added
Investors Research Corp8$1.84K0.00%00.0%Unchanged
POM Investment Strategies, LLC8$1.84K0.00%00.0%Unchanged
Benson Wealth Management INC8$1.84K0.00%00.0%Unchanged
Provenance Wealth Advisors, LLC7$1.61K0.00%00.0%Unchanged
HFM Investment Advisors, LLC7$1.61K0.00%+5+250.0%Added
Golden State Wealth Management, LLC7$1.61K0.00%+7New
TFC Financial Management5$1.15K0.00%00.0%Unchanged
Davis Capital Management5$1.15K0.00%+2+66.7%Added
Morton Brown Family Wealth, LLC5$1.15K0.00%+5New
Buck Wealth Strategies, LLC5$1.15K0.00%+5New
CKW Financial Group6$1.00K0.00%+6New
PFS Partners, LLC4$9190.00%00.0%Unchanged
BOK Financial Private Wealth, Inc.4$9190.00%+4New
Sunrise Financial Services, LLC4$9180.00%00.0%Unchanged
Barnes Dennig Private Wealth Management LLC4$9180.00%+4New
GHP Investment Advisors, Inc.3$6890.00%00.0%Unchanged
Triumph Capital Management3$6890.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.3$6890.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC3$6890.00%+3New
PEAK6 LLC3$6720.00%+3New
Halbert Hargrove Global Advisors, LLC3$6160.00%+3New
DecisionPoint Financial, LLC2$4800.00%00.0%Unchanged
Breakwater Investment Management2$4600.00%00.0%Unchanged
Seneschal Advisors, LLC2$4600.00%00.0%Unchanged
Redwood Park Advisors LLC2$4600.00%00.0%Unchanged
Elevated Capital Advisors, LLC2$4590.00%00.0%Unchanged
Strengthening Families & Communities, LLC2$4590.00%+2New
Caitong International Asset Management Co., Ltd2$4590.00%+2New
Downshift Financial, LLC2$4590.00%+2New
Medallion Wealth Advisors, LLC1$2300.00%−306−99.7%Reduced
Spectrum Wealth Advisory Group, LLC1$2300.00%+1New
Maryland Capital Advisors Inc.1$2300.00%+1New
Darwin Advisors, LLC0$2210.00%0New
Y.D. More Investments Ltd165$1270.00%+1+0.6%Added
Tounjian Advisory Partners, LLC1$1250.00%+1New
Loomis Sayles & Co L P0$390.00%0Unchanged
Coston, McIsaac & Partners4$00.00%00.0%Unchanged
Evolution Advisers, Inc.1$00.00%+1New
Navigoe, LLC2$00.00%+2New
Intact Investment Management Inc.0$00.00%−1,600−100.0%Sold out
Viking Global Investors LPSuperinvestorViking Global Investors0$00.00%−727,441−100.0%Sold out
Sandhill Capital Partners LLC0$00.00%−172,035−100.0%Sold out
Verition Fund Management LLC0$00.00%−90,646−100.0%Sold out
Generate Investment Management Ltd0$00.00%−90,000−100.0%Sold out