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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 2023

Institutional positions in Arthur J. Gallagher & Co. as of Jun 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
976
+30 vs. Q1 2023
Shares held
182.3M
−49.3M (−21.3%) vs. Q1 2023
Total value
$39.9B
+$5.35B (+15.5%) vs. Q1 2023
New holders
93
343 more added
Sold out
63
371 more reduced

5 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2023: 976 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 2023: $39.9B
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 2023

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2023.

Institutions holding AJG in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Atlantic Union Bankshares Corp29,833$6.55M0.65%−5,441−15.4%Reduced
TD Private Client Wealth LLC29,941$6.57M0.28%−2,055−6.4%Reduced
Mirae Asset Global Investments Co., Ltd.29,987$6.58M0.01%−12,349−29.2%Reduced
Janus Henderson Group PLC30,667$6.73M0.00%−3,238−9.6%Reduced
Ensign Peak Advisors, Inc30,758$6.75M0.01%+22,545+274.5%Added
Mutual of America Capital Management LLC30,801$6.76M0.08%+457+1.5%Added
Wealthfront Advisers LLC30,993$6.81M0.03%+227+0.7%Added
Silvant Capital Management LLC31,548$6.93M0.39%00.0%Unchanged
Douglass Winthrop Advisors, LLC31,685$6.96M0.17%−684−2.1%Reduced
USS Investment Management Ltd32,202$7.07M0.08%+871+2.8%Added
Sigma Investment Counselors Inc32,383$7.11M0.52%−114−0.4%Reduced
Private Advisor Group, LLC33,095$7.14M0.06%+270+0.8%Added
New York Life Investment Management LLC33,308$7.31M0.08%+145+0.4%Added
DnB Asset Management AS33,630$7.38M0.04%−740−2.2%Reduced
Public Employees Retirement Association of Colorado33,634$7.38M0.04%+104+0.3%Added
North Star Investment Management Corp.33,709$7.40M0.60%00.0%Unchanged
Walleye Capital LLC34,426$7.56M0.13%−2,021−5.5%Reduced
Marks Group Wealth Management, Inc34,580$7.59M0.90%−1,268−3.5%Reduced
Federated Hermes, Inc.34,580$7.59M0.02%−6,120−15.0%Reduced
Yousif Capital Management, LLC34,591$7.60M0.09%+401+1.2%Added
Zurcher Kantonalbank (Zurich Cantonalbank)34,610$7.60M0.03%+1,052+3.1%Added
Strategy Asset Managers LLC35,737$7.85M1.74%+989+2.8%Added
Bahl & Gaynor Inc35,822$7.87M0.05%−976−2.7%Reduced
First Manhattan Co35,853$7.87M0.03%−1,210−3.3%Reduced
James Investment Research Inc35,866$7.88M1.01%−454−1.3%Reduced
Utah Retirement Systems36,330$7.98M0.11%−700−1.9%Reduced
Running Oak Capital LLC36,516$8.02M1.96%+1,377+3.9%Added
Mariner, LLC36,931$8.11M0.02%+88+0.2%Added
HighTower Advisors, LLC37,093$8.15M0.02%−55,522−59.9%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys37,357$8.20M0.06%+1,402+3.9%Added
Segment Wealth Management, LLC37,636$8.26M0.85%−675−1.8%Reduced
Sit Investment Associates Inc37,641$8.27M0.22%−270−0.7%Reduced
Mercer Global Advisors Inc37,659$8.27M0.03%+19,753+110.3%Added
Citadel Advisors LLC37,805$8.30M0.01%−421,278−91.8%Reduced
Capital International Sarl38,123$8.37M0.38%+850+2.3%Added
Jane Street Group, LLC38,454$8.44M0.01%−39,476−50.7%Reduced
Oregon Public Employees Retirement Fund38,565$8.47M0.10%−2,036−5.0%Reduced
Alley Investment Management Company, LLC39,051$8.57M1.38%−140.0%Reduced
IFM Investors Pty Ltd39,628$8.70M0.11%+3,386+9.3%Added
First Trust Advisors LP39,675$8.71M0.01%−23,396−37.1%Reduced
Talbot Financial, LLC39,765$8.73M1.48%−701−1.7%Reduced
Forsta Ap-Fonden40,700$8.94M0.10%+5,100+14.3%Added
D. Scott Neal, Inc.40,820$8.96M6.74%+40,820New
Andra AP-fonden41,200$9.05M0.23%−15,700−27.6%Reduced
Dai-Ichi Life Insurance Company, Ltd41,226$9.05M0.19%00.0%Unchanged
Verity & Verity, LLC43,667$9.59M1.18%−1,038−2.3%Reduced
CIBC World Markets Corp43,690$9.59M0.08%+15,829+56.8%Added
Texas Permanent School Fund44,477$9.77M0.09%+702+1.6%Added
Rench Wealth Management, Inc.44,987$9.88M4.33%+141+0.3%Added
Smithbridge Asset Management Inc45,184$9.92M2.32%−310−0.7%Reduced
FineMark National Bank & Trust45,693$10.0M0.41%−880−1.9%Reduced
Dakota Wealth Management45,738$10.0M0.47%+11,844+34.9%Added
Tompkins Financial Corp46,770$10.3M1.61%−3,126−6.3%Reduced
Public Sector Pension Investment Board47,048$10.3M0.07%−2,124−4.3%Reduced
Storebrand Asset Management AS48,058$10.6M0.05%+39,405+455.4%Added
Appleton Partners Inc48,132$10.6M0.89%+4,833+11.2%Added
ProShare Advisors LLC48,299$10.6M0.03%+1,376+2.9%Added
State of Alaska, Department of Revenue48,422$10.6M0.13%−2,651−5.2%Reduced
Ilmarinen Mutual Pension Insurance Co48,500$10.6M0.14%−11,000−18.5%Reduced
Mastrapasqua Asset Management Inc48,907$10.7M1.21%−93−0.2%Reduced
Aviva PLC48,957$10.7M0.04%+30,593+166.6%Added
Vident Investment Advisory, LLC49,530$10.9M0.37%+4,959+11.1%Added
Miura Global Management, LLC50,000$11.0M6.36%+20,000+66.7%Added
Nicola Wealth Management Ltd.50,100$11.0M1.08%00.0%Unchanged
CIBC Asset Management Inc50,244$11.0M0.04%−728−1.4%Reduced
Marshall Wace, LLP50,417$11.1M0.02%+48,702+2,839.8%Added
CI Private Wealth, LLC50,908$11.2M0.03%−1,787−3.4%Reduced
First Republic Investment Management, Inc.50,951$11.2M0.06%−18,964−27.1%Reduced
Squarepoint Ops LLC51,021$11.2M0.06%+51,021New
Daiwa Securities Group Inc.52,729$11.6M0.08%+2,988+6.0%Added
Healthcare of Ontario Pension Plan Trust Fund53,000$11.6M0.05%+53,000New
Hantz Financial Services, Inc.53,303$11.7M0.29%+130.0%Added
Standard Life Aberdeen plc53,562$11.8M0.03%−602−1.1%Reduced
MetLife Investment Management54,813$12.0M0.09%−783−1.4%Reduced
Amalgamated Bank55,305$12.1M0.10%−112−0.2%Reduced
Brant Point Investment Management LLC57,026$12.5M2.86%−1,193−2.0%Reduced
Swiss Life Asset Management Ltd58,185$12.8M0.19%−2,452−4.0%Reduced
State of Michigan Retirement System58,887$12.9M0.08%+600+1.0%Added
Assenagon Asset Management S.A.59,189$13.0M0.05%+55,229+1,394.7%Added
Newport Capital Group, LLC59,279$13.0M6.54%+59,279New
The PNC Financial Services Group, Inc.59,789$13.1M0.01%+587+1.0%Added
Arizona State Retirement System61,192$13.4M0.11%+3,624+6.3%Added
Millennium Management LLC62,273$13.7M0.01%−373,548−85.7%Reduced
SG Americas Securities, LLC62,314$13.7M0.12%+59,700+2,283.9%Added
Nisa Investment Advisors, LLC62,538$13.7M0.10%−598−0.9%Reduced
Teacher Retirement System of Texas63,349$13.9M0.09%−40,116−38.8%Reduced
Man Group plc64,106$14.1M0.04%––
Bristlecone Advisors, LLC65,960$14.5M1.46%00.0%Unchanged
Rafferty Asset Management, LLC68,695$15.1M0.09%−2,793−3.9%Reduced
Nomura Asset Management Co Ltd70,109$15.4M0.07%+1,241+1.8%Added
State of Tennessee, Treasury Department70,160$15.4M0.06%+7,457+11.9%Added
American International Group, Inc.71,020$15.6M0.10%+963+1.4%Added
Picton Mahoney Asset Management72,592$15.9M0.78%+2,577+3.7%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund72,794$16.0M0.20%−700−1.0%Reduced
Baldwin Brothers Inc73,912$16.2M1.33%+12,760+20.9%Added
Robeco Institutional Asset Management B.V.74,766$16.4M0.04%−3,849−4.9%Reduced
Martingale Asset Management L P75,553$16.6M0.32%−15,767−17.3%Reduced
LPL Financial LLC75,844$16.7M0.01%+7,653+11.2%Added
11 Capital Partners LP76,453$16.8M9.48%−22,007−22.4%Reduced
Creative Planning77,729$17.1M0.02%+31,637+68.6%Added