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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, Q4 2022

Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 2022. 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
921
+78 vs. Q3 2022
Shares held
181.3M
+145.1K (+0.1%) vs. Q3 2022
Total value
$34.1B
+$3.06B (+9.9%) vs. Q3 2022
New holders
125
318 more added
Sold out
47
314 more reduced

22 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 921 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: 1,359 institutionsQ2 2025: 1,379 institutionsQ3 2025: 1,341 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ4 2022: $34.1B
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 20251,341$69.7B
Q2 20251,379$72.9B
Q1 20251,359$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, Q4 2022

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2022.

Institutions holding AJG in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Advisor Group Holdings, Inc.145,859$27.5M0.06%+787+0.5%Added
Tredje AP-fonden147,510$27.8M0.47%−18,476−11.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.148,831$27.9M0.08%+15,628+11.7%Added
Mackenzie Financial Corp152,073$28.7M0.05%+2,889+1.9%Added
Natixis Advisors, L.P.155,503$29.3M0.11%−3,389−2.1%Reduced
First Trust Advisors LP158,451$29.9M0.04%+16,915+12.0%Added
1832 Asset Management L.P.161,310$30.4M0.06%−2,109−1.3%Reduced
Qube Research & Technologies Ltd171,161$32.3M0.19%+166,755+3,784.7%Added
Allianz Asset Management GmbH173,062$32.6M0.07%+98,879+133.3%Added
Cornerstone Capital, Inc.174,543$32.9M4.22%+25,031+16.7%Added
New York State Teachers Retirement System181,066$34.1M0.08%+2,191+1.2%Added
Thrivent Financial for Lutherans183,199$34.5M0.09%+25,037+15.8%Added
Intech Investment Management LLC183,883$34.7M0.26%−62,475−25.4%Reduced
United Capital Financial Advisers, LLC194,721$36.7M0.21%−17,796−8.4%Reduced
Voloridge Investment Management, LLC195,361$36.8M0.21%−1,558−0.8%Reduced
Caisse de Depot Et Placement du Quebec196,288$37.0M0.11%−99,239−33.6%Reduced
Prudential Financial Inc198,561$37.4M0.06%+245+0.1%Added
Comerica Bank193,321$37.8M0.29%+12,015+6.6%Added
Citigroup Inc201,385$38.0M0.05%+34,036+20.3%Added
State Board of Administration of Florida Retirement System204,736$38.6M0.09%−1,990−1.0%Reduced
KBC Group NV204,965$38.6M0.19%+52,059+34.0%Added
Great West Life Assurance Co210,239$39.9M0.10%+778+0.4%Added
Bank of Montreal209,900$39.9M0.03%+32,127+18.1%Added
Vaughan Nelson Investment Management, L.P.212,828$40.1M0.52%−6,651−3.0%Reduced
T. Rowe Price Investment Management, Inc.214,869$40.5M0.03%+27,193+14.5%Added
Fort Washington Investment Advisors Inc216,021$40.7M0.32%+270.0%Added
Macquarie Group Ltd218,356$41.2M0.05%−6,687−3.0%Reduced
Korea Investment CORP218,996$41.3M0.13%+36,487+20.0%Added
Gateway Investment Advisers LLC233,699$44.1M0.54%+1,329+0.6%Added
Bain Capital Public Equity Management II, LLC239,860$45.2M2.68%−259,682−52.0%Reduced
HSBC Holdings PLC249,950$47.0M0.06%+86,498+52.9%Added
Payden & Rygel250,380$47.2M2.52%+38,580+18.2%Added
Close Asset Management Ltd253,300$47.8M2.54%−4,500−1.7%Reduced
Wells Fargo & Company253,699$47.8M0.02%+21,053+9.0%Added
Dearborn Partners LLC257,450$48.5M1.96%−46,603−15.3%Reduced
Raymond James & Associates260,978$49.2M0.05%−55,002−17.4%Reduced
Alliancebernstein L.P.273,614$51.6M0.02%−237−0.1%Reduced
Principal Financial Group Inc273,711$51.6M0.04%−10,853−3.8%Reduced
STRS Ohio274,836$51.8M0.23%+948+0.3%Added
Virginia Retirement Systems Et Al281,277$53.0M0.55%−124,523−30.7%Reduced
Artisan Partners Limited Partnership281,472$53.1M0.09%+281,472New
Mountain Pacific Investment Advisers Inc288,345$54.4M3.94%−11,833−3.9%Reduced
Welch Group, LLC293,409$55.3M3.16%−6,103−2.0%Reduced
Welch & Forbes LLC294,108$55.5M0.99%−3,022−1.0%Reduced
Epoch Investment Partners, Inc.298,218$56.2M0.34%−6,047−2.0%Reduced
Millennium Management LLC298,472$56.3M0.06%+294,574+7,557.1%Added
Citadel Advisors LLC301,233$56.8M0.07%+292,254+3,254.9%Added
Gillson Capital LP302,161$57.0M4.31%−167,502−35.7%Reduced
Franklin Resources Inc308,111$58.1M0.03%+108,611+54.4%Added
APG Asset Management N.V.309,790$58.4M0.11%−416,307−57.3%Reduced
Woodley Farra Manion Portfolio Management Inc317,930$59.9M4.35%−34,149−9.7%Reduced
National Pension Service331,575$62.5M0.12%+437+0.1%Added
Old Republic International Corporation334,100$63.0M1.98%00.0%Unchanged
Investment Management Corp of Ontario340,000$64.1M3.12%+40,000+13.3%Added
Kornitzer Capital Management Inc341,870$64.5M1.31%−3,600−1.0%Reduced
California State Teachers Retirement System352,665$66.5M0.10%+5,221+1.5%Added
TD Asset Management Inc361,293$68.1M0.08%−1,944−0.5%Reduced
UBS Group AG367,314$69.3M0.03%+158,460+75.9%Added
New York State Common Retirement Fund367,892$69.4M0.10%−9,011−2.4%Reduced
Barclays PLC371,437$70.0M0.06%+28,401+8.3%Added
Rhumbline Advisers389,713$73.5M0.10%+23,118+6.3%Added
Westwood Holdings Group Inc.406,893$76.7M0.68%+376,042+1,218.9%Added
Royal Bank of Canada413,743$78.0M0.02%+11,096+2.8%Added
Echo Street Capital Management LLC418,954$79.0M0.76%−174,044−29.3%Reduced
Point72 Asset Management, L.P.431,017$81.3M0.31%+215,208+99.7%Added
Regions Financial Corp454,145$85.6M0.79%−11,870−2.5%Reduced
American Century Companies Inc456,737$86.1M0.07%+389,914+583.5%Added
Fenimore Asset Management Inc476,873$89.9M2.42%−18,076−3.7%Reduced
Cooper Investors Pty Ltd491,636$92.7M8.72%−71,286−12.7%Reduced
Westfield Capital Management Co LP491,821$92.7M0.72%+7,308+1.5%Added
Zacks Investment Management504,213$95.1M1.33%+19,385+4.0%Added
Fort Pitt Capital Group, LLC511,567$96.5M3.94%−8,739−1.7%Reduced
Global Retirement Partners, LLC511,736$96.5M6.63%−4,100−0.8%Reduced
Amundi508,039$99.5M0.05%−41,437−7.5%Reduced
Credit Suisse AG562,935$106.1M0.11%+34,213+6.5%Added
Sumitomo Mitsui Trust Holdings, Inc.595,219$112.2M0.09%−5,580−0.9%Reduced
Nuveen Asset Management, LLC614,222$115.8M0.04%−38,320−5.9%Reduced
Axiom Investors LLC616,600$116.3M2.29%+616,600New
Lord, Abbett & Co. LLC618,298$116.6M0.42%−248,385−28.7%Reduced
Guinness Asset Management LTD622,110$117.3M3.30%−50,305−7.5%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main628,427$118.5M0.21%+40,622+6.9%Added
Deutsche Bank AG647,793$122.1M0.07%+72,842+12.7%Added
Price T Rowe Associates Inc649,542$122.5M0.02%+42,451+7.0%Added
Champlain Investment Partners, LLC659,765$124.4M0.80%−470,375−41.6%Reduced
Beck Mack & Oliver LLC686,912$129.5M3.81%−9,473−1.4%Reduced
Bank of America Corp745,186$140.5M0.02%−132,221−15.1%Reduced
Mitsubishi UFJ Trust & Banking Corp777,523$146.6M0.38%−100,704−11.5%Reduced
Dimensional Fund Advisors LP789,122$148.8M0.05%−67,197−7.8%Reduced
Manufacturers Life Insurance Company, The791,119$149.2M0.09%−261,297−24.8%Reduced
Swiss National Bank854,900$161.2M0.12%−55,405−6.1%Reduced
Goldman Sachs Group Inc881,449$166.2M0.05%+87,589+11.0%Added
Voya Investment Management LLC881,583$166.2M0.19%+208,946+31.1%Added
Bessemer Group Inc905,691$170.8M0.42%+10,774+1.2%Added
Envestnet Asset Management Inc956,616$180.4M0.09%+5,626+0.6%Added
Mawer Investment Management Ltd.974,354$183.7M1.04%−14,610−1.5%Reduced
Adage Capital Partners GP, L.L.C.1,024,403$193.1M0.46%+220,100+27.4%Added
Burgundy Asset Management Ltd.1,115,510$210.3M2.72%−76,069−6.4%Reduced
UBS Asset Management Americas Inc1,303,554$245.8M0.13%−242,531−15.7%Reduced
Legal & General Group Plc1,360,178$256.5M0.10%−89,101−6.1%Reduced
California Public Employees Retirement System1,396,813$263.4M0.22%−52,247−3.6%Reduced