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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, Q1 2024

Institutional positions in Arthur J. Gallagher & Co. as of Mar 31, 2024. 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
1,130
+59 vs. Q4 2023
Shares held
186.3M
−25.9K (0.0%) vs. Q4 2023
Total value
$46.5B
+$4.65B (+11.1%) vs. Q4 2023
New holders
135
432 more added
Sold out
76
398 more reduced

11 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 1,130 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 heldQ1 2024: $46.5B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q4 2023.

Institutions holding AJG in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Brant Point Investment Management LLC51,694$12.9M2.89%−1,932−3.6%Reduced
Hantz Financial Services, Inc.52,225$13.1M0.25%−2,973−5.4%Reduced
Dakota Wealth Management52,509$13.1M0.33%+46,499+773.7%Added
Mediolanum International Funds Ltd53,378$13.2M0.22%+53,378New
Creative Planning54,334$13.6M0.02%+3,932+7.8%Added
Wealth Enhancement Advisory Services, LLC54,405$13.6M0.04%+10.0%Added
Cetera Investment Advisers54,449$13.6M0.03%+33,972+165.9%Added
Capital International Ltd54,815$13.7M0.66%+24,432+80.4%Added
HighTower Advisors, LLC54,383$13.8M0.02%−1,675−3.0%Reduced
CIBC World Markets Corp55,043$13.8M0.09%+4,984+10.0%Added
The PNC Financial Services Group, Inc.55,058$13.8M0.01%−2,628−4.6%Reduced
Susquehanna International Group, LLP56,609$14.2M0.02%−3,877−6.4%Reduced
Exencial Wealth Advisors, LLC58,147$14.5M0.54%+58,147New
Nomura Asset Management Co Ltd59,241$14.8M0.05%+2,406+4.2%Added
State of Michigan Retirement System59,387$14.8M0.08%+300+0.5%Added
Handelsbanken Fonder AB59,868$15.0M0.06%+10,503+21.3%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund59,894$15.0M0.17%+900+1.5%Added
1832 Asset Management L.P.59,927$15.0M0.03%+9,581+19.0%Added
Canada Pension Plan Investment Board61,567$15.4M0.02%+39,334+176.9%Added
Arizona State Retirement System61,956$15.5M0.11%+1,324+2.2%Added
KBC Group NV62,617$15.7M0.05%+2,881+4.8%Added
Capital International Inc62,630$15.7M0.21%+19,918+46.6%Added
Varma Mutual Pension Insurance Co63,200$15.8M0.14%+52,300+479.8%Added
Nisa Investment Advisors, LLC63,760$15.9M0.10%−166−0.3%Reduced
Gradient Investments LLC64,042$16.0M0.37%+64,021+304,861.9%Added
State of Tennessee, Treasury Department64,271$16.1M0.06%+31,685+97.2%Added
Bristlecone Advisors, LLC64,893$16.2M1.43%−218−0.3%Reduced
Caisse de Depot Et Placement du Quebec66,159$16.5M0.04%−99,661−60.1%Reduced
American International Group, Inc.69,563$17.4M0.06%−557−0.8%Reduced
Vident Advisory, LLC70,156$17.5M0.37%+66,728+1,946.6%Added
Wilson Asset Management (International) Pty Ltd70,248$17.6M4.54%−8,759−11.1%Reduced
North Point Portfolio Managers Corp71,010$17.8M3.00%−942−1.3%Reduced
Thrivent Financial for Lutherans72,606$18.2M0.04%+1,176+1.6%Added
BNP Paribas73,139$18.2M0.85%+73,139New
CI Private Wealth, LLC72,666$18.2M0.03%+11,417+18.6%Added
Picton Mahoney Asset Management73,644$18.4M0.77%−12,878−14.9%Reduced
Schroder Investment Management Group74,304$18.6M0.02%−6,749−8.3%Reduced
11 Capital Partners LP75,430$18.9M8.26%−2,846−3.6%Reduced
Rafferty Asset Management, LLC76,261$19.1M0.07%−263−0.3%Reduced
Lawson Kroeker Investment Management Inc76,276$19.1M3.61%−643−0.8%Reduced
Capital International Sarl76,324$19.1M0.63%+30,297+65.8%Added
Renaissance Technologies LLC76,400$19.1M0.03%+76,400New
Intech Investment Management LLC77,942$19.5M0.27%−107,244−57.9%Reduced
GW&K Investment Management, LLC78,063$19.5M0.17%+6,078+8.4%Added
Baldwin Brothers Inc78,345$19.6M1.48%+344+0.4%Added
Jane Street Group, LLC78,624$19.7M0.03%+30,148+62.2%Added
Neuberger Berman Group LLC78,661$19.7M0.02%−22,780−22.5%Reduced
Robeco Institutional Asset Management B.V.78,943$19.7M0.04%−35,826−31.2%Reduced
Prospector Partners LLC80,264$20.1M2.32%−20,290−20.2%Reduced
National Bank of Canada80,198$20.1M0.04%−11,863−12.9%Reduced
SG Americas Securities, LLC80,624$20.2M0.10%+66,007+451.6%Added
Public Employees Retirement System of Ohio83,555$20.9M0.08%−11,599−12.2%Reduced
ARS Investment Partners, LLC83,599$20.9M2.08%−156−0.2%Reduced
Envestnet Portfolio Solutions, Inc.84,905$21.2M0.08%+5,401+6.8%Added
Asset Management One Co.,Ltd.86,111$21.5M0.08%−2,461−2.8%Reduced
Professional Advisory Services Inc86,243$21.6M2.93%−2,595−2.9%Reduced
Blair William & Co86,668$21.7M0.07%−1,228−1.4%Reduced
Mackenzie Financial Corp86,921$21.7M0.03%−25,166−22.5%Reduced
Mn Services Vermogensbeheer B.V.87,310$21.8M0.16%−15,300−14.9%Reduced
United Capital Financial Advisers, LLC88,521$22.1M0.18%−6,418−6.8%Reduced
Russell Investments Group, Ltd.88,759$22.1M0.03%+9,428+11.9%Added
Standard Life Aberdeen plc90,179$22.5M0.04%+1,128+1.3%Added
Cullen/Frost Bankers, Inc.90,320$22.6M0.33%+1,675+1.9%Added
Royal London Asset Management Ltd90,438$22.6M0.06%+400+0.4%Added
Sonora Investment Management Group, LLC91,439$22.9M1.79%+1,621+1.8%Added
Calamos Advisors LLC93,077$23.3M0.11%−2,341−2.5%Reduced
Benjamin F. Edwards & Company, Inc.94,225$23.6M0.43%+3,988+4.4%Added
Cumberland Partners Ltd95,797$24.0M1.74%−201−0.2%Reduced
Boston Financial Mangement LLC97,128$24.3M0.77%+1,204+1.3%Added
Treasurer of the State of North Carolina98,445$24.6M0.11%+1,770+1.8%Added
Danske Bank A/S99,641$24.9M0.08%+99,641New
US Bancorp99,865$25.0M0.03%−5,806−5.5%Reduced
Pictet Asset Management Holding SA100,053$25.0M0.03%+3,089+3.2%Added
DekaBank Deutsche Girozentrale103,265$25.4M0.05%−14,285−12.2%Reduced
Investment Management Corp of Ontario103,436$25.9M0.77%−1,600−1.5%Reduced
Van Hulzen Asset Management, LLC103,445$25.9M1.72%+3,756+3.8%Added
Resona Asset Management Co.,Ltd.104,878$26.2M0.16%+104,878New
Victory Capital Management Inc106,242$26.6M0.03%−2,791−2.6%Reduced
Philo Smith Capital Corp106,725$26.7M7.48%00.0%Unchanged
LPL Financial LLC107,583$26.9M0.01%+21,784+25.4%Added
Adage Capital Partners GP, L.L.C.107,603$26.9M0.05%−92,100−46.1%Reduced
Ameriprise Financial Inc107,971$27.0M0.01%−1,430−1.3%Reduced
Chartwell Investment Partners, LLC111,605$27.9M0.97%−1,221−1.1%Reduced
Raymond James Financial Services Advisors, Inc.111,657$27.9M0.04%−992−0.9%Reduced
Ferguson Wellman Capital Management, Inc114,522$28.6M0.58%−24,970−17.9%Reduced
United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund115,418$28.9M1.29%+32,087+38.5%Added
State of Wisconsin Investment Board115,776$28.9M0.08%+3,854+3.4%Added
Rathbone Brothers plc116,905$29.2M0.17%+90+0.1%Added
Tredje AP-fonden119,927$30.0M0.31%−93−0.1%Reduced
Federation des caisses Desjardins du Quebec126,654$30.0M0.22%+8,423+7.1%Added
Chevy Chase Trust Holdings, Inc.120,157$30.0M0.10%−495−0.4%Reduced
State of New Jersey Common Pension Fund D120,444$30.1M0.09%+1,823+1.5%Added
Thomasville National Bank121,870$30.5M2.51%−522−0.4%Reduced
AQR Capital Management LLC121,942$30.5M0.05%−6,065−4.7%Reduced
M&G Plc122,312$30.6M0.18%+122,312New
British Columbia Investment Management Corp123,958$31.0M0.21%+40,653+48.8%Added
Campbell Newman Asset Management Inc126,000$31.5M2.55%+19,009+17.8%Added
Cornerstone Capital, Inc.127,378$31.8M3.27%−9,111−6.7%Reduced
Ofi Invest Asset Management138,292$32.0M0.87%+3,276+2.4%Added
Man Group plc129,482$32.4M0.09%+40,951+46.3%Added