Skip to main content

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
New York State Common Retirement Fund221,663$55.4M0.07%−53,453−19.4%Reduced
Retirement Systems of Alabama214,951$53.7M0.21%+269+0.1%Added
Great West Life Assurance Co212,914$53.3M0.11%+4,515+2.2%Added
Korea Investment CORP200,538$50.1M0.13%−23,027−10.3%Reduced
Premier Fund Managers Ltd200,000$49.6M1.96%00.0%Unchanged
SEI Investments Co194,568$48.6M0.07%+20,302+11.7%Added
MML Investors Services, LLC194,161$48.5M0.20%+8,630+4.7%Added
Old Republic International Corporation190,800$47.7M1.88%−124,000−39.4%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.189,326$47.3M0.13%+158,295+510.1%Added
Gateway Investment Advisers LLC187,159$46.8M0.53%−610.0%Reduced
GWM Advisors LLC183,979$46.0M0.40%−1,522−0.8%Reduced
New York State Teachers Retirement System176,638$44.2M0.09%+490.0%Added
Storebrand Asset Management AS174,489$43.6M0.15%+104+0.1%Added
Dearborn Partners LLC174,291$43.6M1.87%−37,476−17.7%Reduced
Prudential Financial Inc172,237$43.1M0.06%−3,375−1.9%Reduced
STRS Ohio172,000$43.0M0.17%+511+0.3%Added
Citigroup Inc171,073$42.8M0.05%−48,933−22.2%Reduced
Fort Washington Investment Advisors Inc163,606$40.9M0.26%−1,555−0.9%Reduced
GuoLine Advisory Pte Ltd159,600$39.9M4.86%00.0%Unchanged
Stifel Financial Corp159,346$39.8M0.05%+29,415+22.6%Added
Eventide Asset Management, LLC156,160$39.0M0.61%+29,974+23.8%Added
State Board of Administration of Florida Retirement System201,616$38.6M0.09%−440−0.2%Reduced
Clark Capital Management Group, Inc.151,804$38.0M0.28%+151,804New
Truist Financial Corp150,661$37.7M0.06%+10,691+7.6%Added
Macquarie Group Ltd146,405$36.6M0.04%−37,272−20.3%Reduced
RDST Capital LLC135,500$33.9M8.42%+99,020+271.4%Added
Toronto Dominion Bank134,211$33.6M0.05%−2,161−1.6%Reduced
Payden & Rygel133,700$33.4M2.28%+64,800+94.0%Added
Payden & Rygel Investment Group133,700$33.4M2.28%+133,700New
Beacon Pointe Advisors, LLC129,604$32.4M0.36%−543−0.4%Reduced
Man Group plc129,482$32.4M0.09%+40,951+46.3%Added
Ofi Invest Asset Management138,292$32.0M0.87%+3,276+2.4%Added
Cornerstone Capital, Inc.127,378$31.8M3.27%−9,111−6.7%Reduced
Campbell Newman Asset Management Inc126,000$31.5M2.55%+19,009+17.8%Added
British Columbia Investment Management Corp123,958$31.0M0.21%+40,653+48.8%Added
M&G Plc122,312$30.6M0.18%+122,312New
AQR Capital Management LLC121,942$30.5M0.05%−6,065−4.7%Reduced
Thomasville National Bank121,870$30.5M2.51%−522−0.4%Reduced
State of New Jersey Common Pension Fund D120,444$30.1M0.09%+1,823+1.5%Added
Chevy Chase Trust Holdings, Inc.120,157$30.0M0.10%−495−0.4%Reduced
Federation des caisses Desjardins du Quebec126,654$30.0M0.22%+8,423+7.1%Added
Tredje AP-fonden119,927$30.0M0.31%−93−0.1%Reduced
Rathbone Brothers plc116,905$29.2M0.17%+90+0.1%Added
State of Wisconsin Investment Board115,776$28.9M0.08%+3,854+3.4%Added
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
Ferguson Wellman Capital Management, Inc114,522$28.6M0.58%−24,970−17.9%Reduced
Raymond James Financial Services Advisors, Inc.111,657$27.9M0.04%−992−0.9%Reduced
Chartwell Investment Partners, LLC111,605$27.9M0.97%−1,221−1.1%Reduced
Ameriprise Financial Inc107,971$27.0M0.01%−1,430−1.3%Reduced
Adage Capital Partners GP, L.L.C.107,603$26.9M0.05%−92,100−46.1%Reduced
LPL Financial LLC107,583$26.9M0.01%+21,784+25.4%Added
Philo Smith Capital Corp106,725$26.7M7.48%00.0%Unchanged
Victory Capital Management Inc106,242$26.6M0.03%−2,791−2.6%Reduced
Resona Asset Management Co.,Ltd.104,878$26.2M0.16%+104,878New
Van Hulzen Asset Management, LLC103,445$25.9M1.72%+3,756+3.8%Added
Investment Management Corp of Ontario103,436$25.9M0.77%−1,600−1.5%Reduced
DekaBank Deutsche Girozentrale103,265$25.4M0.05%−14,285−12.2%Reduced
Pictet Asset Management Holding SA100,053$25.0M0.03%+3,089+3.2%Added
US Bancorp99,865$25.0M0.03%−5,806−5.5%Reduced
Danske Bank A/S99,641$24.9M0.08%+99,641New
Treasurer of the State of North Carolina98,445$24.6M0.11%+1,770+1.8%Added
Boston Financial Mangement LLC97,128$24.3M0.77%+1,204+1.3%Added
Cumberland Partners Ltd95,797$24.0M1.74%−201−0.2%Reduced
Benjamin F. Edwards & Company, Inc.94,225$23.6M0.43%+3,988+4.4%Added
Calamos Advisors LLC93,077$23.3M0.11%−2,341−2.5%Reduced
Sonora Investment Management Group, LLC91,439$22.9M1.79%+1,621+1.8%Added
Royal London Asset Management Ltd90,438$22.6M0.06%+400+0.4%Added
Cullen/Frost Bankers, Inc.90,320$22.6M0.33%+1,675+1.9%Added
Standard Life Aberdeen plc90,179$22.5M0.04%+1,128+1.3%Added
Russell Investments Group, Ltd.88,759$22.1M0.03%+9,428+11.9%Added
United Capital Financial Advisers, LLC88,521$22.1M0.18%−6,418−6.8%Reduced
Mn Services Vermogensbeheer B.V.87,310$21.8M0.16%−15,300−14.9%Reduced
Mackenzie Financial Corp86,921$21.7M0.03%−25,166−22.5%Reduced
Blair William & Co86,668$21.7M0.07%−1,228−1.4%Reduced
Professional Advisory Services Inc86,243$21.6M2.93%−2,595−2.9%Reduced
Asset Management One Co.,Ltd.86,111$21.5M0.08%−2,461−2.8%Reduced
Envestnet Portfolio Solutions, Inc.84,905$21.2M0.08%+5,401+6.8%Added
ARS Investment Partners, LLC83,599$20.9M2.08%−156−0.2%Reduced
Public Employees Retirement System of Ohio83,555$20.9M0.08%−11,599−12.2%Reduced
SG Americas Securities, LLC80,624$20.2M0.10%+66,007+451.6%Added
National Bank of Canada80,198$20.1M0.04%−11,863−12.9%Reduced
Prospector Partners LLC80,264$20.1M2.32%−20,290−20.2%Reduced
Robeco Institutional Asset Management B.V.78,943$19.7M0.04%−35,826−31.2%Reduced
Neuberger Berman Group LLC78,661$19.7M0.02%−22,780−22.5%Reduced
Jane Street Group, LLC78,624$19.7M0.03%+30,148+62.2%Added
Baldwin Brothers Inc78,345$19.6M1.48%+344+0.4%Added
GW&K Investment Management, LLC78,063$19.5M0.17%+6,078+8.4%Added
Intech Investment Management LLC77,942$19.5M0.27%−107,244−57.9%Reduced
Renaissance Technologies LLC76,400$19.1M0.03%+76,400New
Capital International Sarl76,324$19.1M0.63%+30,297+65.8%Added
Lawson Kroeker Investment Management Inc76,276$19.1M3.61%−643−0.8%Reduced
Rafferty Asset Management, LLC76,261$19.1M0.07%−263−0.3%Reduced
11 Capital Partners LP75,430$18.9M8.26%−2,846−3.6%Reduced
Schroder Investment Management Group74,304$18.6M0.02%−6,749−8.3%Reduced
Picton Mahoney Asset Management73,644$18.4M0.77%−12,878−14.9%Reduced
CI Private Wealth, LLC72,666$18.2M0.03%+11,417+18.6%Added
BNP Paribas73,139$18.2M0.85%+73,139New
Thrivent Financial for Lutherans72,606$18.2M0.04%+1,176+1.6%Added
North Point Portfolio Managers Corp71,010$17.8M3.00%−942−1.3%Reduced
Wilson Asset Management (International) Pty Ltd70,248$17.6M4.54%−8,759−11.1%Reduced