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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 2021

Institutional positions in Arthur J. Gallagher & Co. as of Dec 31, 2021. 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
854
+92 vs. Q3 2021
Shares held
177.3M
+394.3K (+0.2%) vs. Q3 2021
Total value
$30.1B
+$3.76B (+14.3%) vs. Q3 2021
New holders
143
298 more added
Sold out
51
265 more reduced

13 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 854 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 heldQ4 2021: $30.1B
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 20251,342$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, Q4 2021

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q3 2021.

Institutions holding AJG in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Old North State Trust, LLC12,138$2.06M1.48%00.0%Unchanged
SG Americas Securities, LLC12,140$2.06M0.01%+3,181+35.5%Added
Ascent Group, LLC13,441$2.07M0.26%+13,441New
New Mexico Educational Retirement Board12,650$2.15M0.07%−800−5.9%Reduced
Atria Investments LLC12,726$2.16M0.04%+5,546+77.2%Added
Kentucky Retirement Systems12,774$2.17M0.09%+1,170+10.1%Added
Mercer Global Advisors Inc12,800$2.17M0.01%+3,323+35.1%Added
Quantbot Technologies LP12,906$2.19M0.18%+7,991+162.6%Added
Louisiana State Employees Retirement System13,000$2.21M0.05%+100+0.8%Added
Aquila Investment Management LLC13,000$2.21M1.07%+13,000New
Xponance, Inc.13,036$2.21M0.03%+2,577+24.6%Added
Blueshift Asset Management, LLC13,337$2.26M0.20%+8,855+197.6%Added
Panagora Asset Management Inc13,538$2.30M0.01%−2,127−13.6%Reduced
PEAK6 Investments LLC14,009$2.38M0.07%+14,009New
Patton Fund Management, Inc.14,122$2.40M0.73%+14,122New
Sumitomo Mitsui DS Asset Management Company, Ltd14,212$2.41M0.05%+967+7.3%Added
Mirabella Financial Services LLP14,526$2.46M0.25%+5,024+52.9%Added
Whittier Trust Co14,690$2.49M0.04%−167−1.1%Reduced
Mount Lucas Management LP14,732$2.50M0.71%−540−3.5%Reduced
Full18 Capital LLC14,914$2.50M1.06%+1,839+14.1%Added
Desjardins Global Asset Management Inc.14,742$2.50M0.21%+14,742New
Moody National Bank Trust Division14,918$2.53M0.08%−84,339−85.0%Reduced
First Hawaiian Bank14,956$2.54M0.07%−1,003−6.3%Reduced
Teachers Retirement System of the State of Kentucky15,050$2.55M0.02%00.0%Unchanged
Elo Mutual Pension Insurance Co15,662$2.66M0.07%+2,153+15.9%Added
Maryland State Retirement & Pension System15,720$2.67M0.07%+424+2.8%Added
Meiji Yasuda Asset Management Co Ltd.16,170$2.74M0.17%+10+0.1%Added
CIBC World Markets Inc.16,265$2.76M0.01%−263−1.6%Reduced
MD Financial Management Inc.16,279$2.76M0.07%−931−5.4%Reduced
Coldstream Capital Management Inc16,421$2.79M0.09%+7,808+90.7%Added
Barbara Oil Co.16,500$2.80M1.21%00.0%Unchanged
Jane Street Group, LLC16,581$2.81M0.01%−4,788−22.4%Reduced
Richard Bernstein Advisors LLC16,854$2.86M0.06%−6,437−27.6%Reduced
Legacy Wealth Management, LLC16,880$2.86M1.47%+24+0.1%Added
STRS Ohio17,061$2.89M0.01%+12,670+288.5%Added
Securian Asset Management, Inc17,254$2.93M0.05%−100−0.6%Reduced
Ancora Advisors, LLC17,565$2.98M0.07%−1,325−7.0%Reduced
Janney Montgomery Scott LLC17,645$2.99M0.01%+3,090+21.2%Added
Tower Research Capital LLC (TRC)18,106$3.07M0.05%+14,514+404.1%Added
Eastern Bank18,270$3.10M0.14%−77−0.4%Reduced
Commonwealth Equity Services, LLC18,373$3.12M0.01%−7,595−29.2%Reduced
Crossmark Global Holdings, Inc.18,530$3.14M0.07%−70−0.4%Reduced
Cubist Systematic Strategies, LLC18,766$3.18M0.03%+13,300+243.3%Added
Allstate Corp18,785$3.19M0.06%+18,785New
Stonebridge Capital Management Inc18,925$3.21M1.12%−1,550−7.6%Reduced
First American Bank19,157$3.25M0.17%+358+1.9%Added
Fifth Third Bancorp19,311$3.28M0.01%+1,694+9.6%Added
Interval Partners, LP19,708$3.34M0.23%−15,792−44.5%Reduced
Advisors Asset Management, Inc.19,773$3.35M0.05%−3,119−13.6%Reduced
Ferguson Wellman Capital Management, Inc19,856$3.37M0.10%+1,285+6.9%Added
Geneos Wealth Management Inc.20,020$3.40M0.13%+711+3.7%Added
Mission Creek Capital Partners, Inc.20,285$3.44M0.68%+12,671+166.4%Added
Trust Co of Toledo NA20,658$3.50M0.52%+97+0.5%Added
Hartford Investment Management Co21,090$3.58M0.08%+1,683+8.7%Added
Wealthfront Advisers LLC21,097$3.58M0.02%+1,969+10.3%Added
Dorsey Wright & Associates21,101$3.58M0.74%+21,101New
Busey Wealth Management21,912$3.72M0.14%−122−0.6%Reduced
Nissay Asset Management Corp21,918$3.72M0.03%+318+1.5%Added
Commerce Bank22,080$3.75M0.02%+827+3.9%Added
Central Trust Co22,481$3.81M0.11%+260+1.2%Added
CAPROCK Group, Inc.22,563$3.83M0.32%+22,563New
Allspring Global Investments Holdings, LLC23,020$3.90M0.00%+23,020New
Metropolitan Life Insurance Co23,453$3.98M0.05%−630−2.6%Reduced
Levy Wealth Management Group, LLC23,993$4.07M1.85%−6,432−21.1%Reduced
CWM, LLC24,074$4.08M0.03%+24,074New
Brookmont Capital Management24,264$4.12M2.18%−1,076−4.2%Reduced
New Vernon Investment Management LLC24,282$4.12M6.60%00.0%Unchanged
Duality Advisers, LP24,500$4.16M0.45%+24,500New
Flputnam Investment Management Co24,526$4.16M0.13%+6,520+36.2%Added
Park Avenue Securities LLC24,579$4.17M0.07%+2,359+10.6%Added
Crestline Management, LP24,585$4.17M0.31%−23,299−48.7%Reduced
IFM Investors Pty Ltd25,019$4.25M0.08%00.0%Unchanged
Segment Wealth Management, LLC25,285$4.29M0.45%−10.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys26,017$4.41M0.05%+108+0.4%Added
Mariner, LLC26,696$4.53M0.02%+3,668+15.9%Added
Swiss Life Asset Management Ltd27,060$4.59M0.06%−1,487−5.2%Reduced
Ci Investments Inc.27,176$4.61M0.02%−4,036−12.9%Reduced
Employees Retirement System of Texas27,236$4.62M0.05%00.0%Unchanged
Mutual of America Capital Management LLC27,368$4.64M0.05%+248+0.9%Added
Daiwa Securities Group Inc.27,502$4.67M0.03%−6,176−18.3%Reduced
DnB Asset Management AS28,127$4.77M0.03%+1,891+7.2%Added
KG&L Capital Management,LLC28,141$4.78M1.92%+141+0.5%Added
Family Legacy, Inc.29,415$4.82M1.97%−168−0.6%Reduced
Texas Permanent School Fund28,590$4.85M0.06%−3,350−10.5%Reduced
Distillate Capital Partners LLC29,156$4.95M0.83%+6,923+31.1%Added
ETF Managers Group, LLC29,326$4.95M0.10%+29,326New
Roosevelt Investment Group LLC29,183$4.95M0.27%00.0%Unchanged
Bollard Group LLC29,361$4.98M0.16%+78+0.3%Added
TD Private Client Wealth LLC29,527$5.01M0.21%+11,839+66.9%Added
Bradley Foster & Sargent Inc29,698$5.04M0.10%−50−0.2%Reduced
Mirae Asset Global Investments Co., Ltd.30,076$5.10M0.01%+2,077+7.4%Added
Squarepoint Ops LLC30,199$5.12M0.02%+26,166+648.8%Added
People's United Financial, Inc.30,711$5.21M0.13%−1,375−4.3%Reduced
Mackay Shields LLC30,890$5.24M0.04%−380−1.2%Reduced
Westwood Holdings Group Inc.31,472$5.34M0.05%+1,516+5.1%Added
Ballew Advisors, Inc34,068$5.37M3.74%+24,068+240.7%Added
Edmond de Rothschild Holding S.A.32,007$5.43M0.12%+2,028+6.8%Added
Private Advisor Group, LLC32,096$5.45M0.04%−27,831−46.4%Reduced
Alberta Investment Management Corp32,200$5.46M0.03%00.0%Unchanged
M&T Bank Corp32,471$5.51M0.02%+331+1.0%Added