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, Q3 2025
Institutional positions in Arthur J. Gallagher & Co. as of Sep 30, 2025. 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
- 1,342
- −21 vs. Q2 2025
- Shares held
- 225.4M
- +2.22M (+1.0%) vs. Q2 2025
- Total value
- $69.7B
- −$1.65B (−2.3%) vs. Q2 2025
- New holders
- 115
- 511 more added
- Sold out
- 136
- 488 more reduced
17 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,295 | $54.7B |
| Q1 2026 | 1,248 | $49.7B |
| Q4 2025 | 1,299 | $60.6B |
| Q3 2025 | 1,342 | $69.7B |
| Q2 2025 | 1,380 | $72.9B |
| Q1 2025 | 1,360 | $79.0B |
| Q4 2024 | 1,325 | $65.9B |
| Q3 2024 | 1,203 | $52.8B |
| Q2 2024 | 1,153 | $49.1B |
| Q1 2024 | 1,130 | $46.5B |
| Q4 2023 | 1,082 | $41.9B |
| Q3 2023 | 999 | $42.3B |
| Q2 2023 | 976 | $39.9B |
| Q1 2023 | 951 | $34.7B |
| Q4 2022 | 921 | $34.1B |
| Q3 2022 | 865 | $31.2B |
| Q2 2022 | 823 | $29.1B |
| Q1 2022 | 817 | $31.0B |
| Q4 2021 | 854 | $30.1B |
| Q3 2021 | 775 | $26.3B |
| Q2 2021 | 779 | $24.6B |
| Q1 2021 | 732 | $20.6B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 31,173,310 | $9.66B | 0.14% | +76,768+0.2% | Added |
| JPMorgan Chase & Co | 20,338,533 | $6.30B | 0.40% | +3,330,205+19.6% | Added |
| BlackRock, Inc. | 18,563,980 | $5.75B | 0.10% | −419,087−2.2% | Reduced |
| FMR LLC | 12,532,601 | $3.88B | 0.20% | −530,592−4.1% | Reduced |
| Capital World Investors | 11,783,119 | $3.65B | 0.50% | +101,298+0.9% | Added |
| State Street Corp | 10,891,080 | $3.37B | 0.12% | +147,587+1.4% | Added |
| Morgan Stanley | 8,585,790 | $2.66B | 0.16% | +1,493,137+21.1% | Added |
| Capital International Investors | 7,194,743 | $2.23B | 0.36% | +45,256+0.6% | Added |
| Geode Capital Management, LLC | 6,002,006 | $1.85B | 0.12% | +90,546+1.5% | Added |
| Wellington Management Group LLP | 3,270,807 | $1.01B | 0.18% | +395,304+13.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,107,390 | $962.5M | 0.69% | +725,555+30.5% | Added |
| Principal Financial Group Inc | 2,866,786 | $888.0M | 0.45% | +593,483+26.1% | Added |
| T. Rowe Price Investment Management, Inc. | 2,634,040 | $815.9M | 0.50% | +2,495,881+1,806.5% | Added |
| Brown Advisory Inc | 2,517,922 | $779.9M | 1.02% | +231,124+10.1% | Added |
| WCM Investment Management, LLC | 2,431,998 | $743.5M | 1.55% | −32,664−1.3% | Reduced |
| Northern Trust Corp | 2,317,351 | $717.8M | 0.09% | −30,992−1.3% | Reduced |
| Charles Schwab Investment Management Inc | 2,028,958 | $628.5M | 0.10% | −7,836−0.4% | Reduced |
| Invesco Ltd. | 1,647,624 | $510.3M | 0.08% | −707,008−30.0% | Reduced |
| Janus Henderson Group PLC | 1,630,287 | $505.1M | 0.23% | +81,996+5.3% | Added |
| Bank of America Corp | 1,565,997 | $485.1M | 0.04% | +102,118+7.0% | Added |
| Capital Research Global Investors | 1,540,553 | $477.2M | 0.09% | −4,261−0.3% | Reduced |
| UBS Asset Management Americas Inc | 1,524,561 | $472.2M | 0.10% | −260,248−14.6% | Reduced |
| Envestnet Asset Management Inc | 1,414,100 | $438.0M | 0.13% | +16,882+1.2% | Added |
| Goldman Sachs Group Inc | 1,402,183 | $434.3M | 0.06% | −91,629−6.1% | Reduced |
| Legal & General Group Plc | 1,385,702 | $429.2M | 0.10% | +69,208+5.3% | Added |
| FIL Ltd | 1,366,380 | $423.2M | 0.33% | +155,940+12.9% | Added |
| Bank of New York Mellon Corp | 1,360,869 | $421.5M | 0.08% | −30,913−2.2% | Reduced |
| Massachusetts Financial Services Co | 1,333,179 | $412.9M | 0.13% | −1,401,456−51.2% | Reduced |
| Sands Capital Management, LLC | 1,094,070 | $338.9M | 0.93% | −27,179−2.4% | Reduced |
| Findlay Park Partners LLP | 1,069,901 | $331.4M | 3.48% | +125,800+13.3% | Added |
| Brown Brothers Harriman & Co | 1,069,715 | $331.3M | 2.02% | −33,763−3.1% | Reduced |
| Alliancebernstein L.P. | 1,035,632 | $320.8M | 0.10% | −90,461−8.0% | Reduced |
| Boston Partners | 1,032,253 | $319.6M | 0.33% | +294,954+40.0% | Added |
| APG Asset Management N.V. | 1,197,878 | $315.8M | 0.89% | +100.0% | Added |
| Baillie Gifford & Co | 908,885 | $281.5M | 0.21% | −31,643−3.4% | Reduced |
| Deutsche Bank AG | 894,562 | $277.1M | 0.09% | +26,657+3.1% | Added |
| UBS Group AG | 840,297 | $260.3M | 0.05% | −5,827−0.7% | Reduced |
| California Public Employees Retirement System | 825,828 | $255.8M | 0.15% | −32,342−3.8% | Reduced |
| Guinness Asset Management LTD | 831,125 | $254.1M | 4.05% | −410.0% | Reduced |
| Royal Bank of Canada | 818,059 | $253.4M | 0.05% | +107,797+15.2% | Added |
| Barclays PLC | 811,244 | $251.3M | 0.09% | +33,333+4.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 808,952 | $250.6M | 0.23% | −70,787−8.0% | Reduced |
| Chilton Investment Co LLC | 765,795 | $237.2M | 4.83% | +73,192+10.6% | Added |
| Swiss National Bank | 738,300 | $228.7M | 0.13% | −35,800−4.6% | Reduced |
| Beck Mack & Oliver LLC | 734,079 | $227.4M | 4.14% | +32,636+4.7% | Added |
| Dimensional Fund Advisors LP | 695,538 | $215.4M | 0.05% | −28,102−3.9% | Reduced |
| Nuveen, LLC | 686,536 | $212.6M | 0.06% | −54,119−7.3% | Reduced |
| Mawer Investment Management Ltd. | 646,298 | $200.2M | 1.04% | −35,212−5.2% | Reduced |
| Balyasny Asset Management LLC | 628,509 | $194.7M | 0.39% | −141,885−18.4% | Reduced |
| Raymond James Financial Inc | 597,620 | $185.1M | 0.06% | +16,038+2.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 595,365 | $184.4M | 0.11% | +4,904+0.8% | Added |
| Allianz Asset Management GmbH | 570,565 | $176.7M | 0.22% | +192,409+50.9% | Added |
| Amundi | 560,869 | $173.4M | 0.06% | −347,470−38.3% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 559,143 | $173.2M | 0.49% | −8,397−1.5% | Reduced |
| HSBC Holdings PLC | 559,881 | $173.0M | 0.10% | −12,928−2.3% | Reduced |
| Lord, Abbett & Co. LLC | 545,105 | $168.8M | 0.50% | −36,112−6.2% | Reduced |
| Manufacturers Life Insurance Company, The | 542,875 | $168.1M | 0.14% | −258,713−32.3% | Reduced |
| Unisphere Establishment | 537,500 | $166.5M | 1.31% | +7,200+1.4% | Added |
| Bessemer Group Inc | 533,333 | $165.2M | 0.25% | −486−0.1% | Reduced |
| Global Retirement Partners, LLC | 503,025 | $155.8M | 3.49% | +332+0.1% | Added |
| National Pension Service | 477,628 | $147.9M | 0.11% | +7,281+1.5% | Added |
| CCLA Investment Management Ltd | 475,182 | $147.3M | 2.36% | +53,052+12.6% | Added |
| Stonehage Fleming Financial Services Holdings Ltd | 462,596 | $143.3M | 4.06% | +2,237+0.5% | Added |
| Rhumbline Advisers | 451,928 | $140.0M | 0.11% | −902−0.2% | Reduced |
| Wells Fargo & Company | 447,567 | $138.6M | 0.03% | −30,775−6.4% | Reduced |
| Kovitz Investment Group Partners, LLC | 445,096 | $137.9M | 0.54% | +4,557+1.0% | Added |
| Franklin Resources Inc | 426,049 | $132.0M | 0.03% | +68,551+19.2% | Added |
| Renaissance Technologies LLC | 400,500 | $124.1M | 0.16% | +50,900+14.6% | Added |
| Congress Asset Management Co | 399,210 | $123.7M | 0.82% | −2,502−0.6% | Reduced |
| Price T Rowe Associates Inc | 396,461 | $122.8M | 0.01% | +807+0.2% | Added |
| Nomura Asset Management Co Ltd | 388,480 | $120.3M | 0.31% | +54,201+16.2% | Added |
| TD Asset Management Inc | 388,058 | $120.2M | 0.10% | −394,856−50.4% | Reduced |
| California State Teachers Retirement System | 386,510 | $119.7M | 0.12% | −3,387−0.9% | Reduced |
| American Century Companies Inc | 366,652 | $113.6M | 0.06% | −163,603−30.9% | Reduced |
| Assenagon Asset Management S.A. | 361,006 | $111.8M | 0.17% | −7,431−2.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 358,048 | $110.9M | 0.18% | +34,693+10.7% | Added |
| Regions Financial Corp | 356,875 | $110.5M | 0.72% | −4,172−1.2% | Reduced |
| Fenimore Asset Management Inc | 355,301 | $110.1M | 2.21% | −1,041−0.3% | Reduced |
| BNP Paribas Arbitrage, SA | 348,430 | $107.9M | 0.08% | −13,903−3.8% | Reduced |
| Natixis Advisors, L.P. | 335,248 | $103.8M | 0.15% | +5,313+1.6% | Added |
| New York State Common Retirement Fund | 327,639 | $101.5M | 0.13% | −15,084−4.4% | Reduced |
| Credit Agricole S A | 307,798 | $95.3M | 0.32% | +307,798 | New |
| Russell Investments Group, Ltd. | 303,854 | $94.1M | 0.11% | +69,173+29.5% | Added |
| Zacks Investment Management | 296,878 | $92.0M | 0.73% | −2,190−0.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 293,103 | $90.8M | 0.14% | −201,500−40.7% | Reduced |
| Welch & Forbes LLC | 292,770 | $90.7M | 1.09% | −1,821−0.6% | Reduced |
| CIBC Private Wealth Group, LLC | 273,659 | $84.8M | 0.15% | −34,013−11.1% | Reduced |
| Nissay Asset Management Corp | 272,527 | $84.4M | 0.47% | +150,111+122.6% | Added |
| Westfield Capital Management Co LP | 267,709 | $82.9M | 0.35% | −53,897−16.8% | Reduced |
| Great West Life Assurance Co | 267,316 | $81.7M | 0.12% | +4,447+1.7% | Added |
| Kornitzer Capital Management Inc | 247,099 | $76.5M | 1.54% | −11,461−4.4% | Reduced |
| Ameriprise Financial Inc | 239,487 | $74.2M | 0.02% | +18,168+8.2% | Added |
| Bank of Montreal | 238,322 | $73.8M | 0.03% | +12,999+5.8% | Added |
| Welch Group, LLC | 226,514 | $70.2M | 2.74% | +2,476+1.1% | Added |
| State Board of Administration of Florida Retirement System | 224,763 | $69.6M | 0.12% | −4,201−1.8% | Reduced |
| Comerica Bank | 222,225 | $68.8M | 0.26% | −35,472−13.8% | Reduced |
| Westwood Holdings Group Inc. | 221,751 | $68.7M | 0.49% | −14,814−6.3% | Reduced |
| LPL Financial LLC | 217,909 | $67.5M | 0.02% | −20,935−8.8% | Reduced |
| Eventide Asset Management, LLC | 216,693 | $67.1M | 1.10% | +6,122+2.9% | Added |
| Capital International Inc | 215,889 | $66.9M | 0.53% | +42,084+24.2% | Added |