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AJG

Arthur J. Gallagher & Co.
$253.09 -0.67 (-0.26%) At close · Jul 10
Market Cap
$65.02B
Shares
256,900,000

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 1,252
Total Value: $47,316,871,713
Total Shares: 218,403,378
Showing 1–100 of 1,275 holdings by value · page 1 of 13

Institutional Ownership Trend

26 quarters

Superinvestors Holding AJG

All superinvestors →
Andreas Halvorsen $157,549,171 Joel Greenblatt $13,776,004 Mario Gabelli $233,256

Holder Concentration

Across 1,250 13F filers
Top Holder
9.0%
Jun 2023 → Mar 2026 · range 9.0% – 14.0%
of institutional value
Top 5
38.5%
Jun 2023 → Mar 2026 · range 35.9% – 42.0%
of institutional value
Top 10
53.1%
Jun 2023 → Mar 2026 · range 51.3% – 58.3%
of institutional value
HHI
376
Jun 2023 → Mar 2026 · range 376 – 471
Broadly held
Showing 100 of 1,275
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega JPMORGAN CHASE & CO $4,238,047,608 8.96% 19,568,047
Mega BlackRock, Inc. $4,181,682,448 8.84% 19,307,796
Mega VANGUARD CAPITAL MANAGEMENT LLC $3,616,863,908 7.64% 16,699,898
Mega FMR LLC $3,166,608,163 6.69% 14,620,963
Mega Capital World Investors $2,992,641,797 6.32% 13,817,720
Mega STATE STREET CORP $2,376,731,810 5.02% 10,973,921
Mega Dodge & Cox $1,592,927,490 3.37% 7,354,915
Mega GEODE CAPITAL MANAGEMENT, LLC $1,352,247,550 2.86% 6,243,640
Mega MORGAN STANLEY $878,486,374 1.86% 4,056,175
Mega PRINCIPAL FINANCIAL GROUP INC $702,171,417 1.48% 3,242,088
Mega Capital Research Global Investors $645,436,771 1.36% 2,980,131
Large EAGLE CAPITAL MANAGEMENT LLC $577,309,583 1.22% 2,665,572
Mega Capital International Investors $562,383,106 1.19% 2,596,653
Mega WELLINGTON MANAGEMENT GROUP LLP $559,503,889 1.18% 2,583,359
Mid GTCR LLC $514,111,756 1.09% 2,373,773
Large WCM INVESTMENT MANAGEMENT, LLC $511,673,065 1.08% 2,362,513
Mega NORTHERN TRUST CORP Bank $482,936,360 1.02% 2,229,829
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $456,867,495 0.97% 2,109,463
Mega JANUS HENDERSON GROUP PLC $426,877,012 0.90% 1,970,990
Mega FRANKLIN RESOURCES INC $423,218,973 0.89% 1,954,100
Mega GOLDMAN SACHS GROUP INC $423,039,214 0.89% 1,953,270
Mega BANK OF AMERICA CORP /DE/ Bank $401,645,007 0.85% 1,854,488
Mega Invesco Ltd. $371,610,556 0.79% 1,715,812
Large BROWN ADVISORY INC $342,262,888 0.72% 1,580,307
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $314,012,623 0.66% 1,449,869
Mega VANGUARD FIDUCIARY TRUST CO Bank $313,571,454 0.66% 1,447,832
Large Focus Partners Wealth $298,749,802 0.63% 1,379,397
Mega Legal & General Group Plc $297,457,252 0.63% 1,373,429
Mega Mitsubishi UFJ Asset Management Co., Ltd. $281,867,391 0.60% 1,301,447
Mega Bank of New York Mellon Corp Bank $278,836,995 0.59% 1,287,455
Mega FIL Ltd $261,980,364 0.55% 1,209,624
Large APG Asset Management N.V. $255,023,383 0.54% 1,177,502
Mid BECK MACK & OLIVER LLC $230,130,544 0.49% 1,062,566
Large BROWN BROTHERS HARRIMAN & CO $223,431,508 0.47% 1,031,635
Mega UBS Group AG $214,235,304 0.45% 989,174
Mega T. Rowe Price Investment Management, Inc. $213,673,279 0.45% 986,579
Mega ENVESTNET ASSET MANAGEMENT INC $211,674,246 0.45% 977,349
Mega Amundi $203,549,462 0.43% 939,835
Mid Guinness Asset Management LTD $195,333,285 0.41% 901,899
Large Artisan Partners Limited Partnership $191,651,425 0.41% 884,899
Mega DIMENSIONAL FUND ADVISORS LP $184,784,320 0.39% 853,192
Large Woodline Partners LP $182,073,608 0.38% 840,676
Large Boston Partners $175,052,299 0.37% 808,257
Mega California Public Employees Retirement System Pension $170,989,693 0.36% 789,499
Mega ALLIANCEBERNSTEIN L.P. $169,167,605 0.36% 781,086
Mega CITADEL ADVISORS LLC $165,183,833 0.35% 762,692
Mega DEUTSCHE BANK AG\ Bank $163,528,509 0.35% 755,049
Mega Swiss National Bank Bank $163,227,682 0.34% 753,660
Large VIKING GLOBAL INVESTORS LP $157,549,171 0.33% 727,441
Mega Nuveen, LLC $154,881,771 0.33% 715,125
Large BRANDES INVESTMENT PARTNERS, LP $151,878,887 0.32% 701,260
Mid Stonehage Fleming Financial Services Holdings Ltd $140,798,440 0.30% 650,099
Mid BLS CAPITAL FONDSMAEGLERSELSKAB A/S $140,128,992 0.30% 647,008
Large Unisphere Establishment $137,679,906 0.29% 635,700
Large CIBC Bancorp USA Inc. Bank $137,409,396 0.29% 634,451
Mega BARCLAYS PLC $137,383,838 0.29% 634,333
Mid COOKE & BIELER LP $134,849,855 0.28% 622,633
Mega Sumitomo Mitsui Trust Group, Inc. $127,308,106 0.27% 587,811
Large Mawer Investment Management Ltd. $125,892,756 0.27% 581,276
Mega Vanguard Global Advisers, LLC $123,349,457 0.26% 569,533
Mid Fenimore Asset Management Inc $122,750,180 0.26% 566,766
Large LORD, ABBETT & CO. LLC $119,888,292 0.25% 553,552
Large JUPITER ASSET MANAGEMENT LTD $115,054,876 0.24% 531,235
Large Bank Julius Baer & Co. Ltd, Zurich Bank $110,119,234 0.23% 508,446
Mega PRICE T ROWE ASSOCIATES INC /MD/ $108,277,221 0.23% 499,941
Mega National Pension Service Pension $107,916,616 0.23% 498,276
Mega RAYMOND JAMES FINANCIAL INC $107,324,917 0.23% 495,544
Mid CHILTON INVESTMENT CO INC. $106,229,891 0.22% 490,488
Mega WELLS FARGO & COMPANY/MN $104,940,588 0.22% 484,535
Mega ROYAL BANK OF CANADA Bank $104,896,187 0.22% 484,330
Mega HSBC HOLDINGS PLC $99,513,742 0.21% 459,478
Mega VANGUARD ASSET MANAGEMENT, Ltd $95,096,162 0.20% 439,081
Mid Bowie Capital Management, LLC $95,063,026 0.20% 438,928
Mega RHUMBLINE ADVISERS $92,863,872 0.20% 428,774
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $89,462,917 0.19% 413,071
Large Connor, Clark & Lunn Investment Management Ltd. $86,976,362 0.18% 401,590
Mid First Pacific Advisors, LP $83,965,250 0.18% 387,687
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $79,934,046 0.17% 369,074
Mid NZS Capital, LLC $79,910,439 0.17% 368,965
Mid MILFORD FUNDS LTD $77,660,606 0.16% 358,577
Mega TD Asset Management Inc $76,748,804 0.16% 354,367
Mega BNP PARIBAS ARBITRAGE, SA $75,083,954 0.16% 346,680
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $73,802,450 0.16% 340,763
Mid REGIONS FINANCIAL CORP $73,782,741 0.16% 340,672
Large Universal- Beteiligungs- und Servicegesellschaft mbH $73,683,548 0.16% 340,214
Large LAZARD ASSET MANAGEMENT LLC $71,258,935 0.15% 329,019
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $69,876,071 0.15% 322,634
Large NATIXIS ADVISORS, LLC $69,810,014 0.15% 322,329
Mega CITIGROUP INC $63,910,157 0.14% 295,088
Mid Welch & Forbes LLC $63,520,315 0.13% 293,288
Large ZACKS INVESTMENT MANAGEMENT $63,098,200 0.13% 291,339
Large SEI INVESTMENTS CO $62,649,446 0.13% 289,267
Mega AMERICAN CENTURY COMPANIES INC $60,754,371 0.13% 280,517
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $59,992,660 0.13% 277,000
Large MARSHALL WACE, LLP $59,867,042 0.13% 276,420
Mid CINCINNATI FINANCIAL CORP $56,583,474 0.12% 261,259
Mid Welch Group, LLC $54,797,338 0.12% 253,012
Mid CINCINNATI INSURANCE CO Insurance $53,339,755 0.11% 246,282
Mid KORNITZER CAPITAL MANAGEMENT INC /KS $52,487,946 0.11% 242,349
Mega AMERIPRISE FINANCIAL INC $51,836,255 0.11% 239,340
Key facts CIK 354190 CUSIP 363576109 13F (30d) 134 filings 95 filers Visit website Investor relations

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