Latest Period
Q2 2026
Security Snapshot
Arthur J. Gallagher & Co. - Common Stock (AJG) Institutional Ownership
CUSIP: 363576109
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
1,278
Shares (Excl. Options)
238,070,027
Price
$229.57
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- Security type / class
- Equity / Common Stock
- Symbol
- AJG on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 238,070,027
- Total 13F value
- $54,593,241,611
- Portfolio coverage rank
- 0.03%
- Share change
- +8,388,318
- Value change
- +$1,987,397,644
- Number of holders
- 1,278
- Shares outstanding
- 255,394,940
- SEC-reported price per share
- $242.50
- Insider filing price
- $242.50
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AJG - Arthur J. Gallagher & Co. - Common Stock is tracked under CUSIP 363576109.
- 1278 institutions reported positions in Q2 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1,243 to 1,278 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $49,609,741,074 to $54,593,241,611.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 1278 institutions filings for Q2 2026.
Security key
363576109
Latest holder period
Q2 2026
13F holders
1,278
13D/G owners
5
CIK / CUSIP context first
Open Q2 2026 holders
AJG full holder history
Arthur J. Gallagher & Co. SEC filings
Arthur J. Gallagher & Co. company facts
Arthur J. Gallagher & Co. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 363576109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
AJG
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 7.5% | $4,167,833,033 | 19,243,850 | Vanguard Capital Management | 31 Mar 2026 | |||
| FMR LLC | 7.2% | $4,458,529,809 | 18,602,786 | FMR LLC | 30 Jun 2026 | |||
| BlackRock, Inc. | 6.9% | $5,674,337,959 | 17,725,659 | BlackRock, Inc. | 30 Jun 2025 | |||
| JPMORGAN CHASE & CO | 5.5% | -29% | $3,250,889,346 | -$1,376,097,906 | 14,160,776 | -30% | JPMORGAN CHASE & CO. | 30 Jun 2026 |
| Capital World Investors | 5% | 0% | $3,060,525,263 | -$43,630,246 | 12,769,747 | -1.4% | Capital World Investors | 30 Jun 2026 |
As of 30 Jun 2026, 1,278 institutional investors reported holding 238,070,027 shares of Arthur J. Gallagher & Co. - Common Stock (AJG). This represents 93% of the company’s total 255,394,940 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
65%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.8% | 19,822,870 | +2.7% | 0.07% | $4,550,736,475 |
| FMR LLC | 7.3% | 18,645,620 | +28% | 0.19% | $4,280,475,069 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.6% | 16,777,183 | +0.46% | 0.08% | $3,851,537,901 |
| JPMORGAN CHASE & CO | 5.6% | 14,356,764 | -27% | 0.19% | $3,260,708,906 |
| Capital World Investors | 4.9% | 12,511,991 | -9.4% | 0.34% | $2,872,235,049 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.9% | 12,454,725 | +0.29% | 0.13% | $2,859,231,218 |
| STATE STREET CORP | 4.4% | 11,303,790 | +3% | 0.08% | $2,595,011,070 |
| Dodge & Cox | 3.7% | 9,363,634 | +27% | 1.1% | $2,149,609,457 |
| NORGES BANK | 2.6% | 6,733,790 | 0.15% | $1,545,876,170 | |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 6,298,870 | +0.88% | 0.08% | $1,446,658,088 |
| EAGLE CAPITAL MANAGEMENT LLC | 1.9% | 4,890,612 | +83% | 3.4% | $1,122,737,692 |
| PRINCIPAL FINANCIAL GROUP INC | 1.4% | 3,494,796 | +7.8% | 0.39% | $802,311,830 |
| GOLDMAN SACHS GROUP INC | 1.1% | 2,818,022 | +44% | 0.07% | $646,933,249 |
| MORGAN STANLEY | 1% | 2,591,858 | -36% | 0.03% | $595,013,335 |
| Capital Research Global Investors | 1% | 2,585,853 | -13% | 0.08% | $593,625,531 |
| WCM INVESTMENT MANAGEMENT, LLC | 0.95% | 2,425,562 | +2.7% | 1% | $550,893,700 |
| GTCR LLC | 0.93% | 2,373,773 | 0% | 14% | $544,947,068 |
| FRANKLIN RESOURCES INC | 0.87% | 2,219,141 | +14% | 0.11% | $509,448,297 |
| NORTHERN TRUST CORP | 0.86% | 2,204,733 | -1.1% | 0.06% | $506,140,556 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.84% | 2,156,506 | +2.2% | 0.07% | $495,071,015 |
| Capital International Investors | 0.78% | 2,002,580 | -23% | 0.1% | $459,536,264 |
| Jupiter Topco LLC | 0.76% | 1,940,663 | 0% | 0.18% | $445,367,104 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 0.75% | 1,917,615 | +494% | 0.35% | $440,226,807 |
| Invesco Ltd. | 0.69% | 1,750,848 | +2% | 0.03% | $401,942,208 |
| BANK OF AMERICA CORP /DE/ | 0.6% | 1,540,997 | -17% | 0.02% | $353,766,791 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 238,070,027 | $54,593,241,611 | +$1,987,397,644 | $229.57 | 1,278 |
| 2026 Q1 | 229,185,064 | $49,609,741,074 | -$1,279,679,525 | $216.58 | 1,243 |
| 2025 Q4 | 234,104,494 | $60,539,925,827 | +$2,062,403,776 | $258.79 | 1,293 |
| 2025 Q3 | 224,973,489 | $69,601,142,490 | -$1,040,580,353 | $309.74 | 1,328 |
| 2025 Q2 | 227,791,728 | $72,839,908,420 | +$1,101,453,811 | $320.12 | 1,360 |
| 2025 Q1 | 224,021,472 | $77,272,419,154 | -$1,774,697,720 | $345.24 | 1,341 |
| 2024 Q4 | 232,457,193 | $65,987,297,671 | +$12,131,406,733 | $283.85 | 1,309 |
| 2024 Q3 | 187,173,127 | $52,679,414,541 | -$530,726,999 | $281.37 | 1,190 |
| 2024 Q2 | 189,018,822 | $49,023,449,437 | +$906,162,686 | $259.31 | 1,142 |
| 2024 Q1 | 185,687,022 | $46,399,473,179 | +$33,618,211 | $250.04 | 1,119 |
| 2023 Q4 | 185,452,704 | $41,694,286,696 | -$110,939,205 | $224.88 | 1,077 |
| 2023 Q3 | 185,257,677 | $42,216,774,694 | +$536,912,503 | $227.93 | 991 |
| 2023 Q2 | 181,971,146 | $39,901,956,907 | +$247,732,208 | $219.57 | 967 |
| 2023 Q1 | 181,063,439 | $34,634,801,609 | +$63,909,468 | $191.31 | 935 |
| 2022 Q4 | 181,615,768 | $34,239,959,080 | +$19,660,891 | $188.54 | 909 |
| 2022 Q3 | 182,532,989 | $31,269,696,433 | +$511,820,151 | $171.22 | 849 |
| 2022 Q2 | 178,431,447 | $29,086,247,637 | +$228,103,920 | $163.04 | 811 |
| 2022 Q1 | 177,797,814 | $31,016,015,563 | +$81,171,001 | $174.60 | 804 |
| 2021 Q4 | 177,263,332 | $30,044,423,551 | +$16,714,205 | $169.67 | 842 |
| 2021 Q3 | 177,056,860 | $26,315,528,149 | +$190,241,113 | $148.65 | 756 |
| 2021 Q2 | 175,727,054 | $24,590,770,903 | +$1,450,848,130 | $140.08 | 766 |
| 2021 Q1 | 165,350,403 | $20,613,688,189 | +$229,737,382 | $124.77 | 719 |
| 2020 Q4 | 163,592,286 | $20,212,488,290 | +$476,727,934 | $123.71 | 712 |
| 2020 Q3 | 159,865,142 | $16,868,703,845 | +$63,972,121 | $105.58 | 683 |
| 2020 Q2 | 158,648,856 | $15,461,216,958 | +$235,091,999 | $97.49 | 653 |