Arthur J. Gallagher & Co. (AJG) Ownership
AJG ownership summary
as of October 17, 2026- Institutions
- 95.7% of shares outstanding
- Insiders
- 0.87% of shares outstanding
- Shares outstanding
- 256.3M
- Float
- 253.5M shares available to trade
- Short interest
- 3.25% 8.2M shares short
- Days to cover
- 5.64 short interest up 23.0% vs prior month
- Institutions 95.65%
- Insiders 0.87%
- Other investors 3.48%
AJG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 7.73% | 19.8M | $5.05B | +515,074 (+2.7%) | June 30, 2026 |
| 2 | FMR Inc | 7.27% | 18.6M | $4.75B | +4.0M (+27.5%) | June 30, 2026 |
| 3 | Vanguard Capital Management, LLC | 6.54% | 16.8M | $4.28B | +77,285 (+0.5%) | June 30, 2026 |
| 4 | JPMorgan Chase & Co | 5.60% | 14.4M | $3.66B | −5.2M (−26.6%) | June 30, 2026 |
| 5 | Capital World Investors | 4.88% | 12.5M | $3.19B | −1.3M (−9.4%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 4.86% | 12.5M | $3.17B | +35,446 (+0.3%) | June 30, 2026 |
| 7 | State Street Corp | 4.41% | 11.3M | $2.88B | +329,869 (+3.0%) | June 30, 2026 |
| 8 | Dodge & Cox | 3.65% | 9.4M | $2.39B | +2.0M (+27.3%) | June 30, 2026 |
| 9 | NORGES BANK | 2.63% | 6.7M | $1.72B | −704,914 (−9.5%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.46% | 6.3M | $1.61B | +55,230 (+0.9%) | June 30, 2026 |
| 11 | Eagle Capital Management LLC | 1.91% | 4.9M | $1.25B | +2.2M (+83.5%) | June 30, 2026 |
| 12 | Principal Financial Group Inc | 1.36% | 3.5M | $890.8M | +252,708 (+7.8%) | June 30, 2026 |
| 13 | The Goldman Sachs Group Inc | 1.10% | 2.8M | $718.3M | +864,752 (+44.3%) | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | 1.01% | 2.6M | $660.6M | −1.5M (−36.1%) | June 30, 2026 |
| 15 | Capital Research Global Investors | 1.01% | 2.6M | $659.1M | −394,278 (−13.2%) | June 30, 2026 |
| 16 | WCM Investment Management | 0.95% | 2.4M | $618.2M | +63,049 (+2.7%) | June 30, 2026 |
| 17 | GTCR LLC | 0.93% | 2.4M | $605.0M | — | June 30, 2026 |
| 18 | Franklin Templeton Inc | 0.87% | 2.2M | $565.6M | +265,041 (+13.6%) | June 30, 2026 |
| 19 | Northern Trust Corp | 0.86% | 2.2M | $561.9M | −25,096 (−1.1%) | June 30, 2026 |
| 20 | Charles Schwab Investment Management Inc | 0.84% | 2.2M | $549.7M | +47,043 (+2.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 10.8M shares and 6 cut 9.1M.
AJG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.19% | 8.2M | $2.08B | −15,530 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.66% | 6.8M | $1.74B | +80,444 (+1.2%) | August 31, 2026 |
| 3 | Dodge & Cox Stock I | 2.37% | 6.1M | $1.55B | +1.1M (+21.0%) | June 30, 2026 |
| 4 | Vanguard MStar Mid Cap Index Instl | 2.17% | 5.6M | $1.42B | −2,976 (−0.1%) | August 31, 2026 |
| 5 | American Funds Washington Mutual A | 2.06% | 5.3M | $1.35B | +702,717 (+15.3%) | June 30, 2026 |
| 6 | Fidelity Contrafund | 2.00% | 5.1M | $1.30B | −98,471 (−1.9%) | August 31, 2026 |
| 7 | iShares Core S&P 500 ETF | 1.33% | 3.4M | $870.5M | −5,513 (−0.2%) | September 30, 2026 |
| 8 | Fidelity 500 Index | 1.30% | 3.3M | $850.0M | +12,812 (+0.4%) | August 31, 2026 |
| 9 | State Street® SPDR® S&P 500® ETF | 1.23% | 3.1M | $801.5M | — | September 30, 2026 |
| 10 | American Funds American Balanced A | 1.04% | 2.7M | $681.1M | −548,009 (−17.0%) | June 30, 2026 |
| 11 | Vanguard MStar Value Index Investor | 0.96% | 2.5M | $625.5M | +7,310 (+0.3%) | August 31, 2026 |
| 12 | Principal MidCap R5 | 0.93% | 2.4M | $609.4M | +377,807 (+18.8%) | August 31, 2026 |
| 13 | State Street®FinSelSectSPDR®ETF | 0.68% | 1.7M | $442.2M | −11,011 (−0.6%) | September 30, 2026 |
| 14 | Vanguard MStar Mid Cap Value ETF | 0.65% | 1.7M | $423.9M | +9,359 (+0.6%) | August 31, 2026 |
| 15 | JPMorgan US Equity L | 0.62% | 1.6M | $403.4M | +47,930 (+3.1%) | August 31, 2026 |
| 16 | American Funds Cptl Wld Gr&Inc A | 0.60% | 1.5M | $393.6M | — | June 30, 2026 |
| 17 | Strategic Advisers Fidelity US TtlStk | 0.59% | 1.5M | $385.5M | +3,354 (+0.2%) | August 31, 2026 |
| 18 | American Funds Invmt Co of Amer A | 0.58% | 1.5M | $381.9M | −140,272 (−8.6%) | June 30, 2026 |
| 19 | Vanguard Dividend Appreciation ETF | 0.57% | 1.5M | $370.7M | +710 (+0.0%) | August 31, 2026 |
| 20 | American Funds New Perspective A | 0.56% | 1.4M | $366.7M | −1.1M (−44.3%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
AJG insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Ro Khanna | Buy | $216.15 | — | — |
| 2026-03-23 | Ro Khanna | Buy | $216.89 | — | — |
| 2026-03-10 | Ro Khanna | Buy | $211.69 | — | — |
| 2026-03-08 | Kelly Morrison | Sell | $228.40 | — | — |
| 2026-03-08 | Kelly Morrison | Sell | $228.40 | — | — |
| 2026-03-06 | Scott R Hudson | Sell | $227.57 | 3,800 | $864,766 |
| 2026-03-05 | Christopher E Mead | Sell | $227.12 | 4,000 | $908,480 |
| 2026-02-24 | Ro Khanna | Buy | $216.17 | — | — |
| 2026-02-17 | Ro Khanna | Sell | $214.36 | — | — |
| 2026-02-10 | Gilbert Ray Cisneros, Jr. | Sell | $212.41 | — | — |
| 2026-02-06 | Ro Khanna | Sell | $241.83 | — | — |
| 2026-01-29 | Ro Khanna | Buy | $245.62 | — | — |
| 2026-01-23 | Ro Khanna | Sell | $253.13 | — | — |
| 2025-12-23 | Christopher E Mead | Sell | $258.11 | 4,000 | $1.0M |
| 2025-12-22 | Douglas K Howell | Sell | $258.05 | 5,000 | $1.3M |
| 2025-12-19 | Walter D Bay | Sell | $255.00 | 15,850 | $4.0M |
| 2025-12-19 | Gilbert Ray Cisneros, Jr. | Buy | $253.17 | — | — |
| 2025-12-18 | Julie Johnson | Sell | $252.86 | — | — |
| 2025-11-21 | Christopher E Mead | Sell | $250.74 | 1,250 | $313,425 |
| 2025-11-18 | Richard C Cary | Sell | $261.00 | 6,000 | $1.6M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
AJG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns AJG
Institutional investors own 95.7% of Arthur J. Gallagher's shares and insiders 0.87%. The largest holder is BlackRock Inc with 7.73% of the shares (19.8M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 6 reduced their stake in the latest filings. Short interest is 3.25% of the float, or 5.64 days of average trading volume. The share count rose 58.7% since 2014.
Related: AJG analyst forecast, AJG key metrics, AJG dividend history. See the AJG stock overview for the latest quote and news.
AJG ownership FAQ
Who owns the most Arthur J. Gallagher stock?
The largest shareholders of Arthur J. Gallagher are BlackRock Inc (7.73%), FMR Inc (7.27%), Vanguard Capital Management, LLC (6.54%), JPMorgan Chase & Co (5.60%), Capital World Investors (4.88%).
What percentage of Arthur J. Gallagher is owned by institutions?
Institutions hold 95.7% of Arthur J. Gallagher's shares outstanding; insiders hold 0.87%.
Which funds own Arthur J. Gallagher?
The largest fund holders of Arthur J. Gallagher are Vanguard MStar Total Stk Mkt Idx Invest (3.19%), Vanguard 500 Index Investor (2.66%), Dodge & Cox Stock I (2.37%), Vanguard MStar Mid Cap Index Instl (2.17%), American Funds Washington Mutual A (2.06%).
What is Arthur J. Gallagher's short interest?
8.2M shares of Arthur J. Gallagher were sold short, 3.25% of the float; at the average daily volume it would take 5.64 days to cover.
Are insiders buying or selling Arthur J. Gallagher?
Of the latest 20 reported insider transactions in Arthur J. Gallagher (since November 18, 2025), 6 were purchases and 14 were sales.
How many shares of Arthur J. Gallagher are outstanding?
Arthur J. Gallagher has 256.3M shares outstanding, of which 253.5M are in the public float.