NYSE · AJG · stock
Arthur J. Gallagher & Co. (AJG) stock price history
Every NYSE trading session of Arthur J. Gallagher & Co. from Jun 20, 1984 to Sep 28, 2026: 10,650 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
AJG adjusted close, 1984 to 2026
- $344.20
- All time high, 2025
- $310.73
- 52 week high, $190.12 low
- 10,650
- Daily sessions since 1984
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1984 to 2026 series and minute bars.
AJG key facts
- Arthur J. Gallagher & Co. (AJG) closed at $229.46 on Sep 28, 2026 on NYSE.
- AJG's all time high close is $344.20, set on Jun 2, 2025; its all time low close is $0.5819 on Jun 26, 1984.
- AJG's 52 week range is $190.12 to $310.73.
- AJG returned -23.9% over the year to Sep 28, 2026 and +60.9% over five years.
- Over ten years AJG returned +425%, +18.0% a year compounded.
- AJG's deepest drawdown was -58.0% from Sep 5, 1986 to Feb 17, 1988.
- DataCedar holds 10,650 daily sessions of AJG history from Jun 20, 1984 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
AJG price chart, 1984 to 2026
AJG returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -14.2% |
| 3 months | +1.5% |
| 6 months | +11.2% |
| Year to date | -11.8% |
| 1 year | -23.9% |
| 3 years | +2.1% |
| 5 years | +60.9% |
| 10 years | +424.7% |
| Since Jun 20, 1984 | +36,662% |
| Compound annual growth, 42.3 years | +15.0% |
AJG records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $344.20 on Jun 2, 2025
- All time low close
- $0.5819 on Jun 26, 1984
- 52 week high
- $310.73 on Oct 3, 2025
- 52 week low
- $190.12 on May 13, 2026
- Deepest drawdown
- -58.0% from Sep 5, 1986 to Feb 17, 1988, recovered Feb 4, 1993
- Best single session
- +20.2% on Mar 16, 2000
- Worst single session
- -22.3% on Feb 4, 2009
- Volatility, 1 year annualised
- 31.6%
- Sessions closing higher, 1 year
- 48%
- Growth of 1 since 1984
- 368×
- Best calendar year
- 2000, +101%
- Worst calendar year
- 1987, -34%
AJG price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 1984 starts on Jun 20, 1984; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $255.48 | $272.79 | $190.12 | $229.46 | -10.8% | 355.3M | 185 |
| 2025 | $281.11 | $346.63 | $234.84 | $257.15 | -8.0% | 389.3M | 250 |
| 2024 | $219.54 | $311.36 | $218.15 | $279.60 | +27.3% | 258.8M | 252 |
| 2023 | $182.38 | $247.44 | $169.07 | $219.56 | +20.5% | 214.3M | 250 |
| 2022 | $161.67 | $194.72 | $140.69 | $182.19 | +12.4% | 232.6M | 251 |
| 2021 | $116.49 | $163.51 | $106.39 | $162.04 | +39.0% | 250.5M | 252 |
| 2020 | $88.57 | $121.66 | $60.55 | $116.56 | +32.1% | 260.1M | 253 |
| 2019 | $66.00 | $89.12 | $63.98 | $88.22 | +31.8% | 237.8M | 252 |
| 2018 | $56.41 | $71.40 | $55.07 | $66.94 | +19.2% | 248.7M | 251 |
| 2017 | $44.95 | $59.73 | $44.78 | $56.17 | +25.0% | 224M | 251 |
| 2016 | $33.81 | $45.09 | $30.09 | $44.92 | +31.1% | 307.1M | 252 |
| 2015 | $38.27 | $40.72 | $32.89 | $34.26 | -10.1% | 252.4M | 252 |
| 2014 | $36.64 | $39.88 | $34.01 | $38.13 | +3.5% | 210.1M | 252 |
| 2013 | $26.71 | $37.79 | $26.57 | $36.85 | +40.0% | 162.4M | 252 |
| 2012 | $24.66 | $28.24 | $23.41 | $26.33 | +7.6% | 146.9M | 250 |
| 2011 | $20.49 | $24.66 | $17.38 | $24.46 | +20.3% | 167M | 252 |
| 2010 | $15.06 | $20.61 | $14.59 | $20.34 | +35.6% | 124.7M | 252 |
| 2009 | $16.30 | $16.42 | $9.30 | $15.00 | -7.8% | 225.7M | 252 |
| 2008 | $14.41 | $18.38 | $13.25 | $16.27 | +12.7% | 193.2M | 253 |
| 2007 | $16.90 | $18.57 | $14.33 | $14.44 | -14.4% | 158.5M | 251 |
| 2006 | $16.92 | $17.35 | $13.64 | $16.86 | -0.0% | 136.7M | 251 |
| 2005 | $17.04 | $17.29 | $14.05 | $16.87 | -1.2% | 109.3M | 252 |
| 2004 | $16.50 | $17.79 | $13.25 | $17.08 | +3.2% | 111.2M | 252 |
| 2003 | $14.61 | $16.65 | $11.55 | $16.54 | +13.5% | 120.2M | 252 |
| 2002 | $16.86 | $18.18 | $10.65 | $14.58 | -13.1% | 114.1M | 252 |
| 2001 | $15.35 | $18.82 | $10.46 | $16.78 | +10.3% | 108.4M | 248 |
| 2000 | $7.46 | $16.32 | $5.40 | $15.21 | +100.7% | 76.8M | 252 |
| 1999 | $5.00 | $7.71 | $4.80 | $7.58 | +51.3% | 39M | 252 |
| 1998 | $3.80 | $5.27 | $3.69 | $5.01 | +32.3% | 38M | 252 |
| 1997 | $3.28 | $4.17 | $3.16 | $3.79 | +15.1% | 25.2M | 253 |
| 1996 | $3.82 | $4.05 | $3.06 | $3.29 | -13.8% | 24.7M | 254 |
| 1995 | $3.16 | $3.87 | $3.00 | $3.82 | +19.7% | 15.4M | 252 |
| 1994 | $3.49 | $3.52 | $2.75 | $3.19 | -9.2% | 19.5M | 252 |
| 1993 | $2.68 | $3.58 | $2.42 | $3.51 | +31.2% | 27M | 253 |
| 1992 | $2.06 | $2.76 | $1.97 | $2.68 | +29.6% | 14.1M | 254 |
| 1991 | $2.06 | $2.55 | $1.73 | $2.06 | -1.0% | 17.6M | 253 |
| 1990 | $2.14 | $2.19 | $1.76 | $2.09 | -3.1% | 7.7M | 253 |
| 1989 | $1.43 | $2.30 | $1.38 | $2.15 | +50.7% | 11M | 252 |
| 1988 | $1.48 | $1.62 | $1.17 | $1.43 | -2.9% | 9.6M | 253 |
| 1987 | $2.22 | $2.62 | $1.27 | $1.47 | -33.8% | 34.2M | 253 |
| 1986 | $2.04 | $2.81 | $1.90 | $2.22 | +8.8% | 28.6M | 253 |
| 1985 | $1.26 | $2.12 | $1.25 | $2.04 | +62.2% | 18.5M | 252 |
| 1984 | $0.6242 | $1.28 | $0.5819 | $1.26 | n/a | 15.4M | 135 |
AJG monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $229.46 | -12.2% |
| August 2026 | $261.45 | +4.8% |
| July 2026 | $249.42 | +8.6% |
| June 2026 | $229.57 | +14.5% |
| May 2026 | $200.44 | -2.6% |
| April 2026 | $205.72 | -4.7% |
| March 2026 | $215.86 | -4.8% |
| February 2026 | $226.75 | -8.5% |
| January 2026 | $247.79 | -3.6% |
| December 2025 | $257.15 | +4.8% |
| November 2025 | $245.39 | -0.7% |
| October 2025 | $247.25 | -19.5% |
About the AJG data
Daily bars. 10,650 sessions from Jun 20, 1984 to Sep 28, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Jun 20, 1984, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/AJG/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on NYSE
Common questions
AJG share price history
