SIX · LONN · stock
Lonza Group AG (LONN) stock price history
Every SIX trading session of Lonza Group AG from Nov 1, 1999 to Sep 28, 2026: 6,831 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 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.
LONN adjusted close, 1999 to 2026
- CHF 756.42
- All time high, 2021
- CHF 597.80
- 52 week high, CHF 449.88 low
- 6,831
- Daily sessions since 1999
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1999 to 2026 series and minute bars.
LONN key facts
- Lonza Group AG (LONN) closed at CHF 578.40 on Sep 28, 2026 on SIX.
- LONN's all time high close is CHF 756.42, set on Sep 6, 2021; its all time low close is CHF 25.77 on Jun 4, 2012.
- LONN's 52 week range is CHF 449.88 to CHF 597.80.
- LONN returned +11.9% over the year to Sep 28, 2026 and -13.5% over five years.
- Over ten years LONN returned +262%, +13.7% a year compounded.
- LONN's deepest drawdown was -76.7% from Aug 6, 2008 to Jun 4, 2012.
- DataCedar holds 6,831 daily sessions of LONN history from Nov 1, 1999 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
LONN price chart, 1999 to 2026
LONN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -0.9% |
| 3 months | +8.2% |
| 6 months | +18.8% |
| Year to date | +8.7% |
| 1 year | +11.9% |
| 3 years | +40.5% |
| 5 years | -13.5% |
| 10 years | +261.6% |
| Since Nov 1, 1999 | +1,507% |
| Compound annual growth, 26.9 years | +10.9% |
LONN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- CHF 756.42 on Sep 6, 2021
- All time low close
- CHF 25.77 on Jun 4, 2012
- 52 week high
- CHF 597.80 on Aug 25, 2026
- 52 week low
- CHF 449.88 on Mar 23, 2026
- Deepest drawdown
- -76.7% from Aug 6, 2008 to Jun 4, 2012, recovered Apr 27, 2015
- Best single session
- +20.4% on Apr 3, 2002
- Worst single session
- -25.0% on Oct 29, 2009
- Volatility, 1 year annualised
- 22.6%
- Sessions closing higher, 1 year
- 51%
- Growth of 1 since 1999
- 16.1×
- Best calendar year
- 2013, +78%
- Worst calendar year
- 2022, -40%
LONN 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. 1999 starts on Nov 1, 1999; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | CHF 527.27 | CHF 597.80 | CHF 449.88 | CHF 578.40 | +8.7% | 29M | 186 |
| 2025 | CHF 527.74 | CHF 605.37 | CHF 459.73 | CHF 532.22 | +1.1% | 35.6M | 249 |
| 2024 | CHF 345.25 | CHF 579.23 | CHF 330.62 | CHF 526.56 | +52.6% | 46M | 250 |
| 2023 | CHF 442.23 | CHF 584.58 | CHF 300.97 | CHF 344.96 | -21.5% | 52M | 251 |
| 2022 | CHF 740.80 | CHF 741.18 | CHF 423.42 | CHF 439.22 | -40.2% | 43.6M | 254 |
| 2021 | CHF 555.11 | CHF 757.19 | CHF 495.07 | CHF 734.24 | +34.6% | 44.7M | 254 |
| 2020 | CHF 333.23 | CHF 611.70 | CHF 286.83 | CHF 545.52 | +62.1% | 94.4M | 252 |
| 2019 | CHF 242.07 | CHF 346.86 | CHF 236.40 | CHF 336.57 | +39.9% | 77.9M | 249 |
| 2018 | CHF 247.60 | CHF 323.01 | CHF 203.69 | CHF 240.56 | -2.2% | 86.3M | 249 |
| 2017 | CHF 152.93 | CHF 253.02 | CHF 148.77 | CHF 246.01 | +61.2% | 86M | 251 |
| 2016 | CHF 137.19 | CHF 164.87 | CHF 113.76 | CHF 152.58 | +9.8% | 48.2M | 254 |
| 2015 | CHF 93.92 | CHF 140.01 | CHF 75.95 | CHF 138.98 | +48.2% | 64.2M | 251 |
| 2014 | CHF 67.85 | CHF 99.10 | CHF 66.18 | CHF 93.75 | +36.1% | 54.9M | 249 |
| 2013 | CHF 39.28 | CHF 73.14 | CHF 39.06 | CHF 68.91 | +77.7% | 67.8M | 249 |
| 2012 | CHF 42.23 | CHF 46.69 | CHF 25.77 | CHF 38.77 | -6.8% | 80.5M | 250 |
| 2011 | CHF 55.16 | CHF 59.78 | CHF 33.20 | CHF 41.59 | -23.7% | 89.7M | 254 |
| 2010 | CHF 52.83 | CHF 66.14 | CHF 47.81 | CHF 54.50 | +4.8% | 84.1M | 254 |
| 2009 | CHF 70.42 | CHF 84.64 | CHF 50.80 | CHF 52.01 | -23.9% | 98.8M | 253 |
| 2008 | CHF 94.37 | CHF 110.98 | CHF 14.22 | CHF 68.35 | -28.0% | 104.7M | 253 |
| 2007 | CHF 72.53 | CHF 95.40 | CHF 71.16 | CHF 94.99 | +32.2% | 97M | 251 |
| 2006 | CHF 54.05 | CHF 74.16 | CHF 52.64 | CHF 71.85 | +32.9% | 100.9M | 258 |
| 2005 | CHF 42.75 | CHF 54.29 | CHF 41.46 | CHF 54.05 | +27.8% | 78.3M | 260 |
| 2004 | CHF 46.05 | CHF 48.57 | CHF 34.03 | CHF 42.29 | -8.2% | 83.2M | 262 |
| 2003 | CHF 53.05 | CHF 55.92 | CHF 38.70 | CHF 46.05 | -13.2% | 100.9M | 261 |
| 2002 | CHF 56.80 | CHF 76.42 | CHF 48.79 | CHF 53.05 | -6.6% | 63.1M | 261 |
| 2001 | CHF 41.73 | CHF 58.37 | CHF 37.21 | CHF 56.80 | +36.1% | 52.4M | 261 |
| 2000 | CHF 37.95 | CHF 41.95 | CHF 31.17 | CHF 41.73 | +9.9% | 44.1M | 260 |
| 1999 | CHF 36.46 | CHF 38.11 | CHF 35.76 | CHF 37.95 | n/a | 14.4M | 45 |
LONN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | CHF 578.40 | +0.3% |
| August 2026 | CHF 576.60 | +2.6% |
| July 2026 | CHF 562.20 | +3.0% |
| June 2026 | CHF 545.80 | +9.1% |
| May 2026 | CHF 500.40 | +5.5% |
| April 2026 | CHF 474.23 | -5.1% |
| March 2026 | CHF 499.56 | -5.9% |
| February 2026 | CHF 530.64 | +2.1% |
| January 2026 | CHF 519.55 | -2.4% |
| December 2025 | CHF 532.22 | -2.2% |
| November 2025 | CHF 544.29 | -0.8% |
| October 2025 | CHF 548.45 | +5.1% |
About the LONN data
Daily bars. 6,831 sessions from Nov 1, 1999 to Sep 28, 2026, one row per SIX 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 Sep 17, 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 SIX trading days; minute timestamps are UTC. Prices are in CHF. 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 Nov 1, 1999, 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/LONN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on SIX
Common questions
LONN share price history
