Borsa Italiana · 1LONN · stock
Lonza Group AG (1LONN) stock price history
Every Borsa Italiana trading session of Lonza Group AG from May 30, 2025 to Sep 28, 2026: 338 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.
1LONN adjusted close, 2025 to 2026
- €635.80
- All time high, 2026
- €638.00
- 52 week high, €505.27 low
- 338
- Daily sessions since 2025
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2025 to 2026 series and minute bars.
1LONN key facts
- Lonza Group AG (1LONN) closed at €617.00 on Sep 28, 2026 on Borsa Italiana.
- 1LONN's all time high close is €635.80, set on Jul 10, 2026; its all time low close is €505.27 on Mar 19, 2026.
- 1LONN's 52 week range is €505.27 to €638.00.
- 1LONN returned +7.4% over the year to Sep 28, 2026.
- Since May 30, 2025 1LONN returned +2%, +1.6% a year compounded.
- 1LONN's deepest drawdown was -19.0% from Nov 3, 2025 to Mar 19, 2026.
- DataCedar holds 338 daily sessions of 1LONN history from May 30, 2025 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
1LONN price chart, 2025 to 2026
1LONN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.0% |
| 3 months | +5.4% |
| 6 months | +20.9% |
| Year to date | +9.3% |
| 1 year | +7.4% |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since May 30, 2025 | +2.1% |
| Compound annual growth, 1.3 years | +1.6% |
1LONN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €635.80 on Jul 10, 2026
- All time low close
- €505.27 on Mar 19, 2026
- 52 week high
- €638.00 on Jul 10, 2026
- 52 week low
- €505.27 on Mar 19, 2026
- Deepest drawdown
- -19.0% from Nov 3, 2025 to Mar 19, 2026, recovered Jul 6, 2026
- Best single session
- +10.4% on Apr 15, 2026
- Worst single session
- -7.9% on Nov 4, 2025
- Volatility, 1 year annualised
- 31.1%
- Sessions closing higher, 1 year
- 21%
1LONN 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. 2025 starts on May 30, 2025; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €564.72 | €638.00 | €507.06 | €617.00 | +9.3% | 7.7K | 189 |
| 2025 | €614.25 | €653.88 | €544.90 | €564.72 | n/a | 1.8K | 149 |
1LONN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €617.00 | +0.3% |
| August 2026 | €615.40 | +1.2% |
| July 2026 | €608.20 | +5.0% |
| June 2026 | €579.20 | +6.2% |
| May 2026 | €545.40 | +5.3% |
| April 2026 | €518.15 | -4.0% |
| March 2026 | €539.95 | -5.2% |
| February 2026 | €569.67 | 0.0% |
| January 2026 | €569.67 | +0.9% |
| December 2025 | €564.72 | -5.0% |
| November 2025 | €594.44 | -4.8% |
| October 2025 | €624.16 | +8.6% |
About the 1LONN data
Daily bars. 338 sessions from May 30, 2025 to Sep 28, 2026, one row per Borsa Italiana 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 Borsa Italiana trading days; minute timestamps are UTC. Prices are in EUR. 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 May 30, 2025, 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/1LONN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Borsa Italiana
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Common questions
1LONN share price history
