LSE · HSM · stock
Samuel Heath & Sons plc (HSM) stock price history
Every LSE trading session of Samuel Heath & Sons plc from Jul 25, 1988 to Nov 12, 2026: 8,085 daily bars, adjusted for splits and dividends, with minute bars from Sep 21, 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.
HSM adjusted close, 1988 to 2026
- £4.30
- All time high, 2024
- £4.00
- 52 week high, £0.0340 low
- 8,085
- Daily sessions since 1988
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 1988 to 2026 series and minute bars.
HSM key facts
- Samuel Heath & Sons plc (HSM) closed at £2.55 on Nov 12, 2026 on LSE.
- HSM's all time high close is £4.30, set on Sep 24, 2024; its all time low close is £0.0020 on Nov 16, 1992.
- HSM's 52 week range is £0.0340 to £4.00.
- HSM returned +7,403% over the year to Nov 12, 2026 and +5,462% over five years.
- Over ten years HSM returned +11,081%, +60.3% a year compounded.
- HSM's deepest drawdown was -99.3% from Oct 7, 2024 to Feb 26, 2025.
- DataCedar holds 8,085 daily sessions of HSM history from Jul 25, 1988 and minute bars from Sep 21, 2026, adjusted for splits and dividends, served by the API under a key.
HSM price chart, 1988 to 2026
HSM returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | 0.0% |
| 3 months | +0.0% |
| 6 months | -21.5% |
| Year to date | +7,403% |
| 1 year | +7,403% |
| 3 years | +6,371% |
| 5 years | +5,462% |
| 10 years | +11,081% |
| Since Jul 25, 1988 | +83,185% |
| Compound annual growth, 38.3 years | +19.2% |
HSM records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £4.30 on Sep 24, 2024
- All time low close
- £0.0020 on Nov 16, 1992
- 52 week high
- £4.00 on Feb 12, 2026
- 52 week low
- £0.0340 on Nov 12, 2025
- Deepest drawdown
- -99.3% from Oct 7, 2024 to Feb 26, 2025, not yet recovered
- Best single session
- +9,900% on Dec 9, 2024
- Worst single session
- -99.0% on Dec 6, 2024
- Volatility, 1 year annualised
- 1,599%
- Sessions closing higher, 1 year
- 6%
- Growth of 1 since 1988
- 833×
- Best calendar year
- 2024, +10,511%
- Worst calendar year
- 1992, -29%
HSM 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. 1988 starts on Jul 25, 1988; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £3.40 | £4.00 | £2.25 | £2.55 | -25.0% | 23.3K | 136 |
| 2025 | £3.40 | £3.69 | £0.0300 | £3.40 | +0.0% | 3.9K | 225 |
| 2024 | £0.0320 | £4.30 | £0.0275 | £3.40 | +10,511% | 1.6K | 220 |
| 2023 | £0.0430 | £0.0455 | £0.0296 | £0.0320 | -25.6% | 2.9K | 238 |
| 2022 | £0.0515 | £0.0614 | £0.0430 | £0.0430 | -16.4% | 210 | 210 |
| 2021 | £0.0294 | £0.0561 | £0.0294 | £0.0515 | +75.1% | 9.8K | 221 |
| 2020 | £0.0252 | £0.0294 | £0.0184 | £0.0294 | +16.5% | 4.8K | 219 |
| 2019 | £0.0334 | £0.0339 | £0.0225 | £0.0252 | -24.5% | 2K | 223 |
| 2018 | £0.0401 | £0.0438 | £0.0330 | £0.0334 | -14.1% | 3.7K | 230 |
| 2017 | £0.0228 | £0.0447 | £0.0228 | £0.0389 | +70.4% | 7.5K | 217 |
| 2016 | £0.0214 | £0.0232 | £0.0199 | £0.0228 | +6.5% | 11.3K | 230 |
| 2015 | £0.0166 | £0.0237 | £0.0149 | £0.0214 | +28.9% | 34.9K | 241 |
| 2014 | £0.0199 | £0.0233 | £0.0162 | £0.0166 | -16.5% | 25.9K | 235 |
| 2013 | £0.0228 | £0.0239 | £0.0153 | £0.0199 | -12.7% | 16.1K | 224 |
| 2012 | £0.0231 | £0.0250 | £0.0228 | £0.0228 | -0.6% | 20K | 170 |
| 2011 | £0.0250 | £0.0259 | £0.0210 | £0.0229 | -8.4% | 9.7K | 166 |
| 2010 | £0.0253 | £0.0281 | £0.0225 | £0.0250 | -0.9% | 46.8K | 248 |
| 2009 | £0.0247 | £0.0273 | £0.0225 | £0.0253 | +2.4% | 4.9K | 165 |
| 2008 | £0.0269 | £0.0269 | £0.0223 | £0.0247 | -8.3% | 7.7K | 135 |
| 2007 | £0.0262 | £0.0294 | £0.0247 | £0.0269 | +3.9% | 37.6K | 234 |
| 2006 | £0.0249 | £0.0275 | £0.0224 | £0.0259 | +3.9% | 18.6K | 111 |
| 2005 | £0.0228 | £0.0257 | £0.0220 | £0.0249 | +9.6% | 31K | 225 |
| 2004 | £0.0169 | £0.0248 | £0.0169 | £0.0228 | +34.7% | 101.2K | 221 |
| 2003 | £0.0141 | £0.0174 | £0.0133 | £0.0169 | +19.7% | 135.9K | 257 |
| 2002 | £0.0125 | £0.0146 | £0.0124 | £0.0141 | +12.8% | 174.6K | 261 |
| 2001 | £0.0095 | £0.0126 | £0.0094 | £0.0125 | +31.6% | 262K | 261 |
| 2000 | £0.0064 | £0.0095 | £0.0064 | £0.0095 | +49.3% | 651.7K | 233 |
| 1999 | £0.0045 | £0.0065 | £0.0043 | £0.0064 | +43.1% | 2.3M | 261 |
| 1998 | £0.0051 | £0.0057 | £0.0043 | £0.0045 | -12.7% | 230.7K | 261 |
| 1997 | £0.0042 | £0.0053 | £0.0037 | £0.0051 | +20.6% | 860K | 259 |
| 1996 | £0.0036 | £0.0055 | £0.0036 | £0.0042 | +18.7% | 450K | 228 |
| 1995 | £0.0031 | £0.0043 | £0.0029 | £0.0036 | +15.3% | 0 | 188 |
| 1994 | £0.0031 | £0.0037 | £0.0031 | £0.0031 | -0.7% | 0 | 185 |
| 1993 | £0.0020 | £0.0031 | £0.0020 | £0.0031 | +55.8% | 0 | 253 |
| 1992 | £0.0022 | £0.0024 | £0.0020 | £0.0020 | -28.6% | 0 | 201 |
| 1991 | £0.0032 | £0.0032 | £0.0028 | £0.0028 | -12.5% | 0 | 212 |
| 1990 | £0.0036 | £0.0037 | £0.0032 | £0.0032 | -11.1% | 0 | 121 |
| 1989 | £0.0036 | £0.0040 | £0.0036 | £0.0036 | +12.5% | 0 | 111 |
| 1988 | £0.0031 | £0.0032 | £0.0028 | £0.0032 | n/a | 0 | 49 |
HSM monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | £2.55 | 0.0% |
| October 2026 | £2.55 | +4.1% |
| September 2026 | £2.45 | 0.0% |
| August 2026 | £2.45 | -3.9% |
| July 2026 | £2.55 | -15.0% |
| June 2026 | £3.00 | -7.7% |
| May 2026 | £3.25 | 0.0% |
| April 2026 | £3.25 | -1.5% |
| March 2026 | £3.30 | -1.5% |
| February 2026 | £3.35 | -5.6% |
| January 2026 | £3.55 | +4.4% |
| December 2025 | £3.40 | 0.0% |
About the HSM data
Daily bars. 8,085 sessions from Jul 25, 1988 to Nov 12, 2026, one row per LSE 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 21, 2026 forward, most recent session Nov 5, 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 LSE trading days; minute timestamps are UTC. Prices are in GBP. 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 Jul 25, 1988, 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/lse%3AHSM/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
HSM share price history
