Greenwich LifeSciences Stock Price History
NASDAQ: GLSIHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
GLSI price history at a glance
The price history for Greenwich LifeSciences (GLSI) on this page begins on September 21, 2020, when the stock closed at $5.00; it most recently closed at $16.53 on October 5, 2026. The highest price in this record is $158.07, reached on December 7, 2020; the latest close is 89.5% below that peak. Across the 5 complete calendar years in the table, GLSI finished higher in 2 and lower in 3. Its best year was 2025 (+51.2%) and its worst was 2022 (-37.5%).
Over roughly 6 years the share price changed +230.6%, a 21.9% compound annual price return (excluding dividends). In the last 12 months alone, GLSI has gained 47.9%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2020
- $158.07
- Date of high
- Dec 7, 2020
- Low since 2020
- $3.26
- Date of low
- Nov 2, 2020
- 52-week high
- $34.10
- 52-week low
- $7.78
- IPO year
- 2020
- Last close
- $16.53
GLSI returns
1 week
-2.65%
1 month
+9.98%
3 months
-16.52%
6 months
-35.88%
Year to date
-21.32%
1 year
+47.85%
3 years
+91.32%
5 years
-56.45%
GLSI price return, excluding dividends.
GLSI annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 16.53 | -15.10% |
| 2025 | 19.47 | +51.16% |
| 2024 | 12.88 | +22.43% |
| 2023 | 10.52 | -30.79% |
| 2022 | 15.20 | -37.53% |
| 2021 | 24.33 | -33.29% |
| 2020* | 36.47 | +629.40% |
* Partial year: the record begins after the start of 2020; return measured from the first available close.
2026 return is year to date.
GLSI daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 15.31 | 16.80 | 15.20 | 16.53 | +9.18% | |
| 15.29 | 16.14 | 14.55 | 15.14 | -1.62% | |
| 15.81 | 16.37 | 15.00 | 15.39 | -2.53% | |
| 17.02 | 17.32 | 15.40 | 15.79 | -6.62% | |
| 16.92 | 17.25 | 16.26 | 16.91 | -0.41% | |
| 17.65 | 18.25 | 16.60 | 16.98 | -2.13% | |
| 18.12 | 18.35 | 16.81 | 17.35 | -3.88% | |
| 18.60 | 19.31 | 18.01 | 18.05 | -1.80% | |
| 18.78 | 19.21 | 18.20 | 18.38 | -1.13% | |
| 18.12 | 19.00 | 17.85 | 18.59 | +2.03% | |
| 18.00 | 18.69 | 18.00 | 18.22 | +0.66% | |
| 17.46 | 18.15 | 17.30 | 18.10 | +3.37% | |
| 19.31 | 19.36 | 17.12 | 17.51 | -10.11% | |
| 18.58 | 20.31 | 18.31 | 19.48 | +4.76% | |
| 19.20 | 19.24 | 18.12 | 18.60 | -2.08% | |
| 18.40 | 20.04 | 18.25 | 18.99 | +3.26% | |
| 16.04 | 18.75 | 16.04 | 18.39 | +17.66% | |
| 16.09 | 16.37 | 15.35 | 15.63 | -2.86% | |
| 15.81 | 16.43 | 15.35 | 16.09 | +0.25% | |
| 15.15 | 16.30 | 15.15 | 16.05 | +3.88% | |
| 15.33 | 15.60 | 15.09 | 15.45 | +2.59% | |
| 14.54 | 15.35 | 14.46 | 15.06 | +0.20% | |
| 15.79 | 16.34 | 14.90 | 15.03 | -5.47% | |
| 15.71 | 16.25 | 15.53 | 15.90 | -0.31% | |
| 15.45 | 15.98 | 15.45 | 15.95 | +2.05% | |
| 15.80 | 16.02 | 15.50 | 15.63 | -0.70% | |
| 15.01 | 16.02 | 14.99 | 15.74 | +4.86% | |
| 14.56 | 15.08 | 14.40 | 15.01 | +0.40% | |
| 15.50 | 15.62 | 14.32 | 14.95 | -4.59% | |
| 18.77 | 18.94 | 14.25 | 15.67 | -16.34% | |
| 18.04 | 18.89 | 18.01 | 18.73 | +2.74% | |
| 18.60 | 18.61 | 17.82 | 18.23 | -1.94% | |
| 17.46 | 19.64 | 17.44 | 18.59 | +5.75% | |
| 16.64 | 17.68 | 15.78 | 17.58 | +5.46% | |
| 16.16 | 17.48 | 15.54 | 16.67 | +8.88% | |
| 17.41 | 17.68 | 15.00 | 15.31 | -11.71% | |
| 17.70 | 18.17 | 17.17 | 17.34 | +0.46% | |
| 17.06 | 17.85 | 16.90 | 17.26 | -0.69% | |
| 16.80 | 17.75 | 16.55 | 17.38 | +3.45% | |
| 16.48 | 17.42 | 15.96 | 16.80 | +2.56% | |
| 17.06 | 17.12 | 16.28 | 16.38 | -3.19% | |
| 15.85 | 17.74 | 15.60 | 16.92 | +8.81% | |
| 15.87 | 16.14 | 14.80 | 15.55 | +0.32% | |
| 14.79 | 16.23 | 14.76 | 15.50 | +7.94% | |
| 14.52 | 14.75 | 14.20 | 14.36 | +0.84% | |
| 14.31 | 14.97 | 14.24 | 14.24 | -1.04% | |
| 14.39 | 14.75 | 14.19 | 14.39 | +0.28% | |
| 13.53 | 14.57 | 13.19 | 14.35 | +5.98% | |
| 13.46 | 14.17 | 13.18 | 13.54 | +0.30% | |
| 14.21 | 14.30 | 13.24 | 13.50 | -3.71% | |
| 12.97 | 14.35 | 12.97 | 14.02 | +9.53% | |
| 13.59 | 14.09 | 12.59 | 12.80 | -4.83% | |
| 13.32 | 13.75 | 12.90 | 13.45 | +0.07% | |
| 13.54 | 14.08 | 13.15 | 13.44 | +3.54% | |
| 13.18 | 13.50 | 12.51 | 12.98 | -1.59% | |
| 13.27 | 13.72 | 12.58 | 13.19 | -0.60% | |
| 14.38 | 14.81 | 13.00 | 13.27 | -9.42% | |
| 13.85 | 15.36 | 13.04 | 14.65 | +4.12% | |
| 16.38 | 17.20 | 13.24 | 14.07 | -13.79% | |
| 18.56 | 18.96 | 15.55 | 16.32 | -14.15% | |
| 20.18 | 21.70 | 18.59 | 19.01 | -2.71% | |
| 18.93 | 19.87 | 18.93 | 19.54 | +2.79% | |
| 18.93 | 19.35 | 18.28 | 19.01 | +2.37% | |
| 19.60 | 20.00 | 18.22 | 18.57 | -6.21% | |
| 19.57 | 20.28 | 19.08 | 19.80 | +1.18% | |
| 20.03 | 20.65 | 19.16 | 19.57 | +3.71% | |
| 18.36 | 19.02 | 17.96 | 18.87 | +1.62% | |
| 20.54 | 21.65 | 18.29 | 18.57 | -9.15% | |
| 22.28 | 22.28 | 20.40 | 20.44 | -7.09% | |
| 23.69 | 23.95 | 21.80 | 22.00 | -7.17% | |
| 23.51 | 24.50 | 22.84 | 23.70 | +1.02% | |
| 23.14 | 24.60 | 23.13 | 23.46 | +0.90% | |
| 19.84 | 23.77 | 19.81 | 23.25 | +17.42% | |
| 18.47 | 20.27 | 17.90 | 19.80 | +8.02% | |
| 21.80 | 22.32 | 16.52 | 18.33 | -14.84% | |
| 22.97 | 23.50 | 21.31 | 21.53 | -6.53% | |
| 23.66 | 23.99 | 22.91 | 23.03 | -3.03% | |
| 23.91 | 24.55 | 23.60 | 23.75 | +1.58% | |
| 24.68 | 24.90 | 22.60 | 23.38 | -2.54% | |
| 24.10 | 25.50 | 23.99 | 23.99 | +0.46% | |
| 23.40 | 24.99 | 23.03 | 23.88 | +2.01% | |
| 24.40 | 24.58 | 23.00 | 23.41 | -2.70% | |
| 23.18 | 24.38 | 23.18 | 24.06 | +4.47% | |
| 22.31 | 23.32 | 21.92 | 23.03 | +4.16% | |
| 22.17 | 23.40 | 22.02 | 22.11 | -0.54% | |
| 22.29 | 22.56 | 21.40 | 22.23 | +2.68% | |
| 22.64 | 22.90 | 20.91 | 21.65 | -2.70% | |
| 23.30 | 23.30 | 21.75 | 22.25 | -6.00% | |
| 23.62 | 24.93 | 22.40 | 23.67 | -2.55% | |
| 24.30 | 25.20 | 23.30 | 24.29 | 0.00% | |
| 27.35 | 27.38 | 22.00 | 24.29 | -14.80% | |
| 27.13 | 29.93 | 26.81 | 28.51 | +8.92% | |
| 29.34 | 29.38 | 26.00 | 26.18 | -9.71% | |
| 28.92 | 29.36 | 27.51 | 28.99 | -0.82% | |
| 27.39 | 29.83 | 27.27 | 29.23 | +6.72% | |
| 27.85 | 28.94 | 27.03 | 27.39 | -0.94% | |
| 27.22 | 28.78 | 27.22 | 27.65 | +1.69% | |
| 26.80 | 27.58 | 26.00 | 27.19 | -0.48% | |
| 26.85 | 27.58 | 26.06 | 27.32 | +3.84% | |
| 26.49 | 26.98 | 25.80 | 26.31 | -2.12% | |
| 27.21 | 28.00 | 26.60 | 26.88 | -1.21% | |
| 26.59 | 29.10 | 25.52 | 27.21 | +4.77% | |
| 25.86 | 27.17 | 25.55 | 25.97 | +2.65% | |
| 24.90 | 26.95 | 24.83 | 25.30 | +2.39% | |
| 24.01 | 25.20 | 23.55 | 24.71 | +2.40% | |
| 23.20 | 26.00 | 23.20 | 24.13 | +5.56% | |
| 23.14 | 24.01 | 22.86 | 22.86 | -3.22% | |
| 23.18 | 23.68 | 22.66 | 23.62 | +2.43% | |
| 23.00 | 23.74 | 22.80 | 23.06 | +3.41% | |
| 22.20 | 22.58 | 21.41 | 22.30 | +1.46% | |
| 23.36 | 23.90 | 21.96 | 21.98 | -7.26% | |
| 23.46 | 24.90 | 22.92 | 23.70 | +0.34% | |
| 21.61 | 23.62 | 21.61 | 23.62 | +9.35% | |
| 22.64 | 22.64 | 21.25 | 21.60 | -5.26% | |
| 23.89 | 24.00 | 22.71 | 22.80 | -4.96% | |
| 23.99 | 24.96 | 23.76 | 23.99 | -0.91% | |
| 23.76 | 24.72 | 23.41 | 24.21 | +2.28% | |
| 24.40 | 25.00 | 23.27 | 23.67 | -5.09% | |
| 24.05 | 25.44 | 23.64 | 24.94 | +8.86% | |
| 24.52 | 24.83 | 22.80 | 22.91 | -6.57% | |
| 27.80 | 28.99 | 24.10 | 24.52 | -11.61% | |
| 27.48 | 30.26 | 27.26 | 27.74 | +2.36% | |
| 25.67 | 27.25 | 25.00 | 27.10 | +4.59% | |
| 25.95 | 26.69 | 25.40 | 25.91 | -0.42% | |
| 27.49 | 28.15 | 25.81 | 26.02 | -5.35% | |
| 25.36 | 27.64 | 25.17 | 27.49 | +6.63% | |
| 25.79 | 26.44 | 25.51 | 25.78 | -0.15% | |
| 24.20 | 26.61 | 24.01 | 25.82 | +6.69% | |
| 23.86 | 24.96 | 23.55 | 24.20 | +7.51% | |
| 22.40 | 22.51 | 21.00 | 22.51 | +2.18% | |
| 23.04 | 23.36 | 22.00 | 22.03 | -3.46% | |
| 22.22 | 23.55 | 22.22 | 22.82 | -0.61% | |
| 23.84 | 24.83 | 22.87 | 22.96 | -4.41% | |
| 22.20 | 24.26 | 22.12 | 24.02 | +11.77% | |
| 22.39 | 22.39 | 20.53 | 21.49 | -3.76% | |
| 25.00 | 25.00 | 22.20 | 22.33 | -11.88% | |
| 25.55 | 26.85 | 25.02 | 25.34 | -2.50% | |
| 25.91 | 27.21 | 25.70 | 25.99 | +1.21% | |
| 24.67 | 26.13 | 24.67 | 25.68 | +1.78% | |
| 25.02 | 25.81 | 24.53 | 25.23 | +4.69% | |
| 25.68 | 26.33 | 23.85 | 24.10 | -6.88% | |
| 26.15 | 26.49 | 24.61 | 25.88 | -3.11% | |
| 29.15 | 29.44 | 26.65 | 26.71 | -11.11% | |
| 27.14 | 30.25 | 25.30 | 30.05 | +6.83% | |
| 28.10 | 29.59 | 27.24 | 28.13 | +5.20% | |
| 26.74 | 28.10 | 26.07 | 26.74 | +0.75% | |
| 26.00 | 27.18 | 25.40 | 26.54 | -0.11% | |
| 27.38 | 27.64 | 26.25 | 26.57 | -1.37% | |
| 25.63 | 28.28 | 25.63 | 26.94 | +4.58% | |
| 22.59 | 25.92 | 22.59 | 25.76 | +11.56% | |
| 23.91 | 24.52 | 22.64 | 23.09 | -6.40% | |
| 26.79 | 27.00 | 24.67 | 24.67 | -8.63% | |
| 27.51 | 29.00 | 27.00 | 27.00 | -0.95% | |
| 26.25 | 28.55 | 26.05 | 27.26 | -0.47% | |
| 26.62 | 28.72 | 26.49 | 27.39 | -1.19% | |
| 27.33 | 28.64 | 27.18 | 27.72 | -1.42% | |
| 25.85 | 28.14 | 24.75 | 28.12 | +7.62% | |
| 24.78 | 26.20 | 23.89 | 26.13 | +5.02% | |
| 23.00 | 25.62 | 22.83 | 24.88 | +9.60% | |
| 23.54 | 24.15 | 21.64 | 22.70 | -5.65% | |
| 24.58 | 25.25 | 23.74 | 24.06 | -3.49% | |
| 24.06 | 25.20 | 23.06 | 24.93 | +1.80% | |
| 25.26 | 26.19 | 24.00 | 24.49 | -2.97% | |
| 26.37 | 26.69 | 24.46 | 25.24 | -6.00% | |
| 26.02 | 28.43 | 25.90 | 26.85 | +4.35% | |
| 27.50 | 28.00 | 25.68 | 25.73 | -7.21% | |
| 28.01 | 28.48 | 26.55 | 27.73 | -0.93% | |
| 29.54 | 29.54 | 27.43 | 27.99 | -5.85% | |
| 28.20 | 30.13 | 27.50 | 29.73 | +2.52% | |
| 25.40 | 29.00 | 24.76 | 29.00 | +15.13% | |
| 26.23 | 26.60 | 24.00 | 25.19 | -6.74% | |
| 27.20 | 28.29 | 26.13 | 27.01 | -3.62% | |
| 31.75 | 31.97 | 26.95 | 28.03 | -12.34% | |
| 29.33 | 32.66 | 29.15 | 31.97 | +6.32% | |
| 29.71 | 31.09 | 26.51 | 30.07 | +0.17% | |
| 28.10 | 30.67 | 28.10 | 30.02 | +5.00% | |
| 32.91 | 33.31 | 28.59 | 28.59 | -14.82% | |
| 29.52 | 34.10 | 29.00 | 33.57 | +9.62% | |
| 26.70 | 31.51 | 26.11 | 30.62 | +20.22% | |
| 23.02 | 26.93 | 22.65 | 25.47 | +8.11% | |
| 27.19 | 29.90 | 22.52 | 23.56 | +5.65% | |
| 21.43 | 23.69 | 20.00 | 22.30 | +4.74% | |
| 23.98 | 24.51 | 20.91 | 21.29 | -14.43% | |
| 27.51 | 27.51 | 23.98 | 24.88 | -8.50% | |
| 29.23 | 31.64 | 27.00 | 27.19 | -7.17% | |
| 29.02 | 32.91 | 28.47 | 29.29 | +0.93% | |
| 26.81 | 30.42 | 26.27 | 29.02 | +8.16% | |
| 24.73 | 28.10 | 22.81 | 26.83 | +6.13% | |
| 22.24 | 26.74 | 22.10 | 25.28 | +12.81% | |
| 24.22 | 24.97 | 21.00 | 22.41 | -10.29% | |
| 20.60 | 25.20 | 20.40 | 24.98 | +21.68% | |
| 21.04 | 21.42 | 20.05 | 20.53 | -3.21% | |
| 19.72 | 21.87 | 18.69 | 21.21 | +8.94% | |
| 21.28 | 21.28 | 18.54 | 19.47 | -7.33% | |
| 21.99 | 21.99 | 18.57 | 21.01 | -4.15% | |
| 25.93 | 29.70 | 20.60 | 21.92 | -11.54% | |
| 21.19 | 30.82 | 20.68 | 24.78 | +19.80% | |
| 17.14 | 22.31 | 16.35 | 20.69 | +20.19% | |
| 14.68 | 17.99 | 14.08 | 17.21 | +18.12% | |
| 13.23 | 14.67 | 13.11 | 14.57 | +9.02% | |
| 13.36 | 14.01 | 13.18 | 13.37 | +2.73% | |
| 12.16 | 13.10 | 11.95 | 13.01 | +5.00% | |
| 10.71 | 13.76 | 10.71 | 12.39 | +15.36% | |
| 10.40 | 11.10 | 10.40 | 10.74 | +3.27% | |
| 10.31 | 10.70 | 10.00 | 10.40 | +0.87% | |
| 12.93 | 14.19 | 10.11 | 10.31 | -3.91% | |
| 11.98 | 11.98 | 10.51 | 10.73 | -4.79% | |
| 10.16 | 11.62 | 10.15 | 11.27 | +11.47% | |
| 9.88 | 10.13 | 9.60 | 10.11 | +2.22% | |
| 9.62 | 9.96 | 9.50 | 9.89 | +2.91% | |
| 9.22 | 9.69 | 9.20 | 9.61 | +7.49% | |
| 9.16 | 9.18 | 8.80 | 8.94 | +1.59% | |
| 8.43 | 8.85 | 8.30 | 8.80 | +4.64% | |
| 8.06 | 8.58 | 8.03 | 8.41 | +5.13% | |
| 8.25 | 8.33 | 7.97 | 8.00 | -2.91% | |
| 8.50 | 8.61 | 8.12 | 8.24 | -5.61% | |
| 8.47 | 8.95 | 8.47 | 8.73 | +4.55% | |
| 8.36 | 8.50 | 8.21 | 8.35 | -0.60% | |
| 7.88 | 8.53 | 7.88 | 8.40 | +7.01% | |
| 8.10 | 8.27 | 7.78 | 7.85 | -3.68% | |
| 8.17 | 8.41 | 8.05 | 8.15 | -0.12% | |
| 8.22 | 8.55 | 8.11 | 8.16 | +0.37% | |
| 8.24 | 8.56 | 8.05 | 8.13 | -1.33% | |
| 8.18 | 8.32 | 8.05 | 8.24 | +0.12% | |
| 8.39 | 8.50 | 8.05 | 8.23 | -1.08% | |
| 8.05 | 8.55 | 8.05 | 8.32 | +1.46% | |
| 8.33 | 8.37 | 7.94 | 8.20 | -1.50% | |
| 8.85 | 8.95 | 8.30 | 8.33 | -1.71% | |
| 8.62 | 8.62 | 8.05 | 8.47 | -1.80% | |
| 8.83 | 9.14 | 8.52 | 8.63 | -0.40% | |
| 8.12 | 8.85 | 7.88 | 8.66 | +5.35% | |
| 8.50 | 8.78 | 8.17 | 8.22 | -1.79% | |
| 8.25 | 8.65 | 8.23 | 8.37 | +3.46% | |
| 8.71 | 9.10 | 8.01 | 8.09 | -4.03% | |
| 9.20 | 9.22 | 8.43 | 8.43 | -8.47% | |
| 9.15 | 9.51 | 9.10 | 9.21 | +0.22% | |
| 9.14 | 9.54 | 9.13 | 9.19 | +0.44% | |
| 9.33 | 9.50 | 9.11 | 9.15 | -2.97% | |
| 9.70 | 9.82 | 9.34 | 9.43 | -3.68% | |
| 10.02 | 10.22 | 9.74 | 9.79 | -2.00% | |
| 9.34 | 10.00 | 9.30 | 9.99 | +8.71% | |
| 9.04 | 9.51 | 9.04 | 9.19 | +1.43% | |
| 9.16 | 9.26 | 8.90 | 9.06 | -1.09% | |
| 9.41 | 9.71 | 9.07 | 9.16 | -1.29% | |
| 9.50 | 9.81 | 9.17 | 9.28 | -2.21% | |
| 9.70 | 10.13 | 9.46 | 9.49 | -2.37% | |
| 10.31 | 10.84 | 9.69 | 9.72 | -5.91% | |
| 10.55 | 10.79 | 10.31 | 10.33 | -1.81% | |
| 10.20 | 10.60 | 9.91 | 10.52 | +2.14% | |
| 10.90 | 11.02 | 10.26 | 10.30 | -3.29% | |
| 11.31 | 11.31 | 10.59 | 10.65 | -4.74% | |
| 11.36 | 11.49 | 11.17 | 11.18 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the GLSI chart for longer ranges.