Supernus Pharmaceuticals Stock Price History
NASDAQ: SUPNHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
SUPN price history at a glance
The price history for Supernus Pharmaceuticals (SUPN) on this page begins on April 30, 2012, when the stock closed at $5.97; it most recently closed at $42.67 on October 5, 2026. The highest price in this record is $61.25, reached on June 25, 2018; the latest close is 30.3% below that peak. Across the 13 complete calendar years in the table, SUPN finished higher in 10 and lower in 3. Its best year was 2016 (+87.9%) and its worst was 2019 (-31.3%).
Over roughly 14 years the share price changed +614.7%, a 14.6% compound annual price return (excluding dividends). In the last 12 months alone, SUPN has lost 13.8%. 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 2012
- $61.25
- Date of high
- Jun 25, 2018
- Low since 2012
- $4.30
- Date of low
- Jun 4, 2012
- 52-week high
- $59.68
- 52-week low
- $40.51
- IPO year
- 2012
- Last close
- $42.67
SUPN returns
1 week
+0.68%
1 month
+1.43%
3 months
-11.95%
6 months
-15.81%
Year to date
-14.14%
1 year
-13.82%
3 years
+71.78%
5 years
+34.78%
SUPN price return, excluding dividends.
SUPN annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 42.67 | -13.75% |
| 2025 | 49.47 | +33.99% |
| 2024 | 36.92 | +27.57% |
| 2023 | 28.94 | -18.87% |
| 2022 | 35.67 | +22.33% |
| 2021 | 29.16 | +15.90% |
| 2020 | 25.16 | +6.61% |
| 2019 | 23.60 | -31.28% |
| 2018 | 34.34 | -13.83% |
| 2017 | 39.85 | +57.82% |
| 2016 | 25.25 | +87.87% |
| 2015 | 13.44 | +63.50% |
| 2014 | 8.22 | +2.11% |
| 2013 | 8.05 | +11.50% |
| 2012* | 7.22 | +20.94% |
* Partial year: the record begins after the start of 2012; return measured from the first available close.
2026 return is year to date.
SUPN daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 42.18 | 43.13 | 42.15 | 42.67 | +1.26% | |
| 42.41 | 43.41 | 41.14 | 42.14 | -2.11% | |
| 42.24 | 43.38 | 42.24 | 43.05 | +0.51% | |
| 42.86 | 43.12 | 41.40 | 42.83 | +0.16% | |
| 42.38 | 43.20 | 42.38 | 42.76 | +0.90% | |
| 42.47 | 43.15 | 41.88 | 42.38 | +0.47% | |
| 43.21 | 43.69 | 42.15 | 42.18 | -2.00% | |
| 44.03 | 44.18 | 43.03 | 43.04 | -2.12% | |
| 44.39 | 44.93 | 43.20 | 43.97 | -1.41% | |
| 42.59 | 44.61 | 42.38 | 44.60 | +4.55% | |
| 43.21 | 43.69 | 42.65 | 42.66 | -1.46% | |
| 43.22 | 44.00 | 42.77 | 43.29 | -0.23% | |
| 43.66 | 44.46 | 43.14 | 43.39 | -0.82% | |
| 43.04 | 44.25 | 42.82 | 43.75 | +2.27% | |
| 42.00 | 42.97 | 41.68 | 42.78 | +1.86% | |
| 42.89 | 42.89 | 41.60 | 42.00 | -2.14% | |
| 41.66 | 43.40 | 41.46 | 42.92 | +3.72% | |
| 41.31 | 41.84 | 40.75 | 41.38 | +0.24% | |
| 41.49 | 41.75 | 40.51 | 41.28 | -0.51% | |
| 42.16 | 42.54 | 41.23 | 41.49 | -0.36% | |
| 41.81 | 42.44 | 41.62 | 41.64 | -0.12% | |
| 41.84 | 42.55 | 41.11 | 41.69 | -0.90% | |
| 42.17 | 42.59 | 41.50 | 42.07 | -0.85% | |
| 43.56 | 43.56 | 42.32 | 42.43 | -2.53% | |
| 43.66 | 44.11 | 43.43 | 43.53 | -1.00% | |
| 44.56 | 44.56 | 43.16 | 43.97 | -0.14% | |
| 44.42 | 45.05 | 43.67 | 44.03 | +0.66% | |
| 44.35 | 44.75 | 43.53 | 43.74 | -1.06% | |
| 43.82 | 44.37 | 42.84 | 44.21 | +1.10% | |
| 43.95 | 44.34 | 43.12 | 43.73 | -1.04% | |
| 44.87 | 45.04 | 43.89 | 44.19 | -1.54% | |
| 45.11 | 45.43 | 44.50 | 44.88 | -1.06% | |
| 45.37 | 45.86 | 44.23 | 45.36 | +0.55% | |
| 45.60 | 45.86 | 44.82 | 45.11 | -1.61% | |
| 47.71 | 47.82 | 45.79 | 45.85 | -3.37% | |
| 47.86 | 48.26 | 46.93 | 47.45 | -2.25% | |
| 49.50 | 49.82 | 48.51 | 48.54 | -1.00% | |
| 48.80 | 49.57 | 48.54 | 49.03 | +1.57% | |
| 47.66 | 48.66 | 47.66 | 48.27 | 0.00% | |
| 46.70 | 48.39 | 46.57 | 48.27 | +2.38% | |
| 47.74 | 48.18 | 46.87 | 47.15 | -1.50% | |
| 47.15 | 47.92 | 46.26 | 47.87 | +2.11% | |
| 47.01 | 48.61 | 46.77 | 46.88 | -0.40% | |
| 47.11 | 47.72 | 46.47 | 47.07 | -1.20% | |
| 47.00 | 47.88 | 46.43 | 47.64 | +1.88% | |
| 47.82 | 48.40 | 46.55 | 46.76 | -0.32% | |
| 42.95 | 47.89 | 42.91 | 46.91 | +8.46% | |
| 46.23 | 46.58 | 42.63 | 43.25 | -5.98% | |
| 50.45 | 52.50 | 44.17 | 46.00 | +3.07% | |
| 45.19 | 45.67 | 44.35 | 44.63 | -2.15% | |
| 46.30 | 46.77 | 45.50 | 45.61 | -2.06% | |
| 47.60 | 48.00 | 46.08 | 46.57 | -2.43% | |
| 47.78 | 48.45 | 46.77 | 47.73 | +1.60% | |
| 46.56 | 48.08 | 45.84 | 46.98 | +1.69% | |
| 47.02 | 47.46 | 46.03 | 46.20 | -2.10% | |
| 46.41 | 47.54 | 46.07 | 47.19 | +0.53% | |
| 47.87 | 48.13 | 46.79 | 46.94 | -1.94% | |
| 47.00 | 48.02 | 46.39 | 47.87 | +0.95% | |
| 48.09 | 48.79 | 47.30 | 47.42 | -1.29% | |
| 48.15 | 49.06 | 47.90 | 48.04 | -0.35% | |
| 47.53 | 48.30 | 47.24 | 48.21 | +1.01% | |
| 46.81 | 47.74 | 46.20 | 47.73 | +2.29% | |
| 46.89 | 47.57 | 46.09 | 46.66 | -1.46% | |
| 48.09 | 48.24 | 46.91 | 47.35 | -2.29% | |
| 48.80 | 48.80 | 47.39 | 48.46 | -0.59% | |
| 50.82 | 51.37 | 47.88 | 48.75 | -3.35% | |
| 47.85 | 50.62 | 47.55 | 50.44 | +5.21% | |
| 47.74 | 48.34 | 47.04 | 47.94 | +1.48% | |
| 47.62 | 48.12 | 46.76 | 47.24 | -1.69% | |
| 47.49 | 48.11 | 46.97 | 48.05 | +1.35% | |
| 46.98 | 47.62 | 45.99 | 47.41 | +1.94% | |
| 46.64 | 47.08 | 46.00 | 46.51 | -0.62% | |
| 46.49 | 46.85 | 45.80 | 46.80 | -0.09% | |
| 44.75 | 47.13 | 44.75 | 46.84 | +4.67% | |
| 44.94 | 45.46 | 44.49 | 44.75 | -0.86% | |
| 44.55 | 45.50 | 44.12 | 45.14 | +1.48% | |
| 44.69 | 45.50 | 44.44 | 44.48 | 0.00% | |
| 44.50 | 45.00 | 44.09 | 44.48 | +0.23% | |
| 44.07 | 44.58 | 43.54 | 44.38 | +1.84% | |
| 43.37 | 44.01 | 42.50 | 43.58 | 0.00% | |
| 44.09 | 44.26 | 42.45 | 43.58 | -0.64% | |
| 44.36 | 44.44 | 42.74 | 43.86 | -1.24% | |
| 45.71 | 45.71 | 44.16 | 44.41 | -2.50% | |
| 45.06 | 45.89 | 44.41 | 45.55 | +1.02% | |
| 45.44 | 46.58 | 44.98 | 45.09 | -1.25% | |
| 44.86 | 45.79 | 44.70 | 45.66 | +2.65% | |
| 44.94 | 45.59 | 44.34 | 44.48 | -0.60% | |
| 45.05 | 45.73 | 44.60 | 44.75 | +0.11% | |
| 44.66 | 45.72 | 44.43 | 44.70 | +1.50% | |
| 43.93 | 44.98 | 43.45 | 44.04 | -0.07% | |
| 44.25 | 44.47 | 43.45 | 44.07 | -1.54% | |
| 45.83 | 46.16 | 44.17 | 44.76 | -3.07% | |
| 46.60 | 47.15 | 45.96 | 46.18 | -1.43% | |
| 46.63 | 47.76 | 45.92 | 46.85 | +0.45% | |
| 47.76 | 48.38 | 46.40 | 46.64 | -2.37% | |
| 48.44 | 48.68 | 47.42 | 47.77 | -0.91% | |
| 49.38 | 49.83 | 48.17 | 48.21 | -2.37% | |
| 48.68 | 49.66 | 47.98 | 49.38 | +1.42% | |
| 48.27 | 49.24 | 47.67 | 48.69 | +2.25% | |
| 48.38 | 48.53 | 47.52 | 47.62 | -1.47% | |
| 49.34 | 50.00 | 47.85 | 48.33 | -2.23% | |
| 50.88 | 50.88 | 49.15 | 49.43 | -3.46% | |
| 51.73 | 52.35 | 50.58 | 51.20 | -0.31% | |
| 50.02 | 51.50 | 50.02 | 51.36 | +1.64% | |
| 49.61 | 50.58 | 48.84 | 50.53 | +2.35% | |
| 51.04 | 51.75 | 49.13 | 49.37 | -4.19% | |
| 52.46 | 52.59 | 50.36 | 51.53 | -1.43% | |
| 51.45 | 52.50 | 49.78 | 52.28 | +1.61% | |
| 50.67 | 52.96 | 46.87 | 51.45 | +4.59% | |
| 49.07 | 50.55 | 48.10 | 49.19 | +1.15% | |
| 47.53 | 49.01 | 47.34 | 48.63 | +1.63% | |
| 48.02 | 48.33 | 47.17 | 47.85 | -0.31% | |
| 48.75 | 49.24 | 47.85 | 48.00 | -1.13% | |
| 48.42 | 48.90 | 47.62 | 48.55 | -0.29% | |
| 50.06 | 50.13 | 48.12 | 48.69 | -1.56% | |
| 49.58 | 50.18 | 49.18 | 49.46 | -0.60% | |
| 50.39 | 50.51 | 48.71 | 49.76 | -1.25% | |
| 50.75 | 51.43 | 49.45 | 50.39 | +0.20% | |
| 49.42 | 50.32 | 49.01 | 50.29 | +2.38% | |
| 51.06 | 51.13 | 48.99 | 49.12 | -4.16% | |
| 51.10 | 51.37 | 50.50 | 51.25 | -0.27% | |
| 49.78 | 52.31 | 49.61 | 51.39 | +4.41% | |
| 49.83 | 49.89 | 48.35 | 49.22 | -1.44% | |
| 50.11 | 50.91 | 49.48 | 49.94 | -0.34% | |
| 50.63 | 51.03 | 49.76 | 50.11 | +0.32% | |
| 50.64 | 50.80 | 49.65 | 49.95 | -1.44% | |
| 51.62 | 51.71 | 50.00 | 50.68 | -1.59% | |
| 51.43 | 52.32 | 51.00 | 51.50 | -0.21% | |
| 51.97 | 52.37 | 50.71 | 51.61 | +1.28% | |
| 50.20 | 51.06 | 49.57 | 50.96 | +0.83% | |
| 50.23 | 51.24 | 49.82 | 50.54 | +0.12% | |
| 50.49 | 51.37 | 50.08 | 50.48 | -1.87% | |
| 51.37 | 52.69 | 51.32 | 51.44 | -0.48% | |
| 49.81 | 51.94 | 49.65 | 51.69 | +4.74% | |
| 49.88 | 50.07 | 48.85 | 49.35 | -0.34% | |
| 50.36 | 51.13 | 49.00 | 49.52 | -2.52% | |
| 50.37 | 51.00 | 49.22 | 50.80 | +1.48% | |
| 50.01 | 50.78 | 49.81 | 50.06 | +1.38% | |
| 48.80 | 49.87 | 48.24 | 49.38 | +0.26% | |
| 48.86 | 49.36 | 47.75 | 49.25 | +3.12% | |
| 49.09 | 49.29 | 46.83 | 47.76 | -2.21% | |
| 49.07 | 49.87 | 48.57 | 48.84 | -0.91% | |
| 50.48 | 50.48 | 48.91 | 49.29 | -3.01% | |
| 50.13 | 51.15 | 49.40 | 50.82 | +1.21% | |
| 50.01 | 51.00 | 47.71 | 50.21 | +0.60% | |
| 50.76 | 51.81 | 49.64 | 49.91 | -1.09% | |
| 51.80 | 52.20 | 50.42 | 50.46 | -5.19% | |
| 53.16 | 53.41 | 51.38 | 53.22 | -0.84% | |
| 54.29 | 56.00 | 53.61 | 53.67 | -0.92% | |
| 53.56 | 54.30 | 52.27 | 54.17 | +0.56% | |
| 53.43 | 54.24 | 52.27 | 53.87 | -0.74% | |
| 54.81 | 55.34 | 52.50 | 54.27 | -2.36% | |
| 54.72 | 56.49 | 54.16 | 55.58 | +1.87% | |
| 54.27 | 55.00 | 52.95 | 54.56 | -0.96% | |
| 53.99 | 55.28 | 53.30 | 55.09 | +0.66% | |
| 56.59 | 56.59 | 53.11 | 54.73 | -1.83% | |
| 55.60 | 56.38 | 54.05 | 55.75 | -1.01% | |
| 56.50 | 59.68 | 55.35 | 56.32 | +5.67% | |
| 50.95 | 53.68 | 50.77 | 53.30 | +5.15% | |
| 50.75 | 51.23 | 49.63 | 50.69 | -0.33% | |
| 51.48 | 51.88 | 50.19 | 50.86 | -0.95% | |
| 50.27 | 51.63 | 49.60 | 51.35 | +2.29% | |
| 51.65 | 51.65 | 50.03 | 50.20 | -2.75% | |
| 50.87 | 51.97 | 50.46 | 51.62 | +1.53% | |
| 49.85 | 51.41 | 49.46 | 50.84 | +1.99% | |
| 51.37 | 51.59 | 49.76 | 49.85 | -2.90% | |
| 51.17 | 51.61 | 49.94 | 51.34 | +0.31% | |
| 51.44 | 51.93 | 50.64 | 51.18 | -0.23% | |
| 51.75 | 51.96 | 50.36 | 51.30 | -0.68% | |
| 50.01 | 51.99 | 50.01 | 51.65 | +4.62% | |
| 48.98 | 50.10 | 48.93 | 49.37 | +0.59% | |
| 48.42 | 49.47 | 48.20 | 49.08 | +1.40% | |
| 48.86 | 49.71 | 47.29 | 48.40 | -0.78% | |
| 48.15 | 49.49 | 48.11 | 48.78 | +1.29% | |
| 48.73 | 49.07 | 48.02 | 48.16 | -1.83% | |
| 48.74 | 49.36 | 48.04 | 49.06 | +0.25% | |
| 49.41 | 50.09 | 48.41 | 48.94 | -1.01% | |
| 49.11 | 49.53 | 48.73 | 49.44 | +0.57% | |
| 48.07 | 49.67 | 48.07 | 49.16 | +1.89% | |
| 48.81 | 49.04 | 47.94 | 48.25 | -1.73% | |
| 49.68 | 50.46 | 48.98 | 49.10 | -0.85% | |
| 49.65 | 50.25 | 48.84 | 49.52 | -0.60% | |
| 49.72 | 50.55 | 48.88 | 49.82 | -0.36% | |
| 50.19 | 50.42 | 49.52 | 50.00 | -0.52% | |
| 51.78 | 52.34 | 50.08 | 50.26 | -2.97% | |
| 51.23 | 52.21 | 50.61 | 51.80 | +0.68% | |
| 51.07 | 51.57 | 49.41 | 51.45 | +0.18% | |
| 52.17 | 52.50 | 50.65 | 51.36 | +0.49% | |
| 52.00 | 52.39 | 50.45 | 51.11 | -0.12% | |
| 51.32 | 51.83 | 50.45 | 51.17 | -0.14% | |
| 50.15 | 51.42 | 49.90 | 51.24 | +4.02% | |
| 49.18 | 49.54 | 47.80 | 49.26 | -0.28% | |
| 49.25 | 49.77 | 48.27 | 49.40 | -0.14% | |
| 49.70 | 50.05 | 48.37 | 49.47 | -0.46% | |
| 50.00 | 50.10 | 49.32 | 49.70 | -0.38% | |
| 51.32 | 51.41 | 49.69 | 49.89 | -2.65% | |
| 51.55 | 51.75 | 51.14 | 51.25 | -0.62% | |
| 51.77 | 52.02 | 51.29 | 51.57 | -0.39% | |
| 52.21 | 52.30 | 51.01 | 51.77 | +0.12% | |
| 51.47 | 52.28 | 51.25 | 51.71 | +0.41% | |
| 51.37 | 51.66 | 50.61 | 51.50 | +0.04% | |
| 48.90 | 52.11 | 47.98 | 51.48 | +4.46% | |
| 48.87 | 49.78 | 48.63 | 49.28 | +1.09% | |
| 48.46 | 49.40 | 48.18 | 48.75 | +0.89% | |
| 47.28 | 48.84 | 47.20 | 48.32 | +2.20% | |
| 47.23 | 47.80 | 46.76 | 47.28 | +0.25% | |
| 46.96 | 47.57 | 46.36 | 47.16 | +1.40% | |
| 46.42 | 47.34 | 45.88 | 46.51 | +0.76% | |
| 45.62 | 46.90 | 45.43 | 46.16 | +1.63% | |
| 47.01 | 47.24 | 45.36 | 45.42 | -3.69% | |
| 46.32 | 47.26 | 45.75 | 47.16 | +3.24% | |
| 44.94 | 45.88 | 44.51 | 45.68 | +1.29% | |
| 44.76 | 45.10 | 44.28 | 45.10 | +0.76% | |
| 44.27 | 45.07 | 44.21 | 44.76 | +1.45% | |
| 44.70 | 44.90 | 44.09 | 44.12 | -1.30% | |
| 45.38 | 45.58 | 44.65 | 44.70 | -1.95% | |
| 46.39 | 46.57 | 45.53 | 45.59 | -1.45% | |
| 46.14 | 47.00 | 45.72 | 46.26 | +0.39% | |
| 45.62 | 46.79 | 45.16 | 46.08 | +2.06% | |
| 45.50 | 46.00 | 45.00 | 45.15 | -0.38% | |
| 44.73 | 46.09 | 44.37 | 45.32 | +1.18% | |
| 46.23 | 46.47 | 44.76 | 44.79 | -1.99% | |
| 44.69 | 46.00 | 44.52 | 45.70 | +1.78% | |
| 45.11 | 45.73 | 44.05 | 44.90 | -0.42% | |
| 45.30 | 45.96 | 44.70 | 45.09 | +0.20% | |
| 44.48 | 45.58 | 44.22 | 45.00 | +1.26% | |
| 44.61 | 45.70 | 44.23 | 44.44 | -0.40% | |
| 46.06 | 46.26 | 44.12 | 44.62 | -3.23% | |
| 45.40 | 46.59 | 44.47 | 46.11 | +1.56% | |
| 46.08 | 46.53 | 44.51 | 45.40 | -1.35% | |
| 46.77 | 47.49 | 45.82 | 46.02 | -2.64% | |
| 47.08 | 47.69 | 45.63 | 47.27 | +0.34% | |
| 44.70 | 51.52 | 43.11 | 47.11 | -17.35% | |
| 55.43 | 57.40 | 54.61 | 57.00 | +2.33% | |
| 55.28 | 56.17 | 54.27 | 55.70 | +1.03% | |
| 56.33 | 57.33 | 54.21 | 55.13 | -2.42% | |
| 55.61 | 57.65 | 55.02 | 56.50 | +1.47% | |
| 54.90 | 55.95 | 53.16 | 55.68 | +4.72% | |
| 52.72 | 53.38 | 51.84 | 53.17 | +0.85% | |
| 54.00 | 54.79 | 52.61 | 52.72 | -0.21% | |
| 52.30 | 53.28 | 52.30 | 52.83 | +1.56% | |
| 51.07 | 53.04 | 50.70 | 52.02 | +2.66% | |
| 50.72 | 51.47 | 49.95 | 50.67 | 0.00% | |
| 51.43 | 51.60 | 50.33 | 50.67 | -1.78% | |
| 50.44 | 52.15 | 50.11 | 51.59 | +2.83% | |
| 49.69 | 50.85 | 49.44 | 50.17 | +0.82% | |
| 49.22 | 49.77 | 48.97 | 49.76 | +0.99% | |
| 49.16 | 49.67 | 48.82 | 49.27 | +0.10% | |
| 48.31 | 49.48 | 47.98 | 49.22 | +1.74% | |
| 49.19 | 49.35 | 48.19 | 48.38 | -1.27% | |
| 49.39 | 49.82 | 48.27 | 49.00 | -1.03% | |
| 51.08 | 51.78 | 49.35 | 49.51 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the SUPN chart for longer ranges.