Mercury Systems Stock Price History
NASDAQ: MRCYIndustrialsAerospace & DefenseUSD
79.49+0.97 (+1.24%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
MRCY price history at a glance
The price history for Mercury Systems (MRCY) on this page begins on January 26, 1998, when the stock closed at $5.25; it most recently closed at $79.49 on October 5, 2026. The highest price in this record is $128.45, reached on July 6, 2026; the latest close is 38.1% below that peak. Across the 27 complete calendar years in the table, MRCY finished higher in 15 and lower in 12. Its best year was 1999 (+148.9%) and its worst was 2008 (-54.3%).
Over roughly 29 years the share price changed +1414.1%, a 9.9% compound annual price return (excluding dividends). In the last 12 months alone, MRCY has gained 8.0%. 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 1998
- $128.45
- Date of high
- Jul 6, 2026
- Low since 1998
- $2.21
- Date of low
- Dec 1, 2008
- 52-week high
- $128.45
- 52-week low
- $65.04
- IPO year
- 1998
- Last close
- $79.49
MRCY returns
1 week
-6.34%
1 month
-1.57%
3 months
-26.38%
6 months
-0.14%
Year to date
+8.88%
1 year
+8.03%
3 years
+105.77%
5 years
+58.69%
MRCY price return, excluding dividends.
MRCY annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 79.49 | +4.55% |
| 2025 | 76.03 | +78.22% |
| 2024 | 42.66 | +16.65% |
| 2023 | 36.57 | -18.26% |
| 2022 | 44.74 | -18.74% |
| 2021 | 55.06 | -37.47% |
| 2020 | 88.06 | +21.16% |
| 2019 | 72.68 | +60.09% |
| 2018 | 45.40 | -11.59% |
| 2017 | 51.35 | +69.92% |
| 2016 | 30.22 | +64.60% |
| 2015 | 18.36 | +36.10% |
| 2014 | 13.49 | +22.86% |
| 2013 | 10.98 | +28.27% |
| 2012 | 8.56 | -35.59% |
| 2011 | 13.29 | -27.69% |
| 2010 | 18.38 | +66.94% |
| 2009 | 11.01 | +65.56% |
| 2008 | 6.65 | -54.33% |
| 2007 | 14.56 | +8.98% |
| 2006 | 13.36 | -35.24% |
| 2005 | 20.63 | -30.49% |
| 2004 | 29.68 | +16.67% |
| 2003 | 25.44 | -19.39% |
| 2002 | 31.56 | -10.21% |
| 2001 | 35.15 | -24.31% |
| 2000 | 46.44 | +32.68% |
| 1999 | 35.00 | +148.89% |
| 1998* | 14.06 | +167.86% |
* Partial year: the record begins after the start of 1998; return measured from the first available close.
2026 return is year to date.
MRCY daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 79.01 | 79.64 | 78.14 | 79.49 | +1.24% | |
| 78.75 | 79.93 | 77.44 | 78.52 | -1.54% | |
| 80.97 | 81.52 | 78.87 | 79.75 | -3.68% | |
| 83.80 | 84.14 | 81.25 | 82.80 | -0.17% | |
| 84.66 | 85.00 | 82.64 | 82.94 | -2.27% | |
| 86.52 | 86.73 | 84.06 | 84.87 | +0.95% | |
| 83.40 | 84.39 | 81.05 | 84.07 | +1.29% | |
| 83.91 | 84.67 | 81.59 | 83.00 | +0.44% | |
| 80.54 | 82.90 | 78.61 | 82.64 | +3.15% | |
| 80.95 | 81.37 | 79.61 | 80.12 | -2.51% | |
| 83.79 | 84.34 | 81.78 | 82.18 | -1.20% | |
| 81.86 | 83.58 | 80.99 | 83.18 | +0.56% | |
| 83.03 | 83.94 | 81.91 | 82.72 | -1.38% | |
| 86.75 | 86.75 | 82.50 | 83.88 | -2.07% | |
| 86.52 | 87.23 | 85.12 | 85.65 | +0.43% | |
| 86.98 | 86.98 | 84.37 | 85.28 | -1.04% | |
| 89.27 | 90.06 | 85.45 | 86.18 | -1.23% | |
| 87.52 | 87.52 | 85.18 | 87.25 | +0.28% | |
| 81.99 | 87.61 | 80.62 | 87.01 | +7.38% | |
| 78.47 | 82.58 | 78.47 | 81.03 | +0.52% | |
| 81.64 | 82.78 | 79.98 | 80.61 | +0.22% | |
| 80.25 | 81.88 | 79.58 | 80.43 | -0.41% | |
| 83.26 | 84.00 | 79.80 | 80.76 | -3.24% | |
| 82.99 | 85.77 | 81.21 | 83.46 | +1.26% | |
| 84.40 | 85.62 | 81.71 | 82.42 | -2.70% | |
| 83.75 | 85.35 | 81.60 | 84.71 | +2.59% | |
| 82.80 | 82.80 | 80.96 | 82.57 | -0.28% | |
| 86.53 | 88.46 | 82.58 | 82.80 | -5.19% | |
| 88.98 | 89.02 | 86.16 | 87.33 | -1.37% | |
| 90.62 | 90.70 | 87.97 | 88.54 | -2.13% | |
| 90.28 | 91.00 | 88.80 | 90.47 | +0.79% | |
| 87.74 | 90.28 | 87.00 | 89.76 | +2.30% | |
| 90.99 | 91.12 | 86.26 | 87.74 | -2.06% | |
| 90.86 | 92.77 | 88.84 | 89.59 | -1.94% | |
| 95.23 | 96.03 | 91.25 | 91.36 | -3.05% | |
| 99.90 | 99.90 | 92.82 | 94.23 | -6.93% | |
| 104.67 | 108.56 | 97.39 | 101.25 | -3.57% | |
| 111.71 | 113.87 | 103.70 | 105.00 | -7.37% | |
| 110.31 | 115.38 | 108.31 | 113.36 | +2.02% | |
| 110.17 | 112.07 | 108.49 | 111.12 | +1.21% | |
| 111.08 | 112.87 | 108.12 | 109.79 | -1.66% | |
| 111.95 | 112.67 | 109.16 | 111.64 | +2.28% | |
| 108.48 | 109.97 | 106.80 | 109.15 | +0.47% | |
| 109.55 | 110.54 | 107.70 | 108.64 | 0.00% | |
| 109.48 | 110.17 | 106.20 | 108.64 | -0.17% | |
| 107.36 | 112.36 | 107.36 | 108.83 | +1.29% | |
| 113.36 | 115.34 | 107.33 | 107.44 | -4.75% | |
| 109.04 | 113.58 | 109.00 | 112.80 | +6.63% | |
| 100.22 | 106.66 | 99.49 | 105.79 | +8.95% | |
| 97.76 | 100.03 | 94.56 | 97.10 | +1.18% | |
| 91.00 | 96.81 | 90.07 | 95.97 | +6.43% | |
| 99.44 | 100.72 | 89.92 | 90.17 | -9.27% | |
| 103.45 | 103.69 | 97.80 | 99.38 | -4.26% | |
| 104.22 | 106.53 | 101.57 | 103.80 | +0.51% | |
| 106.34 | 108.33 | 102.98 | 103.27 | -2.89% | |
| 98.85 | 107.20 | 98.61 | 106.34 | +7.50% | |
| 98.09 | 100.67 | 97.27 | 98.92 | +0.28% | |
| 95.52 | 99.77 | 95.26 | 98.64 | +4.13% | |
| 96.69 | 98.06 | 94.65 | 94.73 | -1.41% | |
| 93.12 | 99.16 | 92.34 | 96.08 | +0.08% | |
| 100.61 | 101.27 | 95.67 | 96.00 | -6.77% | |
| 102.15 | 105.03 | 100.88 | 102.97 | +2.64% | |
| 99.24 | 105.57 | 99.24 | 100.32 | +2.10% | |
| 105.98 | 106.44 | 96.50 | 98.26 | -9.00% | |
| 114.83 | 114.83 | 107.86 | 107.98 | -5.49% | |
| 114.51 | 115.54 | 113.46 | 114.25 | +1.64% | |
| 112.92 | 114.59 | 109.59 | 112.41 | -2.95% | |
| 122.11 | 123.31 | 114.34 | 115.83 | -5.88% | |
| 126.22 | 128.45 | 121.76 | 123.07 | -2.49% | |
| 124.67 | 127.81 | 122.63 | 126.21 | +2.57% | |
| 121.51 | 127.83 | 121.09 | 123.05 | +0.59% | |
| 111.57 | 122.64 | 110.36 | 122.33 | +10.99% | |
| 108.98 | 111.99 | 107.25 | 110.22 | +0.77% | |
| 105.37 | 110.53 | 102.95 | 109.38 | +3.61% | |
| 106.20 | 108.85 | 104.00 | 105.57 | +0.54% | |
| 110.87 | 110.98 | 104.52 | 105.00 | -5.29% | |
| 110.00 | 113.86 | 109.07 | 110.87 | -0.80% | |
| 115.00 | 116.25 | 110.08 | 111.76 | -1.89% | |
| 118.06 | 119.90 | 112.60 | 113.91 | -1.38% | |
| 111.69 | 116.18 | 109.16 | 115.50 | +2.72% | |
| 114.84 | 116.56 | 111.71 | 112.44 | -3.01% | |
| 121.01 | 122.17 | 115.47 | 115.93 | -3.63% | |
| 119.76 | 121.37 | 115.07 | 120.30 | +0.82% | |
| 108.89 | 119.87 | 108.76 | 119.32 | +11.71% | |
| 108.00 | 111.24 | 105.87 | 106.81 | -1.85% | |
| 111.71 | 114.54 | 102.32 | 108.82 | -1.91% | |
| 113.22 | 115.00 | 109.28 | 110.94 | -0.30% | |
| 117.37 | 117.37 | 108.45 | 111.27 | -5.56% | |
| 110.79 | 118.57 | 108.97 | 117.82 | +5.58% | |
| 111.75 | 113.35 | 108.23 | 111.59 | -1.13% | |
| 111.18 | 114.98 | 110.03 | 112.87 | +1.43% | |
| 112.64 | 112.89 | 107.64 | 111.28 | -0.38% | |
| 107.41 | 113.47 | 106.40 | 111.70 | +3.32% | |
| 97.73 | 108.40 | 97.56 | 108.11 | +11.33% | |
| 100.81 | 100.81 | 96.82 | 97.11 | -2.23% | |
| 100.00 | 101.69 | 97.99 | 99.32 | +0.78% | |
| 97.81 | 98.75 | 96.06 | 98.55 | +2.27% | |
| 93.54 | 96.65 | 91.92 | 96.36 | +1.63% | |
| 93.87 | 96.49 | 92.31 | 94.81 | +2.17% | |
| 92.56 | 94.67 | 90.28 | 92.80 | -0.63% | |
| 93.17 | 93.80 | 91.69 | 93.39 | +1.48% | |
| 92.86 | 94.00 | 90.81 | 92.03 | -2.67% | |
| 92.87 | 94.66 | 91.39 | 94.55 | +2.22% | |
| 91.79 | 92.64 | 88.12 | 92.50 | +0.19% | |
| 91.10 | 92.57 | 87.93 | 92.32 | +0.40% | |
| 90.46 | 92.81 | 89.12 | 91.95 | +1.78% | |
| 89.29 | 91.97 | 88.70 | 90.34 | +2.59% | |
| 92.99 | 92.99 | 86.38 | 88.06 | -3.93% | |
| 88.03 | 91.92 | 80.78 | 91.66 | +10.49% | |
| 79.95 | 84.49 | 78.68 | 82.96 | +5.64% | |
| 78.49 | 79.97 | 77.64 | 78.53 | -0.03% | |
| 79.73 | 79.73 | 76.91 | 78.55 | -0.46% | |
| 74.94 | 79.30 | 74.94 | 78.91 | +5.57% | |
| 76.56 | 77.42 | 73.47 | 74.75 | -2.33% | |
| 77.55 | 77.68 | 74.74 | 76.53 | -0.69% | |
| 78.14 | 79.37 | 76.97 | 77.06 | -1.19% | |
| 78.23 | 78.47 | 75.55 | 77.99 | -1.17% | |
| 82.81 | 83.28 | 76.32 | 78.91 | -4.48% | |
| 85.18 | 85.46 | 81.55 | 82.61 | -0.90% | |
| 84.40 | 86.10 | 82.77 | 83.36 | -0.90% | |
| 83.87 | 85.05 | 82.40 | 84.12 | +0.08% | |
| 86.75 | 88.06 | 83.56 | 84.05 | -1.01% | |
| 85.64 | 86.17 | 83.40 | 84.91 | -0.70% | |
| 84.78 | 85.73 | 83.30 | 85.51 | +1.69% | |
| 83.71 | 84.51 | 83.09 | 84.09 | +1.90% | |
| 79.41 | 82.87 | 79.41 | 82.52 | +3.67% | |
| 79.23 | 80.70 | 78.25 | 79.60 | +0.47% | |
| 79.60 | 81.84 | 79.04 | 79.23 | -1.96% | |
| 80.39 | 82.77 | 79.08 | 80.81 | +4.23% | |
| 75.07 | 77.77 | 74.23 | 77.53 | +2.34% | |
| 74.55 | 76.61 | 74.55 | 75.76 | +2.07% | |
| 72.77 | 75.87 | 71.40 | 74.22 | -0.71% | |
| 74.94 | 75.80 | 74.21 | 74.75 | +2.52% | |
| 70.94 | 75.00 | 69.63 | 72.91 | +4.37% | |
| 72.54 | 72.54 | 69.06 | 69.86 | -2.16% | |
| 75.13 | 76.16 | 70.52 | 71.40 | -6.25% | |
| 77.04 | 78.93 | 75.91 | 76.16 | -3.24% | |
| 76.05 | 79.29 | 75.45 | 78.71 | +5.67% | |
| 77.22 | 77.95 | 74.04 | 74.49 | -4.85% | |
| 79.10 | 81.26 | 78.19 | 78.29 | +1.33% | |
| 78.44 | 78.74 | 75.10 | 77.26 | -0.71% | |
| 77.71 | 79.34 | 75.00 | 77.81 | -1.47% | |
| 80.75 | 81.75 | 78.79 | 78.97 | -2.93% | |
| 81.26 | 83.23 | 79.91 | 81.35 | +0.79% | |
| 79.11 | 83.26 | 79.11 | 80.71 | +3.26% | |
| 82.94 | 83.37 | 77.92 | 78.16 | -4.03% | |
| 85.20 | 85.20 | 81.40 | 81.44 | -5.30% | |
| 85.84 | 88.60 | 84.84 | 86.00 | -1.00% | |
| 88.86 | 89.97 | 85.42 | 86.87 | -2.79% | |
| 86.48 | 89.58 | 84.95 | 89.36 | +3.40% | |
| 82.96 | 88.72 | 81.41 | 86.42 | +1.72% | |
| 87.57 | 88.70 | 83.51 | 84.96 | -4.73% | |
| 90.91 | 91.99 | 89.01 | 89.18 | -0.28% | |
| 89.01 | 91.34 | 86.25 | 89.43 | -1.74% | |
| 92.95 | 96.91 | 90.99 | 91.01 | +2.22% | |
| 87.13 | 89.52 | 86.78 | 89.03 | -0.61% | |
| 89.65 | 90.63 | 86.70 | 89.58 | +0.31% | |
| 90.33 | 90.78 | 88.09 | 89.30 | +0.61% | |
| 85.37 | 89.36 | 83.57 | 88.76 | +3.33% | |
| 87.00 | 88.35 | 85.36 | 85.90 | -1.97% | |
| 89.74 | 90.39 | 87.59 | 87.63 | -2.48% | |
| 86.69 | 90.07 | 86.43 | 89.86 | +3.69% | |
| 84.05 | 88.53 | 83.58 | 86.66 | +4.01% | |
| 81.17 | 84.75 | 80.44 | 83.32 | +1.17% | |
| 80.44 | 84.58 | 79.72 | 82.36 | +2.63% | |
| 80.69 | 81.34 | 78.97 | 80.25 | -0.10% | |
| 86.10 | 86.61 | 78.89 | 80.33 | -4.78% | |
| 85.51 | 85.85 | 81.99 | 84.36 | -1.18% | |
| 81.57 | 86.13 | 81.21 | 85.37 | +3.86% | |
| 81.10 | 83.28 | 79.20 | 82.20 | +3.96% | |
| 75.15 | 80.65 | 74.01 | 79.07 | +2.53% | |
| 86.94 | 89.57 | 74.81 | 77.12 | -22.32% | |
| 95.76 | 100.00 | 94.91 | 99.28 | +5.74% | |
| 93.09 | 94.86 | 91.99 | 93.89 | +0.01% | |
| 96.76 | 98.99 | 92.79 | 93.88 | -4.49% | |
| 99.50 | 101.53 | 96.57 | 98.29 | -1.73% | |
| 101.21 | 101.21 | 98.35 | 100.02 | -1.01% | |
| 99.11 | 101.89 | 99.06 | 101.04 | +2.17% | |
| 99.05 | 99.05 | 97.32 | 98.89 | -0.16% | |
| 99.41 | 100.46 | 97.64 | 99.05 | -0.43% | |
| 99.71 | 101.67 | 98.46 | 99.48 | -0.09% | |
| 97.49 | 99.81 | 95.50 | 99.57 | +2.54% | |
| 101.35 | 103.77 | 96.92 | 97.10 | -5.75% | |
| 103.55 | 103.84 | 101.54 | 103.02 | +0.07% | |
| 99.05 | 103.07 | 97.24 | 102.95 | +4.39% | |
| 97.50 | 99.21 | 93.97 | 98.62 | -0.52% | |
| 98.00 | 99.38 | 97.02 | 99.14 | +2.19% | |
| 93.93 | 97.05 | 93.59 | 97.02 | +3.79% | |
| 89.41 | 93.74 | 88.53 | 93.48 | +5.34% | |
| 87.26 | 91.98 | 87.13 | 88.74 | +4.65% | |
| 84.25 | 86.27 | 83.00 | 84.80 | +0.65% | |
| 81.29 | 84.33 | 80.46 | 84.25 | +3.64% | |
| 77.52 | 81.63 | 76.99 | 81.29 | +6.92% | |
| 73.51 | 76.08 | 72.67 | 76.03 | +4.14% | |
| 74.27 | 74.27 | 72.70 | 73.01 | -1.14% | |
| 75.24 | 76.50 | 73.11 | 73.85 | -1.44% | |
| 73.21 | 75.41 | 73.14 | 74.93 | +0.96% | |
| 74.65 | 74.97 | 72.99 | 74.22 | -0.64% | |
| 74.49 | 75.03 | 74.02 | 74.70 | -0.49% | |
| 73.15 | 75.78 | 73.15 | 75.07 | +2.12% | |
| 70.58 | 73.70 | 69.66 | 73.51 | +5.54% | |
| 68.84 | 70.13 | 68.84 | 69.65 | +1.12% | |
| 70.56 | 71.12 | 68.81 | 68.88 | -1.08% | |
| 71.80 | 73.01 | 69.09 | 69.63 | -3.02% | |
| 73.61 | 73.78 | 71.17 | 71.80 | -3.61% | |
| 75.13 | 75.37 | 74.08 | 74.49 | 0.00% | |
| 76.88 | 77.19 | 74.24 | 74.49 | -2.77% | |
| 75.45 | 77.56 | 74.12 | 76.61 | +1.89% | |
| 71.30 | 76.04 | 71.18 | 75.19 | +4.63% | |
| 72.08 | 74.19 | 71.05 | 71.86 | -0.11% | |
| 71.31 | 72.26 | 70.35 | 71.94 | +1.93% | |
| 71.30 | 71.75 | 69.43 | 70.58 | -1.08% | |
| 70.44 | 72.22 | 70.31 | 71.35 | +1.59% | |
| 67.76 | 70.59 | 67.24 | 70.23 | +3.75% | |
| 67.79 | 68.11 | 67.07 | 67.69 | +1.33% | |
| 69.05 | 69.57 | 66.58 | 66.80 | -4.42% | |
| 69.99 | 70.60 | 68.68 | 69.89 | +0.39% | |
| 69.05 | 70.40 | 69.05 | 69.62 | +0.83% | |
| 67.37 | 70.89 | 66.35 | 69.05 | +3.57% | |
| 66.68 | 67.34 | 65.80 | 66.67 | -0.01% | |
| 66.05 | 67.48 | 65.04 | 66.68 | +0.85% | |
| 69.55 | 70.80 | 65.98 | 66.12 | -2.12% | |
| 67.87 | 69.13 | 67.50 | 67.55 | -0.57% | |
| 68.11 | 69.49 | 67.21 | 67.94 | -0.60% | |
| 70.89 | 71.00 | 67.47 | 68.35 | -3.53% | |
| 70.00 | 71.86 | 69.39 | 70.85 | -0.58% | |
| 73.02 | 73.69 | 70.46 | 71.26 | -2.52% | |
| 73.17 | 74.00 | 72.57 | 73.10 | +0.49% | |
| 74.35 | 74.79 | 71.84 | 72.74 | -2.56% | |
| 75.43 | 76.52 | 74.54 | 74.65 | +0.78% | |
| 74.05 | 74.96 | 72.05 | 74.07 | -1.71% | |
| 78.36 | 79.03 | 74.66 | 75.36 | -3.62% | |
| 74.92 | 79.92 | 74.07 | 78.19 | +3.28% | |
| 76.03 | 76.89 | 74.56 | 75.71 | -2.66% | |
| 77.41 | 78.41 | 75.62 | 77.78 | +0.48% | |
| 77.19 | 79.49 | 76.68 | 77.41 | +0.79% | |
| 76.91 | 78.00 | 76.05 | 76.80 | -0.83% | |
| 77.49 | 78.59 | 76.33 | 77.44 | -0.21% | |
| 78.69 | 79.01 | 77.59 | 77.60 | -1.21% | |
| 80.10 | 80.89 | 78.04 | 78.55 | -1.10% | |
| 79.31 | 79.71 | 78.01 | 79.42 | +2.35% | |
| 75.84 | 78.03 | 75.84 | 77.60 | +2.73% | |
| 78.11 | 78.51 | 75.02 | 75.54 | -4.15% | |
| 77.16 | 78.98 | 76.28 | 78.81 | +2.30% | |
| 77.28 | 78.25 | 76.30 | 77.04 | +1.99% | |
| 76.10 | 77.21 | 74.48 | 75.54 | -2.02% | |
| 78.56 | 79.33 | 76.87 | 77.10 | -1.34% | |
| 77.36 | 78.30 | 76.47 | 78.15 | +0.50% | |
| 75.18 | 78.34 | 74.49 | 77.76 | +1.40% | |
| 75.81 | 76.75 | 73.86 | 76.69 | +4.23% | |
| 80.27 | 80.38 | 73.45 | 73.58 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the MRCY chart for longer ranges.