Acacia Research (Acacia Tech) Stock Price History
NASDAQ: ACTGMiscellaneousMulti-Sector CompaniesUSD
4.32-0.07 (-1.59%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ACTG price history at a glance
The price history for Acacia Research (Acacia Tech) (ACTG) on this page begins on December 16, 2002, when the stock closed at $1.91; it most recently closed at $4.32 on October 5, 2026. The highest price in this record is $47.24, reached on September 19, 2011; the latest close is 90.9% below that peak. Across the 23 complete calendar years in the table, ACTG finished higher in 11 and lower in 12. Its best year was 2010 (+184.7%) and its worst was 2015 (-74.3%).
Over roughly 24 years the share price changed +126.2%, a 3.5% compound annual price return (excluding dividends). In the last 12 months alone, ACTG has gained 25.6%. 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 2002
- $47.24
- Date of high
- Sep 19, 2011
- Low since 2002
- $0.96
- Date of low
- Mar 10, 2003
- 52-week high
- $5.27
- 52-week low
- $3.24
- Last close
- $4.32
ACTG returns
1 week
-0.46%
1 month
-5.26%
3 months
-2.26%
6 months
-11.84%
Year to date
+15.51%
1 year
+25.58%
3 years
+21.01%
5 years
-21.31%
ACTG price return, excluding dividends.
ACTG annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 4.32 | +15.51% |
| 2025 | 3.74 | -13.43% |
| 2024 | 4.32 | +10.20% |
| 2023 | 3.92 | -6.89% |
| 2022 | 4.21 | -17.93% |
| 2021 | 5.13 | +30.20% |
| 2020 | 3.94 | +50.38% |
| 2019 | 2.62 | -12.37% |
| 2018 | 2.99 | -26.17% |
| 2017 | 4.05 | -37.69% |
| 2016 | 6.50 | +51.52% |
| 2015 | 4.29 | -74.34% |
| 2014 | 16.72 | +15.47% |
| 2013 | 14.48 | -45.50% |
| 2012 | 26.57 | -27.23% |
| 2011 | 36.51 | +40.75% |
| 2010 | 25.94 | +184.74% |
| 2009 | 9.11 | +160.29% |
| 2008 | 3.50 | -57.83% |
| 2007 | 8.30 | -37.97% |
| 2006 | 13.38 | +93.91% |
| 2005 | 6.90 | +30.19% |
| 2004 | 5.30 | -3.46% |
| 2003 | 5.49 | +161.43% |
| 2002* | 2.10 | +9.95% |
* Partial year: the record begins after the start of 2002; return measured from the first available close.
2026 return is year to date.
ACTG daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 4.39 | 4.39 | 4.31 | 4.32 | -1.59% | |
| 4.32 | 4.40 | 4.31 | 4.39 | +0.69% | |
| 4.35 | 4.37 | 4.30 | 4.36 | -0.23% | |
| 4.30 | 4.38 | 4.24 | 4.37 | +1.63% | |
| 4.34 | 4.35 | 4.29 | 4.30 | -0.92% | |
| 4.37 | 4.38 | 4.32 | 4.34 | -0.46% | |
| 4.30 | 4.36 | 4.25 | 4.36 | +1.16% | |
| 4.34 | 4.38 | 4.30 | 4.31 | -0.46% | |
| 4.29 | 4.34 | 4.28 | 4.33 | +0.70% | |
| 4.34 | 4.34 | 4.26 | 4.30 | +0.70% | |
| 4.30 | 4.43 | 4.27 | 4.27 | -0.93% | |
| 4.32 | 4.34 | 4.26 | 4.31 | -0.23% | |
| 4.34 | 4.39 | 4.23 | 4.32 | -0.46% | |
| 4.38 | 4.42 | 4.30 | 4.34 | -0.46% | |
| 4.50 | 4.50 | 4.35 | 4.36 | -3.33% | |
| 4.53 | 4.53 | 4.39 | 4.51 | -0.44% | |
| 4.56 | 4.57 | 4.52 | 4.53 | -0.22% | |
| 4.57 | 4.61 | 4.52 | 4.54 | -0.44% | |
| 4.56 | 4.60 | 4.47 | 4.56 | +1.79% | |
| 4.56 | 4.61 | 4.47 | 4.48 | -1.97% | |
| 4.61 | 4.61 | 4.55 | 4.57 | 0.00% | |
| 4.55 | 4.60 | 4.55 | 4.57 | +0.22% | |
| 4.53 | 4.60 | 4.53 | 4.56 | 0.00% | |
| 4.55 | 4.59 | 4.51 | 4.56 | +0.44% | |
| 4.51 | 4.55 | 4.50 | 4.54 | +0.67% | |
| 4.61 | 4.67 | 4.49 | 4.51 | -2.59% | |
| 4.54 | 4.65 | 4.54 | 4.63 | +2.43% | |
| 4.41 | 4.56 | 4.39 | 4.52 | +1.80% | |
| 4.49 | 4.51 | 4.38 | 4.44 | -0.67% | |
| 4.51 | 4.51 | 4.47 | 4.47 | -0.45% | |
| 4.48 | 4.51 | 4.46 | 4.49 | 0.00% | |
| 4.50 | 4.52 | 4.47 | 4.49 | -0.22% | |
| 4.51 | 4.55 | 4.50 | 4.50 | -0.22% | |
| 4.50 | 4.57 | 4.48 | 4.51 | 0.00% | |
| 4.52 | 4.56 | 4.47 | 4.51 | 0.00% | |
| 4.52 | 4.55 | 4.50 | 4.51 | -0.88% | |
| 4.69 | 4.72 | 4.54 | 4.55 | -2.57% | |
| 4.66 | 4.75 | 4.60 | 4.67 | -0.21% | |
| 4.57 | 4.69 | 4.51 | 4.68 | +1.96% | |
| 4.60 | 4.64 | 4.51 | 4.59 | -0.22% | |
| 4.66 | 4.69 | 4.57 | 4.60 | -1.29% | |
| 4.62 | 4.69 | 4.59 | 4.66 | +0.87% | |
| 4.75 | 4.80 | 4.58 | 4.62 | -3.14% | |
| 4.83 | 4.88 | 4.71 | 4.77 | -1.04% | |
| 4.72 | 4.83 | 4.63 | 4.82 | +3.21% | |
| 4.55 | 4.83 | 4.55 | 4.67 | +2.86% | |
| 4.98 | 4.99 | 4.50 | 4.54 | -1.52% | |
| 4.62 | 4.73 | 4.57 | 4.61 | -0.43% | |
| 4.44 | 4.65 | 4.44 | 4.63 | +4.51% | |
| 4.45 | 4.47 | 4.37 | 4.43 | +0.45% | |
| 4.51 | 4.52 | 4.41 | 4.41 | -2.43% | |
| 4.64 | 4.71 | 4.48 | 4.52 | -2.38% | |
| 4.66 | 4.72 | 4.62 | 4.63 | 0.00% | |
| 4.67 | 4.73 | 4.58 | 4.63 | -0.64% | |
| 4.65 | 4.69 | 4.62 | 4.66 | +0.87% | |
| 4.52 | 4.65 | 4.52 | 4.62 | +1.09% | |
| 4.59 | 4.64 | 4.54 | 4.57 | -0.65% | |
| 4.54 | 4.83 | 4.54 | 4.60 | +1.32% | |
| 4.53 | 4.56 | 4.47 | 4.54 | 0.00% | |
| 4.44 | 4.55 | 4.44 | 4.54 | +1.57% | |
| 4.45 | 4.50 | 4.42 | 4.47 | +0.45% | |
| 4.39 | 4.45 | 4.37 | 4.45 | +1.83% | |
| 4.53 | 4.53 | 4.37 | 4.37 | -0.91% | |
| 4.42 | 4.44 | 4.37 | 4.41 | -0.23% | |
| 4.33 | 4.45 | 4.29 | 4.42 | +0.91% | |
| 4.44 | 4.51 | 4.32 | 4.38 | -1.79% | |
| 4.45 | 4.57 | 4.42 | 4.46 | +0.22% | |
| 4.53 | 4.56 | 4.38 | 4.45 | -1.11% | |
| 4.53 | 4.55 | 4.48 | 4.50 | -0.88% | |
| 4.70 | 4.76 | 4.54 | 4.54 | -3.40% | |
| 4.67 | 4.75 | 4.63 | 4.70 | +0.86% | |
| 4.66 | 4.71 | 4.63 | 4.66 | 0.00% | |
| 4.69 | 4.72 | 4.62 | 4.66 | -0.64% | |
| 4.71 | 4.77 | 4.66 | 4.69 | -0.21% | |
| 4.70 | 4.75 | 4.69 | 4.70 | 0.00% | |
| 4.78 | 4.85 | 4.69 | 4.70 | -1.88% | |
| 4.74 | 4.92 | 4.73 | 4.79 | +1.05% | |
| 4.85 | 4.87 | 4.74 | 4.74 | -2.47% | |
| 4.75 | 4.87 | 4.73 | 4.86 | +3.18% | |
| 4.67 | 4.74 | 4.64 | 4.71 | +0.64% | |
| 4.71 | 4.84 | 4.68 | 4.68 | -0.43% | |
| 4.70 | 4.71 | 4.64 | 4.70 | +0.43% | |
| 4.67 | 4.70 | 4.64 | 4.68 | +0.43% | |
| 4.71 | 4.74 | 4.63 | 4.66 | 0.00% | |
| 4.74 | 4.81 | 4.66 | 4.66 | -1.48% | |
| 4.65 | 4.77 | 4.65 | 4.73 | +1.94% | |
| 4.62 | 4.73 | 4.62 | 4.64 | +0.43% | |
| 4.69 | 4.72 | 4.58 | 4.62 | -1.70% | |
| 4.65 | 4.75 | 4.62 | 4.70 | +1.29% | |
| 4.75 | 4.75 | 4.62 | 4.64 | -1.90% | |
| 4.61 | 4.78 | 4.60 | 4.73 | +2.16% | |
| 4.62 | 4.69 | 4.59 | 4.63 | -0.43% | |
| 4.69 | 4.69 | 4.62 | 4.65 | -1.06% | |
| 4.66 | 4.76 | 4.64 | 4.70 | +0.64% | |
| 4.65 | 4.73 | 4.64 | 4.67 | +0.43% | |
| 4.66 | 4.69 | 4.58 | 4.65 | -0.21% | |
| 4.60 | 4.67 | 4.57 | 4.66 | +1.75% | |
| 4.57 | 4.60 | 4.51 | 4.58 | -0.22% | |
| 4.57 | 4.65 | 4.56 | 4.59 | 0.00% | |
| 4.60 | 4.64 | 4.58 | 4.59 | -1.08% | |
| 4.58 | 4.72 | 4.56 | 4.64 | +1.31% | |
| 4.65 | 4.65 | 4.52 | 4.58 | -1.93% | |
| 4.72 | 4.75 | 4.64 | 4.67 | -1.06% | |
| 4.67 | 4.74 | 4.66 | 4.72 | +0.64% | |
| 4.62 | 4.70 | 4.61 | 4.69 | +1.08% | |
| 4.63 | 4.78 | 4.53 | 4.64 | -0.43% | |
| 4.70 | 4.76 | 4.57 | 4.66 | -1.06% | |
| 4.83 | 4.88 | 4.51 | 4.71 | -7.10% | |
| 5.14 | 5.14 | 5.06 | 5.07 | -0.98% | |
| 5.19 | 5.22 | 5.12 | 5.12 | -0.78% | |
| 5.13 | 5.27 | 5.11 | 5.16 | +0.58% | |
| 5.08 | 5.14 | 5.05 | 5.13 | +0.98% | |
| 4.94 | 5.11 | 4.91 | 5.08 | +2.42% | |
| 4.91 | 5.00 | 4.90 | 4.96 | +0.20% | |
| 4.94 | 4.98 | 4.92 | 4.95 | +0.41% | |
| 4.85 | 4.97 | 4.85 | 4.93 | +1.44% | |
| 4.81 | 4.89 | 4.73 | 4.86 | +0.62% | |
| 4.99 | 5.01 | 4.78 | 4.83 | -2.82% | |
| 4.94 | 4.98 | 4.93 | 4.97 | +0.61% | |
| 4.98 | 5.04 | 4.91 | 4.94 | -0.60% | |
| 5.01 | 5.10 | 4.97 | 4.97 | -1.00% | |
| 5.04 | 5.05 | 4.93 | 5.02 | +0.60% | |
| 4.92 | 5.02 | 4.89 | 4.99 | +1.22% | |
| 4.91 | 5.05 | 4.88 | 4.93 | -0.40% | |
| 5.00 | 5.08 | 4.93 | 4.95 | -1.00% | |
| 4.86 | 5.06 | 4.83 | 5.00 | +2.04% | |
| 5.06 | 5.17 | 4.88 | 4.90 | -3.16% | |
| 5.02 | 5.12 | 4.94 | 5.06 | +1.20% | |
| 5.20 | 5.22 | 4.95 | 5.00 | -2.53% | |
| 5.02 | 5.18 | 5.00 | 5.13 | +2.19% | |
| 4.96 | 5.03 | 4.93 | 5.02 | +0.40% | |
| 4.87 | 5.01 | 4.83 | 5.00 | +1.63% | |
| 4.82 | 4.96 | 4.81 | 4.92 | +2.29% | |
| 4.88 | 4.91 | 4.78 | 4.81 | -0.62% | |
| 4.90 | 5.00 | 4.78 | 4.84 | 0.00% | |
| 4.99 | 4.99 | 4.77 | 4.84 | -3.59% | |
| 4.98 | 5.08 | 4.98 | 5.02 | -0.40% | |
| 5.09 | 5.10 | 4.99 | 5.04 | 0.00% | |
| 4.90 | 5.12 | 4.88 | 5.04 | +2.65% | |
| 4.90 | 4.97 | 4.86 | 4.91 | +1.24% | |
| 4.93 | 4.96 | 4.81 | 4.85 | -1.42% | |
| 4.95 | 5.04 | 4.88 | 4.92 | -2.38% | |
| 5.06 | 5.21 | 4.99 | 5.04 | 0.00% | |
| 4.95 | 5.05 | 4.92 | 5.04 | +2.23% | |
| 4.88 | 4.98 | 4.80 | 4.93 | +1.02% | |
| 4.89 | 4.98 | 4.75 | 4.88 | +0.21% | |
| 5.05 | 5.13 | 4.67 | 4.87 | -2.60% | |
| 4.56 | 5.10 | 4.50 | 5.00 | +20.48% | |
| 4.06 | 4.26 | 4.05 | 4.15 | +0.97% | |
| 4.02 | 4.12 | 3.84 | 4.11 | +0.74% | |
| 4.04 | 4.14 | 3.97 | 4.08 | -0.97% | |
| 4.15 | 4.21 | 4.12 | 4.12 | -1.67% | |
| 4.15 | 4.26 | 4.15 | 4.19 | +1.45% | |
| 4.05 | 4.20 | 3.98 | 4.13 | 0.00% | |
| 4.13 | 4.16 | 4.02 | 4.13 | -1.43% | |
| 4.15 | 4.32 | 4.12 | 4.19 | +0.24% | |
| 4.06 | 4.20 | 4.03 | 4.18 | +2.70% | |
| 4.05 | 4.08 | 3.99 | 4.07 | +0.99% | |
| 4.05 | 4.10 | 4.00 | 4.03 | -0.25% | |
| 4.12 | 4.17 | 4.02 | 4.04 | -2.88% | |
| 4.13 | 4.23 | 4.07 | 4.16 | +0.97% | |
| 4.05 | 4.15 | 4.03 | 4.12 | +1.48% | |
| 4.00 | 4.08 | 4.00 | 4.06 | +1.50% | |
| 4.02 | 4.04 | 3.93 | 4.00 | -0.25% | |
| 3.95 | 4.10 | 3.94 | 4.01 | +1.01% | |
| 4.08 | 4.08 | 3.89 | 3.97 | -2.22% | |
| 4.11 | 4.15 | 3.94 | 4.06 | -1.22% | |
| 4.18 | 4.25 | 4.11 | 4.11 | -0.96% | |
| 4.22 | 4.29 | 4.15 | 4.15 | -1.19% | |
| 4.03 | 4.27 | 4.03 | 4.20 | +5.26% | |
| 4.00 | 4.10 | 3.96 | 3.99 | -1.24% | |
| 4.00 | 4.11 | 3.97 | 4.04 | +1.51% | |
| 4.09 | 4.11 | 3.97 | 3.98 | -2.21% | |
| 3.99 | 4.10 | 3.97 | 4.07 | +2.26% | |
| 3.90 | 4.00 | 3.87 | 3.98 | +1.02% | |
| 3.83 | 3.99 | 3.83 | 3.94 | +2.87% | |
| 3.93 | 3.95 | 3.82 | 3.83 | -2.54% | |
| 3.93 | 3.96 | 3.90 | 3.93 | -0.25% | |
| 3.96 | 3.98 | 3.90 | 3.94 | -0.51% | |
| 4.00 | 4.05 | 3.92 | 3.96 | -1.25% | |
| 4.00 | 4.04 | 3.96 | 4.01 | +0.25% | |
| 3.94 | 4.05 | 3.94 | 4.00 | +1.78% | |
| 3.77 | 3.95 | 3.77 | 3.93 | +3.15% | |
| 3.77 | 3.84 | 3.70 | 3.81 | +1.06% | |
| 3.84 | 3.84 | 3.74 | 3.77 | -1.31% | |
| 3.83 | 3.93 | 3.81 | 3.82 | -0.26% | |
| 3.90 | 3.95 | 3.79 | 3.83 | -1.79% | |
| 3.75 | 3.94 | 3.73 | 3.90 | +3.72% | |
| 3.65 | 3.79 | 3.60 | 3.76 | +3.30% | |
| 3.54 | 3.67 | 3.50 | 3.64 | +2.54% | |
| 3.71 | 3.72 | 3.49 | 3.55 | -4.57% | |
| 3.65 | 3.74 | 3.64 | 3.72 | +2.48% | |
| 3.73 | 3.78 | 3.63 | 3.63 | -2.94% | |
| 3.76 | 3.79 | 3.72 | 3.74 | 0.00% | |
| 3.73 | 3.76 | 3.68 | 3.74 | +0.27% | |
| 3.72 | 3.77 | 3.72 | 3.73 | 0.00% | |
| 3.73 | 3.75 | 3.69 | 3.73 | 0.00% | |
| 3.79 | 3.81 | 3.73 | 3.73 | -1.84% | |
| 3.67 | 4.07 | 3.67 | 3.80 | +3.54% | |
| 3.67 | 3.71 | 3.62 | 3.67 | -1.61% | |
| 3.70 | 3.77 | 3.70 | 3.73 | +0.81% | |
| 3.72 | 3.75 | 3.66 | 3.70 | -0.80% | |
| 3.72 | 3.77 | 3.71 | 3.73 | +0.54% | |
| 3.82 | 3.87 | 3.68 | 3.71 | -3.13% | |
| 3.78 | 3.86 | 3.75 | 3.83 | +1.32% | |
| 3.86 | 3.88 | 3.74 | 3.78 | -1.82% | |
| 3.81 | 3.87 | 3.80 | 3.85 | +1.05% | |
| 3.82 | 3.85 | 3.80 | 3.81 | +0.26% | |
| 3.76 | 3.85 | 3.74 | 3.80 | +1.06% | |
| 3.74 | 3.80 | 3.74 | 3.76 | +0.80% | |
| 3.72 | 3.84 | 3.69 | 3.73 | +0.81% | |
| 3.84 | 3.84 | 3.68 | 3.70 | -3.39% | |
| 3.93 | 3.97 | 3.80 | 3.83 | -3.28% | |
| 3.86 | 3.97 | 3.81 | 3.96 | +2.59% | |
| 3.84 | 3.96 | 3.81 | 3.86 | +0.26% | |
| 3.71 | 3.92 | 3.68 | 3.85 | +2.94% | |
| 3.69 | 3.75 | 3.66 | 3.74 | +1.08% | |
| 3.65 | 3.72 | 3.64 | 3.70 | +0.54% | |
| 3.63 | 3.74 | 3.63 | 3.68 | +2.22% | |
| 3.60 | 3.69 | 3.59 | 3.60 | +0.56% | |
| 3.50 | 3.64 | 3.48 | 3.58 | +2.58% | |
| 3.54 | 3.61 | 3.45 | 3.49 | -0.29% | |
| 3.45 | 3.54 | 3.43 | 3.50 | +1.45% | |
| 3.47 | 3.51 | 3.45 | 3.45 | -1.43% | |
| 3.65 | 3.66 | 3.49 | 3.50 | -4.63% | |
| 3.65 | 3.73 | 3.52 | 3.67 | +0.55% | |
| 3.63 | 3.75 | 3.59 | 3.65 | +0.55% | |
| 3.71 | 3.77 | 3.61 | 3.63 | -2.16% | |
| 3.68 | 3.74 | 3.67 | 3.71 | +1.64% | |
| 3.58 | 3.66 | 3.50 | 3.65 | +2.53% | |
| 3.58 | 3.59 | 3.45 | 3.56 | -0.56% | |
| 3.62 | 3.72 | 3.57 | 3.58 | -1.10% | |
| 3.42 | 3.71 | 3.40 | 3.62 | +10.37% | |
| 3.25 | 3.33 | 3.24 | 3.28 | +0.61% | |
| 3.45 | 3.50 | 3.24 | 3.26 | -6.05% | |
| 3.36 | 3.50 | 3.31 | 3.47 | +3.89% | |
| 3.31 | 3.35 | 3.30 | 3.34 | +0.60% | |
| 3.42 | 3.50 | 3.30 | 3.32 | -2.92% | |
| 3.44 | 3.49 | 3.38 | 3.42 | -0.58% | |
| 3.53 | 3.55 | 3.42 | 3.44 | -3.10% | |
| 3.61 | 3.61 | 3.50 | 3.55 | -0.56% | |
| 3.52 | 3.59 | 3.50 | 3.57 | +2.00% | |
| 3.55 | 3.60 | 3.44 | 3.50 | -1.69% | |
| 3.56 | 3.62 | 3.55 | 3.56 | +0.28% | |
| 3.54 | 3.60 | 3.53 | 3.55 | +1.72% | |
| 3.59 | 3.62 | 3.46 | 3.49 | -3.59% | |
| 3.47 | 3.72 | 3.47 | 3.62 | +4.93% | |
| 3.43 | 3.49 | 3.42 | 3.45 | +0.88% | |
| 3.37 | 3.48 | 3.37 | 3.42 | +0.29% | |
| 3.39 | 3.43 | 3.38 | 3.41 | +1.49% | |
| 3.45 | 3.49 | 3.32 | 3.36 | -2.33% | |
| 3.40 | 3.49 | 3.40 | 3.44 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ACTG chart for longer ranges.