Laser Focus World is an industry bedrock—first published in 1965 and still going strong. We publish original articles about cutting-edge advances in lasers, optics, photonics, sensors, and quantum technologies, as well as test and measurement, and the shift currently underway to usher in the photonic integrated circuits, optical interconnects, and copackaged electronics and photonics to deliver the speed and efficiency essential for data centers of the future.

Our 80,000 qualified print subscribers—and 130,000 12-month engaged online audience—trust us to dive in and provide original journalism you won’t find elsewhere covering key emerging areas such as laser-driven inertial confinement fusion, lasers in space, integrated photonics, chipscale lasers, LiDAR, metasurfaces, high-energy laser weaponry, photonic crystals, and quantum computing/sensors/communications. We cover the innovations driving these markets.

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Editorial Advisory Board

  • Professor Andrea M. Armani, University of Southern California
  • Ruti Ben-Shlomi, Ph.D., LightSolver
  • James Butler, Ph.D., Hamamatsu
  • Natalie Fardian-Melamed, Ph.D., Columbia University
  • Justin Sigley, Ph.D., AmeriCOM
  • Professor Birgit Stiller, Max Planck Institute for the Science of Light, and Leibniz University of Hannover
  • Professor Stephen Sweeney, University of Glasgow
  • Mohan Wang, Ph.D., University of Oxford
  • Professor Xuchen Wang, Harbin Engineering University
  • Professor Stefan Witte, Delft University of Technology

Horizon Technology Finance Corporation - Common Stock (NQ:HRZN)

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Historical Prices

Date Open High Low Close Volume Change (%)
Sep 26, 2025 6.210 6.260 6.090 6.140 672,570 -0.08(-1.29%)
Sep 25, 2025 6.210 6.285 6.160 6.220 577,046 +0.00(+0.00%)
Sep 24, 2025 6.330 6.370 6.160 6.220 1,004,443 -0.13(-2.05%)
Sep 23, 2025 6.360 6.505 6.330 6.350 705,330 -0.01(-0.16%)
Sep 22, 2025 6.610 6.640 6.350 6.360 1,061,174 -0.30(-4.50%)
Sep 19, 2025 6.750 6.750 6.600 6.660 672,772 -0.05(-0.75%)
Sep 18, 2025 6.660 6.736 6.590 6.710 711,254 +0.08(+1.21%)
Sep 17, 2025 6.570 6.732 6.560 6.630 760,425 -0.04(-0.60%)
Sep 16, 2025 6.840 6.865 6.650 6.670 1,525,881 -0.16(-2.34%)
Sep 15, 2025 6.880 6.900 6.815 6.830 887,962 -0.02(-0.29%)
Sep 12, 2025 6.970 6.970 6.840 6.850 616,653 -0.11(-1.58%)
Sep 11, 2025 6.830 6.960 6.820 6.960 593,640 +0.16(+2.35%)
Sep 10, 2025 6.820 6.900 6.793 6.800 569,168 -0.03(-0.44%)
Sep 09, 2025 6.920 6.920 6.810 6.830 506,849 -0.08(-1.16%)
Sep 08, 2025 6.910 6.922 6.830 6.910 842,219 +0.00(+0.00%)
Sep 05, 2025 6.950 6.980 6.860 6.910 608,660 -0.05(-0.72%)
Sep 04, 2025 6.988 6.988 6.880 6.960 536,529 +0.01(+0.14%)
Sep 03, 2025 6.990 7.070 6.920 6.950 697,051 -0.02(-0.29%)
Sep 02, 2025 6.900 7.040 6.890 6.970 558,129 +0.07(+1.01%)
Aug 29, 2025 6.860 6.900 6.840 6.900 597,689 +0.02(+0.29%)
Aug 28, 2025 6.900 6.930 6.850 6.880 506,084 -0.02(-0.29%)
Aug 27, 2025 6.890 6.960 6.890 6.900 532,590 +0.00(+0.00%)
Aug 26, 2025 6.920 6.926 6.860 6.900 479,977 +0.01(+0.15%)
Aug 25, 2025 6.980 7.015 6.880 6.890 642,926 -0.09(-1.29%)
Aug 22, 2025 6.980 7.050 6.970 6.980 642,353 +0.00(+0.00%)
Aug 21, 2025 6.950 6.990 6.920 6.980 420,487 +0.01(+0.14%)
Aug 20, 2025 6.940 6.980 6.940 6.970 415,273 +0.03(+0.43%)
Aug 19, 2025 6.970 7.010 6.905 6.940 709,234 -0.01(-0.14%)
Aug 18, 2025 7.000 7.005 6.881 6.950 897,119 +0.00(+0.00%)
Aug 15, 2025 7.068 7.078 6.934 6.950 1,129,672 -0.08(-1.12%)
Aug 14, 2025 7.088 7.088 6.994 7.029 523,955 -0.04(-0.56%)
Aug 13, 2025 7.108 7.127 7.040 7.068 598,347 -0.02(-0.28%)
Aug 12, 2025 7.039 7.127 6.999 7.088 639,468 +0.06(+0.84%)
Aug 11, 2025 7.058 7.162 6.998 7.029 830,293 -0.03(-0.42%)
Aug 08, 2025 6.861 7.122 6.665 7.058 1,716,131 -0.24(-3.24%)
Aug 07, 2025 7.619 7.639 7.260 7.295 815,576 -0.32(-4.26%)
Aug 06, 2025 7.482 7.619 7.462 7.619 318,012 +0.16(+2.11%)
Aug 05, 2025 7.354 7.496 7.285 7.462 581,810 +0.09(+1.20%)
Aug 04, 2025 7.580 7.805 7.349 7.373 794,314 -0.19(-2.47%)
Aug 01, 2025 7.688 7.698 7.482 7.560 532,975 -0.16(-2.04%)
Jul 31, 2025 7.954 8.043 7.698 7.718 665,710 -0.23(-2.85%)
Jul 30, 2025 8.053 8.141 7.929 7.944 202,298 -0.09(-1.10%)
Jul 29, 2025 8.013 8.092 7.910 8.033 322,829 +0.02(+0.25%)
Jul 28, 2025 8.171 8.210 7.989 8.013 310,858 -0.14(-1.69%)
Jul 25, 2025 8.279 8.309 8.112 8.151 376,574 -0.14(-1.66%)
Jul 24, 2025 8.279 8.309 8.220 8.289 303,378 +0.02(+0.24%)
Jul 23, 2025 8.171 8.328 8.159 8.269 597,340 +0.13(+1.57%)
Jul 22, 2025 7.984 8.181 7.964 8.141 375,519 +0.15(+1.85%)
Jul 21, 2025 7.954 8.023 7.821 7.993 652,226 +0.06(+0.74%)
Jul 18, 2025 8.072 8.151 7.925 7.934 333,672 -0.12(-1.47%)
Jul 17, 2025 7.905 8.112 7.905 8.053 429,675 +0.15(+1.87%)
Jul 16, 2025 7.787 7.905 7.678 7.905 633,814 +0.10(+1.26%)
Jul 15, 2025 8.059 8.122 7.806 7.806 1,214,900 -0.22(-2.78%)
Jul 14, 2025 8.059 8.073 7.913 8.030 509,666 -0.01(-0.12%)
Jul 11, 2025 7.836 8.078 7.836 8.039 583,722 +0.16(+1.97%)
Jul 10, 2025 7.816 7.902 7.748 7.884 385,433 +0.10(+1.25%)
Jul 09, 2025 7.573 7.797 7.573 7.787 503,493 +0.22(+2.95%)
Jul 08, 2025 7.331 7.603 7.311 7.564 469,931 +0.23(+3.18%)
Jul 07, 2025 7.234 7.350 7.169 7.331 482,274 +0.10(+1.34%)
Jul 03, 2025 7.158 7.321 7.158 7.234 332,760 +0.08(+1.09%)
Jul 02, 2025 7.020 7.166 7.010 7.156 408,329 +0.14(+1.94%)
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