when did quantum go public

Quantum (QMCO) went public on August 2, 1999, when it opened at a split-adjusted price of $3,080.

DATEOPENHIGHLOWCLOSEVOLUME
September 2026
$23.850
$33.010
$21.720
$31.680
28,604,839
August 2026
$10.600
$27.800
$10.190
$24.330
49,344,900
July 2026
$10.800
$12.810
$9.060
$10.640
19,706,800
June 2026
$9.550
$18.480
$9.360
$11.000
37,451,000
May 2026
$7.150
$10.640
$7.150
$9.710
14,420,600
April 2026
$4.850
$7.660
$4.810
$7.140
9,095,600
March 2026
$5.130
$5.940
$4.190
$4.750
8,990,600
February 2026
$6.120
$6.470
$4.890
$5.480
11,364,500
January 2026
$6.720
$8.240
$6.110
$6.200
11,485,100
December 2025
$7.520
$10.010
$6.220
$6.450
11,160,700
November 2025
$9.400
$9.490
$6.550
$7.850
13,768,600
October 2025
$9.810
$15.330
$8.900
$9.440
49,585,000
September 2025
$7.190
$12.830
$7.010
$9.920
59,496,900
August 2025
$7.740
$8.390
$6.510
$7.430
10,441,500
July 2025
$8.670
$9.820
$7.830
$8.010
17,480,200
June 2025
$11.770
$12.530
$7.250
$9.970
34,023,800
May 2025
$11.260
$14.400
$10.100
$11.870
56,691,300
April 2025
$14.730
$15.300
$9.590
$10.800
12,317,300
March 2025
$11.880
$24.400
$10.110
$14.380
41,261,700
February 2025
$21.050
$25.460
$11.210
$11.790
22,051,900
January 2025
$54.450
$60.880
$19.310
$22.400
36,058,100
December 2024
$17.330
$90.640
$11.050
$53.920
89,827,900
November 2024
$4.570
$33.000
$2.880
$17.410
94,652,500
October 2024
$3.470
$5.850
$3.220
$4.310
959,700
September 2024
$3.010
$3.780
$2.220
$3.500
797,500