ICLR
Icon (ICLR)
NASDAQ
$185.32+$0.07 (+0.04%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $15.0B
    Market Cap
  • -3.82%
    1-Year Change
  • Diagnostics & Research
    Industry
  • 1 Month
    +9.26%
    Low Price$161.69
    High Price$185.25
  • 3 Months
    +11.18%
    Low Price$156.85
    High Price$185.25
  • 1 Year
    -3.82%
    Low Price$80.08
    High Price$202.92
Date
Open
High
Low
Close
Change (%)
Volume
10/21/2026
171.54
188.27
171.54
185.25
+6.35%
1,163,606
10/20/2026
169.26
176.73
168.64
174.19
+3.60%
936,269
10/19/2026
169.25
173.11
167.14
168.14
-1.20%
728,526
10/16/2026
173.58
176.81
167.95
170.18
-2.83%
667,941
10/15/2026
170.20
177.20
166.94
175.13
+3.65%
795,832
10/14/2026
163.54
170.32
163.14
168.97
+2.82%
629,664
10/13/2026
164.54
166.17
159.72
164.34
-0.04%
816,544
10/12/2026
165.14
169.83
163.90
164.40
+0.14%
869,548
10/09/2026
167.04
169.85
163.47
164.17
-0.20%
745,620
10/08/2026
161.62
164.95
159.16
164.50
+0.26%
1,026,195
10/07/2026
160.93
165.22
157.38
164.08
+1.48%
776,242
10/06/2026
169.69
177.67
161.14
161.69
-3.94%
984,008
10/05/2026
161.07
168.76
160.99
168.33
+3.88%
932,547
10/02/2026
161.85
163.43
160.41
162.05
+0.12%
676,143
10/01/2026
169.99
170.22
160.90
161.85
-4.79%
677,230
09/30/2026
167.98
170.40
165.24
169.99
-0.21%
851,063
09/29/2026
174.50
176.70
169.73
170.35
-2.97%
1,442,756
09/28/2026
171.13
175.87
169.38
175.57
+1.88%
1,342,087
09/25/2026
173.80
174.92
170.44
172.33
-0.90%
965,904
09/24/2026
163.79
175.00
163.79
173.90
+6.10%
1,619,312
09/23/2026
167.77
169.28
163.41
163.90
-1.92%
1,064,859
09/22/2026
170.55
172.04
167.11
167.11
-1.44%
1,056,012
09/21/2026
164.61
169.95
163.16
169.55
+3.31%
1,031,665
09/18/2026
169.50
169.50
162.59
164.11
-3.28%
1,122,557
09/17/2026
175.01
177.50
169.44
169.68
-2.45%
1,172,029
09/16/2026
173.51
175.59
172.09
173.94
+0.86%
818,589
09/15/2026
168.02
172.94
167.72
172.45
+2.08%
862,417
09/14/2026
171.51
173.40
167.80
168.93
-0.22%
1,325,065
09/11/2026
165.68
175.63
165.68
169.31
+2.18%
1,710,005
09/10/2026
159.27
166.53
156.70
165.69
+3.87%
1,142,380
09/09/2026
158.71
161.76
157.26
159.51
+0.74%
801,141
09/08/2026
162.30
162.42
158.04
158.34
-3.95%
949,585
09/04/2026
159.94
165.92
159.50
164.85
+0.78%
796,396
09/03/2026
159.87
164.35
159.55
163.58
+2.34%
594,049
09/02/2026
161.88
164.24
158.66
159.84
-0.97%
893,170
09/01/2026
165.24
165.36
160.01
161.40
-2.18%
604,611
08/31/2026
169.91
170.41
163.57
164.99
-2.96%
707,463
08/28/2026
169.41
170.42
165.70
170.02
+0.18%
314,630
08/27/2026
168.84
174.12
168.27
169.72
+0.47%
376,594
08/26/2026
165.88
169.83
165.45
168.93
+0.01%
414,096
08/25/2026
172.69
173.00
168.01
168.91
-2.63%
445,559
08/24/2026
170.81
174.44
168.38
173.48
+0.73%
420,717
08/21/2026
173.02
179.02
172.03
172.23
-1.17%
391,179
08/20/2026
170.17
180.89
170.17
174.27
+1.03%
516,252
08/19/2026
170.10
175.71
167.49
172.49
+3.26%
687,878
08/18/2026
170.00
172.95
166.87
167.05
-1.42%
556,625
08/17/2026
161.34
169.73
161.17
169.45
+3.86%
490,032
08/14/2026
166.65
167.29
162.42
163.15
-2.59%
323,993
08/13/2026
167.69
167.87
160.05
167.48
+0.19%
442,063
08/12/2026
165.27
167.74
161.77
167.17
+0.96%
843,744
08/11/2026
165.56
167.34
161.89
165.58
-0.28%
662,270
08/10/2026
163.80
167.70
163.80
166.05
+0.94%
516,253
08/07/2026
161.86
164.89
160.46
164.51
+2.07%
388,372
08/06/2026
162.37
162.65
159.07
161.17
-1.43%
469,348
08/05/2026
158.65
167.51
156.00
163.51
+4.25%
617,777
08/04/2026
156.71
157.42
150.86
156.85
-0.98%
1,045,208
08/03/2026
165.31
165.80
156.56
158.41
-3.15%
1,212,122
07/31/2026
165.45
171.74
162.41
163.57
-1.19%
862,156
07/30/2026
165.75
172.97
162.50
165.53
-7.10%
1,774,130
07/29/2026
180.25
182.54
175.63
178.18
-1.14%
1,571,972
07/29/2026
$2.56 Earnings
07/28/2026
177.58
186.64
177.17
180.24
+6.79%
1,790,430
07/27/2026
165.55
169.98
161.29
168.78
+1.82%
778,242
07/24/2026
173.86
173.89
165.58
165.76
-2.68%
757,706
07/23/2026
175.00
182.97
169.62
170.32
+1.82%
1,281,685
07/22/2026
167.19
168.00
164.14
167.28
+0.40%
568,064
07/21/2026
163.70
167.64
162.18
166.62
+0.26%
576,116
07/20/2026
171.48
171.48
164.55
166.18
-2.25%
703,095
07/17/2026
167.00
172.40
167.00
170.00
0.00%
579,565
07/16/2026
171.58
173.23
167.22
170.00
-1.21%
501,845
07/15/2026
169.63
172.26
167.32
172.08
+2.45%
462,848
07/14/2026
165.10
169.38
162.83
167.97
+1.13%
636,923
07/13/2026
165.75
168.14
164.32
166.10
-0.97%
401,575
07/10/2026
168.77
170.00
167.71
167.72
-0.62%
308,538
07/09/2026
166.45
170.40
164.42
168.77
+1.99%
525,263
07/08/2026
166.88
167.96
162.06
165.47
-1.93%
653,781
07/07/2026
172.03
172.52
167.55
168.72
-1.30%
665,519
07/06/2026
170.29
171.23
167.83
170.94
-1.23%
777,169
07/02/2026
177.07
179.29
170.93
173.06
-1.14%
938,189
07/01/2026
174.00
181.82
173.22
175.05
+0.77%
808,749
06/30/2026
178.29
181.00
170.85
173.71
+0.42%
1,067,785
06/29/2026
169.65
173.51
167.24
172.99
+1.84%
1,359,741
06/26/2026
158.59
170.51
158.59
169.86
+5.53%
1,443,150
06/25/2026
161.92
168.63
160.47
160.96
+1.76%
2,250,856
06/24/2026
147.79
162.00
147.71
158.17
+10.86%
2,406,490
06/23/2026
139.72
145.01
138.84
142.67
+1.38%
696,206
06/23/2026
$2.50 Earnings
06/22/2026
145.77
148.00
140.14
140.73
-3.61%
918,795
06/18/2026
145.32
146.51
141.70
146.00
+1.91%
870,065
06/17/2026
143.65
145.09
140.00
143.27
-0.19%
989,822
06/16/2026
148.88
148.88
142.93
143.54
-2.83%
568,515
06/15/2026
147.20
148.74
144.84
147.72
+1.05%
598,044
06/12/2026
150.11
151.53
143.86
146.18
-2.49%
703,865
06/11/2026
144.89
149.97
143.30
149.92
+3.69%
790,291
06/10/2026
152.15
154.27
144.31
144.59
-4.76%
1,014,576
06/09/2026
152.93
156.20
150.32
151.82
-0.28%
1,220,459
06/08/2026
149.45
153.94
147.17
152.24
+1.87%
1,129,033
06/05/2026
151.78
153.75
147.97
149.45
-2.19%
1,348,942
06/04/2026
144.28
153.84
144.28
152.80
+6.18%
1,689,878
06/03/2026
136.79
145.92
135.52
143.90
+4.62%
1,380,202