ICLR
Icon (ICLR)
NASDAQ
$172.31+$0.08 (+0.04%)
Price as of Aug 21, 2026 7:30 PM EDT
  • $13.9B
    Market Cap
  • -2.05%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
ARTISAN PARTNERS LIMITED PARTNERSHIP
11.28%
8.6M
+357,461 (+4.14%)
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
6.95%
5.3M
-592,983 (-11.15%)
Jun 30, 2026
FMR LLC
6.88%
5.3M
+1.1M (+20.82%)
Jun 30, 2026
INVESCO LTD.
6.88%
5.3M
+1.4M (+26.32%)
Jun 30, 2026
WELLINGTON MANAGEMENT CO LLP
6.73%
5.2M
+105,972 (+2.06%)
Dec 31, 2021
HARRIS ASSOCIATES L P
5.84%
4.5M
+116,829 (+2.61%)
Jun 30, 2026
ORBIS ALLAN GRAY LTD
5.50%
4.2M
+75,843 (+1.80%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions1.5B (58.67%)
  • Mutual Funds1.0B (41.32%)
  • Insiders146,333 (0.006%)
  • Other0 (0.00%)

Insider Transactions

  • 0.006% (146,333)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 8
    Number of InsiderSelling (last 12 months)
  • $30.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Grais Linda S
Sell
Aug 11, 2026
$14,156.64
87
$162.72
6,916
Murray Ciaran
Sell
Aug 11, 2026
$45,561.60
280
$162.72
22,849
Whitaker Anne Clem
Sell
Aug 11, 2026
$14,319.36
88
$162.72
1,644
CLIMAX JOHN DR
Sell
Aug 11, 2026
$14,319.36
88
$162.72
2,840
Grais Linda S
Sell
Aug 11, 2026
$15,885.69
97
$163.77
6,819
McCague Eugene Pacelli
Sell
Aug 11, 2026
$14,319.36
88
$162.72
4,564
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$38,564.64
237
$162.72
7,911
CLIMAX JOHN DR
Sell
Aug 11, 2026
$15,558.15
95
$163.77
2,745
Grais Linda S
Sell
Aug 11, 2026
$97,037.30
590
$164.47
6,229
Murray Ciaran
Sell
Aug 11, 2026
$49,949.85
305
$163.77
22,544
Whitaker Anne Clem
Sell
Aug 11, 2026
$15,721.92
96
$163.77
1,548
CLIMAX JOHN DR
Sell
Aug 11, 2026
$97,201.77
591
$164.47
2,154
Grais Linda S
Sell
Aug 11, 2026
$11,089.17
67
$165.51
6,162
O'Neill Julie
Sell
Aug 11, 2026
$15,458.40
95
$162.72
4,335
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$42,416.43
259
$163.77
7,652
CLIMAX JOHN DR
Sell
Aug 11, 2026
$11,089.17
67
$165.51
2,087
Whitaker Anne Clem
Sell
Aug 11, 2026
$97,037.30
590
$164.47
958
Murray Ciaran
Sell
Aug 11, 2026
$309,203.60
1,880
$164.47
20,664
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$261,671.77
1,591
$164.47
6,061
McCague Eugene Pacelli
Sell
Aug 11, 2026
$15,721.92
96
$163.77
4,468
Whitaker Anne Clem
Sell
Aug 11, 2026
$11,089.17
67
$165.51
891
Murray Ciaran
Sell
Aug 11, 2026
$35,088.12
212
$165.51
20,452
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$29,791.80
180
$165.51
5,881
O'Neill Julie
Sell
Aug 11, 2026
$17,195.85
105
$163.77
4,230
McCague Eugene Pacelli
Sell
Aug 11, 2026
$97,037.30
590
$164.47
3,878
O'Neill Julie
Sell
Aug 11, 2026
$105,589.74
642
$164.47
3,588
McCague Eugene Pacelli
Sell
Aug 11, 2026
$11,089.17
67
$165.51
3,811
O'Neill Julie
Sell
Aug 11, 2026
$12,082.23
73
$165.51
3,515
Balfe Barry Edward
Chief Executive Officer
Award
Aug 10, 2026
$0.00
22,258
$0.00
22,258
Egan Kevin Francis
Award
Aug 10, 2026
$0.00
1,324
$0.00
1,324