ICLR
Icon (ICLR)
NASDAQ
$199.79-$4.84 (-2.37%)
Price as of Nov 11, 2026 7:35 PM EST
  • $16.5B
    Market Cap
  • 25.22%
    1-Year Change
  • Diagnostics & Research
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
ARTISAN PARTNERS LIMITED PARTNERSHIP
11.53%
8.6M
+357,461 (+4.14%)
Jun 30, 2026
WELLINGTON MANAGEMENT GROUP LLP
7.10%
5.3M
-592,983 (-11.15%)
Jun 30, 2026
FMR LLC
7.04%
5.3M
+1.1M (+20.82%)
Jun 30, 2026
INVESCO LTD.
7.03%
5.3M
+1.4M (+26.32%)
Jun 30, 2026
WELLINGTON MANAGEMENT CO LLP
6.88%
5.2M
+105,972 (+2.06%)
Dec 31, 2021
HARRIS ASSOCIATES L P
5.96%
4.5M
+116,829 (+2.61%)
Jun 30, 2026
ORBIS ALLAN GRAY LTD
5.63%
4.2M
+75,843 (+1.80%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions1.5B (57.14%)
  • Mutual Funds1.1B (42.86%)
  • Insiders159,707 (0.006%)
  • Other0 (0.00%)

Insider Transactions

  • 0.006% (159,707)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 9
    Number of InsiderSelling (last 12 months)
  • $41.8M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Balfe Barry Edward
Chief Executive Officer
Sell
Nov 02, 2026
$215,770.23
1,053
$204.91
13,413
Balfe Barry Edward
Chief Executive Officer
Sell
Nov 02, 2026
$311,080.35
1,509
$206.15
11,904
Balfe Barry Edward
Chief Executive Officer
Sell
Nov 02, 2026
$253,563.84
1,224
$207.16
10,680
Balfe Barry Edward
Chief Executive Officer
Sell
Nov 02, 2026
$273,312.00
1,314
$208.00
9,366
Balfe Barry Edward
Chief Executive Officer
Sell
Nov 02, 2026
$15,714.75
75
$209.53
9,291
Balfe Barry Edward
Chief Executive Officer
Exempt
Oct 31, 2026
$0.00
9,662
$0.00
19,324
Balfe Barry Edward
Chief Executive Officer
Exempt
Oct 31, 2026
$0.00
9,662
$0.00
14,466
Murphy Ronan Martin
Exempt
Sep 17, 2026
$0.00
5,005
$0.00
0
McCague Eugene Pacelli
Exempt
Sep 17, 2026
$0.00
3,255
$0.00
0
Murphy Ronan Martin
Exempt
Sep 17, 2026
$629,328.70
5,005
$125.74
8,852
McCague Eugene Pacelli
Exempt
Sep 17, 2026
$409,283.70
3,255
$125.74
7,066
Murphy Ronan Martin
Sell
Sep 17, 2026
$875,875.00
5,005
$175.00
3,847
McCague Eugene Pacelli
Sell
Sep 17, 2026
$569,625.00
3,255
$175.00
3,811
CLIMAX JOHN DR
Exempt
Sep 16, 2026
$0.00
5,005
$0.00
0
CLIMAX JOHN DR
Exempt
Sep 16, 2026
$629,328.70
5,005
$125.74
7,092
CLIMAX JOHN DR
Sell
Sep 16, 2026
$875,875.00
5,005
$175.00
2,087
Whitaker Anne Clem
Sell
Aug 11, 2026
$14,319.36
88
$162.72
1,644
Grais Linda S
Sell
Aug 11, 2026
$14,156.64
87
$162.72
6,916
CLIMAX JOHN DR
Sell
Aug 11, 2026
$14,319.36
88
$162.72
2,840
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$38,564.64
237
$162.72
7,911
Murray Ciaran
Sell
Aug 11, 2026
$45,561.60
280
$162.72
22,849
Grais Linda S
Sell
Aug 11, 2026
$15,885.69
97
$163.77
6,819
CLIMAX JOHN DR
Sell
Aug 11, 2026
$15,558.15
95
$163.77
2,745
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$42,416.43
259
$163.77
7,652
Whitaker Anne Clem
Sell
Aug 11, 2026
$15,721.92
96
$163.77
1,548
Grais Linda S
Sell
Aug 11, 2026
$97,037.30
590
$164.47
6,229
CLIMAX JOHN DR
Sell
Aug 11, 2026
$97,201.77
591
$164.47
2,154
Clerkin Nigel Bernard John
Chief Financial Officer
Sell
Aug 11, 2026
$261,671.77
1,591
$164.47
6,061
Murray Ciaran
Sell
Aug 11, 2026
$49,949.85
305
$163.77
22,544
Grais Linda S
Sell
Aug 11, 2026
$11,089.17
67
$165.51
6,162