ICON PLC - Common Stock (ICLR)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
ICLR on Nasdaq
Shares outstanding
78,003,340
Price per share
$182.22
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
74,378,652
Total reported value
$13,023,707,864
% of total 13F portfolios
0.02%
Share change
-1,921,618
Value change
-$174,780,531
Number of holders
502
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ICON PLC - Common Stock (ICLR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Artisan Partners Limited Partnership 9% +74% $1,081,466,632 +$435,596,752 7,184,870 +67% Artisan Partners Asset Management Inc. 30 Jun 2025
WELLINGTON MANAGEMENT GROUP LLP 6% $811,498,975 4,637,137 Wellington Management Group LLP 30 Sep 2025
ORBIS INVESTMENT MANAGEMENT LTD 5.3% $723,480,975 4,134,177 ORBIS INVESTMENT MANAGEMENT LTD 30 Sep 2025
WCM INVESTMENT MANAGEMENT, LLC 0.25% $26,956,720 199,946 WCM Investment Management, LLC 30 Jun 2025
As of 30 Sep 2025, ICON PLC - Common Stock (ICLR) has 502 institutional shareholders filing 13F forms. They hold 74,378,652 shares. of 78,003,340 outstanding shares (95%) .

Top 25 institutional shareholders own 66% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
Artisan Partners Limited Partnership 9.1% 7,071,360 -1.6% 1.8% $1,237,488,000
WELLINGTON MANAGEMENT GROUP LLP 5.9% 4,637,137 +27% 0.14% $811,498,975
Orbis Allan Gray Ltd 5.3% 4,138,818 +1133% 3.1% $724,293,150
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 4.5% 3,503,553 -6.6% 0.19% $613,121,775
Invesco Ltd. 4.4% 3,427,630 +11% 0.09% $599,835,257
PRINCIPAL FINANCIAL GROUP INC 4.2% 3,277,293 +739% 0.29% $573,526,275
Ninety One UK Ltd 3.9% 3,006,141 +0.42% 1.1% $526,074,672
FRANKLIN RESOURCES INC 3.5% 2,753,528 +35% 0.12% $481,691,931
HARRIS ASSOCIATES L P 3% 2,342,559 +43% 0.66% $409,947,825
FMR LLC 2.5% 1,933,238 -1.6% 0.02% $338,316,613
Ruane, Cunniff & Goldfarb L.P. 2.2% 1,700,994 -0.42% 4.9% $297,673,950
D. E. Shaw & Co., Inc. 1.9% 1,477,101 -39% 0.21% $258,492,675
ALLIANCEBERNSTEIN L.P. 1.8% 1,374,074 +4% 0.08% $240,462,950
WGI DM, LLC 1.6% 1,277,980 +27% 8.3% $223,646,500
1832 Asset Management L.P. 1.5% 1,204,125 +4.6% 0.36% $210,721,875
Clearbridge Investments, LLC 1.5% 1,134,440 -1.2% 0.15% $198,527,000
Allspring Global Investments Holdings, LLC 1.4% 1,068,857 +0.79% 0.33% $205,551,890
First Pacific Advisors, LP 1.2% 974,325 +1.1% 2.4% $170,506,875
Trinity Street Asset Management LLP 1.1% 870,973 +3.5% 10% $152,420,275
EARNEST PARTNERS LLC 1% 809,652 +36% 0.61% $141,689,100
BRANDES INVESTMENT PARTNERS, LP 0.97% 755,660 +264% 1.1% $132,242,610
Boston Partners 0.95% 739,135 +1207% 0.13% $129,372,317
SEI INVESTMENTS CO 0.9% 699,274 +15% 0.13% $122,380,130
BAMCO INC /NY/ 0.88% 684,941 -0.82% 0.32% $119,864,675
EQUITY INVESTMENT CORP 0.81% 628,229 +11% 2.3% $109,940,059

Institutional Holders of ICON PLC - Common Stock (ICLR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 57,303 $10,503,295 -$609,811 $182.22 19
2025 Q3 74,378,652 $13,023,707,864 -$174,780,531 $175.00 502
2025 Q2 76,791,411 $11,178,935,190 +$159,733,466 $145.45 480
2025 Q1 74,489,454 $13,050,924,618 -$528,030,891 $174.99 549
2024 Q4 76,038,063 $15,951,367,769 -$651,647,444 $209.71 587
2024 Q3 77,759,120 $22,348,580,947 -$85,319,426 $287.31 652
2024 Q2 77,295,616 $24,235,258,946 -$87,857,874 $313.47 670
2024 Q1 77,623,418 $26,047,815,750 -$308,391,818 $335.95 639
2023 Q4 77,555,794 $21,967,290,922 -$285,900,203 $283.07 593
2023 Q3 79,794,193 $19,649,497,222 +$183,510,507 $246.25 546
2023 Q2 78,870,444 $19,742,098,119 +$1,089,811,895 $250.20 524
2023 Q1 74,716,469 $15,955,091,516 +$113,958,731 $213.59 527
2022 Q4 73,866,132 $14,361,834,563 -$313,078,427 $194.25 516
2022 Q3 75,415,895 $13,864,584,480 +$112,923,571 $183.78 473
2022 Q2 74,209,990 $16,083,672,391 +$346,153,676 $216.70 498
2022 Q1 72,872,144 $17,721,802,608 -$89,850,028 $243.22 500
2021 Q4 72,834,119 $22,515,024,773 -$9,217,914 $309.70 536
2021 Q3 72,953,264 $19,117,236,220 +$3,665,800,590 $262.02 499
2021 Q2 59,050,843 $12,210,645,017 +$1,788,506,723 $206.71 441
2021 Q1 50,406,039 $9,899,558,894 +$748,154,919 $196.37 420
2020 Q4 46,561,126 $9,083,752,864 +$35,609,160 $194.98 413
2020 Q3 46,209,890 $8,832,855,052 +$25,561,020 $191.09 382
2020 Q2 46,091,133 $7,767,252,496 +$183,568,059 $168.46 374
2020 Q1 44,999,508 $6,119,126,271 -$186,022,873 $136.00 359
2019 Q4 46,301,787 $7,974,204,313 -$90,528,350 $172.23 362
2019 Q3 47,008,539 $6,925,807,637 +$177,734,429 $147.34 354
2019 Q2 45,774,902 $7,047,510,644 -$154,748,553 $153.97 337
2019 Q1 46,912,029 $6,407,290,429 -$68,928,991 $136.58 349
2018 Q4 47,438,508 $6,138,857,631 +$7,507,116 $129.21 343
2018 Q3 47,267,151 $7,266,088,087 -$114,468,368 $153.75 356
2018 Q2 45,818,487 $6,070,413,679 +$8,377,361 $132.53 331
2018 Q1 47,789,560 $5,645,794,281 -$89,018,062 $118.14 328
2017 Q4 49,052,442 $5,501,477,203 -$4,319,508 $112.15 332
2017 Q3 49,059,343 $5,586,751,399 -$90,896,907 $113.88 295
2017 Q2 50,104,754 $4,899,893,472 -$30,804,098 $97.79 277
2017 Q1 51,137,811 $4,077,477,874 +$108,607,856 $79.72 269
2016 Q4 50,088,236 $3,767,269,375 -$119,691,244 $75.20 275
2016 Q3 51,791,151 $4,005,643,791 -$928,250 $77.37 255
2016 Q2 51,507,683 $3,606,568,656 +$29,947,252 $70.01 266
2016 Q1 52,093,461 $3,906,487,789 +$21,335,891 $75.10 265
2015 Q4 51,835,693 $4,027,461,323 +$17,387,942 $77.70 264
2015 Q3 51,760,214 $3,673,367,423 -$50,458,333 $70.97 269
2015 Q2 53,110,709 $3,574,333,562 +$222,399,752 $67.30 246
2015 Q1 50,235,833 $3,540,817,272 +$27,605,132 $70.53 237
2014 Q4 49,995,738 $2,551,293,607 -$196,497,255 $50.99 224
2014 Q3 53,557,253 $3,065,025,724 -$51,357,601 $57.23 221
2014 Q2 54,749,410 $2,578,953,630 -$22,129,862 $47.11 206
2014 Q1 55,494,265 $2,637,899,743 -$22,698,370 $47.55 195