IconICLR

13F holders, Q3 2024 (September 30)
662holders −13
58new positions
74sold out
8famous investors
$286.86avg. 13F price*

At the end of Q3 2024, 662 institutions reported holding Icon PLC (ICLR) in their 13F filings, down 13 from Q2 2024. 58 opened new positions and 74 sold out. The largest holders were WCM Investment Management, LLC ($1.9B), Massachusetts Financial Services Co. ($1.2B) and T. Rowe Price Associates Inc. ($962.7M). 8 famous investors held it, including Ron Baron (0.7% of Baron Capital (BAMCO)'s portfolio), Israel Englander (0.2% of Millennium Management's portfolio) and Paul Tudor Jones (0.2% of Tudor Investment Corporation's portfolio).

Company
Icon PLC
CUSIP
G4705A100
Latest filing quarter
Q2 2026

History

Number of 13F holders

0200400600800 Q1 2024: 646Q1 2024Q2 2024: 675Q2 2024Q3 2024: 662Q3 2024Q4 2024: 596Q4 2024Q1 2025: 562Q1 2025Q2 2025: 489Q2 2025Q3 2025: 514Q3 2025Q4 2025: 515Q4 2025Q1 2026: 418Q1 2026Q2 2026: 422Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions58$192.6M
Exits74$368.8M

All 13F filers, Q2 2024 → Q3 2024: 6,270,407 shares bought and 6,408,818 shares sold, net −138,411 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 662 holders

WCM Investment Management, LLC 4.31% Reduce -0.3% 6,654,257 $1.9B
Massachusetts Financial Services Co. 0.35% Reduce -18.8% 4,063,771 $1.2B
T. Rowe Price Associates Inc. 0.11% Add +27.9% 3,350,582 $962.7M
Wellington Management Group LLP 0.16% Add +11.7% 3,081,973 $885.5M
Ninety One UK Ltd 2.07% Add +0.7% 2,696,402 $774.7M
Lazard Asset Management LLC 0.97% Reduce -3.6% 2,360,061 $678.1M
Boston Partners 0.78% Reduce -12.8% 2,284,684 $656.5M
FMR LLC 0.04% Reduce -0.3% 2,190,307 $629.3M
Capital Research Global Investors 0.11% Add +0.1% 1,901,721 $546.4M
Invesco Ltd. 0.10% Add +1.6% 1,836,820 $527.7M
Clearbridge Investments, LLC 0.34% Reduce -0.8% 1,496,495 $430.0M
Franklin Resources Inc. 0.12% Add +8.0% 1,437,864 $426.4M
Sustainable Growth Advisers, LP 1.64% Add +12.6% 1,347,920 $387.3M
Alliancebernstein L.P. 0.13% Reduce -5.9% 1,318,905 $378.9M
Victory Capital Management Inc. 0.36% Add +19.3% 1,277,810 $367.1M
Bank of America Corp. 0.03% Add +12.5% 1,273,737 $366.0M
William Blair Investment Management, LLC 0.89% Add +8.7% 1,259,345 $361.8M
Comgest Global Investors S.A.S. 5.00% Reduce -1.2% 1,215,645 $349.3M
Janus Henderson Group PLC 0.18% Add +0.1% 1,195,236 $343.4M
BlackRock, Inc. 0.01% — 1,150,593 $330.6M
JPMorgan Chase & Co. 0.03% Add +28.3% 1,126,015 $323.5M
American Century Companies Inc. 0.18% Reduce -5.7% 1,066,092 $306.3M
Goldman Sachs Group Inc. 0.06% Add +7.9% 1,061,174 $304.9M
Polen Capital Management LLC 0.78% Reduce -2.9% 1,053,770 $302.8M
BlueSpruce Investments, LP 5.36% Reduce -16.3% 1,011,789 $290.7M
Norges Bank 0.04% Add +3.6% 1,004,517 $288.6M
Baron Capital (BAMCO) 0.73% Reduce -1.8% 954,056 $274.1M
Bessemer Group Inc. 0.40% Add +15.3% 855,307 $245.7M
Millennium Management 0.20% Reduce -10.4% 775,100 $222.7M
FIL Ltd 0.19% Reduce -0.7% 737,972 $212.0M
Neuberger Berman Group LLC 0.16% Reduce -5.2% 723,019 $207.7M
Trinity Street Asset Management LLP 20.09% Add +0.6% 701,457 $201.5M
AustralianSuper Pty Ltd 0.95% Add +9.2% 664,758 $191.0M
Mawer Investment Management Ltd. 0.81% Add +61.8% 617,916 $177.5M
Oddo BHF Asset Management Sas 8.75% — 609,376 $175.1M
Westfield Capital Management Co. LP 0.77% Add +12.1% 591,750 $170.0M
Principal Financial Group Inc. 0.09% Add +28.4% 591,073 $169.8M
Citadel Advisors 0.18% Reduce -57.4% 580,049 $166.7M
Envestnet Asset Management Inc. 0.05% Add +3.9% 542,639 $155.9M
Earnest Partners LLC 0.65% Add +0.0% 522,612 $150.2M
USS Investment Management Ltd 1.06% Add +3931.2% 504,540 $144.9M
CCLA Investment Management 2.15% No change 444,954 $139.5M
Northern Trust Corp. 0.02% Reduce -30.2% 484,459 $139.2M
Stephens Investment Management Group LLC 1.79% Reduce -0.7% 456,734 $131.2M
Fayez Sarofim & Co 0.29% Add +1136.9% 403,168 $115.8M
Morgan Stanley 0.01% Add +43.5% 377,885 $108.6M
First Pacific Advisors, LP 1.44% Reduce -0.8% 353,656 $101.6M
Corient Private Wealth LP 0.16% Add +96.7% 344,838 $99.1M
State Street Corp. 0.00% Add +6.5% 308,100 $88.5M
Qube Research & Technologies Ltd 0.16% Add +64.5% 308,096 $88.5M
Ameriprise Financial Inc. 0.02% Add +53.8% 290,946 $83.3M
Legal & General Group Plc 0.02% Reduce -1.2% 282,684 $81.2M
Baird Financial Group, Inc. 0.15% Reduce -11.8% 270,680 $77.8M
CIBC Private Wealth Group LLC 0.13% Reduce -27.4% 261,896 $75.2M
Dimensional Fund Advisors LP 0.02% Add +1337.3% 233,655 $67.1M
Sei Investments Co. 0.09% Reduce -3.8% 232,061 $66.7M
Citigroup Inc. 0.06% Add +4.3% 221,905 $63.8M
Farallon Capital Management, L.L.C. 0.35% Add +23.9% 220,800 $63.4M
Ninety One North America, Inc. 4.24% Reduce -15.0% 217,307 $62.4M
Renaissance Technologies 0.09% Reduce -6.2% 212,099 $60.9M
Vanguard Group Inc. 0.00% Reduce -10.7% 205,913 $59.2M
Jane Street Group, LLC 0.09% Reduce -23.2% 198,051 $56.9M
Axiom Investors LLC 0.50% Add +15.2% 196,879 $56.6M
Wells Fargo & Company 0.01% Add +13.2% 193,572 $55.6M
TD Asset Management Inc 0.05% Reduce -5.7% 194,400 $55.5M
Canada Pension Plan Investment Board 0.05% Add +3.6% 188,405 $54.1M
Brown Capital Management LLC 1.10% Add +2.1% 177,884 $51.1M
American Capital Management Inc. 1.67% Reduce -57.7% 177,520 $51.0M
Two Creeks Capital Management, LP 3.28% Add +0.8% 173,255 $49.8M
Raymond James & Associates 0.03% Reduce -1.3% 169,496 $48.7M
Natixis Advisors, LLC 0.09% Add +8.4% 166,584 $47.9M
D. E. Shaw & Co. 0.07% Add +107.5% 165,465 $47.5M
Pertento Partners LLP 5.75% Add +5.5% 163,727 $47.0M
Amundi 0.02% Add +58.5% 162,408 $46.7M
TimesSquare Capital Management, LLC 0.70% Reduce -12.9% 161,596 $46.4M
Clark Capital Management Group, Inc. 0.32% Add +2.7% 160,176 $46.0M
California Public Employees Retirement System 0.03% Add +0.1% 159,815 $45.9M
Hudson Edge Investment Partners Inc. 8.45% Add +6.4% 158,659 $45.6M
State of Tennessee, Department of Treasury 0.16% Reduce -2.9% 157,347 $45.2M
Pensioenfonds Rail & Ov 3.05% Add +22.6% 152,774 $43.9M
Kensico Capital Management Corp. 1.15% New 150,000 $43.1M
New York State Common Retirement Fund 0.06% Add +4.6% 147,385 $42.3M
Thornburg Investment Management Inc. 0.54% Add +16.5% 142,928 $41.1M
Macquarie Group Ltd. 0.04% Reduce -16.2% 142,874 $41.0M
Walleye Capital LLC 0.45% Reduce -1.2% 134,006 $38.5M
Brown Brothers Harriman & Co. 0.26% Add +144.5% 133,599 $38.4M
Eagle Health Investments LP 7.24% Reduce -12.6% 130,790 $37.6M
Liontrust Investment Partners LLP 0.53% No change 119,728 $37.5M
Aberdeen Group plc 0.07% Add +3.0% 130,565 $37.3M
Twinbeech Capital LP 0.69% New 126,660 $36.4M
Employees Retirement System of Texas 0.36% Reduce -11.4% 124,100 $35.7M
Orbimed Advisors LLC 0.65% Reduce -28.8% 123,900 $35.6M
Blair William & Co. 0.10% Add +64.0% 123,516 $35.5M
Renaissance Group LLC 1.40% Add +9.8% 118,421 $34.0M
PFM Health Sciences, LP 1.96% No change 116,532 $33.5M
Point72 Asset Management 0.12% Reduce -74.5% 114,278 $32.8M
Bank of New York Mellon Corp 0.01% Reduce -7.3% 111,836 $32.1M
LPL Financial LLC 0.01% Add +4.7% 100,961 $29.0M
Swedbank AB 0.04% Add +4.2% 99,800 $28.7M
Bank of Montreal 0.01% Add +243.6% 99,540 $28.4M

"% of holder's portfolio" is ICLR's weight in each manager's 13F, not the share of Icon PLC the manager owns.

Show all 662 holders