IconICLR

13F holders, Q1 2024 (March 31)
646holders
8famous investors
$334.93avg. 13F price*

At the end of Q1 2024, 646 institutions reported holding Icon PLC (ICLR) in their 13F filings. The largest holders were WCM Investment Management, LLC ($2.3B), Massachusetts Financial Services Co. ($1.8B) and Wellington Management Group LLP ($1.1B). 8 famous investors held it, including Ron Baron (0.9% of Baron Capital (BAMCO)'s portfolio), Ken Griffin (0.3% of Citadel Advisors's portfolio) and Israel Englander (0.2% of Millennium Management'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 Q1 2024

InstitutionsTotal Value
New Positions90$394.6M
Exits45$95.0M

Ownership 646 holders

WCM Investment Management, LLC 5.36% Reduce -2.2% 6,717,813 $2.3B
Massachusetts Financial Services Co. 0.53% Reduce -4.0% 5,313,457 $1.8B
Wellington Management Group LLP 0.19% Reduce -6.1% 3,217,442 $1.1B
Ninety One UK Ltd 2.50% Add +2.0% 2,645,811 $888.9M
Boston Partners 1.05% Reduce -1.6% 2,628,805 $881.4M
Lazard Asset Management LLC 1.15% Reduce -6.0% 2,594,559 $871.6M
FMR LLC 0.05% Reduce -23.9% 2,302,310 $773.5M
Capital Research Global Investors 0.17% Reduce -13.8% 2,200,417 $739.2M
BlackRock Inc. 0.01% Add +3.2% 1,864,083 $626.2M
Invesco Ltd. 0.13% Reduce -6.4% 1,840,033 $618.2M
T. Rowe Price Associates Inc. 0.07% Add +14.3% 1,743,683 $585.8M
Clearbridge Investments, LLC 0.45% Add +26.8% 1,674,727 $562.6M
Alliancebernstein L.P. 0.18% Reduce -4.0% 1,474,610 $495.4M
Comgest Global Investors S.A.S. 6.74% Reduce -6.6% 1,441,318 $484.2M
Franklin Resources Inc. 0.15% Reduce -18.4% 1,374,430 $461.7M
BlueSpruce Investments, LP 7.70% Add +43.6% 1,281,244 $430.4M
Sustainable Growth Advisers, LP 1.71% Reduce -6.9% 1,214,812 $408.1M
Janus Henderson Group PLC 0.22% Add +39.5% 1,176,749 $395.4M
William Blair Investment Management, LLC 1.00% Add +0.3% 1,147,970 $385.7M
State Street Corp. 0.02% Add +5.2% 1,103,133 $370.6M
Polen Capital Management LLC 0.85% Reduce -7.9% 1,098,219 $368.9M
Victory Capital Management Inc. 0.34% Add +7.9% 1,020,585 $342.9M
American Century Companies Inc. 0.21% Reduce -29.6% 985,155 $331.0M
Baron Capital (BAMCO) 0.87% Reduce -1.8% 969,991 $325.9M
Bank of America Corp. 0.03% Reduce -11.9% 900,179 $302.4M
Citadel Advisors 0.29% Add +2.9% 886,207 $297.7M
JPMorgan Chase & Co. 0.03% Reduce -8.6% 881,368 $296.1M
FIL Ltd 0.27% Reduce -17.7% 811,726 $272.7M
Neuberger Berman Group LLC 0.22% Reduce -7.6% 792,442 $266.2M
Norges Bank 0.04% Add +35.2% 740,968 $248.9M
Bessemer Group Inc. 0.45% Add +60.6% 737,235 $247.7M
Trinity Street Asset Management LLP 19.79% Add +2.3% 736,385 $247.4M
Goldman Sachs Group Inc. 0.05% Reduce -6.6% 691,243 $232.2M
Northern Trust Corp. 0.04% Add +1.1% 630,265 $211.7M
Millennium Management 0.18% Reduce -11.0% 603,276 $202.7M
Westfield Capital Management Co. LP 0.95% Reduce -3.9% 536,883 $180.4M
Earnest Partners LLC 0.82% Reduce -8.5% 534,861 $179.7M
AustralianSuper Pty Ltd 1.01% No change 522,828 $173.4M
CCLA Investment Management 2.54% Add +0.4% 500,098 $165.4M
Envestnet Asset Management Inc. 0.06% Reduce -0.7% 477,167 $160.3M
Wasatch Advisors LP 0.80% Reduce -16.7% 454,280 $152.6M
Stephens Investment Management Group LLC 2.01% Reduce -0.8% 449,203 $150.9M
Principal Financial Group Inc. 0.09% Reduce -5.6% 445,474 $149.7M
CIBC Private Wealth Group LLC 0.29% Reduce -35.3% 450,299 $149.4M
American Capital Management Inc. 4.74% Reduce -14.2% 439,753 $147.7M
Geode Capital Management, LLC 0.01% Add +4.2% 434,837 $146.1M
First Pacific Advisors, LP 1.68% Reduce -0.1% 350,619 $117.8M
Baird Financial Group, Inc. 0.23% Reduce -23.3% 323,229 $108.6M
Morgan Stanley 0.01% Reduce -31.6% 309,874 $104.1M
Vanguard Group Inc. 0.00% Add +2.3% 296,745 $99.7M
Legal & General Group Plc 0.03% Add +2.9% 284,074 $95.4M
Renaissance Technologies 0.14% Reduce -26.1% 271,058 $91.1M
Ninety One North America, Inc. 4.40% Add +3.9% 269,443 $90.5M
Bank of New York Mellon Corp 0.02% Add +12.4% 253,645 $85.2M
Sei Investments Co. 0.12% Reduce -12.4% 252,884 $85.0M
Natixis Advisors, LLC 0.19% Reduce -6.9% 246,724 $82.9M
Amundi 0.03% Add +0.8% 268,564 $78.4M
Two Creeks Capital Management, LP 4.47% Add +4.3% 230,934 $77.6M
Nuveen Asset Management, LLC 0.02% Add +4.0% 226,978 $76.3M
Ameriprise Financial Inc. 0.02% Reduce -13.5% 214,639 $72.1M
Junto Capital Management LP 1.53% New 205,206 $68.9M
Artemis Investment Management LLP 0.89% Add +110.0% 203,848 $68.5M
TD Asset Management Inc 0.06% Reduce -7.0% 199,053 $66.9M
TimesSquare Capital Management, LLC 0.92% Reduce -7.0% 188,992 $63.5M
D. E. Shaw & Co. 0.09% Add +105.2% 186,207 $62.6M
Canada Pension Plan Investment Board 0.06% Add +22.9% 181,833 $61.1M
Farallon Capital Management, L.L.C. 0.36% New 179,700 $60.4M
New York State Common Retirement Fund 0.08% Reduce -3.9% 179,639 $60.3M
Grandeur Peak Global Advisors, LLC 4.69% Reduce -12.3% 175,688 $59.0M
Orbimed Advisors LLC 1.07% Add +31.7% 174,100 $58.5M
Brown Capital Management LLC 1.03% Reduce -7.9% 174,035 $58.5M
Raymond James & Associates 0.04% Reduce -2.3% 162,789 $54.7M
State of Tennessee, Department of Treasury 0.20% Add +3.0% 160,392 $53.9M
Hudson Edge Investment Partners Inc. 10.13% Add +28.5% 154,520 $51.9M
Woodline Partners LP 0.48% New 153,962 $51.7M
Clark Capital Management Group, Inc. 0.38% Add +1.7% 152,539 $51.2M
Axiom Investors LLC 0.45% Add +0.5% 152,266 $51.2M
California Public Employees Retirement System 0.04% Reduce -3.0% 150,911 $50.7M
Iron Triangle Partners LP 5.24% Reduce -12.6% 150,853 $50.7M
Eagle Health Investments LP 9.58% Reduce -9.4% 149,590 $50.3M
Employees Retirement System of Texas 0.51% Add +33.3% 140,000 $47.0M
Marshall Wace, LLP 0.08% Add +15.1% 139,768 $47.0M
Macquarie Group Ltd. 0.05% Add +330.5% 136,212 $45.8M
Aberdeen Group plc 0.09% Reduce -9.1% 130,562 $43.9M
Wells Fargo & Company 0.01% Add +2.1% 130,328 $43.8M
Pensioenfonds Rail & Ov 3.10% Reduce -28.1% 127,014 $42.7M
Royal Bank of Canada 0.01% Reduce -10.4% 125,516 $42.2M
Renaissance Group LLC 1.57% Add +403.0% 123,335 $41.4M
Thornburg Investment Management Inc. 0.56% Add +7.7% 118,714 $39.9M
Corient Private Wealth LP 0.07% Add +1.8% 116,945 $39.3M
PFM Health Sciences, LP 1.98% Add +13.7% 115,726 $38.9M
Liontrust Investment Partners LLP 0.47% Add +19.7% 100,182 $33.7M
Point72 Asset Management 0.10% New 100,108 $33.6M
Barclays PLC 0.01% Add +10.6% 98,162 $33.0M
Alta Capital Management LLC/ 2.02% Reduce -8.0% 97,373 $32.7M
Polar Capital Holdings Plc 0.17% Add +92.2% 97,090 $32.6M
First Trust Advisors LP 0.03% Reduce -2.7% 96,026 $32.3M
Swedbank AB 0.04% New 92,800 $31.2M
LPL Financial LLC 0.02% Add +3.7% 91,045 $30.6M
Citigroup Inc. 0.03% Add +99.0% 90,999 $30.6M

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

Show all 646 holders