Skip to main content
Livermore
Livermore
ZHEN

Icon PLC

ICLR
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001060955

In the last 90 days, Icon PLC insiders filed 0 open-market purchases and 12 sales; 423 institutions reported holding it in 13F filings for Q2 2026, worth $13.9B in total; superinvestors Harris Associates (Oakmark) and Greenhaven Associates hold it.

Q3 2025 vs. Q2 2025

How the institutions holding Icon PLC changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of ICLR: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders4896513+30
Shares77.0M1.39M74.4M−1.21M (−1.6%)
Value$11.2B$202.6M$13.0B+$2.04B (+18.6%)

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (91)

Institutions that held Icon PLC at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ICLR in Q3 2025
InstitutionSharesValue% of portfolio
Glenview Capital Management, LLC371,418$65.0M1.58%
Altrinsic Global Advisors LLC303,408$53.1M1.96%
Capital World Investors228,384$40.0M0.01%
Perry Creek Capital LP95,000$16.6M9.63%
Evergreen Quality Fund GP, Ltd.84,700$14.8M0.33%
Philosophy Capital Management LLC79,634$13.9M1.61%
Muhlenkamp & Co Inc73,467$12.9M3.49%
Arvin Capital Management LP71,675$12.5M2.90%
Kelly Lawrence W & Associates Inc60,256$10.5M2.56%
Twinbeech Capital LP54,007$9.45M0.37%
AXA Investment Managers S.A.51,461$9.01M0.02%
Keystone Investors Pte Ltd33,526$5.87M0.68%
Sector Gamma AS24,967$4.37M1.08%
Bellevue Group AG24,247$4.24M0.09%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main20,766$3.63M0.00%
D.A. Davidson & Co.19,557$3.42M0.02%
Susquehanna International Group, LLP16,392$2.87M0.00%
SeaBridge Investment Advisors LLC14,795$2.59M0.42%
Banque Pictet & Cie SA13,915$2.44M0.02%
Prescott Group Capital Management, L.L.C.12,253$2.14M0.23%
EFG Asset Management (North America) Corp.11,336$1.98M0.26%
Lighthouse Investment Partners, LLC10,000$1.75M0.06%
Rothschild Investment LLC9,885$1.73M0.10%
Mitchell Capital Management Co9,297$1.63M0.28%
Capital International Sarl8,492$1.49M0.03%
Maridea Wealth Management LLC7,813$1.47M0.23%
Centiva Capital, LP8,047$1.41M0.13%
Y-Intercept (Hong Kong) Ltd7,668$1.34M0.03%
EFG Asset Management (Americas) Corp.7,075$1.24M0.21%
CM Management, LLC7,000$1.23M1.02%
Quantessence Capital LLC5,261$920.7K0.29%
Quantitative Investment Management, LLC4,808$841.0K0.12%
Dynamic Technology Lab Private Ltd4,553$797.0K0.13%
Capital International Ltd4,371$764.9K0.03%
Rockefeller Capital Management L.P.3,714$650.2K0.00%
Capital International Inc2,813$492.3K0.00%
Vinva Investment Management Ltd1,900$472.2K0.01%
Point72 Asia (Singapore) Pte. Ltd.2,657$465.0K0.07%
Optimize Financial Inc2,429$425.1K0.22%
Virtus Family Office LLC2,354$411.9K0.39%
Dana Investment Advisors, Inc.2,301$402.7K0.01%
Voya Investment Management LLC2,245$392.9K0.00%
Legacy Advisors, LLC2,200$385.0K0.05%
Gsa Capital Partners LLP2,124$372.0K0.03%
MML Investors Services, LLC1,731$302.9K0.00%
First Trust Advisors LP1,627$284.7K0.00%
Pinnacle Wealth Management Advisory Group, LLC1,624$284.2K0.02%
Bayesian Capital Management, LP1,600$280.0K0.06%
First National Bank of Hutchinson1,515$265.1K0.14%
Allianz Asset Management GmbH1,500$262.5K0.00%
Delta Investment Management, LLC1,425$249.4K0.04%
New Wave Wealth Advisors LLC1,407$246.2K0.10%
BayBridge Capital Group, LLC1,397$244.5K0.16%
First Horizon Corp1,377$241.0K0.01%
Clifford Swan Investment Counsel LLC1,360$238.0K0.01%
Resonant Capital Advisors, LLC1,314$229.9K0.01%
Wealth Enhancement Advisory Services, LLC1,231$229.9K0.00%
CWA Asset Management Group, LLC1,278$223.7K0.01%
Foster Victor Wealth Advisors, LLC1,127$218.5K0.01%
Frank, Rimerman Advisors LLC1,226$214.6K0.01%
Farallon Capital Management, L.L.C.1,200$210.0K0.00%
Mercer Global Advisors Inc1,181$206.7K0.00%
PUREfi Wealth, LLC1,156$202.3K0.16%
Penobscot Investment Management Company, Inc.1,150$201.3K0.02%
Hardy Reed LLC1,144$200.2K0.01%
Point72 (DIFC) Ltd1,075$188.0K0.01%
Smithfield Trust Co559$99.0K0.00%
Quadrant Capital Group LLC447$78.2K0.00%
Johnson Financial Group, Inc.408$71.4K0.00%
Pilgrim Partners Asia Pte Ltd360$63.0K0.03%
Ameriflex Group, Inc.188$32.9K0.01%
Mather Group, LLC.120$21.0K0.00%
Manchester Capital Management LLC100$17.5K0.00%
JPL Wealth Management, LLC100$17.5K0.00%
Proffitt & Goodson Inc60$10.5K0.00%
Measured Wealth Private Client Group, LLC60$10.5K0.00%
Quent Capital, LLC55$9.63K0.00%
Cape Investment Advisory, Inc.46$8.05K0.01%
Wealthspire Advisors, LLC45$7.88K0.00%
Grey Fox Wealth Advisors, LLC27$4.72K0.00%
Eastern Bank25$4.38K0.00%
Colonial Trust Co23$3.76K0.00%
Heartwood Wealth Advisors LLC21$3.67K0.00%
Sunbelt Securities, Inc.18$3.15K0.00%
UMA Financial Services, Inc.12$2.10K0.00%
Root Financial Partners, LLC11$1.93K0.00%
Guerra Advisors Inc4$7000.00%
Turning Point Benefit Group, Inc.3$5760.00%
Bay Harbor Wealth Management, LLC1$1750.00%
New Millennium Group LLC1$1750.00%
Cloud Capital Management, LLC1$00.00%

Sold out (61)

Institutions that held Icon PLC at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of ICLR in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Comgest Global Investors S.A.S.1,064,884$154.9M
Balyasny Asset Management LLC651,868$94.8M
Cantillon Capital Management LLC465,197$67.7M
Baupost Group LLCSuperinvestorBaupost Group405,000$58.9M
Renaissance Technologies LLC324,824$47.2M
Mawer Investment Management Ltd.265,985$38.7M
Iron Triangle Partners LP250,000$36.4M
Mak Capital One LLC184,087$26.8M
Cubist Systematic Strategies, LLC136,314$19.8M
HRT Financial LP104,095$15.1M
Sands Capital Management, LLC91,550$13.3M
AXA S.A.57,830$8.41M
M&G Plc57,399$8.32M
Parnassus Investments53,539$7.79M
Adage Capital Partners GP, L.L.C.36,235$5.27M
Quadrature Capital Ltd35,333$5.14M
Headlands Technologies LLC33,780$4.91M
Quantbot Technologies LP29,860$4.34M
Napean Trading & Investment Co (Singapore) PTE Ltd23,313$3.39M
LRT Capital Management, LLC21,601$3.14M
Royal London Asset Management Ltd20,488$2.98M
Taikang Asset Management (Hong Kong) Co Ltd14,202$2.07M
Cinctive Capital Management LP12,138$1.77M
Dark Forest Capital Management LP10,539$1.53M
Aquatic Capital Management LLC9,380$1.36M
Eqis Capital Management, Inc.5,065$736.6K
Dynasty Wealth Management, LLC4,452$647.6K
Maverick Capital LtdSuperinvestorMaverick Capital4,301$625.6K
Robeco Institutional Asset Management B.V.3,179$462.4K
Banque Cantonale Vaudoise2,825$411.0K
Baird Financial Group, Inc.2,470$359.3K
Farringdon Capital, Ltd.2,245$326.5K
Wahed Invest LLC2,236$325.2K
Laffer Tengler Investments2,100$305.4K
Birch Financial Group, LLC2,063$300.1K
TownSquare Capital, LLC1,814$263.8K
Wolverine Trading, LLC1,787$258.3K
Whittier Trust Co1,769$257.3K
Winton Group Ltd1,747$254.1K
MQS Management LLC1,620$235.6K
First National Bank Sioux Falls1,580$229.8K
Hayek Kallen Investment Management1,465$213.0K
Envestnet Portfolio Solutions, Inc.1,454$211.5K
Pacer Advisors, Inc.718$104.4K
Skopos Labs, Inc.433$63.0K
Ameritas Advisory Services, LLC331$48.1K
Whittier Trust Co of Nevada Inc298$43.3K
Clear Street Markets LLC115$16.7K
Promus Capital, LLC93$13.5K
Sierra Ocean, LLC89$12.9K
Central Trust Co67$9.75K
Whipplewood Advisors, LLC67$9.75K
Kestra Investment Management, LLC45$7.88K
TSFG, LLC42$6.00K
Riggs Asset Managment Co. Inc.31$4.51K
Accent Capital Management, LLC24$3.49K
Hilltop National Bank20$2.91K
Truvestments Capital LLC16$2.33K
Beacon Capital Management, LLC11$1.60K
Kiker Wealth Management, LLC5$727
Park Square Financial Group, LLC3$436

Not filed for Q3 2025 yet (6)

Institutions that held Icon PLC at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ICLR in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank1,090,679$158.6M
Camber Capital Management LP300,000$43.6M
Avantax Advisory Services, Inc.1,747$254.1K
First Horizon Advisors, Inc.247$35.9K
Centricity Wealth Management, LLC38$5.53K
Oliver Lagore Vanvalin Investment Group6$1.05K