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.

Q4 2025 vs. Q3 2025

How the institutions holding Icon PLC changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ICLR: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders51311514+12
Shares74.4M229.4K77.4M+3.18M (+4.3%)
Value$13.0B$40.1M$14.1B+$1.12B (+8.6%)

11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (84)

Institutions that held Icon PLC at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ICLR in Q4 2025
InstitutionSharesValue% of portfolio
Lyrical Asset Management LP967,961$176.4M2.49%
Norges Bank878,462$160.1M0.02%
Kempen Capital Management N.V.743,548$135.5M1.16%
Jennison Associates LLC677,981$123.5M0.07%
Samlyn Capital, LLC337,681$61.5M0.98%
Thrivent Financial for Lutherans283,502$51.7M0.09%
Nomura Asset Management International Inc.270,059$49.2M0.07%
Ilex Capital Partners (UK) LLP211,898$38.6M1.09%
Sio Capital Management, LLC127,202$23.2M3.84%
Balyasny Asset Management LLC75,528$13.8M0.03%
Braidwell LP73,370$13.4M0.43%
Kingdon Capital Management, L.L.C.50,600$9.22M1.41%
Avidity Partners Management LP33,100$6.03M1.74%
Timber Creek Capital Management LLC30,985$5.65M1.31%
Calamos Advisors LLC26,500$4.83M0.02%
Oversea-Chinese Banking CORP Ltd16,248$2.96M0.08%
Hotchkis & Wiley Capital Management LLC11,200$2.04M0.01%
HSBC Holdings PLC11,028$2.01M0.00%
Schroder Investment Management Group9,294$1.70M0.00%
Heartland Advisors Inc8,058$1.47M0.08%
Irenic Capital Management LP8,000$1.46M0.19%
Huber Capital Management LLC6,760$1.23M0.18%
Capital Group Investment Management Pte. Ltd.6,478$1.18M0.19%
Entropy Technologies, LP6,270$1.14M0.06%
Aso Group Ltd5,482$999.0K0.39%
Henshaw Capital LLC4,734$862.6K0.03%
CenterBook Partners LP4,054$738.7K0.04%
Vise Technologies, Inc.3,632$661.8K0.01%
Group One Trading, L.P.3,577$651.8K0.02%
Storgate, LLC3,527$642.7K0.53%
Investment Insight Wealth Management, LLC3,152$574.4K0.56%
Quantinno Capital Management LP2,754$502.0K0.00%
Mount Yale Investment Advisors, LLC2,672$486.9K0.02%
Qsemble Capital Management, LP2,659$484.5K0.04%
Persistent Asset Partners Ltd2,474$450.8K0.22%
Miller Global Investments, LLC2,316$422.0K0.38%
Forum Financial Management, LP2,078$378.7K0.00%
Advisortrust Partners, LLC2,033$370.5K0.16%
Pavaki Capital Management LLC1,800$328.0K0.23%
Leonteq Securities AG1,795$327.1K0.02%
Skopos Labs, Inc.1,693$308.7K0.01%
AQR Capital Management LLC1,689$307.7K0.00%
Concurrent Investment Advisors, LLC1,584$288.6K0.00%
Simplify Asset Management Inc.1,555$283.4K0.00%
Tandem Investment Advisors, Inc.1,379$251.3K0.01%
Callan Family Office, LLC1,364$248.5K0.01%
Guggenheim Capital LLC1,338$243.8K0.00%
AlphaCentric Advisors LLC1,295$236.0K0.24%
United Capital Financial Advisers, LLC1,258$229.2K0.00%
Glenmede Trust Co NA1,176$214.3K0.00%
Warren Averett Asset Management, LLC1,156$210.6K0.00%
David Loasby1,161$209.2K0.01%
Quantbot Technologies LP806$146.9K0.00%
Basecamp Wealth Advisors LLC323$58.9K0.01%
Abound Financial, LLC299$54.5K0.02%
Toth Financial Advisory Corp150$27.3K0.00%
EFG International AG150$27.3K0.00%
Flagship Harbor Advisors, LLC100$18.2K0.00%
Walsh & Associates, LLC100$18.2K0.02%
HM Payson & Co79$14.4K0.00%
Purpose Unlimited Inc.59$10.7K0.00%
Park Square Financial Group, LLC28$5.87K0.03%
Transce3nd, LLC29$5.45K0.04%
Optima Capital LLC24$4.37K0.00%
J.Safra Asset Management Corp23$4.19K0.00%
Acumen Wealth Advisors, LLC22$4.01K0.00%
Hallmark Capital Management Inc21$3.83K0.00%
Tucker Asset Management LLC21$3.83K0.00%
South State Corp.17$3.10K0.00%
Cornerstone Financial Management LLC16$2.92K0.00%
JFS Wealth Advisors, LLC15$2.73K0.00%
Merrithew & Thorsten Inc14$2.00K0.00%
Keating Financial Advisory Services, Inc.10$1.82K0.00%
Pinnacle Wealth Planning Services, Inc.8$1.46K0.00%
Signature Equity Partners, LLC6$1.02K0.00%
SJS Investment Consulting Inc.5$9120.00%
DiNuzzo Private Wealth, Inc.5$9120.00%
Independence Bank of Kentucky4$7290.00%
Central Trust Co2$3650.00%
Rialto Wealth Management, LLC2$3650.00%
1015 Capital Partners, LLC2$3640.00%
Seneschal Advisors, LLC1$1830.00%
Prosperity Bancshares Inc1$1820.00%
Godfrey Financial Associates, Inc.1$1820.00%

Sold out (72)

Institutions that held Icon PLC at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ICLR in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Glenview Capital Management, LLC371,418$65.0M
Millennium Management LLC222,181$38.9M
Alyeska Investment Group, L.P.174,074$30.5M
Capital Research Global Investors164,563$28.8M
Price T Rowe Associates Inc117,334$20.5M
Boone Capital Management LLC95,832$16.8M
Evergreen Quality Fund GP, Ltd.84,700$14.8M
Walter Public Investments Inc.80,757$14.1M
T. Rowe Price Investment Management, Inc.60,669$10.6M
Twinbeech Capital LP54,007$9.45M
Sector Gamma AS24,967$4.37M
Engineers Gate Manager LP22,808$3.99M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main20,766$3.63M
TT International Asset Management LTD41,290$3.46M
Susquehanna International Group, LLP16,392$2.87M
Lighthouse Investment Partners, LLC10,000$1.75M
Mitchell Capital Management Co9,297$1.63M
Centiva Capital, LP8,047$1.41M
Magnetar Financial LLC7,903$1.38M
Y-Intercept (Hong Kong) Ltd7,668$1.34M
CM Management, LLC7,000$1.23M
Tema ETFs LLC6,429$1.13M
Oddo BHF Asset Management SAS5,701$997.7K
Squarepoint Ops LLC5,689$995.6K
Quantessence Capital LLC5,261$920.7K
Brighton Jones LLC5,250$918.8K
Dynamic Technology Lab Private Ltd4,553$797.0K
Jump Financial, LLC3,520$616.0K
Brave Warrior Advisors, LLC3,000$525.0K
Vinva Investment Management Ltd1,900$472.2K
Jain Global LLC2,187$382.7K
Kovitz Investment Group Partners, LLC2,183$382.0K
Gsa Capital Partners LLP2,124$372.0K
Graham Capital Management, L.P.2,009$351.6K
Pitcairn Co1,959$342.8K
Equitable Trust Co1,635$286.1K
Bayesian Capital Management, LP1,600$280.0K
First National Bank of Hutchinson1,515$265.1K
Allianz Asset Management GmbH1,500$262.5K
Delta Investment Management, LLC1,425$249.4K
Snowden Capital Advisors LLC1,344$235.2K
WSFS Capital Management, LLC1,280$224.0K
CWA Asset Management Group, LLC1,278$223.7K
Peapack Gladstone Financial Corp1,274$223.0K
Mercer Global Advisors Inc1,181$206.7K
PUREfi Wealth, LLC1,156$202.3K
Principal Securities, Inc.1,006$176.1K
Simplex Trading, LLC1,000$175.0K
Icon Wealth Advisors, LLC950$166.3K
Peregrine Capital Management LLC525$91.9K
Mirae Asset Global ETFs Holdings Ltd.561$91.7K
Johnson Financial Group, Inc.408$71.4K
Ramirez Asset Management, Inc.400$70.0K
Pilgrim Partners Asia Pte Ltd360$63.0K
Caitong International Asset Management Co., Ltd196$34.3K
Mather Group, LLC.120$21.0K
Stephenson National Bank & Trust110$19.3K
Manchester Capital Management LLC100$17.5K
JPL Wealth Management, LLC100$17.5K
Proffitt & Goodson Inc60$10.5K
Measured Wealth Private Client Group, LLC60$10.5K
Pinnacle Bancorp, Inc.50$8.75K
North Capital, Inc.46$8.05K
Wealthspire Advisors, LLC45$7.88K
Grey Fox Wealth Advisors, LLC27$4.72K
Eastern Bank25$4.38K
Colonial Trust Co23$3.76K
Heartwood Wealth Advisors LLC21$3.67K
TD Private Client Wealth LLC5$875
Glen Eagle Advisors, LLC4$641
New Millennium Group LLC1$175
Cloud Capital Management, LLC1$0

Not filed for Q4 2025 yet (11)

Institutions that held Icon PLC at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ICLR in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Coho Partners, Ltd.152,503$26.7M
AXA Investment Managers S.A.51,461$9.01M
EFG Asset Management (North America) Corp.11,336$1.98M
EFG Asset Management (Americas) Corp.7,075$1.24M
Point72 Asia (Singapore) Pte. Ltd.2,657$465.0K
Fullcircle Wealth LLC1,636$266.6K
Glenmede Investment Management, LP1,519$265.8K
Point72 (DIFC) Ltd1,075$188.0K
Binnacle Investments Inc104$18.2K
Guerra Advisors Inc4$700
Hemington Wealth Management2$0