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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.

13F holders, Q1 2025

Institutional positions in Icon PLC as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
562
−23 vs. Q4 2024
Shares held
75.8M
−297.4K (−0.4%) vs. Q4 2024
Total value
$13.3B
−$2.68B (−16.8%) vs. Q4 2024
New holders
72
192 more added
Sold out
95
225 more reduced

11 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ICLR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 562 institutions
Q1 2021: 426 institutionsQ2 2021: 449 institutionsQ3 2021: 510 institutionsQ4 2021: 548 institutionsQ1 2022: 512 institutionsQ2 2022: 510 institutionsQ3 2022: 488 institutionsQ4 2022: 531 institutionsQ1 2023: 538 institutionsQ2 2023: 534 institutionsQ3 2023: 556 institutionsQ4 2023: 603 institutionsQ1 2024: 648 institutionsQ2 2024: 676 institutionsQ3 2024: 662 institutionsQ4 2024: 596 institutionsQ1 2025: 562 institutionsQ2 2025: 489 institutionsQ3 2025: 513 institutionsQ4 2025: 514 institutionsQ1 2026: 420 institutionsQ2 2026: 423 institutions
Value heldQ1 2025: $13.3B
Q1 2021: $10.0BQ2 2021: $12.3BQ3 2021: $19.3BQ4 2021: $22.7BQ1 2022: $17.8BQ2 2022: $16.2BQ3 2022: $13.9BQ4 2022: $14.5BQ1 2023: $16.1BQ2 2023: $19.9BQ3 2023: $19.7BQ4 2023: $22.1BQ1 2024: $26.1BQ2 2024: $24.3BQ3 2024: $22.4BQ4 2024: $16.0BQ1 2025: $13.3BQ2 2025: $11.2BQ3 2025: $13.0BQ4 2025: $14.1BQ1 2026: $8.74BQ2 2026: $13.9B
Institutions holding ICLR and their total value by quarter
QuarterHoldersValue
Q2 2026423$13.9B
Q1 2026420$8.74B
Q4 2025514$14.1B
Q3 2025513$13.0B
Q2 2025489$11.2B
Q1 2025562$13.3B
Q4 2024596$16.0B
Q3 2024662$22.4B
Q2 2024676$24.3B
Q1 2024648$26.1B
Q4 2023603$22.1B
Q3 2023556$19.7B
Q2 2023534$19.9B
Q1 2023538$16.1B
Q4 2022531$14.5B
Q3 2022488$13.9B
Q2 2022510$16.2B
Q1 2022512$17.8B
Q4 2021548$22.7B
Q3 2021510$19.3B
Q2 2021449$12.3B
Q1 2021426$10.0B

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2024.

Institutions holding ICLR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
EverSource Wealth Advisors, LLC49$8.57K0.00%−16−24.6%Reduced
Rothschild Investment LLC49$8.57K0.00%00.0%Unchanged
Parkside Financial Bank & Trust49$8.57K0.00%00.0%Unchanged
Kestra Investment Management, LLC45$7.88K0.00%−194−81.2%Reduced
Morton Brown Family Wealth, LLC45$7.88K0.00%00.0%Unchanged
North Capital, Inc.45$7.88K0.01%+45New
Webster Bank, N. A.42$7.35K0.00%00.0%Unchanged
Pin Oak Investment Advisors Inc38$7.00K0.01%00.0%Unchanged
TSFG, LLC42$7.00K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC40$7.00K0.00%00.0%Unchanged
Centricity Wealth Management, LLC38$6.65K0.01%00.0%Unchanged
Fourth Dimension Wealth, LLC38$6.65K0.00%00.0%Unchanged
Bell Investment Advisors, Inc36$6.30K0.00%−3−7.7%Reduced
West Paces Advisors Inc.36$6.30K0.00%00.0%Unchanged
Hexagon Capital Partners LLC24$4.20K0.00%−4−14.3%Reduced
Accent Capital Management, LLC24$4.20K0.00%+24New
Bruce G. Allen Investments, LLC22$3.85K0.00%−14−38.9%Reduced
Medallion Wealth Advisors, LLC23$3.83K0.00%+23New
Ancora Advisors, LLC20$3.50K0.00%00.0%Unchanged
Washington Trust Co20$3.50K0.00%+1+5.3%Added
Flaharty Asset Management, LLC18$3.15K0.00%+18New
Maryland Capital Advisors Inc.16$2.80K0.00%00.0%Unchanged
Truvestments Capital LLC16$2.80K0.00%00.0%Unchanged
Frazier Financial Advisors, LLC16$2.80K0.00%00.0%Unchanged
Cherry Tree Wealth Management, LLC16$2.80K0.00%+16New
Continuum Advisory, LLC15$2.63K0.00%+2+15.4%Added
AdvisorNet Financial, Inc14$2.45K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC14$2.45K0.00%00.0%Unchanged
Beacon Capital Management, LLC14$2.45K0.00%+3+27.3%Added
Sunbelt Securities, Inc.14$2.45K0.00%+14New
Smartleaf Asset Management LLC13$2.33K0.00%−4−23.5%Reduced
Caldwell Sutter Capital, Inc.12$2.10K0.00%00.0%Unchanged
NewSquare Capital LLC12$2.10K0.00%+12New
St Germain D J Co Inc11$1.93K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC11$1.93K0.00%00.0%Unchanged
HighMark Wealth Management LLC10$1.75K0.00%00.0%Unchanged
SBI Securities Co., Ltd.9$1.57K0.00%+3+50.0%Added
Provenance Wealth Advisors, LLC8$1.40K0.00%00.0%Unchanged
Creative Financial Designs Inc7$1.23K0.00%−9−56.3%Reduced
Aventura Private Wealth, LLC7$1.23K0.00%00.0%Unchanged
WPG Advisers, LLC6$1.05K0.00%−18−75.0%Reduced
Kayne Anderson Rudnick Investment Management LLC6$1.05K0.00%00.0%Unchanged
Kiker Wealth Management, LLC5$8750.00%+5New
Carolinas Wealth Consulting LLC4$7060.00%00.0%Unchanged
JFS Wealth Advisors, LLC4$7000.00%00.0%Unchanged
Golden State Wealth Management, LLC4$7000.00%00.0%Unchanged
Country Trust Bank4$7000.00%+4New
Pacifica Partners Inc.4$6540.00%+4New
Glen Eagle Advisors, LLC4$6400.00%00.0%Unchanged
Park Square Financial Group, LLC3$5250.00%−37−92.5%Reduced
Global Financial Private Client, LLC3$5250.00%+2+200.0%Added
Blume Capital Management, Inc.3$5250.00%+3New
Mowery & Schoenfeld Wealth Management, LLC3$5250.00%+3New
Rakuten Securities, Inc.2$3500.00%−88−97.8%Reduced
True Wealth Design, LLC2$3500.00%00.0%Unchanged
TD Capital Management LLC2$3500.00%00.0%Unchanged
First Command Advisory Services, Inc.2$3500.00%+2New
CoreCap Advisors, LLC1$1750.00%−28−96.6%Reduced
Caitong International Asset Management Co., Ltd1$1750.00%+1New
Perkins Coie Trust Co1$1740.00%+1New
Hemington Wealth Management4$00.00%−1−20.0%Reduced
Transamerica Financial Advisors, Inc.1––−401−99.8%Reduced
Proequities, Inc.0$00.00%−179−100.0%Sold out
BlueSpruce Investments, LP0$00.00%−1,223,117−100.0%Sold out
Victory Capital Management Inc0$00.00%−1,060,320−100.0%Sold out
AustralianSuper Pty Ltd0$00.00%−599,952−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−271,065−100.0%Sold out
Orbis Allan Gray Ltd0$00.00%−244,857−100.0%Sold out
Woodline Partners LP0$00.00%−193,982−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−151,343−100.0%Sold out
Clark Capital Management Group, Inc.0$00.00%−103,318−100.0%Sold out
Marshall Wace, LLP0$00.00%−88,739−100.0%Sold out
Hardman Johnston Global Advisors LLC0$00.00%−60,306−100.0%Sold out
Premier Fund Managers Ltd0$00.00%−52,359−100.0%Sold out
Globeflex Capital L P0$00.00%−48,363−100.0%Sold out
Barlow Wealth Partners, Inc.0$00.00%−46,359−100.0%Sold out
Capital Fund Management S.A.0$00.00%−35,227−100.0%Sold out
Montanaro Asset Management Ltd0$00.00%−31,700−100.0%Sold out
Retirement Systems of Alabama0$00.00%−26,653−100.0%Sold out
Mizuho Markets Americas LLC0$00.00%−22,692−100.0%Sold out
Artemis Investment Management LLP0$00.00%−21,005−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−19,677−100.0%Sold out
Banque Pictet & Cie SA0$00.00%−16,465−100.0%Sold out
Parkman Healthcare Partners LLC0$00.00%−15,874−100.0%Sold out
Meridiem Capital Partners LP0$00.00%−14,739−100.0%Sold out
SGL Investment Advisors, Inc.0$00.00%−16,172−100.0%Sold out
Pacific Capital Partners Ltd0$00.00%−10,618−100.0%Sold out
Cumberland Partners Ltd0$00.00%−10,470−100.0%Sold out
Cynosure Management, LLC0$00.00%−10,358−100.0%Sold out
Mitchell Capital Management Co0$00.00%−7,658−100.0%Sold out
Richard P Slaughter Associates Inc0$00.00%−6,865−100.0%Sold out
GAM Holding AG0$00.00%−5,584−100.0%Sold out
BNP PARIBAS ASSET MANAGEMENT Holding S.A.0$00.00%−5,508−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−4,904−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−4,703−100.0%Sold out
JLB & Associates Inc0$00.00%−4,256−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−4,013−100.0%Sold out
Montag & Caldwell, LLC0$00.00%−2,670−100.0%Sold out
PEAK6 LLC0$00.00%−2,609−100.0%Sold out
Yorktown Management & Research Co Inc0$00.00%−2,450−100.0%Sold out