Skip to main content

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 2024

Institutional positions in Icon PLC as of Mar 31, 2024. 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
648
+49 vs. Q4 2023
Shares held
78.0M
−1.07M (−1.4%) vs. Q4 2023
Total value
$26.1B
+$4.10B (+18.6%) vs. Q4 2023
New holders
98
218 more added
Sold out
49
234 more reduced

4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 648 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 2024: $26.1B
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 2024

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q4 2023.

Institutions holding ICLR in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Bleakley Financial Group, LLC17,118$5.75M0.17%−2,299−11.8%Reduced
Simplicity Wealth,LLC17,118$5.75M0.14%+17,118New
Envestnet Portfolio Solutions, Inc.17,038$5.72M0.02%−1,332−7.3%Reduced
Osborne Partners Capital Management, LLC16,102$5.41M0.33%+490+3.1%Added
Mount Yale Investment Advisors, LLC15,777$5.30M0.41%−848−5.1%Reduced
Westover Capital Advisors, LLC15,773$5.30M1.55%−280−1.7%Reduced
Point72 Europe (London) LLP15,700$5.27M0.49%+15,700New
Los Angeles Capital Management LLC15,557$5.23M0.02%+6,438+70.6%Added
Burney Co15,509$5.21M0.20%−113−0.7%Reduced
Eversept Partners, LP15,347$5.16M0.39%−70−0.5%Reduced
First National Bank of Omaha29,164$5.10M0.35%+23,216+390.3%Added
Dimensional Fund Advisors LP15,160$5.09M0.00%00.0%Unchanged
Altitude Crest Partners Inc.14,800$4.97M2.13%+14,800New
The PNC Financial Services Group, Inc.14,786$4.97M0.00%−488−3.2%Reduced
Papp L Roy & Associates14,780$4.97M0.59%−219−1.5%Reduced
Calamos Advisors LLC14,740$4.95M0.02%+4,910+49.9%Added
Eagle Global Advisors LLC14,524$4.88M0.28%+124+0.9%Added
Jane Street Group, LLC14,433$4.85M0.01%+6,249+76.4%Added
MML Investors Services, LLC14,311$4.81M0.02%−1,624−10.2%Reduced
Utah Retirement Systems14,087$4.73M0.06%00.0%Unchanged
Adage Capital Partners GP, L.L.C.14,000$4.70M0.01%+14,000New
DnB Asset Management AS13,804$4.64M0.02%−56−0.4%Reduced
Lecap Asset Management Ltd13,725$4.61M0.96%+13,725New
Banque Pictet & Cie SA13,170$4.42M0.05%−5,467−29.3%Reduced
Manhattan West Asset Management, LLC13,144$4.42M1.06%+1,343+11.4%Added
Kennedy Capital Management, Inc.12,890$4.33M0.09%+5,094+65.3%Added
Federation des caisses Desjardins du Quebec15,024$4.25M0.03%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.12,610$4.24M0.01%−229−1.8%Reduced
USS Investment Management Ltd12,112$4.07M0.03%+12,112New
Exencial Wealth Advisors, LLC11,976$4.02M0.15%−1,382−10.3%Reduced
Synovus Financial Corp11,912$4.00M0.05%−1,577−11.7%Reduced
Eldred Rock Partners, LLC11,550$3.88M2.11%+471+4.3%Added
SeaBridge Investment Advisors LLC11,100$3.73M0.98%+1,069+10.7%Added
Boothbay Fund Management, LLC10,733$3.61M0.11%+442+4.3%Added
Verdence Capital Advisors LLC10,647$3.58M0.33%−1,453−12.0%Reduced
Advisor Group Holdings, Inc.10,623$3.57M0.01%−40,428−79.2%Reduced
Snowden Capital Advisors LLC10,567$3.55M0.11%−843−7.4%Reduced
Campbell & CO Investment Adviser LLC10,270$3.45M0.30%−8,478−45.2%Reduced
Hardman Johnston Global Advisors LLC9,791$3.29M0.11%+9,791New
Qube Research & Technologies Ltd9,679$3.25M0.01%−5,075−34.4%Reduced
Glenmede Trust Co NA9,676$3.25M0.02%+465+5.0%Added
Regions Financial Corp9,645$3.24M0.02%−328−3.3%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main9,319$3.13M0.00%−20,188−68.4%Reduced
Cumberland Partners Ltd9,285$3.12M0.23%+4,035+76.9%Added
JLB & Associates Inc9,179$3.08M0.41%−1,912−17.2%Reduced
Pettee Investors, Inc.9,101$3.06M1.29%00.0%Unchanged
Shaker Investments LLC9,096$3.06M1.29%+58+0.6%Added
CWM Advisors, LLC8,653$2.91M0.30%−978−10.2%Reduced
Highland Capital Management, LLC8,612$2.89M0.17%00.0%Unchanged
Napean Trading & Investment Co (Singapore) PTE Ltd8,519$2.86M0.70%+8,519New
Thor Investment Management Inc8,469$2.85M2.26%+16+0.2%Added
California State Teachers Retirement System8,406$2.82M0.00%−5,276−38.6%Reduced
Holocene Advisors, LP8,198$2.75M0.01%−23,180−73.9%Reduced
Mitchell Capital Management Co8,048$2.70M0.52%+434+5.7%Added
Sectoral Asset Management Inc7,943$2.67M1.05%−2,260−22.2%Reduced
Rice Hall James & Associates, LLC7,935$2.67M0.15%−2,195−21.7%Reduced
Quadrature Capital Ltd7,795$2.62M0.04%−2,767−26.2%Reduced
Pacific Capital Partners Ltd154,438$2.60M1.70%00.0%Unchanged
Kestra Advisory Services, LLC7,705$2.59M0.02%+121+1.6%Added
Diversified Trust Co7,622$2.56M0.08%−672−8.1%Reduced
Mackenzie Financial Corp7,578$2.55M0.00%+10.0%Added
Atria Investments LLC7,491$2.52M0.03%−217−2.8%Reduced
Engineers Gate Manager LP7,299$2.45M0.06%−21,484−74.6%Reduced
SYSTM Wealth Solutions LLC7,044$2.37M0.30%+151+2.2%Added
Prudential Financial Inc6,911$2.32M0.00%−189−2.7%Reduced
Dynasty Wealth Management, LLC6,891$2.32M0.07%+6,891New
FACT Capital, LP6,830$2.29M0.83%−79,033−92.0%Reduced
Transatlantique Private Wealth LLC6,858$2.28M1.00%+70+1.0%Added
Bangor Savings Bank6,781$2.28M0.23%−774−10.2%Reduced
Diamond Hill Capital Management Inc6,741$2.26M0.01%+2,142+46.6%Added
Pittenger & Anderson Inc6,695$2.25M0.09%+3,860+136.2%Added
Connable Office Inc6,652$2.23M0.25%−223−3.2%Reduced
Live Oak Private Wealth LLC6,633$2.23M0.39%+77+1.2%Added
Fisher Asset Management, LLC6,519$2.19M0.00%−41−0.6%Reduced
Washington Trust Advisors, Inc.6,194$2.08M0.19%−16−0.3%Reduced
Robeco Institutional Asset Management B.V.6,102$2.05M0.00%+35+0.6%Added
Pearl River Capital, LLC6,068$2.04M0.32%+6,068New
GAM Holding AG5,992$2.01M0.15%−230−3.7%Reduced
STRS Ohio5,876$1.97M0.01%+232+4.1%Added
Ethic Inc.5,700$1.91M0.05%+1,336+30.6%Added
Personal Cfo Solutions, LLC5,563$1.87M0.29%−194−3.4%Reduced
Maryland State Retirement & Pension System6,394$1.86M0.04%+173+2.8%Added
Stephens Inc5,454$1.83M0.03%+337+6.6%Added
Park Avenue Securities LLC5,320$1.79M0.02%−132−2.4%Reduced
Tealwood Asset Management Inc5,315$1.79M0.80%−108−2.0%Reduced
Allianz Asset Management GmbH5,298$1.78M0.00%+2,263+74.6%Added
Cullen Investment Group, Ltd.5,464$1.76M0.28%−260−4.5%Reduced
Wealthcare Advisory Partners LLC5,117$1.72M0.06%+5,117New
Mariner, LLC5,052$1.70M0.00%+274+5.7%Added
Redmond Asset Management, LLC4,856$1.63M0.52%+371+8.3%Added
Amalgamated Bank4,704$1.58M0.01%−5,067−51.9%Reduced
Commonwealth Equity Services, LLC4,668$1.57M0.00%+186+4.1%Added
1832 Asset Management L.P.4,632$1.56M0.00%+4,632New
Coldstream Capital Management Inc4,612$1.55M0.04%+242+5.5%Added
Dynamic Technology Lab Private Ltd4,610$1.55M0.17%+4,610New
Buckingham Capital Management, Inc.4,442$1.49M0.18%+831+23.0%Added
Schonfeld Strategic Advisors LLC4,420$1.48M0.01%+3,420+342.0%Added
Danske Bank A/S4,310$1.45M0.00%+4,310New
Montag & Caldwell, LLC4,261$1.43M0.25%+199+4.9%Added
Chartwell Investment Partners, LLC4,190$1.41M0.05%−4,399−51.2%Reduced