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 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
Squarepoint Ops LLC6,261$1.10M0.00%+6,261New
Sanctuary Advisors, LLC6,327$1.11M0.01%−2,963−31.9%Reduced
Wasatch Advisors Inc6,443$1.13M0.01%+666+11.5%Added
VestGen Advisors, LLC6,524$1.14M0.05%+6,524New
MidWestOne Financial Group, Inc.6,593$1.15M0.16%+6,593New
Entropy Technologies, LP6,874$1.20M0.12%+700+11.3%Added
Polar Asset Management Partners Inc.6,954$1.22M0.04%+6,954New
Rhenman & Partners Asset Management AB7,000$1.22M0.14%+7,000New
Channel Wealth LLC7,119$1.25M0.39%+1,233+20.9%Added
Raiffeisen Bank International AG7,000$1.25M0.02%+2,000+40.0%Added
Buckhead Capital Management LLC7,192$1.26M0.40%+7,192New
Highland Capital Management, LLC7,198$1.26M0.08%−550−7.1%Reduced
Delta Global Management LP7,245$1.27M0.09%+7,245New
Verdence Capital Advisors LLC7,454$1.30M0.10%−5,196−41.1%Reduced
Graham Capital Management, L.P.7,766$1.36M0.04%+1,368+21.4%Added
Arkadios Wealth Advisors7,828$1.37M0.05%+6,666+573.7%Added
Mount Yale Investment Advisors, LLC7,933$1.39M0.12%+97+1.2%Added
Avantax Advisory Services, Inc.7,944$1.39M0.01%−1,373−14.7%Reduced
Papp L Roy & Associates7,976$1.40M0.17%−507−6.0%Reduced
HRT Financial LP8,035$1.41M0.01%−186−2.3%Reduced
Snowden Capital Advisors LLC8,047$1.41M0.05%−298−3.6%Reduced
Westover Capital Advisors, LLC8,171$1.43M0.32%−6,722−45.1%Reduced
Littlejohn Financial Services, Inc.8,462$1.48M1.17%+8,462New
Zions Bancorporation, National Association8,840$1.55M0.10%+8,840New
Pettee Investors, Inc.9,101$1.59M0.95%00.0%Unchanged
Thor Investment Management Inc9,129$1.60M1.17%+522+6.1%Added
XTX Topco Ltd9,158$1.60M0.08%+9,158New
Utah Retirement Systems9,187$1.61M0.02%00.0%Unchanged
Advisor Group Holdings, Inc.9,286$1.62M0.00%+2,059+28.5%Added
Live Oak Private Wealth LLC9,363$1.64M0.27%+870+10.2%Added
Glenmede Trust Co NA9,544$1.67M0.01%−220−2.3%Reduced
Headlands Technologies LLC9,856$1.72M0.20%+6,261+174.2%Added
Quartz Partners, LLC10,027$1.75M1.07%+5,229+109.0%Added
CWM Advisors, LLC10,329$1.81M0.21%+2,170+26.6%Added
CenterBook Partners LP10,742$1.88M0.12%−18,274−63.0%Reduced
Eversept Partners, LP10,840$1.90M0.21%−8,412−43.7%Reduced
Henry James International Management, Inc.10,840$1.90M0.65%+40.0%Added
Brinker Capital Investments, LLC11,021$1.93M0.02%−9,685−46.8%Reduced
Orion Portfolio Solutions, LLC11,021$1.93M0.02%−9,685−46.8%Reduced
Trexquant Investment LP11,040$1.93M0.02%+11,040New
Verition Fund Management LLC11,594$2.03M0.01%+11,594New
Susquehanna International Group, LLP11,731$2.05M0.00%−16,107−57.9%Reduced
MML Investors Services, LLC11,872$2.08M0.01%−5,049−29.8%Reduced
Schonfeld Strategic Advisors LLC11,892$2.08M0.01%+11,892New
Atria Investments LLC12,216$2.14M0.03%+2,593+26.9%Added
Eagle Global Advisors LLC12,224$2.14M0.09%−2,300−15.8%Reduced
TownSquare Capital, LLC12,771$2.23M0.02%−5,092−28.5%Reduced
LRT Capital Management, LLC13,830$2.42M1.66%+10,357+298.2%Added
Brant Point Investment Management LLC14,000$2.45M0.60%00.0%Unchanged
Federation des caisses Desjardins du Quebec14,016$2.45M0.01%+1,379+10.9%Added
SG Americas Securities, LLC14,219$2.49M0.01%+11,440+411.7%Added
Exencial Wealth Advisors, LLC14,380$2.52M0.09%+1,479+11.5%Added
The PNC Financial Services Group, Inc.14,411$2.52M0.00%−528−3.5%Reduced
Bessemer Group Inc15,638$2.74M0.00%−795,062−98.1%Reduced
Manhattan West Asset Management, LLC16,640$2.91M0.74%+3,483+26.5%Added
Azimuth Capital Investment Management LLC16,815$2.94M0.12%−1,307−7.2%Reduced
Truist Financial Corp17,667$3.09M0.00%+151+0.9%Added
Banque de Luxembourg S.A.17,713$3.10M1.77%−1,025−5.5%Reduced
Oppenheimer Asset Management Inc.17,842$3.12M0.04%−1,996−10.1%Reduced
Equitable Trust Co18,072$3.16M0.18%−242−1.3%Reduced
Integrated Wealth Concepts LLC18,670$3.27M0.04%+16,911+961.4%Added
Welch & Forbes LLC19,280$3.37M0.04%−25−0.1%Reduced
Jain Global LLC19,654$3.44M0.07%+14,325+268.8%Added
Sterling Capital Management LLC19,733$3.45M0.05%−2,095−9.6%Reduced
HighTower Advisors, LLC19,979$3.50M0.00%−3,485−14.9%Reduced
Janney Montgomery Scott LLC20,163$3.53M0.01%−743−3.6%Reduced
Baird Financial Group, Inc.20,271$3.55M0.01%−164,334−89.0%Reduced
Cetera Investment Advisers21,046$3.68M0.01%−5,274−20.0%Reduced
Man Group plc21,070$3.69M0.01%−5,646−21.1%Reduced
Bank Julius Baer & Co. Ltd, Zurich21,489$3.76M0.01%−52,149−70.8%Reduced
TD Asset Management Inc21,928$3.84M0.00%−1,659−7.0%Reduced
Hunter Perkins Capital Management, LLC22,302$3.90M0.91%+763+3.5%Added
Romano Brothers and Company23,185$4.06M0.52%+2,050+9.7%Added
Daiwa Securities Group Inc.23,599$4.13M0.02%+489+2.1%Added
Kennedy Capital Management, Inc.24,103$4.22M0.10%−1,525−6.0%Reduced
Blair William & Co24,378$4.27M0.01%−3,696−13.2%Reduced
Deutsche Bank AG24,686$4.32M0.00%−10,249−29.3%Reduced
UBS Asset Management Americas Inc24,707$4.32M0.00%+188+0.8%Added
Charles Schwab Investment Management Inc24,942$4.36M0.00%+4,824+24.0%Added
Quantitative Investment Management, LLC25,068$4.39M0.40%+1,311+5.5%Added
Sumitomo Mitsui Trust Holdings, Inc.25,842$4.52M0.00%+219+0.9%Added
Handelsbanken Fonder AB25,905$4.53M0.02%+5,229+25.3%Added
Robeco Schweiz AG26,072$4.56M0.11%00.0%Unchanged
Jump Financial, LLC27,533$4.82M0.07%+4,316+18.6%Added
Hantz Financial Services, Inc.27,679$4.84M0.09%−2,855−9.4%Reduced
Napean Trading & Investment Co (Singapore) PTE Ltd28,293$4.95M1.45%+4,090+16.9%Added
National Philanthropic Trust28,654$5.01M0.08%00.0%Unchanged
Bank of New York Mellon Corp28,952$5.07M0.00%−73,511−71.7%Reduced
US Bancorp29,035$5.08M0.01%−3,512−10.8%Reduced
First National Bank of Omaha29,164$5.10M0.35%+21,507+280.9%Added
M&T Bank Corp29,948$5.24M0.02%+1,862+6.6%Added
National Bank of Canada30,721$5.38M0.01%−1,923−5.9%Reduced
DekaBank Deutsche Girozentrale30,885$5.44M0.01%00.0%Unchanged
Pathstone Holdings, LLC31,809$5.57M0.02%−7,290−18.6%Reduced
Ninety One SA (PTY) Ltd32,608$5.57M1.03%+30,253+1,284.6%Added
TT International Asset Management LTD32,200$5.63M0.84%−3,918−10.8%Reduced
Silvercrest Asset Management Group LLC32,298$5.65M0.04%+219+0.7%Added
Walleye Capital LLC33,075$5.79M0.06%−71,296−68.3%Reduced
Firetrail Investments Pty Ltd33,606$5.94M1.73%+33,606New
Armor Advisors, L.L.C.34,342$6.01M5.91%+10,242+42.5%Added