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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 2021

Institutional positions in Icon PLC as of Mar 31, 2021. 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
426
No complete 13F data for Q4 2020
Shares held
51.0M
No complete 13F data for Q4 2020
Total value
$10.0B
No complete 13F data for Q4 2020

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 2021: 426 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 2021: $10.0B
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 2021

Shares, value and share of portfolio for each institution holding Icon PLC.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ICLR in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Bell Asset Management Ltd43,621$8.57M1.84%––
Truist Financial Corp43,571$8.56M0.01%––
FineMark National Bank & Trust43,477$8.54M0.36%––
United Capital Financial Advisers, LLC43,165$8.48M0.05%––
Strategic Global Advisors, LLC42,018$8.25M1.49%––
Farmers & Merchants Investments Inc41,360$8.12M0.39%––
Marshall Wace, LLP38,146$7.49M0.04%––
GAM Holding AG36,663$7.20M0.34%––
JLB & Associates Inc36,036$7.08M1.16%––
Voloridge Investment Management, LLC35,540$6.98M0.05%––
First Republic Investment Management, Inc.34,890$6.85M0.02%––
State of Michigan Retirement System33,470$6.57M0.04%––
Henry James International Management, Inc.32,490$6.38M1.92%––
Brant Point Investment Management LLC32,335$6.35M1.15%––
Jefferies Group LLC32,316$6.35M0.15%––
Goldman Sachs Group Inc31,107$6.11M0.00%––
GW&K Investment Management, LLC30,721$6.03M0.06%––
Rice Hall James & Associates, LLC30,390$5.97M0.19%––
Vanguard Group Inc29,908$5.87M0.00%––
Advisors Asset Management, Inc.29,107$5.72M0.09%––
QS Investors, LLC29,064$5.66M0.07%––
Raymond James Financial Services Advisors, Inc.28,181$5.53M0.01%––
LPL Financial LLC27,373$5.38M0.01%––
Running Oak Capital LLC27,305$5.36M1.63%––
Marks Group Wealth Management, Inc26,678$5.25M0.78%––
PDT Partners, LLC26,300$5.17M0.37%––
Brinker Capital Investments, LLC25,784$5.06M0.08%––
Captrust Financial Advisors25,276$4.96M0.05%––
M&T Bank Corp25,156$4.94M0.02%––
Westover Capital Advisors, LLC24,075$4.73M1.63%––
LMR Partners LLP23,905$4.69M0.12%––
Tekla Capital Management LLC23,592$4.63M0.16%––
DekaBank Deutsche Girozentrale23,357$4.58M0.02%––
Knights of Columbus Asset Advisors LLC22,768$4.47M0.44%––
Omni Partners LLP22,735$4.46M0.22%––
Susquehanna Fundamental Investments, LLC22,678$4.45M0.08%––
Nomura Holdings Inc22,500$4.42M0.03%––
Caption Management, LLC22,500$4.42M0.57%––
Credit Agricole S A21,731$4.27M0.16%––
Meritage Portfolio Management21,624$4.25M0.28%––
Oppenheimer Asset Management Inc.20,919$4.11M0.06%––
Amundi Asset Management US, Inc.20,231$3.97M0.00%––
Mirabella Financial Services LLP20,079$3.94M1.23%––
Welch & Forbes LLC19,965$3.92M0.07%––
Handelsbanken Fonder AB19,330$3.80M0.02%––
DnB Asset Management AS18,809$3.69M0.03%––
Fundsmith Long/Short Master Fund18,700$3.67M3.03%––
UBS Asset Management Americas Inc18,665$3.67M0.00%––
Azimuth Capital Management LLC18,529$3.64M0.17%––
Magnetar Financial LLC18,500$3.63M0.03%––
Credit Suisse AG18,442$3.62M0.00%––
Chartwell Investment Partners, LLC18,311$3.60M0.11%––
Eqis Capital Management, Inc.18,066$3.55M0.28%––
PEAK6 Investments LLC17,146$3.37M0.09%––
Advisor Group Holdings, Inc.16,819$3.31M0.01%––
First Trust Advisors LP16,542$3.25M0.00%––
UBS Group AG16,369$3.21M0.00%––
Deutsche Bank AG15,851$3.11M0.00%––
US Bancorp15,834$3.11M0.01%––
Burney Co15,549$3.05M0.15%––
Fisher Asset Management, LLC15,527$3.05M0.00%––
Equitable Trust Co15,313$3.01M0.22%––
FDx Advisors, Inc.14,849$2.92M0.11%––
Shanda Asset Management Holdings Ltd14,826$2.91M0.51%––
Northwest & Ethical Investments L.P.14,564$2.86M0.10%––
Arabesque Asset Management Ltd14,293$2.81M1.24%––
HighTower Advisors, LLC14,057$2.77M0.01%––
Amica Mutual Insurance Co13,789$2.71M0.31%––
Colony Group LLC13,351$2.62M0.06%––
Charles Schwab Investment Management Inc12,407$2.44M0.00%––
Union Bancaire Privee Asset Management LLC11,583$2.27M1.20%––
Seascape Capital Management11,543$2.27M1.26%––
Federation des caisses Desjardins du Quebec11,227$2.21M0.02%––
MML Investors Services, LLC11,148$2.19M0.02%––
TD Private Client Wealth LLC10,434$2.05M0.10%––
Cna Financial Corp9,921$1.95M0.60%––
Hancock Whitney Corp9,546$1.88M0.06%––
Diversified Trust Co8,765$1.72M0.07%––
Creative Planning8,765$1.72M0.00%––
Fort, L.P.8,656$1.70M0.48%––
The PNC Financial Services Group, Inc.8,638$1.70M0.00%––
Wesbanco Bank Inc8,632$1.70M0.07%––
Eaton Vance Management8,405$1.65M0.00%––
TownSquare Capital, LLC8,325$1.64M0.06%––
Tealwood Asset Management Inc8,054$1.58M0.63%––
Mackenzie Financial Corp7,952$1.56M0.00%––
Bangor Savings Bank7,722$1.52M0.18%––
Pettee Investors, Inc.7,701$1.51M0.73%––
AMP Capital Investors Ltd7,565$1.49M0.01%––
Atria Investments LLC7,544$1.48M0.03%––
Man Group plc7,531$1.48M0.01%––
Tudor Investment Corp Et Al7,390$1.45M0.03%––
Utah Retirement Systems7,257$1.43M0.02%––
Brown Advisory Securities, LLC7,200$1.41M0.24%––
DAGCO, Inc.7,086$1.39M0.69%––
Washington Trust Co7,080$1.39M0.04%––
Mount Yale Investment Advisors, LLC7,013$1.38M0.18%––
First National Bank of Omaha6,910$1.36M0.07%––
American National Insurance Co6,700$1.32M0.05%––
Moody National Bank Trust Division6,700$1.32M0.03%––