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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, Q2 2021

Institutional positions in Icon PLC as of Jun 30, 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
449
+29 vs. Q1 2021
Shares held
59.6M
+8.74M (+17.2%) vs. Q1 2021
Total value
$12.3B
+$2.34B (+23.4%) vs. Q1 2021
New holders
78
168 more added
Sold out
49
122 more reduced

6 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 holdersQ2 2021: 449 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 heldQ2 2021: $12.3B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2021.

Institutions holding ICLR in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Eaton Vance Management8,431$1.74M0.00%+26+0.3%Added
Engineers Gate Manager LP8,406$1.74M0.11%+8,406New
Dynamic Technology Lab Private Ltd8,359$1.73M0.17%+8,359New
Fort, L.P.8,012$1.66M0.48%−644−7.4%Reduced
PEAK6 Investments LLC7,934$1.64M0.04%−9,212−53.7%Reduced
Bangor Savings Bank7,832$1.62M0.18%+110+1.4%Added
Atria Investments LLC7,756$1.60M0.03%+212+2.8%Added
Pettee Investors, Inc.7,701$1.59M0.75%00.0%Unchanged
AlphaCrest Capital Management LLC7,458$1.54M0.07%+6,242+513.3%Added
Schonfeld Strategic Advisors LLC7,400$1.53M0.02%+7,400New
Cna Financial Corp7,261$1.50M0.42%−2,660−26.8%Reduced
Utah Retirement Systems7,257$1.50M0.02%00.0%Unchanged
Brown Advisory Securities, LLC7,200$1.49M0.23%00.0%Unchanged
Washington Trust Co6,960$1.44M0.04%−120−1.7%Reduced
Jefferies Group LLC6,862$1.42M0.02%−25,454−78.8%Reduced
Mount Yale Investment Advisors, LLC6,861$1.42M0.17%−152−2.2%Reduced
American National Insurance Co6,700$1.39M0.05%00.0%Unchanged
Moody National Bank Trust Division6,700$1.39M0.03%00.0%Unchanged
Creative Planning6,676$1.38M0.00%−2,089−23.8%Reduced
First National Bank of Omaha6,910$1.36M0.07%00.0%Unchanged
The PNC Financial Services Group, Inc.6,475$1.34M0.00%−2,163−25.0%Reduced
DAGCO, Inc.6,423$1.33M0.59%−663−9.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys6,394$1.32M0.01%00.0%Unchanged
Blair William & Co6,315$1.30M0.00%+3,919+163.6%Added
Live Oak Private Wealth LLC6,278$1.30M0.29%+54+0.9%Added
Laurion Capital Management LP6,250$1.29M0.02%+6,250New
Janney Montgomery Scott LLC6,230$1.29M0.01%+74+1.2%Added
Northwest & Ethical Investments L.P.6,169$1.28M0.04%−8,395−57.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)6,146$1.27M0.01%+101+1.7%Added
Confluence Investment Management LLC6,141$1.27M0.02%−49−0.8%Reduced
Bessemer Group Inc6,076$1.25M0.00%+1,150+23.3%Added
Cim, LLC5,136$1.24M0.20%+83+1.6%Added
Hayek Kallen Investment Management5,930$1.23M0.52%00.0%Unchanged
Glenmede Trust Co NA5,646$1.17M0.01%+86+1.5%Added
Stephens Inc5,487$1.13M0.02%+991+22.0%Added
Alpha Paradigm Partners, LLC5,306$1.10M0.41%+5,306New
STRS Ohio5,304$1.10M0.00%+5,304New
Arden Trust Co5,256$1.09M0.18%−373−6.6%Reduced
Quantitative Systematic Strategies LLC5,227$1.08M0.38%+251+5.0%Added
Greenwood Capital Associates LLC5,215$1.08M0.16%+151+3.0%Added
Y-Intercept (Hong Kong) Ltd5,194$1.07M0.27%+5,194New
Verition Fund Management LLC5,057$1.04M0.02%+5,057New
Pittenger & Anderson Inc4,865$1.01M0.05%+4,865New
Tower Research Capital LLC (TRC)4,851$1.00M0.03%−304−5.9%Reduced
Capital Asset Advisory Services LLC4,821$997.0K0.11%+1,808+60.0%Added
Mitchell Capital Management Co4,795$991.0K0.22%+405+9.2%Added
XTX Topco Ltd4,764$985.0K0.33%+4,764New
Handelsbanken Fonder AB4,530$936.0K0.00%−14,800−76.6%Reduced
Sentry Investment Management LLC4,434$917.0K0.23%00.0%Unchanged
Kennedy Capital Management, Inc.4,296$888.0K0.02%+197+4.8%Added
BancorpSouth Bank4,225$873.0K0.13%+81+2.0%Added
V Wealth Advisors LLC4,193$867.0K0.14%+128+3.1%Added
Raymond James Trust N.A.4,190$867.0K0.03%+1,236+41.8%Added
Chartwell Investment Partners, LLC4,047$837.0K0.02%−14,264−77.9%Reduced
Fayez Sarofim & Co3,935$813.0K0.00%+345+9.6%Added
Prudential Financial Inc3,861$798.0K0.00%+807+26.4%Added
Kestra Advisory Services, LLC3,827$791.0K0.01%+1,115+41.1%Added
Cipher Capital LP3,826$791.0K0.44%+3,826New
TLWM3,802$788.0K0.28%+58+1.5%Added
Legg Mason Asset Management (Japan) Co., Ltd.3,771$780.0K0.85%−337−8.2%Reduced
BNP Paribas Arbitrage, SA3,758$776.8K0.00%+1,654+78.6%Added
Park Avenue Securities LLC3,694$763.0K0.02%+386+11.7%Added
Cambridge Investment Research Advisors, Inc.3,562$736.0K0.00%−1,036−22.5%Reduced
Jump Financial, LLC3,519$727.0K0.07%+3,519New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC3,511$725.0K0.07%−540−13.3%Reduced
Baker Tilly Wealth Management, LLC3,450$713.0K0.11%+510+17.3%Added
Galvin, Gaustad & Stein, LLC3,286$679.0K0.06%−275−7.7%Reduced
Tectonic Advisors LLC3,110$643.0K0.13%−760−19.6%Reduced
Intercontinental Wealth Advisors, LLC3,093$639.0K0.13%+43+1.4%Added
MAI Capital Management3,076$636.0K0.01%+77+2.6%Added
Fifth Third Bancorp3,073$635.0K0.00%−118−3.7%Reduced
Connable Office Inc2,938$607.0K0.08%00.0%Unchanged
Private Trust Co NA2,908$601.0K0.09%+62+2.2%Added
Cetera Advisor Networks LLC2,901$600.0K0.01%+631+27.8%Added
Tributary Capital Management, LLC2,881$596.0K0.05%+1,855+180.8%Added
Advisory Services Network, LLC2,884$595.0K0.02%−198−6.4%Reduced
Quantamental Technologies LLC2,790$577.0K0.51%+2,790New
Ninety One SA (PTY) Ltd2,747$568.0K0.21%00.0%Unchanged
Financial Counselors Inc2,735$565.0K0.01%−695−20.3%Reduced
Groesbeck Investment Management Corp2,725$563.0K0.72%00.0%Unchanged
GW Henssler & Associates Ltd2,659$550.0K0.04%+49+1.9%Added
Marietta Investment Partners LLC2,543$526.0K0.12%−1,018−28.6%Reduced
Personal Cfo Solutions, LLC2,520$521.0K0.11%−108−4.1%Reduced
New York Life Investments Alternatives2,500$517.0K0.35%+2,500New
Quantitative Investment Management, LLC2,467$509.0K0.05%+2,467New
We Are One Seven, LLC6,622$506.0K0.07%−14−0.2%Reduced
Yorktown Management & Research Co Inc2,450$506.0K0.40%+2,450New
Beck Bode, LLC2,422$501.0K0.14%+2,422New
Commonwealth Equity Services, LLC2,421$500.0K0.00%+716+42.0%Added
Simplex Trading, LLC2,413$498.0K0.02%+2,338+3,117.3%Added
Reilly Financial Advisors, LLC2,377$491.0K0.04%00.0%Unchanged
Fieldpoint Private Securities, LLC2,050$486.0K0.11%+970+89.8%Added
Walleye Trading LLC2,351$486.0K0.01%+2,351New
Clifford Swan Investment Counsel LLC1,960$482.0K0.02%00.0%Unchanged
Banque Cantonale Vaudoise2,328$481.0K0.02%−80−3.3%Reduced
Henshaw Capital LLC2,290$473.4K0.03%00.0%Unchanged
Somerset Trust Co2,237$462.0K0.19%00.0%Unchanged
Legacy Wealth Asset Management, LLC2,228$461.0K0.20%+27+1.2%Added
qPULA Trading Management LP2,200$455.0K0.82%+2,200New
Archer Investment Corp2,200$454.8K0.18%00.0%Unchanged