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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
Capital Analysts, LLC5$1.00K0.00%––
Sierra Capital LLC6$1.00K0.00%––
Hexagon Capital Partners LLC7$1.00K0.00%––
SkyView Investment Advisors, LLC5$1.00K0.00%––
Panagora Asset Management Inc8$2.00K0.00%––
Jacobi Capital Management LLC12$2.00K0.00%––
Prestige Wealth Management Group LLC11$2.00K0.00%––
Glen Eagle Advisors, LLC11$2.16K0.00%––
Ranger Investment Management, L.P.17$3.00K0.00%––
Bellevue Asset Management, LLC17$3.00K0.00%––
Center for Financial Planning, Inc.16$3.00K0.00%––
Total Clarity Wealth Management, Inc.15$3.00K0.00%––
Accel Wealth Management15$3.00K0.00%––
Allworth Financial LP19$4.00K0.00%––
WealthShield Partners, LLC20$4.00K0.00%––
Liberty Wealth Management LLC20$4.00K0.00%––
Key Financial Inc19$4.00K0.00%––
Creative Financial Designs Inc25$5.00K0.00%––
Assetmark, Inc23$5.00K0.00%––
AlphaMark Advisors, LLC25$5.00K0.00%––
TFC Financial Management23$5.00K0.00%––
Caldwell Trust Co26$5.11K0.00%––
Raffa Wealth Management, LLC29$5.71K0.00%––
Howe & Rusling Inc31$6.00K0.00%––
Jones Financial Companies LLLP32$6.00K0.00%––
Maverick Capital LtdSuperinvestorMaverick Capital29$6.00K0.00%––
Massmutual Trust Co FSB29$6.00K0.00%––
Global Retirement Partners, LLC30$6.00K0.00%––
State of Wyoming30$6.00K0.01%––
Baldwin Brothers Inc37$7.00K0.00%––
Private Capital Group, LLC34$7.00K0.00%––
West Paces Advisors Inc.36$7.07K0.00%––
Meeder Asset Management Inc43$8.00K0.00%––
IMA Wealth, Inc.39$8.00K0.00%––
CX Institutional40$8.00K0.00%––
RWM Asset Management, LLC41$8.00K0.00%––
Newbridge Financial Services Group, Inc.40$8.00K0.01%––
TD Ameritrade Investment Management, LLC47$9.00K0.00%––
Whittier Trust Co50$10.0K0.00%––
MV Capital Management, Inc.50$10.0K0.00%––
Pinnacle Bancorp, Inc.50$10.0K0.00%––
Lumature Wealth Partners, LLC49$10.0K0.01%––
Carmichael Hill & Associates, Inc.55$11.0K0.01%––
First Horizon Corp63$12.0K0.00%––
Benjamin F. Edwards & Company, Inc.59$12.0K0.00%––
NEXT Financial Group, Inc65$13.0K0.00%––
Simplex Trading, LLC75$14.0K0.00%––
Wealthcare Advisory Partners LLC77$15.0K0.00%––
Lindbrook Capital, LLC80$16.0K0.00%––
First Horizon Advisors, Inc.95$18.0K0.00%––
Simon Quick Advisors, LLC96$18.0K0.01%––
Arkadios Wealth Advisors95$18.0K0.00%––
Brown Brothers Harriman & Co97$19.0K0.00%––
HC Financial Advisors Inc100$20.0K0.01%––
Northwest Investment Counselors, LLC100$20.0K0.01%––
CWM, LLC105$22.0K0.00%––
California State Teachers Retirement System131$26.0K0.00%––
San Francisco Sentry Investment Group (Ca)133$26.0K0.01%––
Rockefeller Capital Management L.P.137$26.0K0.00%––
Enterprise Financial Services Corp139$27.0K0.00%––
Ellevest, Inc.137$27.0K0.00%––
Quadrant Capital Group LLC140$27.0K0.00%––
Evolution Wealth Advisors, LLC137$27.0K0.01%––
Harbor Investment Advisory, LLC149$29.0K0.00%––
Brewin Dolphin Wealth Management Ltd150$29.5K0.00%––
MUFG Americas Holdings Corp153$30.0K0.00%––
Huntington National Bank162$32.0K0.00%––
MBM Wealth Consultants, LLC165$32.0K0.02%––
Allred Capital Management, LLC169$33.2K0.02%––
Lenox Wealth Advisors, LLC180$35.0K0.00%––
Institutional & Family Asset Management, LLC205$40.0K0.01%––
Valeo Financial Advisors, LLC202$40.0K0.00%––
GPS Wealth Strategies Group, LLC236$46.0K0.01%––
Signaturefd, LLC268$53.0K0.00%––
Contravisory Investment Management, Inc.281$55.0K0.02%––
Coastal Capital Group, Inc.281$55.0K0.01%––
IFP Advisors, Inc291$57.0K0.00%––
FourThought Financial, LLC321$63.0K0.01%––
Freedman Financial Associates, Inc.345$68.0K0.06%––
Atlas Private Wealth Management350$69.0K0.04%––
Financial Management Professionals, Inc.355$70.0K0.02%––
Carroll Financial Associates, Inc.370$72.0K0.00%––
RMR Wealth Builders372$73.0K0.02%––
Proequities, Inc.405$80.0K0.01%––
International Assets Investment Management, LLC426$83.0K0.01%––
Ellis Investment Partners, LLC438$86.0K0.02%––
Sowell Financial Services LLC390$87.0K0.00%––
Capital Advisors, Ltd. LLC471$92.0K0.02%––
Bartlett & Co. LLC500$98.0K0.00%––
Bartlett & Co. Wealth Management LLC500$98.2K0.00%––
Stephenson National Bank & Trust549$108.0K0.07%––
Bollard Group LLC584$115.0K0.00%––
Harbour Investments, Inc.662$130.0K0.00%––
KB Financial Partners, LLC661$130.0K0.06%––
Spire Wealth Management755$148.0K0.00%––
Cullen/Frost Bankers, Inc.814$160.0K0.00%––
Steward Partners Investment Advisory, LLC874$171.6K0.00%––
Parallel Advisors, LLC930$183.0K0.01%––
Tributary Capital Management, LLC1,026$201.0K0.02%––
Qtron Investments LLC1,023$201.0K0.06%––