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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, Q3 2023

Institutional positions in Icon PLC as of Sep 30, 2023. 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
556
+27 vs. Q2 2023
Shares held
80.6M
+1.25M (+1.6%) vs. Q2 2023
Total value
$19.7B
−$128.7M (−0.6%) vs. Q2 2023
New holders
66
185 more added
Sold out
39
207 more reduced

5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 556 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 heldQ3 2023: $19.7B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2023.

Institutions holding ICLR in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Deutsche Bank AG30,975$7.63M0.00%−10,886−26.0%Reduced
Charles Schwab Investment Management Inc31,023$7.64M0.00%+759+2.5%Added
Captrust Financial Advisors31,131$7.67M0.03%+4,183+15.5%Added
Fayez Sarofim & Co31,840$7.84M0.03%+18,500+138.7%Added
Retirement Systems of Alabama31,900$7.86M0.04%00.0%Unchanged
Azimuth Capital Investment Management LLC32,852$8.09M0.40%+135+0.4%Added
Sectoral Asset Management Inc33,663$8.29M1.61%−14,309−29.8%Reduced
M&T Bank Corp33,933$8.36M0.03%+4,037+13.5%Added
Banque Pictet & Cie SA35,202$8.67M0.10%−1,663−4.5%Reduced
Teachers Retirement System of the State of Kentucky35,300$8.69M0.09%−25,529−42.0%Reduced
Colony Group LLC36,311$8.94M0.13%−2,358−6.1%Reduced
Macquarie Group Ltd39,134$9.64M0.01%−23,001−37.0%Reduced
Martingale Asset Management L P39,332$9.69M0.20%+39,332New
Treasurer of the State of North Carolina39,978$9.85M0.05%+4,358+12.2%Added
Truist Financial Corp40,031$9.86M0.02%+1,598+4.2%Added
Citigroup Inc41,468$10.2M0.01%+5,459+15.2%Added
Twinbeech Capital LP41,515$10.2M0.20%+41,515New
Vident Advisory, LLC41,549$10.2M0.32%+41,549New
Voya Investment Management LLC43,789$10.8M0.01%+14,702+50.5%Added
Magnetar Financial LLC43,831$10.8M0.28%−101,124−69.8%Reduced
Bank of Montreal41,274$10.8M0.01%−1,712−4.0%Reduced
Boothbay Fund Management, LLC45,665$11.2M0.40%+8,378+22.5%Added
FineMark National Bank & Trust46,696$11.5M0.50%−584−1.2%Reduced
Brant Point Investment Management LLC48,410$11.9M2.82%−959−1.9%Reduced
Kornitzer Capital Management Inc49,660$12.2M0.25%+7,385+17.5%Added
BNP Paribas Arbitrage, SA49,961$12.3M0.03%−607−1.2%Reduced
Premier Fund Managers Ltd51,436$12.7M0.60%−4,595−8.2%Reduced
Blair William & Co52,581$12.9M0.05%+20,616+64.5%Added
First Republic Investment Management, Inc.52,875$13.0M0.04%+12,316+30.4%Added
Globeflex Capital L P53,006$13.1M1.53%00.0%Unchanged
Financiere des Professionnels - Fonds d,investissement inc.53,032$13.1M1.25%+53,032New
National Bank of Canada56,710$13.6M0.02%−578−1.0%Reduced
Epoch Investment Partners, Inc.55,858$13.8M0.09%−409−0.7%Reduced
Thrivent Financial for Lutherans56,278$13.9M0.03%+48,662+638.9%Added
LVM Capital Management Ltd56,589$13.9M1.96%−181−0.3%Reduced
Polar Capital Holdings Plc57,560$14.2M0.11%−31,235−35.2%Reduced
Hantz Financial Services, Inc.59,763$14.7M0.37%+66+0.1%Added
Federated Hermes, Inc.60,484$14.9M0.04%−4,045−6.3%Reduced
AXA S.A.60,706$14.9M0.05%−2,393−3.8%Reduced
State Board of Administration of Florida Retirement System62,250$15.3M0.04%+2,570+4.3%Added
Advisor Group Holdings, Inc.67,304$16.6M0.02%+16,798+33.3%Added
State of Michigan Retirement System69,670$17.2M0.11%00.0%Unchanged
Stifel Financial Corp72,444$17.8M0.03%+1,470+2.1%Added
Walter Public Investments Inc.72,663$17.9M4.24%−1,650−2.2%Reduced
Farmers & Merchants Investments Inc72,953$18.0M0.71%−122−0.2%Reduced
Todd Asset Management LLC73,959$18.2M0.43%−8,136−9.9%Reduced
Peregrine Capital Management LLC75,880$18.7M0.56%−14,196−15.8%Reduced
Summit Creek Advisors LLC76,114$18.7M2.55%−15,011−16.5%Reduced
Palisade Capital Management LLC78,485$19.3M0.54%+1,146+1.5%Added
Putnam Investments LLC78,885$19.4M0.03%+2,575+3.4%Added
Loomis Sayles & Co L P80,659$19.9M0.03%−6,575−7.5%Reduced
Van Eck Associates Corp81,772$20.1M0.04%−3,906−4.6%Reduced
Barclays PLC86,051$21.2M0.01%+53,696+166.0%Added
UBS Asset Management Americas Inc86,628$21.3M0.01%+43,477+100.8%Added
LPL Financial LLC87,071$21.4M0.02%−433−0.5%Reduced
Liontrust Investment Partners LLP89,860$22.1M0.35%+46,739+108.4%Added
FACT Capital, LP93,654$23.1M9.16%−6,031−6.1%Reduced
Rhumbline Advisers98,591$24.3M0.03%−1,231−1.2%Reduced
Wilson Asset Management (International) Pty Ltd99,260$24.5M7.04%−7,174−6.7%Reduced
Artemis Investment Management LLP102,885$25.3M0.35%+16,415+19.0%Added
First Trust Advisors LP104,709$25.8M0.03%+90,888+657.6%Added
Employees Retirement System of Texas105,000$25.9M0.38%00.0%Unchanged
Alta Capital Management LLC108,077$26.6M1.92%−484−0.4%Reduced
Motley Fool Wealth Management, LLC108,617$26.7M1.55%−1,178−1.1%Reduced
Creative Planning110,139$27.1M0.04%+46,037+71.8%Added
CI Private Wealth, LLC116,466$28.7M0.07%+82+0.1%Added
Standard Life Aberdeen plc121,678$30.0M0.08%−6,355−5.0%Reduced
Wells Fargo & Company125,806$31.0M0.01%−12,715−9.2%Reduced
Iron Triangle Partners LP130,000$32.0M4.68%−220,000−62.9%Reduced
OrbiMed Advisors LLC132,200$32.6M0.75%+132,200New
Thornburg Investment Management Inc133,034$32.7M0.54%−16,500−11.0%Reduced
Royal Bank of Canada135,615$33.4M0.01%−13,616−9.1%Reduced
Canada Pension Plan Investment Board137,542$33.9M0.05%00.0%Unchanged
Axiom Investors LLC144,847$35.7M0.51%+9,304+6.9%Added
Clark Capital Management Group, Inc.146,262$36.0M0.36%+3,990+2.8%Added
Montanaro Asset Management Ltd148,300$36.5M6.42%−20,600−12.2%Reduced
State of Tennessee, Treasury Department148,527$36.6M0.15%+37,780+34.1%Added
California Public Employees Retirement System153,508$37.8M0.03%+3,842+2.6%Added
TD Asset Management Inc155,261$38.2M0.05%+16,419+11.8%Added
Allspring Global Investments Holdings, LLC160,276$39.5M0.07%−15,588−8.9%Reduced
Oribel Capital Management, LP165,100$40.7M6.38%+97,000+142.4%Added
Motley Fool Asset Management LLC165,736$40.8M3.28%+80,492+94.4%Added
Marshall Wace, LLP173,854$42.8M0.09%−169,783−49.4%Reduced
Pensioenfonds Rail & Ov176,530$43.5M2.73%−160,047−47.6%Reduced
Raymond James & Associates177,118$43.6M0.04%−30,759−14.8%Reduced
New York State Common Retirement Fund178,379$43.9M0.06%−96,971−35.2%Reduced
Alyeska Investment Group, L.P.179,181$44.1M0.30%+104,181+138.9%Added
Eagle Health Investments LP186,200$45.9M10.10%00.0%Unchanged
Point72 Asset Management, L.P.204,134$50.3M0.17%−333,713−62.0%Reduced
TimesSquare Capital Management, LLC210,072$51.7M0.81%−10,818−4.9%Reduced
Nuveen Asset Management, LLC213,137$52.5M0.02%+51,259+31.7%Added
PFM Health Sciences, LP213,559$52.6M2.52%00.0%Unchanged
Grandeur Peak Global Advisors, LLC217,056$53.5M4.02%−121,267−35.8%Reduced
Brown Capital Management LLC220,820$54.4M0.83%−17,973−7.5%Reduced
Kiwi Wealth Investments Limited Partnership223,753$55.1M6.00%+223,753New
Ameriprise Financial Inc238,707$58.8M0.02%−20,546−7.9%Reduced
Two Creeks Capital Management, LP243,578$60.0M3.87%00.0%Unchanged
Amundi250,252$61.9M0.03%+41,123+19.7%Added
Artisan Partners Limited Partnership258,535$63.7M0.11%+258,535New
Natixis Advisors, L.P.270,791$66.7M0.20%+32,987+13.9%Added