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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 2024

Institutional positions in Icon PLC as of Jun 30, 2024. 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
676
+32 vs. Q1 2024
Shares held
77.6M
−431.7K (−0.6%) vs. Q1 2024
Total value
$24.3B
−$1.85B (−7.1%) vs. Q1 2024
New holders
84
251 more added
Sold out
52
232 more reduced

4 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2024: 676 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 2024: $24.3B
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 2024

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2024.

Institutions holding ICLR in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Avantax Advisory Services, Inc.7,475$2.34M0.02%+6,080+435.8%Added
Rice Hall James & Associates, LLC7,645$2.40M0.14%−290−3.7%Reduced
Diamond Hill Capital Management Inc7,803$2.45M0.01%+1,062+15.8%Added
Kestra Advisory Services, LLC7,938$2.49M0.01%+233+3.0%Added
CTC Alternative Strategies, Ltd.7,980$2.50M1.06%+7,980New
Highland Capital Management, LLC8,001$2.51M0.15%−611−7.1%Reduced
XTX Topco Ltd8,017$2.51M0.22%+4,332+117.6%Added
Sectoral Asset Management Inc8,028$2.52M1.02%+85+1.1%Added
Mitchell Capital Management Co8,096$2.54M0.45%+48+0.6%Added
Pacific Capital Partners Ltd154,438$2.57M1.70%00.0%Unchanged
CWM Advisors, LLC8,432$2.64M0.30%−221−2.6%Reduced
Thor Investment Management Inc8,476$2.66M2.09%+7+0.1%Added
Treasurer of the State of North Carolina8,487$2.66M0.01%−33,190−79.6%Reduced
JLB & Associates Inc8,599$2.70M0.36%−580−6.3%Reduced
Engineers Gate Manager LP8,607$2.70M0.06%+1,308+17.9%Added
Rhumbline Advisers9,082$2.85M0.00%−79,215−89.7%Reduced
Pettee Investors, Inc.9,101$2.85M1.38%00.0%Unchanged
Shaker Investments LLC9,101$2.85M1.24%+5+0.1%Added
Utah Retirement Systems9,187$2.88M0.03%−4,900−34.8%Reduced
Oribel Capital Management, LP9,300$2.92M0.40%−27,400−74.7%Reduced
Park Avenue Securities LLC9,338$2.93M0.04%+4,018+75.5%Added
Atria Investments LLC9,365$2.94M0.04%+1,874+25.0%Added
Regions Financial Corp9,370$2.94M0.02%−275−2.9%Reduced
Glenmede Trust Co NA9,663$3.03M0.02%−13−0.1%Reduced
Scientech Research LLC9,824$3.08M0.63%+6,113+164.7%Added
Worldquant Millennium Advisors LLC9,949$3.12M0.03%+9,949New
Snowden Capital Advisors LLC10,205$3.20M0.10%−362−3.4%Reduced
Advisor Group Holdings, Inc.10,381$3.25M0.01%−242−2.3%Reduced
Nuveen Asset Management, LLC10,488$3.29M0.00%−216,490−95.4%Reduced
Pittenger & Anderson Inc10,806$3.39M0.14%+4,111+61.4%Added
Verdence Capital Advisors LLC10,855$3.40M0.30%+208+2.0%Added
Adage Capital Partners GP, L.L.C.11,000$3.45M0.01%−3,000−21.4%Reduced
Holocene Advisors, LP11,155$3.50M0.01%+2,957+36.1%Added
Exencial Wealth Advisors, LLC11,435$3.58M0.14%−541−4.5%Reduced
Barclays PLC11,486$3.60M0.00%−86,676−88.3%Reduced
Manhattan West Asset Management, LLC11,753$3.68M1.00%−1,391−10.6%Reduced
Synovus Financial Corp12,008$3.76M0.05%+96+0.8%Added
USS Investment Management Ltd12,516$3.92M0.03%+404+3.3%Added
Point72 (DIFC) Ltd12,557$3.94M0.35%+12,557New
Raymond James Financial Services Advisors, Inc.12,565$3.94M0.01%−45−0.4%Reduced
Eversept Partners, LP12,642$3.96M0.30%−2,705−17.6%Reduced
SeaBridge Investment Advisors LLC12,741$3.99M1.04%+1,641+14.8%Added
Hardman Johnston Global Advisors LLC12,867$4.03M0.16%+3,076+31.4%Added
Mount Yale Investment Advisors, LLC13,126$4.11M0.33%−2,651−16.8%Reduced
Summit Creek Advisors LLC13,477$4.22M0.58%−17,069−55.9%Reduced
Federation des caisses Desjardins du Quebec14,118$4.43M0.02%−906−6.0%Reduced
Burney Co14,474$4.54M0.17%−1,035−6.7%Reduced
Eagle Global Advisors LLC14,524$4.55M0.24%00.0%Unchanged
Trexquant Investment LP14,553$4.56M0.07%−4,900−25.2%Reduced
Papp L Roy & Associates14,796$4.64M0.56%+16+0.1%Added
Westover Capital Advisors, LLC15,575$4.88M1.26%−198−1.3%Reduced
The PNC Financial Services Group, Inc.15,682$4.92M0.00%+896+6.1%Added
Laurion Capital Management LP15,952$5.00M0.16%+15,952New
Envestnet Portfolio Solutions, Inc.16,074$5.04M0.02%−964−5.7%Reduced
Dimensional Fund Advisors LP16,257$5.10M0.00%+1,097+7.2%Added
Kennedy Capital Management, Inc.16,478$5.17M0.11%+3,588+27.8%Added
Osborne Partners Capital Management, LLC16,686$5.23M0.31%+584+3.6%Added
Napean Trading & Investment Co (Singapore) PTE Ltd16,817$5.27M1.25%+8,298+97.4%Added
Romano Brothers and Company16,842$5.28M0.73%−1,000−5.6%Reduced
Oppenheimer Asset Management Inc.16,856$5.28M0.07%−4,696−21.8%Reduced
Cumberland Partners Ltd16,990$5.33M0.39%+7,705+83.0%Added
MML Investors Services, LLC17,100$5.36M0.02%+2,789+19.5%Added
Simplicity Wealth,LLC17,100$5.36M0.12%−18−0.1%Reduced
Bleakley Financial Group, LLC17,100$5.36M0.15%−18−0.1%Reduced
Rockefeller Capital Management L.P.17,736$5.56M0.02%−7,647−30.1%Reduced
Henry James International Management, Inc.17,865$5.60M1.98%−5,810−24.5%Reduced
Janney Montgomery Scott LLC17,910$5.61M0.02%+246+1.4%Added
Eldred Rock Partners, LLC18,075$5.67M2.37%+6,525+56.5%Added
Amica Mutual Insurance Co18,133$5.68M0.56%00.0%Unchanged
BNP Paribas Arbitrage, SA18,632$5.84M0.01%−67,571−78.4%Reduced
Panagora Asset Management Inc18,667$5.85M0.03%+18,667New
Equitable Trust Co18,853$5.91M0.41%−318−1.7%Reduced
Y-Intercept (Hong Kong) Ltd19,017$5.96M0.33%+19,017New
Charles Schwab Investment Management Inc19,181$6.01M0.00%−13,579−41.4%Reduced
DnB Asset Management AS19,604$6.15M0.03%+5,800+42.0%Added
Welch & Forbes LLC19,638$6.35M0.08%−135−0.7%Reduced
Brasada Capital Management, LP19,326$6.46M1.14%+243+1.3%Added
Handelsbanken Fonder AB21,709$6.80M0.03%+3,118+16.8%Added
Silvercrest Asset Management Group LLC22,619$7.09M0.05%−7,965−26.0%Reduced
Allspring Global Investments Holdings, LLC23,316$7.31M0.01%+643+2.8%Added
Gateway Investment Advisers LLC23,993$7.52M0.09%−28−0.1%Reduced
Alerus Financial NA24,869$7.80M0.58%−417−1.6%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main25,654$8.04M0.01%+16,335+175.3%Added
Trillium Asset Management, LLC25,945$8.13M0.21%+1,744+7.2%Added
Retirement Systems of Alabama26,653$8.35M0.03%−5,247−16.4%Reduced
Paloma Partners Management Co26,900$8.43M0.73%+26,900New
Brevan Howard Capital Management LP27,877$8.74M0.57%+27,877New
Ativo Capital Management LLC27,890$8.74M9.05%−400−1.4%Reduced
Marks Group Wealth Management, Inc28,037$8.79M0.93%−682−2.4%Reduced
Russell Investments Group, Ltd.28,097$8.81M0.01%−6,679−19.2%Reduced
Sumitomo Mitsui Trust Holdings, Inc.28,099$8.81M0.01%00.0%Unchanged
Cetera Investment Advisers28,307$8.87M0.02%+735+2.7%Added
Azimuth Capital Investment Management LLC28,512$8.94M0.36%+253+0.9%Added
HighTower Advisors, LLC28,510$8.94M0.01%−542−1.9%Reduced
Bank of Montreal28,968$9.14M0.00%−28,841−49.9%Reduced
Brinker Capital Investments, LLC30,423$9.54M0.10%+4,211+16.1%Added
Orion Portfolio Solutions, LLC30,423$9.54M0.10%+4,211+16.1%Added
Truist Financial Corp30,617$9.60M0.01%+1,353+4.6%Added
TownSquare Capital, LLC30,883$9.68M0.13%+6,537+26.9%Added
DekaBank Deutsche Girozentrale31,285$9.73M0.02%+400+1.3%Added