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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 2025

Institutional positions in Icon PLC as of Jun 30, 2025. 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
489
−66 vs. Q1 2025
Shares held
77.0M
+1.43M (+1.9%) vs. Q1 2025
Total value
$11.2B
−$2.05B (−15.5%) vs. Q1 2025
New holders
70
156 more added
Sold out
136
206 more reduced

7 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 489 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 2025: $11.2B
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 2025

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q1 2025.

Institutions holding ICLR in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Manhattan West Asset Management, LLC20,588$2.99M0.69%+3,948+23.7%Added
Bank Julius Baer & Co. Ltd, Zurich20,659$3.00M0.01%−830−3.9%Reduced
Romano Brothers and Company21,163$3.08M0.38%−2,022−8.7%Reduced
Banque de Luxembourg S.A.17,609$3.08M1.77%−104−0.6%Reduced
Hantz Financial Services, Inc.21,306$3.10M0.05%−6,373−23.0%Reduced
LRT Capital Management, LLC21,601$3.14M1.86%+7,771+56.2%Added
Hunter Perkins Capital Management, LLC22,399$3.26M0.77%+97+0.4%Added
TD Asset Management Inc22,511$3.27M0.00%+583+2.7%Added
Sterling Capital Management LLC22,600$3.29M0.05%+2,867+14.5%Added
Blair William & Co23,174$3.37M0.01%−1,204−4.9%Reduced
Napean Trading & Investment Co (Singapore) PTE Ltd23,313$3.39M0.90%−4,980−17.6%Reduced
Natixis Advisors, L.P.23,871$3.47M0.01%−106,639−81.7%Reduced
Circumference Group LLC24,000$3.49M3.62%+24,000New
LPL Financial LLC24,101$3.51M0.00%−70,010−74.4%Reduced
Sumitomo Mitsui Trust Holdings, Inc.25,842$3.76M0.00%00.0%Unchanged
Janney Montgomery Scott LLC26,145$3.80M0.01%+5,982+29.7%Added
Deutsche Bank AG26,292$3.82M0.00%+1,606+6.5%Added
Integrated Wealth Concepts LLC27,262$3.97M0.04%+8,592+46.0%Added
Captrust Financial Advisors27,264$3.97M0.01%−7,315−21.2%Reduced
UBS Asset Management Americas Inc28,054$4.08M0.00%+3,347+13.5%Added
Stifel Financial Corp28,054$4.08M0.00%−48,164−63.2%Reduced
Daiwa Securities Group Inc.28,145$4.09M0.02%+4,546+19.3%Added
Bank of New York Mellon Corp29,047$4.22M0.00%+95+0.3%Added
National Philanthropic Trust29,225$4.25M0.06%+571+2.0%Added
Vident Advisory, LLC29,839$4.34M0.05%+27,241+1,048.5%Added
Quantbot Technologies LP29,860$4.34M0.11%−12,248−29.1%Reduced
DekaBank Deutsche Girozentrale30,885$4.43M0.01%00.0%Unchanged
DnB Asset Management AS30,849$4.49M0.02%−5,359−14.8%Reduced
Northern Trust Corp31,723$4.61M0.00%−414,297−92.9%Reduced
Ninety One SA (PTY) Ltd32,608$4.72M0.78%00.0%Unchanged
Headlands Technologies LLC33,780$4.91M0.59%+23,924+242.7%Added
Armor Advisors, L.L.C.34,342$5.00M4.96%00.0%Unchanged
Quadrature Capital Ltd35,333$5.14M0.09%−7,834−18.1%Reduced
Motley Fool Asset Management LLC35,751$5.20M0.24%−660−1.8%Reduced
Trillium Asset Management, LLC35,773$5.20M0.14%−2,049−5.4%Reduced
Charles Schwab Investment Management Inc35,970$5.23M0.00%+11,028+44.2%Added
First National Bank of Omaha36,223$5.27M0.34%+7,059+24.2%Added
Adage Capital Partners GP, L.L.C.36,235$5.27M0.01%+36,235New
T. Rowe Price Investment Management, Inc.37,329$5.43M0.00%−52,086−58.3%Reduced
Truist Financial Corp37,456$5.45M0.01%+19,789+112.0%Added
Moore Capital Management, LP37,825$5.50M0.11%−25,222−40.0%Reduced
LVM Capital Management Ltd40,603$5.91M0.61%−16,096−28.4%Reduced
Gateway Investment Advisers LLC41,156$5.99M0.07%+516+1.3%Added
Barclays PLC41,613$6.05M0.00%−14,861−26.3%Reduced
Swedbank AB41,800$6.08M0.01%+41,800New
Edmond de Rothschild Holding S.A.45,302$6.59M0.11%+222+0.5%Added
Hyperion Capital Advisors LP48,474$7.05M4.42%+4,549+10.4%Added
Strategic Global Advisors, LLC48,525$7.06M1.15%−1,431−2.9%Reduced
Colony Group, LLC48,696$7.08M0.02%−1,004−2.0%Reduced
American Capital Management Inc49,226$7.16M0.30%−24,454−33.2%Reduced
FineMark National Bank & Trust49,254$7.16M0.24%−333−0.7%Reduced
Financiere des Professionnels - Fonds d,investissement inc.50,212$7.30M0.44%+11,894+31.0%Added
Osborne Partners Capital Management, LLC50,248$7.31M0.39%+7,452+17.4%Added
Eldred Rock Partners, LLC52,627$7.65M2.33%+118+0.2%Added
Firetrail Investments Pty Ltd53,453$7.75M2.02%+19,847+59.1%Added
Parnassus Investments53,539$7.79M0.02%−368−0.7%Reduced
Marks Group Wealth Management, Inc55,838$8.12M0.76%+9,527+20.6%Added
Boston Partners56,538$8.23M0.01%−548,381−90.7%Reduced
M&G Plc57,399$8.32M0.05%+80.0%Added
Liontrust Investment Partners LLP57,461$8.36M0.12%+21,895+61.6%Added
AXA S.A.57,830$8.41M0.02%−19,040−24.8%Reduced
Standard Life Aberdeen plc59,211$8.61M0.01%+3,165+5.6%Added
Foyston, Gordon, & Payne Inc59,619$8.67M1.97%+3,853+6.9%Added
Parthenon LLC61,970$9.01M1.03%+61,970New
Palisade Capital Management LLC64,297$9.35M0.26%−1,483−2.3%Reduced
Eversept Partners, LP64,587$9.39M0.95%+53,747+495.8%Added
CI Private Wealth, LLC64,892$9.44M0.01%−17,925−21.6%Reduced
Distillate Capital Partners LLC65,201$9.48M0.51%−10,245−13.6%Reduced
Loomis Sayles & Co L P66,197$9.63M0.01%−3,248−4.7%Reduced
Motley Fool Wealth Management, LLC66,507$9.67M0.58%+7,778+13.2%Added
State of Michigan Retirement System69,670$10.1M0.05%00.0%Unchanged
Bank of Montreal69,893$10.2M0.01%+24,850+55.2%Added
Frontier Capital Management Co LLC71,360$10.4M0.10%+35,253+97.6%Added
Van Eck Associates Corp72,849$10.6M0.01%−1,732−2.3%Reduced
Brown Advisory Inc73,353$10.7M0.01%+17,717+31.8%Added
Thornburg Investment Management Inc74,636$10.9M0.14%−7,682−9.3%Reduced
Hound Partners, LLC75,000$10.9M1.47%+75,000New
Cambiar Investors LLC79,204$11.5M0.48%+18,329+30.1%Added
Foresight Group Ltd Liability Partnership80,202$11.7M1.68%−670−0.8%Reduced
New York State Common Retirement Fund80,260$11.7M0.02%−3,474−4.1%Reduced
Geode Capital Management, LLC84,370$12.3M0.00%+2,159+2.6%Added
Farmers & Merchants Investments Inc87,573$12.7M0.37%+2,181+2.6%Added
PFM Health Sciences, LP88,181$12.8M1.11%+47,143+114.9%Added
Kornitzer Capital Management Inc89,137$13.0M0.26%−10,490−10.5%Reduced
Sands Capital Management, LLC91,550$13.3M0.04%−2,774−2.9%Reduced
Fayez Sarofim & Co94,353$13.7M0.03%−291,283−75.5%Reduced
Boone Capital Management LLC95,832$13.9M5.98%+95,832New
Capital Research Global Investors97,083$14.1M0.00%−10,832−10.0%Reduced
Prosight Management, LP98,558$14.3M3.50%+38,459+64.0%Added
Walter Public Investments Inc.101,281$14.7M2.50%−1,116−1.1%Reduced
Ameriprise Financial Inc102,487$14.9M0.00%−138,189−57.4%Reduced
HRT Financial LP104,095$15.1M0.07%+96,060+1,195.5%Added
Running Oak Capital LLC107,218$15.6M1.73%+24,260+29.2%Added
Wells Fargo & Company110,857$16.1M0.00%−73,974−40.0%Reduced
FIL Ltd119,386$17.4M0.01%−539,888−81.9%Reduced
Amundi124,170$18.7M0.01%−7,228−5.5%Reduced
Two Sigma Investments, LP132,625$19.3M0.03%+132,625New
Cubist Systematic Strategies, LLC136,314$19.8M0.21%−26,127−16.1%Reduced
Grandeur Peak Global Advisors, LLC150,532$21.9M2.64%−88,510−37.0%Reduced
California Public Employees Retirement System155,062$22.6M0.01%+7,107+4.8%Added