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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 2021

Institutional positions in Icon PLC as of Sep 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
510
+68 vs. Q2 2021
Shares held
73.5M
+14.0M (+23.4%) vs. Q2 2021
Total value
$19.3B
+$6.94B (+56.4%) vs. Q2 2021
New holders
122
209 more added
Sold out
54
113 more reduced

7 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 510 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 2021: $19.3B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Icon PLC; share changes are against Q2 2021.

Institutions holding ICLR in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Shaker Investments LLC11,384$2.98M1.32%+11,384New
Eagle Global Advisors LLC11,500$3.01M0.20%+1,400+13.9%Added
Bessemer Group Inc11,740$3.08M0.01%+5,664+93.2%Added
Shanda Asset Management Holdings Ltd12,300$3.22M0.61%−2,526−17.0%Reduced
DnB Asset Management AS12,554$3.29M0.02%−3,664−22.6%Reduced
Barclays PLC12,829$3.36M0.00%−10,587−45.2%Reduced
Mount Yale Investment Advisors, LLC12,951$3.39M0.39%+6,090+88.8%Added
Colony Group LLC13,086$3.43M0.07%−123−0.9%Reduced
Castleark Management LLC13,245$3.47M0.13%−1,180−8.2%Reduced
CastleArk Alternatives, LLC13,245$3.47M0.13%+13,245New
Pittenger & Anderson Inc13,252$3.47M0.17%+8,387+172.4%Added
Distillate Capital Partners LLC13,302$3.48M0.93%+13,302New
Seascape Capital Management13,561$3.55M1.82%+1,216+9.9%Added
Man Group plc13,769$3.61M0.01%−5,884−29.9%Reduced
Amica Mutual Insurance Co13,789$3.61M0.38%00.0%Unchanged
Credit Suisse AG14,749$3.86M0.00%––
Guggenheim Capital LLC14,855$3.89M0.02%+14,855New
Fisher Asset Management, LLC15,444$4.05M0.00%−20.0%Reduced
Janney Montgomery Scott LLC15,682$4.11M0.02%+9,452+151.7%Added
First Trust Advisors LP15,747$4.13M0.00%−96−0.6%Reduced
Vident Investment Advisory, LLC15,857$4.15M0.13%+15,857New
Papp L Roy & Associates16,019$4.20M0.53%+16,019New
Credit Agricole S A16,156$4.23M0.15%−4,806−22.9%Reduced
AMP Capital Investors Ltd16,260$4.26M0.02%+1,582+10.8%Added
MML Investors Services, LLC16,422$4.30M0.03%+4,848+41.9%Added
Westpac Banking Corp16,815$4.41M0.05%−864−4.9%Reduced
Raymond James Financial Services Advisors, Inc.17,047$4.47M0.01%−676−3.8%Reduced
PEAK6 Investments LLC17,381$4.55M0.09%+9,447+119.1%Added
Eqis Capital Management, Inc.17,582$4.61M0.35%−331−1.8%Reduced
Sustainable Growth Advisers, LP17,708$4.64M0.02%+17,708New
Gateway Investment Advisers LLC17,897$4.69M0.05%+17,897New
TD Private Client Wealth LLC17,946$4.70M0.20%+1,972+12.3%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main17,819$4.71M0.01%+17,819New
FDx Advisors, Inc.18,871$4.95M0.16%+3,048+19.3%Added
Employees Retirement System of Texas19,045$4.99M0.06%00.0%Unchanged
PDT Partners, LLC19,576$5.13M0.37%−6,541−25.0%Reduced
Welch & Forbes LLC19,690$5.16M0.09%00.0%Unchanged
Charles Schwab Investment Management Inc19,742$5.17M0.00%+1,639+9.1%Added
Pictet Asset Management SA19,851$5.25M0.01%+19,851New
UBS Group AG20,207$5.29M0.00%−3,872−16.1%Reduced
Churchill Management Corp20,513$5.38M0.08%+20,513New
TownSquare Capital, LLC21,050$5.52M0.16%+7,603+56.5%Added
Fundsmith Investment Services Ltd.22,275$5.84M3.55%00.0%Unchanged
Meritage Portfolio Management23,047$6.04M0.36%+767+3.4%Added
Westover Capital Advisors, LLC23,105$6.05M1.89%−161−0.7%Reduced
HighTower Advisors, LLC23,782$6.23M0.02%+9,006+61.0%Added
Brinker Capital Investments, LLC30,539$6.31M0.10%00.0%Unchanged
Boothbay Fund Management, LLC24,100$6.32M0.25%−15,757−39.5%Reduced
Amundi25,364$6.65M0.00%+690+2.8%Added
US Bancorp25,752$6.75M0.01%+8,329+47.8%Added
Rice Hall James & Associates, LLC28,148$7.38M0.27%−1,659−5.6%Reduced
Marks Group Wealth Management, Inc28,175$7.39M1.00%+1,191+4.4%Added
Blair William & Co28,283$7.41M0.03%+21,968+347.9%Added
Captrust Financial Advisors29,027$7.61M0.06%+4,805+19.8%Added
Fred Alger Management, LLC29,068$7.62M0.02%+29,068New
Advisors Asset Management, Inc.29,176$7.64M0.12%−623−2.1%Reduced
Retirement Systems of Alabama31,900$8.36M0.03%+31,900New
Burney Co32,649$8.55M0.40%+18,326+127.9%Added
Cubist Systematic Strategies, LLC32,950$8.63M0.11%−43,650−57.0%Reduced
M&T Bank Corp33,001$8.65M0.04%+14,022+73.9%Added
Henry James International Management, Inc.33,444$8.76M2.76%+53+0.2%Added
State of Michigan Retirement System33,470$8.77M0.05%00.0%Unchanged
Bell Asset Management Ltd34,577$9.06M1.55%−10,256−22.9%Reduced
GAM Holding AG34,627$9.07M0.42%−1,113−3.1%Reduced
Citigroup Inc34,870$9.14M0.01%−55,971−61.6%Reduced
Quadrature Capital Ltd35,314$9.27M0.34%+35,314New
Renaissance Group LLC36,201$9.48M0.41%−13,895−27.7%Reduced
Equitable Trust Co36,680$9.61M0.61%+20,142+121.8%Added
Oppenheimer Asset Management Inc.37,375$9.79M0.14%+17,073+84.1%Added
JLB & Associates Inc37,628$9.86M1.57%+551+1.5%Added
Balyasny Asset Management LLC37,785$9.90M0.05%+36,565+2,997.1%Added
Advisor Group Holdings, Inc.38,509$10.1M0.02%+18,477+92.2%Added
UBS Asset Management Americas Inc40,097$10.5M0.00%−21,561−35.0%Reduced
Azimuth Capital Management LLC41,031$10.8M0.46%+20,655+101.4%Added
D. E. Shaw & Co., Inc.42,377$11.1M0.01%−271,664−86.5%Reduced
Bishop Rock Capital, L.P.43,287$11.3M3.67%+13,255+44.1%Added
United Capital Financial Advisers, LLC44,295$11.6M0.06%−373−0.8%Reduced
LPL Financial LLC44,797$11.7M0.01%+8,735+24.2%Added
Brookfield Asset Management Inc.45,845$12.0M0.05%+45,845New
Truist Financial Corp46,382$12.2M0.02%+3,180+7.4%Added
Endurant Capital Management LP46,720$12.2M3.72%−32,695−41.2%Reduced
Sectoral Asset Management Inc46,850$12.3M1.02%+18,100+63.0%Added
FineMark National Bank & Trust47,393$12.4M0.53%+1,606+3.5%Added
Susquehanna Fundamental Investments, LLC49,205$12.9M0.24%+29,236+146.4%Added
Dimensional Fund Advisors LP49,845$13.1M0.00%+49,845New
Brant Point Investment Management LLC50,161$13.1M2.43%−3,174−6.0%Reduced
Ativo Capital Management LLC50,472$13.2M6.20%+720+1.4%Added
Vanguard Group Inc51,267$13.4M0.00%+19,426+61.0%Added
Farmers & Merchants Investments Inc52,413$13.7M0.58%−79−0.2%Reduced
Todd Asset Management LLC52,527$13.8M0.32%−49,864−48.7%Reduced
Globeflex Capital L P53,084$13.9M3.04%−12,526−19.1%Reduced
LVM Capital Management Ltd53,507$14.0M2.11%−3,697−6.5%Reduced
Teachers Retirement System of the State of Kentucky53,748$14.1M0.13%−16,183−23.1%Reduced
Canada Pension Plan Investment Board54,952$14.4M0.02%−12,300−18.3%Reduced
Silvercrest Asset Management Group LLC55,490$14.5M0.10%+13,657+32.6%Added
Susquehanna International Group, LLP56,031$14.7M0.02%+56,031New
Avalon Investment & Advisory56,365$14.8M0.34%−103−0.2%Reduced
First Republic Investment Management, Inc.60,366$15.8M0.04%+13,480+28.8%Added
Hantz Financial Services, Inc.60,710$15.9M0.52%+6,439+11.9%Added
Comerica Bank59,088$16.4M0.10%+3,318+5.9%Added