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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
WCM Investment Management, LLC6,673,480$2.09B4.94%−44,333−0.7%Reduced
Massachusetts Financial Services Co5,003,492$1.57B0.48%−309,965−5.8%Reduced
Wellington Management Group LLP2,759,635$865.1M0.15%−457,807−14.2%Reduced
Ninety One UK Ltd2,678,340$839.6M2.32%+32,529+1.2%Added
Boston Partners2,619,383$822.6M1.02%−9,422−0.4%Reduced
Price T Rowe Associates Inc2,619,056$821.0M0.10%+875,373+50.2%Added
Lazard Asset Management LLC2,447,319$767.2M0.96%−147,240−5.7%Reduced
FMR LLC2,196,495$688.5M0.04%−105,815−4.6%Reduced
Capital Research Global Investors1,900,180$595.6M0.13%−300,237−13.6%Reduced
Invesco Ltd.1,807,197$566.5M0.12%−32,836−1.8%Reduced
Clearbridge Investments, LLC1,508,463$472.9M0.38%−166,264−9.9%Reduced
Alliancebernstein L.P.1,402,057$439.5M0.15%−72,553−4.9%Reduced
Citadel Advisors LLC1,360,207$426.4M0.42%+474,000+53.5%Added
Franklin Resources Inc1,330,881$417.2M0.13%−43,549−3.2%Reduced
Comgest Global Investors S.A.S.1,230,525$385.7M5.30%−210,793−14.6%Reduced
BlueSpruce Investments, LP1,208,163$378.7M6.96%−73,081−5.7%Reduced
Sustainable Growth Advisers, LP1,197,547$375.4M1.66%−17,265−1.4%Reduced
Janus Henderson Group PLC1,194,404$374.5M0.20%+17,655+1.5%Added
William Blair Investment Management, LLC1,158,537$363.2M0.95%+10,567+0.9%Added
BlackRock Inc.1,153,547$361.6M0.01%−710,536−38.1%Reduced
Bank of America Corp1,132,480$355.0M0.03%+232,301+25.8%Added
American Century Companies Inc1,130,488$354.4M0.22%+145,333+14.8%Added
Polen Capital Management LLC1,085,062$340.1M0.85%−13,157−1.2%Reduced
Victory Capital Management Inc1,070,951$335.7M0.34%+50,366+4.9%Added
Goldman Sachs Group Inc983,766$308.4M0.06%+292,523+42.3%Added
Bamco Inc971,926$304.7M0.87%+1,935+0.2%Added
Norges Bank969,886$304.0M0.05%+228,918+30.9%Added
JPMorgan Chase & Co877,829$275.2M0.02%−3,539−0.4%Reduced
Millennium Management LLC865,357$271.3M0.22%+262,081+43.4%Added
Neuberger Berman Group LLC762,580$239.0M0.20%−29,862−3.8%Reduced
FIL Ltd742,973$232.9M0.23%−68,753−8.5%Reduced
Bessemer Group Inc741,896$232.6M0.41%+4,661+0.6%Added
Trinity Street Asset Management LLP697,515$218.7M19.30%−38,870−5.3%Reduced
Northern Trust Corp694,183$217.6M0.04%+63,918+10.1%Added
AustralianSuper Pty Ltd608,717$190.8M1.10%+85,889+16.4%Added
Westfield Capital Management Co LP527,751$165.4M0.81%−9,132−1.7%Reduced
Earnest Partners LLC522,585$163.8M0.77%−12,276−2.3%Reduced
Envestnet Asset Management Inc522,207$163.7M0.06%+45,040+9.4%Added
Principal Financial Group Inc460,456$144.3M0.09%+14,982+3.4%Added
Stephens Investment Management Group LLC460,045$144.2M2.02%+10,842+2.4%Added
Point72 Asset Management, L.P.447,335$140.2M0.45%+347,227+346.9%Added
CCLA Investment Management Ltd444,954$139.5M2.15%−55,144−11.0%Reduced
American Capital Management Inc419,816$131.6M4.41%−19,937−4.5%Reduced
Mawer Investment Management Ltd.381,990$119.7M0.57%+381,990New
CIBC Private Wealth Group, LLC360,507$115.7M0.22%−89,792−19.9%Reduced
Junto Capital Management LP363,856$114.1M2.51%+158,650+77.3%Added
First Pacific Advisors, LP356,670$111.8M1.51%+6,051+1.7%Added
Baird Financial Group, Inc.306,989$96.2M0.20%−16,240−5.0%Reduced
State Street Corp289,426$90.7M0.00%−813,707−73.8%Reduced
Legal & General Group Plc286,190$89.7M0.03%+2,116+0.7%Added
Morgan Stanley263,272$82.5M0.01%−46,602−15.0%Reduced
Jane Street Group, LLC257,978$80.9M0.09%+243,545+1,687.4%Added
Ninety One North America, Inc.255,742$80.2M4.05%−13,701−5.1%Reduced
SEI Investments Co241,270$75.6M0.11%−11,614−4.6%Reduced
Vanguard Group Inc230,480$72.2M0.00%−66,265−22.3%Reduced
Renaissance Technologies LLC225,999$70.8M0.12%−45,059−16.6%Reduced
Artemis Investment Management LLP215,566$67.6M0.91%+11,718+5.7%Added
Citigroup Inc212,724$66.7M0.06%+121,725+133.8%Added
HRT Financial LP207,998$65.2M0.37%+207,998New
TD Asset Management Inc206,146$64.6M0.06%+7,093+3.6%Added
Ameriprise Financial Inc189,141$59.3M0.02%−25,498−11.9%Reduced
Qube Research & Technologies Ltd187,271$58.7M0.11%+177,592+1,834.8%Added
TimesSquare Capital Management, LLC185,642$58.2M0.91%−3,350−1.8%Reduced
Canada Pension Plan Investment Board181,833$57.0M0.06%00.0%Unchanged
Farallon Capital Management, L.L.C.178,200$55.9M0.33%−1,500−0.8%Reduced
Grandeur Peak Global Advisors, LLC176,108$55.2M4.41%+420+0.2%Added
CI Private Wealth, LLC175,274$54.9M0.10%+58,329+49.9%Added
Brown Capital Management LLC174,199$54.6M1.10%+164+0.1%Added
OrbiMed Advisors LLC174,100$54.6M1.16%00.0%Unchanged
Two Creeks Capital Management, LP171,815$53.9M3.35%−59,119−25.6%Reduced
Raymond James & Associates171,725$53.8M0.04%+8,936+5.5%Added
Wells Fargo & Company170,951$53.6M0.01%+40,623+31.2%Added
Axiom Investors LLC170,853$53.6M0.47%+18,587+12.2%Added
Macquarie Group Ltd170,585$53.5M0.06%+34,373+25.2%Added
State of Tennessee, Treasury Department162,087$50.8M0.19%+1,695+1.1%Added
California Public Employees Retirement System159,599$50.0M0.04%+8,688+5.8%Added
Clark Capital Management Group, Inc.155,919$48.9M0.36%+3,380+2.2%Added
Pertento Partners LLP155,187$48.6M6.16%+113,511+272.4%Added
Natixis Advisors, L.P.153,695$48.2M0.10%−93,029−37.7%Reduced
Eagle Health Investments LP149,590$46.9M8.38%00.0%Unchanged
HGK Asset Management Inc149,100$46.7M9.03%−5,420−3.5%Reduced
New York State Common Retirement Fund140,961$44.2M0.06%−38,678−21.5%Reduced
ExodusPoint Capital Management, LP140,906$44.2M0.48%+119,231+550.1%Added
Employees Retirement System of Texas140,000$43.9M0.41%00.0%Unchanged
Walleye Capital LLC135,577$42.5M0.45%+60,990+81.8%Added
Balyasny Asset Management LLC132,106$41.4M0.11%+70,174+113.3%Added
Standard Life Aberdeen plc126,697$39.7M0.08%−3,865−3.0%Reduced
Pensioenfonds Rail & Ov124,626$39.1M2.93%−2,388−1.9%Reduced
Thornburg Investment Management Inc122,650$38.5M0.54%+3,936+3.3%Added
Polar Capital Holdings Plc122,572$38.4M0.23%+25,482+26.2%Added
Bank of New York Mellon Corp120,629$37.8M0.01%−133,016−52.4%Reduced
Liontrust Investment Partners LLP119,728$37.5M0.53%+19,546+19.5%Added
Susquehanna International Group, LLP118,572$37.2M0.06%+93,612+375.0%Added
PFM Health Sciences, LP116,532$36.5M1.99%+806+0.7%Added
Renaissance Group LLC107,820$33.8M1.32%−15,515−12.6%Reduced
Mirabella Financial Services LLP104,229$32.7M2.38%+104,229New
Amundi102,472$32.6M0.01%−166,092−61.8%Reduced
Royal Bank of Canada100,779$31.6M0.01%−24,737−19.7%Reduced
Orbis Allan Gray Ltd99,094$31.1M0.19%+99,094New
LPL Financial LLC96,466$30.2M0.02%+5,421+6.0%Added